hotspot/src/share/vm/runtime/globals.hpp
author kvn
Thu, 21 Nov 2013 12:30:35 -0800
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parent 21582 6c76cdd733fe
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permissions -rw-r--r--
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/*
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 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_RUNTIME_GLOBALS_HPP
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#define SHARE_VM_RUNTIME_GLOBALS_HPP
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#include "utilities/debug.hpp"
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// use this for flags that are true per default in the tiered build
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// but false in non-tiered builds, and vice versa
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#ifdef TIERED
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#define  trueInTiered true
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#define falseInTiered false
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#else
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#define  trueInTiered false
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#define falseInTiered true
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#endif
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#ifdef TARGET_ARCH_x86
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# include "globals_x86.hpp"
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#endif
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#ifdef TARGET_ARCH_sparc
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# include "globals_sparc.hpp"
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#endif
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#ifdef TARGET_ARCH_zero
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# include "globals_zero.hpp"
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#endif
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#ifdef TARGET_ARCH_arm
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# include "globals_arm.hpp"
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#endif
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#ifdef TARGET_ARCH_ppc
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# include "globals_ppc.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_linux
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# include "globals_linux.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_solaris
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# include "globals_solaris.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_windows
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# include "globals_windows.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_aix
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# include "globals_aix.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_bsd
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# include "globals_bsd.hpp"
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#endif
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#ifdef TARGET_OS_ARCH_linux_x86
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# include "globals_linux_x86.hpp"
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#endif
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#ifdef TARGET_OS_ARCH_linux_sparc
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# include "globals_linux_sparc.hpp"
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#endif
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#ifdef TARGET_OS_ARCH_linux_zero
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# include "globals_linux_zero.hpp"
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#endif
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#ifdef TARGET_OS_ARCH_solaris_x86
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# include "globals_solaris_x86.hpp"
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#endif
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#ifdef TARGET_OS_ARCH_solaris_sparc
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# include "globals_solaris_sparc.hpp"
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#endif
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#ifdef TARGET_OS_ARCH_windows_x86
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# include "globals_windows_x86.hpp"
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#endif
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#ifdef TARGET_OS_ARCH_linux_arm
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# include "globals_linux_arm.hpp"
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#endif
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#ifdef TARGET_OS_ARCH_linux_ppc
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# include "globals_linux_ppc.hpp"
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#endif
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#ifdef TARGET_OS_ARCH_aix_ppc
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# include "globals_aix_ppc.hpp"
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#endif
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#ifdef TARGET_OS_ARCH_bsd_x86
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# include "globals_bsd_x86.hpp"
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#endif
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#ifdef TARGET_OS_ARCH_bsd_zero
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# include "globals_bsd_zero.hpp"
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#endif
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#ifdef COMPILER1
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#ifdef TARGET_ARCH_x86
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# include "c1_globals_x86.hpp"
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#endif
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#ifdef TARGET_ARCH_sparc
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# include "c1_globals_sparc.hpp"
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#endif
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#ifdef TARGET_ARCH_arm
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# include "c1_globals_arm.hpp"
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#endif
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#ifdef TARGET_ARCH_ppc
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# include "c1_globals_ppc.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_linux
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# include "c1_globals_linux.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_solaris
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# include "c1_globals_solaris.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_windows
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# include "c1_globals_windows.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_aix
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# include "c1_globals_aix.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_bsd
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# include "c1_globals_bsd.hpp"
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#endif
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#endif
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#ifdef COMPILER2
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#ifdef TARGET_ARCH_x86
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# include "c2_globals_x86.hpp"
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#endif
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#ifdef TARGET_ARCH_sparc
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# include "c2_globals_sparc.hpp"
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#endif
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#ifdef TARGET_ARCH_arm
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# include "c2_globals_arm.hpp"
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#endif
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#ifdef TARGET_ARCH_ppc
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# include "c2_globals_ppc.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_linux
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# include "c2_globals_linux.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_solaris
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# include "c2_globals_solaris.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_windows
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# include "c2_globals_windows.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_aix
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# include "c2_globals_aix.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_bsd
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# include "c2_globals_bsd.hpp"
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#endif
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#endif
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#ifdef SHARK
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#ifdef TARGET_ARCH_zero
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# include "shark_globals_zero.hpp"
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#endif
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#endif
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#if !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK)
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define_pd_global(bool, BackgroundCompilation,        false);
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define_pd_global(bool, UseTLAB,                      false);
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define_pd_global(bool, CICompileOSR,                 false);
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define_pd_global(bool, UseTypeProfile,               false);
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define_pd_global(bool, UseOnStackReplacement,        false);
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define_pd_global(bool, InlineIntrinsics,             false);
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define_pd_global(bool, PreferInterpreterNativeStubs, true);
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define_pd_global(bool, ProfileInterpreter,           false);
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define_pd_global(bool, ProfileTraps,                 false);
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define_pd_global(bool, TieredCompilation,            false);
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define_pd_global(intx, CompileThreshold,             0);
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define_pd_global(intx, BackEdgeThreshold,            0);
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define_pd_global(intx, OnStackReplacePercentage,     0);
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define_pd_global(bool, ResizeTLAB,                   false);
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define_pd_global(intx, FreqInlineSize,               0);
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define_pd_global(intx, NewSizeThreadIncrease,        4*K);
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define_pd_global(intx, InlineClassNatives,           true);
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define_pd_global(intx, InlineUnsafeOps,              true);
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define_pd_global(intx, InitialCodeCacheSize,         160*K);
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define_pd_global(intx, ReservedCodeCacheSize,        32*M);
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define_pd_global(intx, CodeCacheExpansionSize,       32*K);
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define_pd_global(intx, CodeCacheMinBlockLength,      1);
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define_pd_global(intx, CodeCacheMinimumUseSpace,     200*K);
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define_pd_global(uintx,MetaspaceSize,    ScaleForWordSize(4*M));
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define_pd_global(bool, NeverActAsServerClassMachine, true);
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define_pd_global(uint64_t,MaxRAM,                    1ULL*G);
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#define CI_COMPILER_COUNT 0
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#else
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#ifdef COMPILER2
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#define CI_COMPILER_COUNT 2
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#else
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#define CI_COMPILER_COUNT 1
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#endif // COMPILER2
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#endif // no compilers
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// string type aliases used only in this file
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typedef const char* ccstr;
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typedef const char* ccstrlist;   // represents string arguments which accumulate
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struct Flag {
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  enum Flags {
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    // value origin
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    DEFAULT          = 0,
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    COMMAND_LINE     = 1,
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    ENVIRON_VAR      = 2,
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    CONFIG_FILE      = 3,
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    MANAGEMENT       = 4,
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    ERGONOMIC        = 5,
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    ATTACH_ON_DEMAND = 6,
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    INTERNAL         = 7,
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    LAST_VALUE_ORIGIN = INTERNAL,
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    VALUE_ORIGIN_BITS = 4,
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    VALUE_ORIGIN_MASK = right_n_bits(VALUE_ORIGIN_BITS),
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    // flag kind
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    KIND_PRODUCT            = 1 << 4,
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    KIND_MANAGEABLE         = 1 << 5,
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    KIND_DIAGNOSTIC         = 1 << 6,
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    KIND_EXPERIMENTAL       = 1 << 7,
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    KIND_NOT_PRODUCT        = 1 << 8,
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    KIND_DEVELOP            = 1 << 9,
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    KIND_PLATFORM_DEPENDENT = 1 << 10,
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    KIND_READ_WRITE         = 1 << 11,
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    KIND_C1                 = 1 << 12,
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    KIND_C2                 = 1 << 13,
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    KIND_ARCH               = 1 << 14,
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    KIND_SHARK              = 1 << 15,
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    KIND_LP64_PRODUCT       = 1 << 16,
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    KIND_COMMERCIAL         = 1 << 17,
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    KIND_MASK = ~VALUE_ORIGIN_MASK
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  };
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  const char* _type;
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  const char* _name;
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  void* _addr;
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  NOT_PRODUCT(const char* _doc;)
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  Flags _flags;
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  // points to all Flags static array
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  static Flag* flags;
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  // number of flags
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  static size_t numFlags;
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  static Flag* find_flag(const char* name, size_t length, bool allow_locked = false);
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  static Flag* fuzzy_match(const char* name, size_t length, bool allow_locked = false);
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  void check_writable();
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  bool is_bool() const;
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  bool get_bool() const;
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  void set_bool(bool value);
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  bool is_intx() const;
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  intx get_intx() const;
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  void set_intx(intx value);
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  bool is_uintx() const;
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  uintx get_uintx() const;
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  void set_uintx(uintx value);
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  bool is_uint64_t() const;
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  uint64_t get_uint64_t() const;
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  void set_uint64_t(uint64_t value);
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  bool is_double() const;
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  double get_double() const;
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  void set_double(double value);
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  bool is_ccstr() const;
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  bool ccstr_accumulates() const;
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  ccstr get_ccstr() const;
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  void set_ccstr(ccstr value);
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  Flags get_origin();
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  void set_origin(Flags origin);
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  bool is_default();
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  bool is_ergonomic();
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  bool is_command_line();
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  bool is_product() const;
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  bool is_manageable() const;
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  bool is_diagnostic() const;
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  bool is_experimental() const;
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  bool is_notproduct() const;
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  bool is_develop() const;
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  bool is_read_write() const;
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  bool is_commercial() const;
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  bool is_constant_in_binary() const;
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  bool is_unlocker() const;
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  bool is_unlocked() const;
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  bool is_writeable() const;
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  bool is_external() const;
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  bool is_unlocker_ext() const;
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  bool is_unlocked_ext() const;
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  bool is_writeable_ext() const;
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  bool is_external_ext() const;
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  void get_locked_message(char*, int) const;
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  void get_locked_message_ext(char*, int) const;
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  void print_on(outputStream* st, bool withComments = false );
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  void print_kind(outputStream* st);
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  void print_as_flag(outputStream* st);
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};
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// debug flags control various aspects of the VM and are global accessible
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// use FlagSetting to temporarily change some debug flag
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// e.g. FlagSetting fs(DebugThisAndThat, true);
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// restored to previous value upon leaving scope
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class FlagSetting {
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  bool val;
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  bool* flag;
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 public:
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  FlagSetting(bool& fl, bool newValue) { flag = &fl; val = fl; fl = newValue; }
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  ~FlagSetting()                       { *flag = val; }
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};
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class CounterSetting {
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  intx* counter;
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 public:
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  CounterSetting(intx* cnt) { counter = cnt; (*counter)++; }
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  ~CounterSetting()         { (*counter)--; }
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};
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class UIntFlagSetting {
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  uintx val;
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  uintx* flag;
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 public:
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  UIntFlagSetting(uintx& fl, uintx newValue) { flag = &fl; val = fl; fl = newValue; }
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  ~UIntFlagSetting()                         { *flag = val; }
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};
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class DoubleFlagSetting {
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  double val;
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  double* flag;
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 public:
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  DoubleFlagSetting(double& fl, double newValue) { flag = &fl; val = fl; fl = newValue; }
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  ~DoubleFlagSetting()                           { *flag = val; }
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};
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class CommandLineFlags {
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 public:
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  static bool boolAt(char* name, size_t len, bool* value);
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  static bool boolAt(char* name, bool* value)      { return boolAt(name, strlen(name), value); }
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  static bool boolAtPut(char* name, size_t len, bool* value, Flag::Flags origin);
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  static bool boolAtPut(char* name, bool* value, Flag::Flags origin)   { return boolAtPut(name, strlen(name), value, origin); }
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  static bool intxAt(char* name, size_t len, intx* value);
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  static bool intxAt(char* name, intx* value)      { return intxAt(name, strlen(name), value); }
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  static bool intxAtPut(char* name, size_t len, intx* value, Flag::Flags origin);
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  static bool intxAtPut(char* name, intx* value, Flag::Flags origin)   { return intxAtPut(name, strlen(name), value, origin); }
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  static bool uintxAt(char* name, size_t len, uintx* value);
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  static bool uintxAt(char* name, uintx* value)    { return uintxAt(name, strlen(name), value); }
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  static bool uintxAtPut(char* name, size_t len, uintx* value, Flag::Flags origin);
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  static bool uintxAtPut(char* name, uintx* value, Flag::Flags origin) { return uintxAtPut(name, strlen(name), value, origin); }
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  static bool uint64_tAt(char* name, size_t len, uint64_t* value);
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  static bool uint64_tAt(char* name, uint64_t* value) { return uint64_tAt(name, strlen(name), value); }
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   383
  static bool uint64_tAtPut(char* name, size_t len, uint64_t* value, Flag::Flags origin);
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   384
  static bool uint64_tAtPut(char* name, uint64_t* value, Flag::Flags origin) { return uint64_tAtPut(name, strlen(name), value, origin); }
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   385
1
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  static bool doubleAt(char* name, size_t len, double* value);
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   387
  static bool doubleAt(char* name, double* value)    { return doubleAt(name, strlen(name), value); }
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  static bool doubleAtPut(char* name, size_t len, double* value, Flag::Flags origin);
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  static bool doubleAtPut(char* name, double* value, Flag::Flags origin) { return doubleAtPut(name, strlen(name), value, origin); }
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   390
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   391
  static bool ccstrAt(char* name, size_t len, ccstr* value);
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   392
  static bool ccstrAt(char* name, ccstr* value)    { return ccstrAt(name, strlen(name), value); }
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   393
  static bool ccstrAtPut(char* name, size_t len, ccstr* value, Flag::Flags origin);
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   394
  static bool ccstrAtPut(char* name, ccstr* value, Flag::Flags origin) { return ccstrAtPut(name, strlen(name), value, origin); }
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   395
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   396
  // Returns false if name is not a command line flag.
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   397
  static bool wasSetOnCmdline(const char* name, bool* value);
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   398
  static void printSetFlags(outputStream* out);
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   399
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   400
  static void printFlags(outputStream* out, bool withComments);
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   401
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   402
  static void verify() PRODUCT_RETURN;
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   403
};
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   404
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   405
// use this for flags that are true by default in the debug version but
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   406
// false in the optimized version, and vice versa
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   407
#ifdef ASSERT
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   408
#define trueInDebug  true
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   409
#define falseInDebug false
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   410
#else
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   411
#define trueInDebug  false
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   412
#define falseInDebug true
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   413
#endif
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   414
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parents:
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   415
// use this for flags that are true per default in the product build
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   416
// but false in development builds, and vice versa
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   417
#ifdef PRODUCT
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   418
#define trueInProduct  true
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   419
#define falseInProduct false
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   420
#else
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   421
#define trueInProduct  false
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   422
#define falseInProduct true
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   423
#endif
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   424
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diff changeset
   425
#ifdef JAVASE_EMBEDDED
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   426
#define falseInEmbedded false
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diff changeset
   427
#else
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   428
#define falseInEmbedded true
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diff changeset
   429
#endif
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diff changeset
   430
1
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   431
// develop flags are settable / visible only during development and are constant in the PRODUCT version
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diff changeset
   432
// product flags are always settable / visible
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parents:
diff changeset
   433
// notproduct flags are settable / visible only during development and are not declared in the PRODUCT version
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   434
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parents:
diff changeset
   435
// A flag must be declared with one of the following types:
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diff changeset
   436
// bool, intx, uintx, ccstr.
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parents:
diff changeset
   437
// The type "ccstr" is an alias for "const char*" and is used
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parents:
diff changeset
   438
// only in this file, because the macrology requires single-token type names.
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parents:
diff changeset
   439
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parents:
diff changeset
   440
// Note: Diagnostic options not meant for VM tuning or for product modes.
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parents:
diff changeset
   441
// They are to be used for VM quality assurance or field diagnosis
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parents:
diff changeset
   442
// of VM bugs.  They are hidden so that users will not be encouraged to
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parents:
diff changeset
   443
// try them as if they were VM ordinary execution options.  However, they
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parents:
diff changeset
   444
// are available in the product version of the VM.  Under instruction
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diff changeset
   445
// from support engineers, VM customers can turn them on to collect
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diff changeset
   446
// diagnostic information about VM problems.  To use a VM diagnostic
489c9b5090e2 Initial load
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parents:
diff changeset
   447
// option, you must first specify +UnlockDiagnosticVMOptions.
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parents:
diff changeset
   448
// (This master switch also affects the behavior of -Xprintflags.)
1382
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
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diff changeset
   449
//
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
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diff changeset
   450
// experimental flags are in support of features that are not
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ysr
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diff changeset
   451
//    part of the officially supported product, but are available
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
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diff changeset
   452
//    for experimenting with. They could, for example, be performance
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
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diff changeset
   453
//    features that may not have undergone full or rigorous QA, but which may
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents: 1380
diff changeset
   454
//    help performance in some cases and released for experimentation
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents: 1380
diff changeset
   455
//    by the community of users and developers. This flag also allows one to
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents: 1380
diff changeset
   456
//    be able to build a fully supported product that nonetheless also
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents: 1380
diff changeset
   457
//    ships with some unsupported, lightly tested, experimental features.
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents: 1380
diff changeset
   458
//    Like the UnlockDiagnosticVMOptions flag above, there is a corresponding
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents: 1380
diff changeset
   459
//    UnlockExperimentalVMOptions flag, which allows the control and
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents: 1380
diff changeset
   460
//    modification of the experimental flags.
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
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diff changeset
   461
//
6763
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ysr
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diff changeset
   462
// Nota bene: neither diagnostic nor experimental options should be used casually,
711b8a44c4dd 6692906: CMS: parallel concurrent marking may be prone to hanging or stalling mutators for periods of time
ysr
parents: 6762
diff changeset
   463
//    and they are not supported on production loads, except under explicit
711b8a44c4dd 6692906: CMS: parallel concurrent marking may be prone to hanging or stalling mutators for periods of time
ysr
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diff changeset
   464
//    direction from support engineers.
711b8a44c4dd 6692906: CMS: parallel concurrent marking may be prone to hanging or stalling mutators for periods of time
ysr
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diff changeset
   465
//
1
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parents:
diff changeset
   466
// manageable flags are writeable external product flags.
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parents:
diff changeset
   467
//    They are dynamically writeable through the JDK management interface
489c9b5090e2 Initial load
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parents:
diff changeset
   468
//    (com.sun.management.HotSpotDiagnosticMXBean API) and also through JConsole.
489c9b5090e2 Initial load
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parents:
diff changeset
   469
//    These flags are external exported interface (see CCC).  The list of
489c9b5090e2 Initial load
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parents:
diff changeset
   470
//    manageable flags can be queried programmatically through the management
489c9b5090e2 Initial load
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parents:
diff changeset
   471
//    interface.
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duke
parents:
diff changeset
   472
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   473
//    A flag can be made as "manageable" only if
489c9b5090e2 Initial load
duke
parents:
diff changeset
   474
//    - the flag is defined in a CCC as an external exported interface.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   475
//    - the VM implementation supports dynamic setting of the flag.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
//      This implies that the VM must *always* query the flag variable
489c9b5090e2 Initial load
duke
parents:
diff changeset
   477
//      and not reuse state related to the flag state at any given time.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   478
//    - you want the flag to be queried programmatically by the customers.
489c9b5090e2 Initial load
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parents:
diff changeset
   479
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   480
// product_rw flags are writeable internal product flags.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
//    They are like "manageable" flags but for internal/private use.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
//    The list of product_rw flags are internal/private flags which
489c9b5090e2 Initial load
duke
parents:
diff changeset
   483
//    may be changed/removed in a future release.  It can be set
489c9b5090e2 Initial load
duke
parents:
diff changeset
   484
//    through the management interface to get/set value
489c9b5090e2 Initial load
duke
parents:
diff changeset
   485
//    when the name of flag is supplied.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   486
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   487
//    A flag can be made as "product_rw" only if
489c9b5090e2 Initial load
duke
parents:
diff changeset
   488
//    - the VM implementation supports dynamic setting of the flag.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   489
//      This implies that the VM must *always* query the flag variable
489c9b5090e2 Initial load
duke
parents:
diff changeset
   490
//      and not reuse state related to the flag state at any given time.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   491
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   492
// Note that when there is a need to support develop flags to be writeable,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
// it can be done in the same way as product_rw.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   494
1382
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents: 1380
diff changeset
   495
#define RUNTIME_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, manageable, product_rw, lp64_product) \
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 356
diff changeset
   496
                                                                            \
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 356
diff changeset
   497
  lp64_product(bool, UseCompressedOops, false,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   498
          "Use 32-bit object references in 64-bit VM. "                     \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   499
          "lp64_product means flag is always constant in 32 bit VM")        \
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
   500
                                                                            \
19979
ebe1dbb6e1aa 8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents: 19704
diff changeset
   501
  lp64_product(bool, UseCompressedClassPointers, false,                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   502
          "Use 32-bit class pointers in 64-bit VM. "                        \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   503
          "lp64_product means flag is always constant in 32 bit VM")        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   504
                                                                            \
2254
f13dda645a4b 6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents: 2141
diff changeset
   505
  notproduct(bool, CheckCompressedOops, true,                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   506
          "Generate checks in encoding/decoding code in debug VM")          \
2254
f13dda645a4b 6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents: 2141
diff changeset
   507
                                                                            \
f13dda645a4b 6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents: 2141
diff changeset
   508
  product_pd(uintx, HeapBaseMinAddress,                                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   509
          "OS specific low limit for heap base address")                    \
2254
f13dda645a4b 6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents: 2141
diff changeset
   510
                                                                            \
f13dda645a4b 6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents: 2141
diff changeset
   511
  diagnostic(bool, PrintCompressedOopsMode, false,                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   512
          "Print compressed oops base address and encoding mode")           \
1129
ec4dfac10759 6741004: UseLargePages + UseCompressedOops breaks implicit null checking guard page
coleenp
parents: 1062
diff changeset
   513
                                                                            \
5694
1e0532a6abff 6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents: 5539
diff changeset
   514
  lp64_product(intx, ObjectAlignmentInBytes, 8,                             \
1e0532a6abff 6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents: 5539
diff changeset
   515
          "Default object alignment in bytes, 8 is minimum")                \
1e0532a6abff 6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents: 5539
diff changeset
   516
                                                                            \
16596
905d4419a089 2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents: 16445
diff changeset
   517
  product(bool, AssumeMP, false,                                            \
905d4419a089 2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents: 16445
diff changeset
   518
          "Instruct the VM to assume multiple processors are available")    \
905d4419a089 2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents: 16445
diff changeset
   519
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   520
  /* UseMembar is theoretically a temp flag used for memory barrier         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   521
   * removal testing.  It was supposed to be removed before FCS but has     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   522
   * been re-added (see 6401008) */                                         \
6965
4ef36b2a6a3a 6989297: Integrate additional portability improvements
bobv
parents: 6466
diff changeset
   523
  product_pd(bool, UseMembar,                                               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   524
          "(Unstable) Issues membars on thread state transitions")          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   525
                                                                            \
8107
78e5bd944384 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 8076
diff changeset
   526
  /* Temp PPC Flag to allow disabling the use of lwsync on ppc platforms    \
78e5bd944384 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 8076
diff changeset
   527
   * that don't support it.  This will be replaced by processor detection   \
78e5bd944384 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 8076
diff changeset
   528
   * logic.                                                                 \
78e5bd944384 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 8076
diff changeset
   529
   */                                                                       \
78e5bd944384 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 8076
diff changeset
   530
  product(bool, UsePPCLWSYNC, true,                                         \
78e5bd944384 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 8076
diff changeset
   531
          "Use lwsync instruction if true, else use slower sync")           \
78e5bd944384 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 8076
diff changeset
   532
                                                                            \
10022
377345fb5fb5 7061204: clean the chunk table synchronously in embedded builds
jcoomes
parents: 10020
diff changeset
   533
  develop(bool, CleanChunkPoolAsync, falseInEmbedded,                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   534
          "Clean the chunk pool asynchronously")                            \
10022
377345fb5fb5 7061204: clean the chunk table synchronously in embedded builds
jcoomes
parents: 10020
diff changeset
   535
                                                                            \
13925
37f75ba502b1 8000351: Tenuring threshold should be unsigned
jwilhelm
parents: 13924
diff changeset
   536
  /* Temporary: See 6948537 */                                              \
5431
5c4054a50dbb 6948537: CMS: BOT walkers observe out-of-thin-air zeros on sun4v sparc/CMT
ysr
parents: 5403
diff changeset
   537
  experimental(bool, UseMemSetInBOT, true,                                  \
5c4054a50dbb 6948537: CMS: BOT walkers observe out-of-thin-air zeros on sun4v sparc/CMT
ysr
parents: 5403
diff changeset
   538
          "(Unstable) uses memset in BOT updates in GC code")               \
5c4054a50dbb 6948537: CMS: BOT walkers observe out-of-thin-air zeros on sun4v sparc/CMT
ysr
parents: 5403
diff changeset
   539
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   540
  diagnostic(bool, UnlockDiagnosticVMOptions, trueInDebug,                  \
1382
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents: 1380
diff changeset
   541
          "Enable normal processing of flags relating to field diagnostics")\
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents: 1380
diff changeset
   542
                                                                            \
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents: 1380
diff changeset
   543
  experimental(bool, UnlockExperimentalVMOptions, false,                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   544
          "Enable normal processing of flags relating to experimental "     \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   545
          "features")                                                       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   546
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   547
  product(bool, JavaMonitorsInStackTrace, true,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   548
          "Print information about Java monitor locks when the stacks are"  \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   549
          "dumped")                                                         \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   550
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   551
  product_pd(bool, UseLargePages,                                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   552
          "Use large page memory")                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   553
                                                                            \
1421
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1409
diff changeset
   554
  product_pd(bool, UseLargePagesIndividualAllocation,                       \
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1409
diff changeset
   555
          "Allocate large pages individually for better affinity")          \
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1409
diff changeset
   556
                                                                            \
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1409
diff changeset
   557
  develop(bool, LargePagesIndividualAllocationInjectError, false,           \
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1409
diff changeset
   558
          "Fail large pages individual allocation")                         \
a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity
jmasa
parents: 1409
diff changeset
   559
                                                                            \
20406
934f0b12daa9 8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents: 20404
diff changeset
   560
  product(bool, UseLargePagesInMetaspace, false,                            \
934f0b12daa9 8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents: 20404
diff changeset
   561
          "Use large page memory in metaspace. "                            \
934f0b12daa9 8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents: 20404
diff changeset
   562
          "Only used if UseLargePages is enabled.")                         \
934f0b12daa9 8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents: 20404
diff changeset
   563
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   564
  develop(bool, TracePageSizes, false,                                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   565
          "Trace page size selection and usage")                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   566
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   567
  product(bool, UseNUMA, false,                                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   568
          "Use NUMA if available")                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   569
                                                                            \
10494
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10267
diff changeset
   570
  product(bool, UseNUMAInterleaving, false,                                 \
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10267
diff changeset
   571
          "Interleave memory across NUMA nodes if available")               \
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10267
diff changeset
   572
                                                                            \
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10267
diff changeset
   573
  product(uintx, NUMAInterleaveGranularity, 2*M,                            \
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10267
diff changeset
   574
          "Granularity to use for NUMA interleaving on Windows OS")         \
3f347ed8bd3c 7082969: NUMA interleaving
iveresov
parents: 10267
diff changeset
   575
                                                                            \
1615
b46d9f19bde2 6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents: 1608
diff changeset
   576
  product(bool, ForceNUMA, false,                                           \
b46d9f19bde2 6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents: 1608
diff changeset
   577
          "Force NUMA optimizations on single-node/UMA systems")            \
b46d9f19bde2 6779436: NUMA allocator: libnuma expects certain size of the buffer in numa_node_to_cpus()
iveresov
parents: 1608
diff changeset
   578
                                                                            \
17392
2f967c0e4246 6843347: Boundary values in some public GC options cause crashes
tschatzl
parents: 17322
diff changeset
   579
  product(uintx, NUMAChunkResizeWeight, 20,                                 \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   580
          "Percentage (0-100) used to weigh the current sample when "       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   581
          "computing exponentially decaying average for "                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   582
          "AdaptiveNUMAChunkSizing")                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   583
                                                                            \
17392
2f967c0e4246 6843347: Boundary values in some public GC options cause crashes
tschatzl
parents: 17322
diff changeset
   584
  product(uintx, NUMASpaceResizeRate, 1*G,                                  \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   585
          "Do not reallocate more than this amount per collection")         \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   586
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   587
  product(bool, UseAdaptiveNUMAChunkSizing, true,                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   588
          "Enable adaptive chunk sizing for NUMA")                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   589
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   590
  product(bool, NUMAStats, false,                                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   591
          "Print NUMA stats in detailed heap information")                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   592
                                                                            \
17392
2f967c0e4246 6843347: Boundary values in some public GC options cause crashes
tschatzl
parents: 17322
diff changeset
   593
  product(uintx, NUMAPageScanRate, 256,                                     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   594
          "Maximum number of pages to include in the page scan procedure")  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   595
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   596
  product_pd(bool, NeedsDeoptSuspend,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   597
          "True for register window machines (sparc/ia64)")                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   598
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   599
  product(intx, UseSSE, 99,                                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   600
          "Highest supported SSE instructions set on x86/x64")              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   601
                                                                            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   602
  product(bool, UseAES, false,                                              \
14132
3c1437abcefd 7184394: add intrinsics to use AES instructions
kvn
parents: 13974
diff changeset
   603
          "Control whether AES instructions can be used on x86/x64")        \
3c1437abcefd 7184394: add intrinsics to use AES instructions
kvn
parents: 13974
diff changeset
   604
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   605
  product(uintx, LargePageSizeInBytes, 0,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   606
          "Large page size (0 to let VM choose the page size)")             \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   607
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   608
  product(uintx, LargePageHeapSizeThreshold, 128*M,                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   609
          "Use large pages if maximum heap is at least this big")           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   610
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   611
  product(bool, ForceTimeHighResolution, false,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   612
          "Using high time resolution (for Win32 only)")                    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   613
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   614
  develop(bool, TraceItables, false,                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   615
          "Trace initialization and use of itables")                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   616
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   617
  develop(bool, TracePcPatching, false,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   618
          "Trace usage of frame::patch_pc")                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   619
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   620
  develop(bool, TraceJumps, false,                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   621
          "Trace assembly jumps in thread ring buffer")                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   622
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   623
  develop(bool, TraceRelocator, false,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   624
          "Trace the bytecode relocator")                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   625
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   626
  develop(bool, TraceLongCompiles, false,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   627
          "Print out every time compilation is longer than "                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   628
          "a given threshold")                                              \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   629
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   630
  develop(bool, SafepointALot, false,                                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   631
          "Generate a lot of safepoints. This works with "                  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   632
          "GuaranteedSafepointInterval")                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   633
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   634
  product_pd(bool, BackgroundCompilation,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   635
          "A thread requesting compilation is not blocked during "          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   636
          "compilation")                                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   637
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   638
  product(bool, PrintVMQWaitTime, false,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   639
          "Print out the waiting time in VM operation queue")               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   640
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   641
  develop(bool, NoYieldsInMicrolock, false,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   642
          "Disable yields in microlock")                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   643
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   644
  develop(bool, TraceOopMapGeneration, false,                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   645
          "Show OopMapGeneration")                                          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   646
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   647
  product(bool, MethodFlushing, true,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   648
          "Reclamation of zombie and not-entrant methods")                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   649
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   650
  develop(bool, VerifyStack, false,                                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   651
          "Verify stack of each thread when it is entering a runtime call") \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   652
                                                                            \
10983
9ab65f4cec18 7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer
never
parents: 10963
diff changeset
   653
  diagnostic(bool, ForceUnreachable, false,                                 \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   654
          "Make all non code cache addresses to be unreachable by "         \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   655
          "forcing use of 64bit literal fixups")                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   656
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   657
  notproduct(bool, StressDerivedPointers, false,                            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   658
          "Force scavenge when a derived pointer is detected on stack "     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   659
          "after rtm call")                                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   660
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   661
  develop(bool, TraceDerivedPointers, false,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   662
          "Trace traversal of derived pointers on stack")                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   663
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   664
  notproduct(bool, TraceCodeBlobStacks, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   665
          "Trace stack-walk of codeblobs")                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   666
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   667
  product(bool, PrintJNIResolving, false,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   668
          "Used to implement -v:jni")                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   669
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   670
  notproduct(bool, PrintRewrites, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   671
          "Print methods that are being rewritten")                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   672
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   673
  product(bool, UseInlineCaches, true,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   674
          "Use Inline Caches for virtual calls ")                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   675
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   676
  develop(bool, InlineArrayCopy, true,                                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   677
          "Inline arraycopy native that is known to be part of "            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   678
          "base library DLL")                                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   679
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   680
  develop(bool, InlineObjectHash, true,                                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   681
          "Inline Object::hashCode() native that is known to be part "      \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   682
          "of base library DLL")                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   683
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   684
  develop(bool, InlineNatives, true,                                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   685
          "Inline natives that are known to be part of base library DLL")   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   686
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   687
  develop(bool, InlineMathNatives, true,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   688
          "Inline SinD, CosD, etc.")                                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   689
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   690
  develop(bool, InlineClassNatives, true,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   691
          "Inline Class.isInstance, etc")                                   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   692
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   693
  develop(bool, InlineThreadNatives, true,                                  \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   694
          "Inline Thread.currentThread, etc")                               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   695
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   696
  develop(bool, InlineUnsafeOps, true,                                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   697
          "Inline memory ops (native methods) from sun.misc.Unsafe")        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   698
                                                                            \
11637
030466036615 7013347: allow crypto functions to be called inline to enhance performance
never
parents: 11636
diff changeset
   699
  product(bool, CriticalJNINatives, true,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   700
          "Check for critical JNI entry points")                            \
11637
030466036615 7013347: allow crypto functions to be called inline to enhance performance
never
parents: 11636
diff changeset
   701
                                                                            \
030466036615 7013347: allow crypto functions to be called inline to enhance performance
never
parents: 11636
diff changeset
   702
  notproduct(bool, StressCriticalJNINatives, false,                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   703
          "Exercise register saving code in critical natives")              \
11637
030466036615 7013347: allow crypto functions to be called inline to enhance performance
never
parents: 11636
diff changeset
   704
                                                                            \
2348
4e71ed4c2709 6761600: Use sse 4.2 in intrinsics
cfang
parents: 2342
diff changeset
   705
  product(bool, UseSSE42Intrinsics, false,                                  \
4e71ed4c2709 6761600: Use sse 4.2 in intrinsics
cfang
parents: 2342
diff changeset
   706
          "SSE4.2 versions of intrinsics")                                  \
4e71ed4c2709 6761600: Use sse 4.2 in intrinsics
cfang
parents: 2342
diff changeset
   707
                                                                            \
14132
3c1437abcefd 7184394: add intrinsics to use AES instructions
kvn
parents: 13974
diff changeset
   708
  product(bool, UseAESIntrinsics, false,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   709
          "Use intrinsics for AES versions of crypto")                      \
14132
3c1437abcefd 7184394: add intrinsics to use AES instructions
kvn
parents: 13974
diff changeset
   710
                                                                            \
18507
61bfc8995bb3 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents: 18506
diff changeset
   711
  product(bool, UseCRC32Intrinsics, false,                                  \
61bfc8995bb3 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents: 18506
diff changeset
   712
          "use intrinsics for java.util.zip.CRC32")                         \
61bfc8995bb3 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents: 18506
diff changeset
   713
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   714
  develop(bool, TraceCallFixup, false,                                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   715
          "Trace all call fixups")                                          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   716
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   717
  develop(bool, DeoptimizeALot, false,                                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   718
          "Deoptimize at every exit from the runtime system")               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   719
                                                                            \
1553
fc10c169d15d 6772413: code cleanup
kvn
parents: 1550
diff changeset
   720
  notproduct(ccstrlist, DeoptimizeOnlyAt, "",                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   721
          "A comma separated list of bcis to deoptimize at")                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   722
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   723
  product(bool, DeoptimizeRandom, false,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   724
          "Deoptimize random frames on random exit from the runtime system")\
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   725
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   726
  notproduct(bool, ZombieALot, false,                                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   727
          "Create zombies (non-entrant) at exit from the runtime system")   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   728
                                                                            \
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7896
diff changeset
   729
  product(bool, UnlinkSymbolsALot, false,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   730
          "Unlink unreferenced symbols from the symbol table at safepoints")\
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7896
diff changeset
   731
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   732
  notproduct(bool, WalkStackALot, false,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   733
          "Trace stack (no print) at every exit from the runtime system")   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   734
                                                                            \
10739
91935236600e 7098194: integrate macosx-port changes
dcubed
parents: 10569
diff changeset
   735
  product(bool, Debugging, false,                                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   736
          "Set when executing debug methods in debug.cpp "                  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   737
          "(to prevent triggering assertions)")                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   738
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   739
  notproduct(bool, StrictSafepointChecks, trueInDebug,                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   740
          "Enable strict checks that safepoints cannot happen for threads " \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   741
          "that use No_Safepoint_Verifier")                                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   742
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   743
  notproduct(bool, VerifyLastFrame, false,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   744
          "Verify oops on last frame on entry to VM")                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   745
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   746
  develop(bool, TraceHandleAllocation, false,                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   747
          "Print out warnings when suspiciously many handles are allocated")\
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   748
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   749
  product(bool, UseCompilerSafepoints, true,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   750
          "Stop at safepoints in compiled code")                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   751
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   752
  product(bool, FailOverToOldVerifier, true,                                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   753
          "Fail over to old verifier when split verifier fails")            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   754
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   755
  develop(bool, ShowSafepointMsgs, false,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   756
          "Show message about safepoint synchronization")                   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   757
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   758
  product(bool, SafepointTimeout, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   759
          "Time out and warn or fail after SafepointTimeoutDelay "          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   760
          "milliseconds if failed to reach safepoint")                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   761
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   762
  develop(bool, DieOnSafepointTimeout, false,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   763
          "Die upon failure to reach safepoint (see SafepointTimeout)")     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   764
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   765
  /* 50 retries * (5 * current_retry_count) millis = ~6.375 seconds */      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   766
  /* typically, at most a few retries are needed */                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   767
  product(intx, SuspendRetryCount, 50,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   768
          "Maximum retry count for an external suspend request")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   769
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   770
  product(intx, SuspendRetryDelay, 5,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   771
          "Milliseconds to delay per retry (* current_retry_count)")        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   772
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   773
  product(bool, AssertOnSuspendWaitFailure, false,                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   774
          "Assert/Guarantee on external suspend wait failure")              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   775
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   776
  product(bool, TraceSuspendWaitFailures, false,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   777
          "Trace external suspend wait failures")                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   778
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   779
  product(bool, MaxFDLimit, true,                                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   780
          "Bump the number of file descriptors to maximum in Solaris")      \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   781
                                                                            \
11636
3c07b54482a5 7141200: log some interesting information in ring buffers for crashes
never
parents: 11632
diff changeset
   782
  diagnostic(bool, LogEvents, true,                                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   783
          "Enable the various ring buffer event logs")                      \
11636
3c07b54482a5 7141200: log some interesting information in ring buffers for crashes
never
parents: 11632
diff changeset
   784
                                                                            \
17392
2f967c0e4246 6843347: Boundary values in some public GC options cause crashes
tschatzl
parents: 17322
diff changeset
   785
  diagnostic(uintx, LogEventsBufferEntries, 10,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   786
          "Number of ring buffer event logs")                               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   787
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   788
  product(bool, BytecodeVerificationRemote, true,                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   789
          "Enable the Java bytecode verifier for remote classes")           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   790
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   791
  product(bool, BytecodeVerificationLocal, false,                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   792
          "Enable the Java bytecode verifier for local classes")            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   793
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   794
  develop(bool, ForceFloatExceptions, trueInDebug,                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   795
          "Force exceptions on FP stack under/overflow")                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   796
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   797
  develop(bool, VerifyStackAtCalls, false,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   798
          "Verify that the stack pointer is unchanged after calls")         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   799
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   800
  develop(bool, TraceJavaAssertions, false,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   801
          "Trace java language assertions")                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   802
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   803
  notproduct(bool, CheckAssertionStatusDirectives, false,                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   804
          "Temporary - see javaClasses.cpp")                                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   805
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   806
  notproduct(bool, PrintMallocFree, false,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   807
          "Trace calls to C heap malloc/free allocation")                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   808
                                                                            \
6176
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6062
diff changeset
   809
  product(bool, PrintOopAddress, false,                                     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   810
          "Always print the location of the oop")                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   811
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   812
  notproduct(bool, VerifyCodeCacheOften, false,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   813
          "Verify compiled-code cache often")                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   814
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   815
  develop(bool, ZapDeadCompiledLocals, false,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   816
          "Zap dead locals in compiler frames")                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   817
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   818
  notproduct(bool, ZapDeadLocalsOld, false,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   819
          "Zap dead locals (old version, zaps all frames when "             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   820
          "entering the VM")                                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   821
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   822
  notproduct(bool, CheckOopishValues, false,                                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   823
          "Warn if value contains oop (requires ZapDeadLocals)")            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   824
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   825
  develop(bool, UseMallocOnly, false,                                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   826
          "Use only malloc/free for allocation (no resource area/arena)")   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   827
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   828
  develop(bool, PrintMalloc, false,                                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   829
          "Print all malloc/free calls")                                    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   830
                                                                            \
8320
544210b4dd48 7017124: Fix some VM stats to avoid 32-bit overflow
kvn
parents: 8076
diff changeset
   831
  develop(bool, PrintMallocStatistics, false,                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   832
          "Print malloc/free statistics")                                   \
8320
544210b4dd48 7017124: Fix some VM stats to avoid 32-bit overflow
kvn
parents: 8076
diff changeset
   833
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   834
  develop(bool, ZapResourceArea, trueInDebug,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   835
          "Zap freed resource/arena space with 0xABABABAB")                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   836
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   837
  notproduct(bool, ZapVMHandleArea, trueInDebug,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   838
          "Zap freed VM handle space with 0xBCBCBCBC")                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   839
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   840
  develop(bool, ZapJNIHandleArea, trueInDebug,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   841
          "Zap freed JNI handle space with 0xFEFEFEFE")                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   842
                                                                            \
6762
f8d1b560700e 6423256: GC stacks should use a better data structure
jcoomes
parents: 6448
diff changeset
   843
  notproduct(bool, ZapStackSegments, trueInDebug,                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   844
          "Zap allocated/freed stack segments with 0xFADFADED")             \
6762
f8d1b560700e 6423256: GC stacks should use a better data structure
jcoomes
parents: 6448
diff changeset
   845
                                                                            \
971
f0b20be4165d 6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents: 765
diff changeset
   846
  develop(bool, ZapUnusedHeapArea, trueInDebug,                             \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   847
          "Zap unused heap space with 0xBAADBABE")                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   848
                                                                            \
971
f0b20be4165d 6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents: 765
diff changeset
   849
  develop(bool, TraceZapUnusedHeapArea, false,                              \
f0b20be4165d 6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents: 765
diff changeset
   850
          "Trace zapping of unused heap space")                             \
f0b20be4165d 6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents: 765
diff changeset
   851
                                                                            \
f0b20be4165d 6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents: 765
diff changeset
   852
  develop(bool, CheckZapUnusedHeapArea, false,                              \
f0b20be4165d 6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents: 765
diff changeset
   853
          "Check zapping of unused heap space")                             \
f0b20be4165d 6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents: 765
diff changeset
   854
                                                                            \
1668
8ec481b8f514 6578152: fill_region_with_object has usability and safety issues
jcoomes
parents: 1615
diff changeset
   855
  develop(bool, ZapFillerObjects, trueInDebug,                              \
8ec481b8f514 6578152: fill_region_with_object has usability and safety issues
jcoomes
parents: 1615
diff changeset
   856
          "Zap filler objects with 0xDEAFBABE")                             \
8ec481b8f514 6578152: fill_region_with_object has usability and safety issues
jcoomes
parents: 1615
diff changeset
   857
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   858
  develop(bool, PrintVMMessages, true,                                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   859
          "Print VM messages on console")                                   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   860
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   861
  product(bool, PrintGCApplicationConcurrentTime, false,                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   862
          "Print the time the application has been running")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   863
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   864
  product(bool, PrintGCApplicationStoppedTime, false,                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   865
          "Print the time the application has been stopped")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   866
                                                                            \
13476
471200fb94fd 7116786: RFE: Detailed information on VerifyErrors
kamg
parents: 13197
diff changeset
   867
  diagnostic(bool, VerboseVerification, false,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   868
          "Display detailed verification details")                          \
13476
471200fb94fd 7116786: RFE: Detailed information on VerifyErrors
kamg
parents: 13197
diff changeset
   869
                                                                            \
5403
6b0dd9c75dde 6888954: argument formatting for assert() and friends
jcoomes
parents: 5251
diff changeset
   870
  notproduct(uintx, ErrorHandlerTest, 0,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   871
          "If > 0, provokes an error after VM initialization; the value "   \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   872
          "determines which error to provoke. See test_error_handler() "    \
5403
6b0dd9c75dde 6888954: argument formatting for assert() and friends
jcoomes
parents: 5251
diff changeset
   873
          "in debug.cpp.")                                                  \
6b0dd9c75dde 6888954: argument formatting for assert() and friends
jcoomes
parents: 5251
diff changeset
   874
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   875
  develop(bool, Verbose, false,                                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   876
          "Print additional debugging information from other modes")        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   877
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   878
  develop(bool, PrintMiscellaneous, false,                                  \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   879
          "Print uncategorized debugging information (requires +Verbose)")  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   880
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   881
  develop(bool, WizardMode, false,                                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   882
          "Print much more debugging information")                          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   883
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   884
  product(bool, ShowMessageBoxOnError, false,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   885
          "Keep process alive on VM fatal error")                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   886
                                                                            \
8119
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 8114
diff changeset
   887
  product(bool, CreateMinidumpOnCrash, false,                               \
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 8114
diff changeset
   888
          "Create minidump on VM fatal error")                              \
81eef1b06988 7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents: 8114
diff changeset
   889
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   890
  product_pd(bool, UseOSErrorReporting,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   891
          "Let VM fatal error propagate to the OS (ie. WER on Windows)")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   892
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   893
  product(bool, SuppressFatalErrorMessage, false,                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   894
          "Report NO fatal error message (avoid deadlock)")                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   895
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   896
  product(ccstrlist, OnError, "",                                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   897
          "Run user-defined commands on fatal error; see VMError.cpp "      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   898
          "for examples")                                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   899
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   900
  product(ccstrlist, OnOutOfMemoryError, "",                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   901
          "Run user-defined commands on first java.lang.OutOfMemoryError")  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   902
                                                                            \
2141
e9a644aaff87 6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
ysr
parents: 2034
diff changeset
   903
  manageable(bool, HeapDumpBeforeFullGC, false,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   904
          "Dump heap to file before any major stop-the-world GC")           \
2141
e9a644aaff87 6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
ysr
parents: 2034
diff changeset
   905
                                                                            \
e9a644aaff87 6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
ysr
parents: 2034
diff changeset
   906
  manageable(bool, HeapDumpAfterFullGC, false,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   907
          "Dump heap to file after any major stop-the-world GC")            \
2141
e9a644aaff87 6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
ysr
parents: 2034
diff changeset
   908
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   909
  manageable(bool, HeapDumpOnOutOfMemoryError, false,                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   910
          "Dump heap to file when java.lang.OutOfMemoryError is thrown")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   911
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   912
  manageable(ccstr, HeapDumpPath, NULL,                                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   913
          "When HeapDumpOnOutOfMemoryError is on, the path (filename or "   \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   914
          "directory) of the dump file (defaults to java_pid<pid>.hprof "   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   915
          "in the working directory)")                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   916
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   917
  develop(uintx, SegmentedHeapDumpThreshold, 2*G,                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   918
          "Generate a segmented heap dump (JAVA PROFILE 1.0.2 format) "     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   919
          "when the heap usage is larger than this")                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   920
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   921
  develop(uintx, HeapDumpSegmentSize, 1*G,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   922
          "Approximate segment size when generating a segmented heap dump") \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   923
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   924
  develop(bool, BreakAtWarning, false,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   925
          "Execute breakpoint upon encountering VM warning")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   926
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   927
  develop(bool, TraceVMOperation, false,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   928
          "Trace VM operations")                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   929
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   930
  develop(bool, UseFakeTimers, false,                                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   931
          "Tell whether the VM should use system time or a fake timer")     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   932
                                                                            \
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 13091
diff changeset
   933
  product(ccstr, NativeMemoryTracking, "off",                               \
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 13091
diff changeset
   934
          "Native memory tracking options")                                 \
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 13091
diff changeset
   935
                                                                            \
13861
619cff4bfb8b 7188594: Print statistic collected by NMT with VM flag
zgu
parents: 13739
diff changeset
   936
  diagnostic(bool, PrintNMTStatistics, false,                               \
619cff4bfb8b 7188594: Print statistic collected by NMT with VM flag
zgu
parents: 13739
diff changeset
   937
          "Print native memory tracking summary data if it is on")          \
619cff4bfb8b 7188594: Print statistic collected by NMT with VM flag
zgu
parents: 13739
diff changeset
   938
                                                                            \
16436
6b67e51e3cfb 8009298: NMT: Special version of class loading/unloading with runThese stresses out NMT
zgu
parents: 16428
diff changeset
   939
  diagnostic(bool, AutoShutdownNMT, true,                                   \
6b67e51e3cfb 8009298: NMT: Special version of class loading/unloading with runThese stresses out NMT
zgu
parents: 16428
diff changeset
   940
          "Automatically shutdown native memory tracking under stress "     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   941
          "situations. When set to false, native memory tracking tries to " \
16436
6b67e51e3cfb 8009298: NMT: Special version of class loading/unloading with runThese stresses out NMT
zgu
parents: 16428
diff changeset
   942
          "stay alive at the expense of JVM performance")                   \
6b67e51e3cfb 8009298: NMT: Special version of class loading/unloading with runThese stresses out NMT
zgu
parents: 16428
diff changeset
   943
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   944
  diagnostic(bool, LogCompilation, false,                                   \
20010
c66a7254680c 8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents: 19770
diff changeset
   945
          "Log compilation activity in detail to LogFile")                  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   946
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   947
  product(bool, PrintCompilation, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   948
          "Print compilations")                                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   949
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   950
  diagnostic(bool, TraceNMethodInstalls, false,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   951
          "Trace nmethod installation")                                     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   952
                                                                            \
11195
48e0d7ae1378 7110058: change default for ScavengeRootsInCode to 2
twisti
parents: 10989
diff changeset
   953
  diagnostic(intx, ScavengeRootsInCode, 2,                                  \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   954
          "0: do not allow scavengable oops in the code cache; "            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   955
          "1: allow scavenging from the code cache; "                       \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   956
          "2: emit as many constants as the compiler can see")              \
3908
24b55ad4c228 6863023: need non-perm oops in code cache for JSR 292
jrose
parents: 3610
diff changeset
   957
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   958
  product(bool, AlwaysRestoreFPU, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   959
          "Restore the FPU control word after every JNI call (expensive)")  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   960
                                                                            \
10988
a3b2bd43ef4f 7107042: assert(no_dead_loop) failed: dead loop detected
kvn
parents: 10983
diff changeset
   961
  diagnostic(bool, PrintCompilation2, false,                                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   962
          "Print additional statistics per compilation")                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   963
                                                                            \
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents: 249
diff changeset
   964
  diagnostic(bool, PrintAdapterHandlers, false,                             \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   965
          "Print code generated for i2c/c2i adapters")                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   966
                                                                            \
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13197
diff changeset
   967
  diagnostic(bool, VerifyAdapterCalls, trueInDebug,                         \
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13197
diff changeset
   968
          "Verify that i2c/c2i adapters are called properly")               \
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13197
diff changeset
   969
                                                                            \
4755
eee57ea6d910 6921922: fix for 6911204 breaks tagged stack interpreter
never
parents: 4754
diff changeset
   970
  develop(bool, VerifyAdapterSharing, false,                                \
eee57ea6d910 6921922: fix for 6911204 breaks tagged stack interpreter
never
parents: 4754
diff changeset
   971
          "Verify that the code for shared adapters is the equivalent")     \
eee57ea6d910 6921922: fix for 6911204 breaks tagged stack interpreter
never
parents: 4754
diff changeset
   972
                                                                            \
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents: 249
diff changeset
   973
  diagnostic(bool, PrintAssembly, false,                                    \
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents: 249
diff changeset
   974
          "Print assembly code (using external disassembler.so)")           \
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents: 249
diff changeset
   975
                                                                            \
1402
ccb40ce62b79 6744783: HotSpot segfaults if given -XX options with an empty string argument
never
parents: 1129
diff changeset
   976
  diagnostic(ccstr, PrintAssemblyOptions, NULL,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   977
          "Print options string passed to disassembler.so")                 \
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents: 249
diff changeset
   978
                                                                            \
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents: 249
diff changeset
   979
  diagnostic(bool, PrintNMethods, false,                                    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   980
          "Print assembly code for nmethods when generated")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   981
                                                                            \
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents: 249
diff changeset
   982
  diagnostic(bool, PrintNativeNMethods, false,                              \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   983
          "Print assembly code for native nmethods when generated")         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   984
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   985
  develop(bool, PrintDebugInfo, false,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   986
          "Print debug information for all nmethods when generated")        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   987
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   988
  develop(bool, PrintRelocations, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   989
          "Print relocation information for all nmethods when generated")   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   990
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   991
  develop(bool, PrintDependencies, false,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   992
          "Print dependency information for all nmethods when generated")   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   993
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   994
  develop(bool, PrintExceptionHandlers, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   995
          "Print exception handler tables for all nmethods when generated") \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   996
                                                                            \
14835
70896cb93c35 8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents: 14490
diff changeset
   997
  develop(bool, StressCompiledExceptionHandlers, false,                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
   998
          "Exercise compiled exception handlers")                           \
14835
70896cb93c35 8004741: Missing compiled exception handle table entry for multidimensional array allocation
kvn
parents: 14490
diff changeset
   999
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1000
  develop(bool, InterceptOSException, false,                                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1001
          "Start debugger when an implicit OS (e.g. NULL) "                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1002
          "exception happens")                                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1003
                                                                            \
15201
f3d755b11424 8005204: Code Cache Reduction: command line options implementation
vladidan
parents: 15107
diff changeset
  1004
  product(bool, PrintCodeCache, false,                                      \
f3d755b11424 8005204: Code Cache Reduction: command line options implementation
vladidan
parents: 15107
diff changeset
  1005
          "Print the code cache memory usage when exiting")                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1006
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1007
  develop(bool, PrintCodeCache2, false,                                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1008
          "Print detailed usage information on the code cache when exiting")\
15201
f3d755b11424 8005204: Code Cache Reduction: command line options implementation
vladidan
parents: 15107
diff changeset
  1009
                                                                            \
f3d755b11424 8005204: Code Cache Reduction: command line options implementation
vladidan
parents: 15107
diff changeset
  1010
  product(bool, PrintCodeCacheOnCompilation, false,                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1011
          "Print the code cache memory usage each time a method is "        \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1012
          "compiled")                                                       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1013
                                                                            \
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents: 249
diff changeset
  1014
  diagnostic(bool, PrintStubCode, false,                                    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1015
          "Print generated stub code")                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1016
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1017
  product(bool, StackTraceInThrowable, true,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1018
          "Collect backtrace in throwable when exception happens")          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1019
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1020
  product(bool, OmitStackTraceInFastThrow, true,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1021
          "Omit backtraces for some 'hot' exceptions in optimized code")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1022
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1023
  product(bool, ProfilerPrintByteCodeStatistics, false,                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1024
          "Print bytecode statistics when dumping profiler output")         \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1025
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1026
  product(bool, ProfilerRecordPC, false,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1027
          "Collect ticks for each 16 byte interval of compiled code")       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1028
                                                                            \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1029
  product(bool, ProfileVM, false,                                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1030
          "Profile ticks that fall within VM (either in the VM Thread "     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1031
          "or VM code called through stubs)")                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1032
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1033
  product(bool, ProfileIntervals, false,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1034
          "Print profiles for each interval (see ProfileIntervalsTicks)")   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1035
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1036
  notproduct(bool, ProfilerCheckIntervals, false,                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1037
          "Collect and print information on spacing of profiler ticks")     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1038
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1039
  develop(bool, PrintJVMWarnings, false,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1040
          "Print warnings for unimplemented JVM functions")                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1041
                                                                            \
6967
c5ebdcf8372e 6392697: Additional flag needed to supress Hotspot warning messages
kamg
parents: 6965
diff changeset
  1042
  product(bool, PrintWarnings, true,                                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1043
          "Print JVM warnings to output stream")                            \
6967
c5ebdcf8372e 6392697: Additional flag needed to supress Hotspot warning messages
kamg
parents: 6965
diff changeset
  1044
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1045
  notproduct(uintx, WarnOnStalledSpinLock, 0,                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1046
          "Print warnings for stalled SpinLocks")                           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1047
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1048
  product(bool, RegisterFinalizersAtInit, true,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1049
          "Register finalizable objects at end of Object.<init> or "        \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1050
          "after allocation")                                               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1051
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1052
  develop(bool, RegisterReferences, true,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1053
          "Tell whether the VM should register soft/weak/final/phantom "    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1054
          "references")                                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1055
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1056
  develop(bool, IgnoreRewrites, false,                                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1057
          "Suppress rewrites of bytecodes in the oopmap generator. "        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1058
          "This is unsafe!")                                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1059
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1060
  develop(bool, PrintCodeCacheExtension, false,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1061
          "Print extension of code cache")                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1062
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1063
  develop(bool, UsePrivilegedStack, true,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1064
          "Enable the security JVM functions")                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1065
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1066
  develop(bool, ProtectionDomainVerification, true,                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1067
          "Verify protection domain before resolution in system dictionary")\
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1068
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1069
  product(bool, ClassUnloading, true,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1070
          "Do unloading of classes")                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1071
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1072
  develop(bool, DisableStartThread, false,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1073
          "Disable starting of additional Java threads "                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1074
          "(for debugging only)")                                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1075
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1076
  develop(bool, MemProfiling, false,                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1077
          "Write memory usage profiling to log file")                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1078
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1079
  notproduct(bool, PrintSystemDictionaryAtExit, false,                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1080
          "Print the system dictionary at exit")                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1081
                                                                            \
11628
13155c0c00b4 7114376: Make system dictionary hashtable bucket array size configurable
acorn
parents: 11601
diff changeset
  1082
  experimental(intx, PredictedLoadedClassCount, 0,                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1083
          "Experimental: Tune loaded class cache starting size")            \
11628
13155c0c00b4 7114376: Make system dictionary hashtable bucket array size configurable
acorn
parents: 11601
diff changeset
  1084
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1085
  diagnostic(bool, UnsyncloadClass, false,                                  \
1890
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1671
diff changeset
  1086
          "Unstable: VM calls loadClass unsynchronized. Custom "            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1087
          "class loader must call VM synchronized for findClass "           \
1890
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1671
diff changeset
  1088
          "and defineClass.")                                               \
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1671
diff changeset
  1089
                                                                            \
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1671
diff changeset
  1090
  product(bool, AlwaysLockClassLoader, false,                               \
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1671
diff changeset
  1091
          "Require the VM to acquire the class loader lock before calling " \
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1671
diff changeset
  1092
          "loadClass() even for class loaders registering "                 \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1093
          "as parallel capable")                                            \
1890
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1671
diff changeset
  1094
                                                                            \
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1671
diff changeset
  1095
  product(bool, AllowParallelDefineClass, false,                            \
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1671
diff changeset
  1096
          "Allow parallel defineClass requests for class loaders "          \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1097
          "registering as parallel capable")                                \
1890
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1671
diff changeset
  1098
                                                                            \
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1671
diff changeset
  1099
  product(bool, MustCallLoadClassInternal, false,                           \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1100
          "Call loadClassInternal() rather than loadClass()")               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1101
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1102
  product_pd(bool, DontYieldALot,                                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1103
          "Throw away obvious excess yield calls (for Solaris only)")       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1104
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1105
  product_pd(bool, ConvertSleepToYield,                                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1106
          "Convert sleep(0) to thread yield "                               \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1107
          "(may be off for Solaris to improve GUI)")                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1108
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1109
  product(bool, ConvertYieldToSleep, false,                                 \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1110
          "Convert yield to a sleep of MinSleepInterval to simulate Win32 " \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1111
          "behavior (Solaris only)")                                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1112
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1113
  product(bool, UseBoundThreads, true,                                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1114
          "Bind user level threads to kernel threads (for Solaris only)")   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1115
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1116
  develop(bool, UseDetachedThreads, true,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1117
          "Use detached threads that are recycled upon termination "        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1118
          "(for Solaris only)")                                             \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1119
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1120
  product(bool, UseLWPSynchronization, true,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1121
          "Use LWP-based instead of libthread-based synchronization "       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1122
          "(SPARC only)")                                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1123
                                                                            \
1402
ccb40ce62b79 6744783: HotSpot segfaults if given -XX options with an empty string argument
never
parents: 1129
diff changeset
  1124
  product(ccstr, SyncKnobs, NULL,                                           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1125
          "(Unstable) Various monitor synchronization tunables")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1126
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1127
  product(intx, EmitSync, 0,                                                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1128
          "(Unsafe, Unstable) "                                             \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1129
          "Control emission of inline sync fast-path code")                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1130
                                                                            \
5710
d664086c0add 6852873: Reduce safepoint cleanup time
acorn
parents: 5539
diff changeset
  1131
  product(intx, MonitorBound, 0, "Bound Monitor population")                \
d664086c0add 6852873: Reduce safepoint cleanup time
acorn
parents: 5539
diff changeset
  1132
                                                                            \
d664086c0add 6852873: Reduce safepoint cleanup time
acorn
parents: 5539
diff changeset
  1133
  product(bool, MonitorInUseLists, false, "Track Monitors for Deflation")   \
d664086c0add 6852873: Reduce safepoint cleanup time
acorn
parents: 5539
diff changeset
  1134
                                                                            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1135
  product(intx, SyncFlags, 0, "(Unsafe, Unstable) Experimental Sync flags") \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1136
                                                                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1137
  product(intx, SyncVerbose, 0, "(Unstable)")                               \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1138
                                                                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1139
  product(intx, ClearFPUAtPark, 0, "(Unsafe, Unstable)")                    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1140
                                                                            \
15193
8e6b5694267f 8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents: 15101
diff changeset
  1141
  product(intx, hashCode, 5,                                                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1142
          "(Unstable) select hashCode generation algorithm")                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1143
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1144
  product(intx, WorkAroundNPTLTimedWaitHang, 1,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1145
          "(Unstable, Linux-specific) "                                     \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1146
          "avoid NPTL-FUTEX hang pthread_cond_timedwait")                   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1147
                                                                            \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1148
  product(bool, FilterSpuriousWakeups, true,                                \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1149
          "Prevent spurious or premature wakeups from object.wait "         \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1150
          "(Solaris only)")                                                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1151
                                                                            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1152
  product(intx, NativeMonitorTimeout, -1, "(Unstable)")                     \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1153
                                                                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1154
  product(intx, NativeMonitorFlags, 0, "(Unstable)")                        \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1155
                                                                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1156
  product(intx, NativeMonitorSpinLimit, 20, "(Unstable)")                   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1157
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1158
  develop(bool, UsePthreads, false,                                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1159
          "Use pthread-based instead of libthread-based synchronization "   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1160
          "(SPARC only)")                                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1161
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1162
  product(bool, AdjustConcurrency, false,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1163
          "Call thr_setconcurrency at thread creation time to avoid "       \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1164
          "LWP starvation on MP systems (for Solaris Only)")                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1165
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1166
  product(bool, ReduceSignalUsage, false,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1167
          "Reduce the use of OS signals in Java and/or the VM")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1168
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1169
  develop_pd(bool, ShareVtableStubs,                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1170
          "Share vtable stubs (smaller code but worse branch prediction")   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1171
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1172
  develop(bool, LoadLineNumberTables, true,                                 \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1173
          "Tell whether the class file parser loads line number tables")    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1174
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1175
  develop(bool, LoadLocalVariableTables, true,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1176
          "Tell whether the class file parser loads local variable tables") \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1177
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1178
  develop(bool, LoadLocalVariableTypeTables, true,                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1179
          "Tell whether the class file parser loads local variable type"    \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1180
          "tables")                                                         \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1181
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1182
  product(bool, AllowUserSignalHandlers, false,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1183
          "Do not complain if the application installs signal handlers "    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1184
          "(Solaris & Linux only)")                                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1185
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1186
  product(bool, UseSignalChaining, true,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1187
          "Use signal-chaining to invoke signal handlers installed "        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1188
          "by the application (Solaris & Linux only)")                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1189
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1190
  product(bool, UseAltSigs, false,                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1191
          "Use alternate signals instead of SIGUSR1 & SIGUSR2 for VM "      \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1192
          "internal signals (Solaris only)")                                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1193
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1194
  product(bool, AllowJNIEnvProxy, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1195
          "Allow JNIEnv proxies for jdbx")                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1196
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1197
  product(bool, JNIDetachReleasesMonitors, true,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1198
          "JNI DetachCurrentThread releases monitors owned by thread")      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1199
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1200
  product(bool, RestoreMXCSROnJNICalls, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1201
          "Restore MXCSR when returning from JNI calls")                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1202
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1203
  product(bool, CheckJNICalls, false,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1204
          "Verify all arguments to JNI calls")                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1205
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1206
  product(bool, UseFastJNIAccessors, true,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1207
          "Use optimized versions of Get<Primitive>Field")                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1208
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1209
  product(bool, EagerXrunInit, false,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1210
          "Eagerly initialize -Xrun libraries; allows startup profiling, "  \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1211
          "but not all -Xrun libraries may support the state of the VM "    \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1212
          "at this time")                                                   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1213
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1214
  product(bool, PreserveAllAnnotations, false,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1215
          "Preserve RuntimeInvisibleAnnotations as well "                   \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1216
          "as RuntimeVisibleAnnotations")                                   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1217
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1218
  develop(uintx, PreallocatedOutOfMemoryErrorCount, 4,                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1219
          "Number of OutOfMemoryErrors preallocated with backtrace")        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1220
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1221
  product(bool, LazyBootClassLoader, true,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1222
          "Enable/disable lazy opening of boot class path entries")         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1223
                                                                            \
1437
d1846c1c04c4 6532536: Optimize arraycopy stubs for Intel cpus
kvn
parents: 1434
diff changeset
  1224
  product(bool, UseXMMForArrayCopy, false,                                  \
d1846c1c04c4 6532536: Optimize arraycopy stubs for Intel cpus
kvn
parents: 1434
diff changeset
  1225
          "Use SSE2 MOVQ instruction for Arraycopy")                        \
d1846c1c04c4 6532536: Optimize arraycopy stubs for Intel cpus
kvn
parents: 1434
diff changeset
  1226
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1227
  product(intx, FieldsAllocationStyle, 1,                                   \
5250
ea743ca75cd9 6940733: allocate non static oop fields in super and sub classes together
kvn
parents: 5249
diff changeset
  1228
          "0 - type based with oops first, 1 - with oops last, "            \
ea743ca75cd9 6940733: allocate non static oop fields in super and sub classes together
kvn
parents: 5249
diff changeset
  1229
          "2 - oops in super and sub classes are together")                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1230
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1231
  product(bool, CompactFields, true,                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1232
          "Allocate nonstatic fields in gaps between previous fields")      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1233
                                                                            \
15193
8e6b5694267f 8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents: 15101
diff changeset
  1234
  notproduct(bool, PrintFieldLayout, false,                                 \
8e6b5694267f 8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents: 15101
diff changeset
  1235
          "Print field layout for each class")                              \
8e6b5694267f 8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents: 15101
diff changeset
  1236
                                                                            \
8e6b5694267f 8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents: 15101
diff changeset
  1237
  product(intx, ContendedPaddingWidth, 128,                                 \
8e6b5694267f 8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents: 15101
diff changeset
  1238
          "How many bytes to pad the fields/classes marked @Contended with")\
8e6b5694267f 8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents: 15101
diff changeset
  1239
                                                                            \
8e6b5694267f 8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents: 15101
diff changeset
  1240
  product(bool, EnableContended, true,                                      \
8e6b5694267f 8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents: 15101
diff changeset
  1241
          "Enable @Contended annotation support")                           \
8e6b5694267f 8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents: 15101
diff changeset
  1242
                                                                            \
8e6b5694267f 8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents: 15101
diff changeset
  1243
  product(bool, RestrictContended, true,                                    \
8e6b5694267f 8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents: 15101
diff changeset
  1244
          "Restrict @Contended to trusted classes")                         \
8e6b5694267f 8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents: 15101
diff changeset
  1245
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1246
  product(bool, UseBiasedLocking, true,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1247
          "Enable biased locking in JVM")                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1248
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1249
  product(intx, BiasedLockingStartupDelay, 4000,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1250
          "Number of milliseconds to wait before enabling biased locking")  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1251
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1252
  diagnostic(bool, PrintBiasedLockingStatistics, false,                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1253
          "Print statistics of biased locking in JVM")                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1254
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1255
  product(intx, BiasedLockingBulkRebiasThreshold, 20,                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1256
          "Threshold of number of revocations per type to try to "          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1257
          "rebias all objects in the heap of that type")                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1258
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1259
  product(intx, BiasedLockingBulkRevokeThreshold, 40,                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1260
          "Threshold of number of revocations per type to permanently "     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1261
          "revoke biases of all objects in the heap of that type")          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1262
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1263
  product(intx, BiasedLockingDecayTime, 25000,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1264
          "Decay time (in milliseconds) to re-enable bulk rebiasing of a "  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1265
          "type after previous bulk rebias")                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1266
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1267
  /* tracing */                                                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1268
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1269
  notproduct(bool, TraceRuntimeCalls, false,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1270
          "Trace run-time calls")                                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1271
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1272
  develop(bool, TraceJNICalls, false,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1273
          "Trace JNI calls")                                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1274
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1275
  notproduct(bool, TraceJVMCalls, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1276
          "Trace JVM calls")                                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1277
                                                                            \
1402
ccb40ce62b79 6744783: HotSpot segfaults if given -XX options with an empty string argument
never
parents: 1129
diff changeset
  1278
  product(ccstr, TraceJVMTI, NULL,                                          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1279
          "Trace flags for JVMTI functions and events")                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1280
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1281
  /* This option can change an EMCP method into an obsolete method. */      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1282
  /* This can affect tests that except specific methods to be EMCP. */      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1283
  /* This option should be used with caution. */                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1284
  product(bool, StressLdcRewrite, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1285
          "Force ldc -> ldc_w rewrite during RedefineClasses")              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1286
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1287
  product(intx, TraceRedefineClasses, 0,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1288
          "Trace level for JVMTI RedefineClasses")                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1289
                                                                            \
5697
0cf7190475ee 6957080: MethodComparator needs stress testing
jrose
parents: 5694
diff changeset
  1290
  develop(bool, StressMethodComparator, false,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1291
          "Run the MethodComparator on all loaded methods")                 \
5697
0cf7190475ee 6957080: MethodComparator needs stress testing
jrose
parents: 5694
diff changeset
  1292
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1293
  /* change to false by default sometime after Mustang */                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1294
  product(bool, VerifyMergedCPBytecodes, true,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1295
          "Verify bytecodes after RedefineClasses constant pool merging")   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1296
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1297
  develop(bool, TraceJNIHandleAllocation, false,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1298
          "Trace allocation/deallocation of JNI handle blocks")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1299
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1300
  develop(bool, TraceThreadEvents, false,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1301
          "Trace all thread events")                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1302
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1303
  develop(bool, TraceBytecodes, false,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1304
          "Trace bytecode execution")                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1305
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1306
  develop(bool, TraceClassInitialization, false,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1307
          "Trace class initialization")                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1308
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1309
  develop(bool, TraceExceptions, false,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1310
          "Trace exceptions")                                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1311
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1312
  develop(bool, TraceICs, false,                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1313
          "Trace inline cache changes")                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1314
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1315
  notproduct(bool, TraceInvocationCounterOverflow, false,                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1316
          "Trace method invocation counter overflow")                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1317
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1318
  develop(bool, TraceInlineCacheClearing, false,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1319
          "Trace clearing of inline caches in nmethods")                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1320
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1321
  develop(bool, TraceDependencies, false,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1322
          "Trace dependencies")                                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1323
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1324
  develop(bool, VerifyDependencies, trueInDebug,                            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1325
          "Exercise and verify the compilation dependency mechanism")       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1326
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1327
  develop(bool, TraceNewOopMapGeneration, false,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1328
          "Trace OopMapGeneration")                                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1329
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1330
  develop(bool, TraceNewOopMapGenerationDetailed, false,                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1331
          "Trace OopMapGeneration: print detailed cell states")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1332
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1333
  develop(bool, TimeOopMap, false,                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1334
          "Time calls to GenerateOopMap::compute_map() in sum")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1335
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1336
  develop(bool, TimeOopMap2, false,                                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1337
          "Time calls to GenerateOopMap::compute_map() individually")       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1338
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1339
  develop(bool, TraceMonitorMismatch, false,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1340
          "Trace monitor matching failures during OopMapGeneration")        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1341
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1342
  develop(bool, TraceOopMapRewrites, false,                                 \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1343
          "Trace rewriting of method oops during oop map generation")       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1344
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1345
  develop(bool, TraceSafepoint, false,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1346
          "Trace safepoint operations")                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1347
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1348
  develop(bool, TraceICBuffer, false,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1349
          "Trace usage of IC buffer")                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1350
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1351
  develop(bool, TraceCompiledIC, false,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1352
          "Trace changes of compiled IC")                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1353
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1354
  notproduct(bool, TraceZapDeadLocals, false,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1355
          "Trace zapping dead locals")                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1356
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1357
  develop(bool, TraceStartupTime, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1358
          "Trace setup time")                                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1359
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1360
  develop(bool, TraceProtectionDomainVerification, false,                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1361
          "Trace protection domain verification")                           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1362
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1363
  develop(bool, TraceClearedExceptions, false,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1364
          "Print when an exception is forcibly cleared")                    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1365
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1366
  product(bool, TraceClassResolution, false,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1367
          "Trace all constant pool resolutions (for debugging)")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1368
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1369
  product(bool, TraceBiasedLocking, false,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1370
          "Trace biased locking in JVM")                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1371
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1372
  product(bool, TraceMonitorInflation, false,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1373
          "Trace monitor inflation in JVM")                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1374
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1375
  /* gc */                                                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1376
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1377
  product(bool, UseSerialGC, false,                                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1378
          "Use the Serial garbage collector")                               \
1374
4c24294029a9 6711316: Open source the Garbage-First garbage collector
ysr
parents: 389
diff changeset
  1379
                                                                            \
4741
3b1373d466d2 6919980: G1: remove +UseG1GC from under experimental options (second attempt)
tonyp
parents: 4650
diff changeset
  1380
  product(bool, UseG1GC, false,                                             \
1374
4c24294029a9 6711316: Open source the Garbage-First garbage collector
ysr
parents: 389
diff changeset
  1381
          "Use the Garbage-First garbage collector")                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1382
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1383
  product(bool, UseParallelGC, false,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1384
          "Use the Parallel Scavenge garbage collector")                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1385
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1386
  product(bool, UseParallelOldGC, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1387
          "Use the Parallel Old garbage collector")                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1388
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1389
  product(uintx, HeapMaximumCompactionInterval, 20,                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1390
          "How often should we maximally compact the heap (not allowing "   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1391
          "any dead space)")                                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1392
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1393
  product(uintx, HeapFirstMaximumCompactionCount, 3,                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1394
          "The collection count for the first maximum compaction")          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1395
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1396
  product(bool, UseMaximumCompactionOnSystemGC, true,                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1397
          "Use maximum compaction in the Parallel Old garbage collector "   \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1398
          "for a system GC")                                                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1399
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1400
  product(uintx, ParallelOldDeadWoodLimiterMean, 50,                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1401
          "The mean used by the parallel compact dead wood "                \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1402
          "limiter (a number between 0-100)")                               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1403
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1404
  product(uintx, ParallelOldDeadWoodLimiterStdDev, 80,                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1405
          "The standard deviation used by the parallel compact dead wood "  \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1406
          "limiter (a number between 0-100)")                               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1407
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1408
  product(uintx, ParallelGCThreads, 0,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1409
          "Number of parallel threads parallel gc will use")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1410
                                                                            \
11174
fccee5238e70 6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
jmasa
parents: 10991
diff changeset
  1411
  product(bool, UseDynamicNumberOfGCThreads, false,                         \
fccee5238e70 6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
jmasa
parents: 10991
diff changeset
  1412
          "Dynamically choose the number of parallel threads "              \
fccee5238e70 6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
jmasa
parents: 10991
diff changeset
  1413
          "parallel gc will use")                                           \
fccee5238e70 6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
jmasa
parents: 10991
diff changeset
  1414
                                                                            \
fccee5238e70 6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
jmasa
parents: 10991
diff changeset
  1415
  diagnostic(bool, ForceDynamicNumberOfGCThreads, false,                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1416
          "Force dynamic selection of the number of "                       \
11174
fccee5238e70 6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
jmasa
parents: 10991
diff changeset
  1417
          "parallel threads parallel gc will use to aid debugging")         \
fccee5238e70 6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
jmasa
parents: 10991
diff changeset
  1418
                                                                            \
fccee5238e70 6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
jmasa
parents: 10991
diff changeset
  1419
  product(uintx, HeapSizePerGCThread, ScaleForWordSize(64*M),               \
fccee5238e70 6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
jmasa
parents: 10991
diff changeset
  1420
          "Size of heap (bytes) per GC thread used in calculating the "     \
fccee5238e70 6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
jmasa
parents: 10991
diff changeset
  1421
          "number of GC threads")                                           \
fccee5238e70 6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
jmasa
parents: 10991
diff changeset
  1422
                                                                            \
fccee5238e70 6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
jmasa
parents: 10991
diff changeset
  1423
  product(bool, TraceDynamicGCThreads, false,                               \
fccee5238e70 6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
jmasa
parents: 10991
diff changeset
  1424
          "Trace the dynamic GC thread usage")                              \
fccee5238e70 6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
jmasa
parents: 10991
diff changeset
  1425
                                                                            \
1670
0deb85ea62d5 6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents: 1668
diff changeset
  1426
  develop(bool, ParallelOldGCSplitALot, false,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1427
          "Provoke splitting (copying data from a young gen space to "      \
1670
0deb85ea62d5 6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents: 1668
diff changeset
  1428
          "multiple destination spaces)")                                   \
0deb85ea62d5 6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents: 1668
diff changeset
  1429
                                                                            \
0deb85ea62d5 6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents: 1668
diff changeset
  1430
  develop(uintx, ParallelOldGCSplitInterval, 3,                             \
0deb85ea62d5 6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents: 1668
diff changeset
  1431
          "How often to provoke splitting a young gen space")               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1432
                                                                            \
5035
0e498c4df637 6928081: G1: rename parameters common with CMS
jmasa
parents: 5034
diff changeset
  1433
  product(uintx, ConcGCThreads, 0,                                          \
0e498c4df637 6928081: G1: rename parameters common with CMS
jmasa
parents: 5034
diff changeset
  1434
          "Number of threads concurrent gc will use")                       \
1374
4c24294029a9 6711316: Open source the Garbage-First garbage collector
ysr
parents: 389
diff changeset
  1435
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1436
  product(uintx, YoungPLABSize, 4096,                                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1437
          "Size of young gen promotion LAB's (in HeapWords)")               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1438
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1439
  product(uintx, OldPLABSize, 1024,                                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1440
          "Size of old gen promotion LAB's (in HeapWords)")                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1441
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1442
  product(uintx, GCTaskTimeStampEntries, 200,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1443
          "Number of time stamp entries per gc worker thread")              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1444
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1445
  product(bool, AlwaysTenure, false,                                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1446
          "Always tenure objects in eden (ParallelGC only)")                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1447
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1448
  product(bool, NeverTenure, false,                                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1449
          "Never tenure objects in eden, may tenure on overflow "           \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1450
          "(ParallelGC only)")                                              \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1451
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1452
  product(bool, ScavengeBeforeFullGC, true,                                 \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1453
          "Scavenge youngest generation before each full GC, "              \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1454
          "used with UseParallelGC")                                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1455
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1456
  develop(bool, ScavengeWithObjectsInToSpace, false,                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1457
          "Allow scavenges to occur when to-space contains objects")        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1458
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1459
  product(bool, UseConcMarkSweepGC, false,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1460
          "Use Concurrent Mark-Sweep GC in the old generation")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1461
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1462
  product(bool, ExplicitGCInvokesConcurrent, false,                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1463
          "A System.gc() request invokes a concurrent collection; "         \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1464
          "(effective only when UseConcMarkSweepGC)")                       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1465
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1466
  product(bool, ExplicitGCInvokesConcurrentAndUnloadsClasses, false,        \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1467
          "A System.gc() request invokes a concurrent collection and "      \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1468
          "also unloads classes during such a concurrent gc cycle "         \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1469
          "(effective only when UseConcMarkSweepGC)")                       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1470
                                                                            \
5433
c182d4c3039e 6919638: CMS: ExplicitGCInvokesConcurrent misinteracts with gc locker
ysr
parents: 5431
diff changeset
  1471
  product(bool, GCLockerInvokesConcurrent, false,                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1472
          "The exit of a JNI critical section necessitating a scavenge, "   \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1473
          "also kicks off a background concurrent collection")              \
5433
c182d4c3039e 6919638: CMS: ExplicitGCInvokesConcurrent misinteracts with gc locker
ysr
parents: 5431
diff changeset
  1474
                                                                            \
7416
cfe3bfab7d48 6994056: G1: when GC locker is active, extend the Eden instead of allocating into the old gen
tonyp
parents: 7397
diff changeset
  1475
  product(uintx, GCLockerEdenExpansionPercent, 5,                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1476
          "How much the GC can expand the eden by while the GC locker "     \
7416
cfe3bfab7d48 6994056: G1: when GC locker is active, extend the Eden instead of allocating into the old gen
tonyp
parents: 7397
diff changeset
  1477
          "is active (as a percentage)")                                    \
cfe3bfab7d48 6994056: G1: when GC locker is active, extend the Eden instead of allocating into the old gen
tonyp
parents: 7397
diff changeset
  1478
                                                                            \
16604
800a65bfe347 7014552: gc/lock/jni/jnilockXXX works too slow on 1-processor machine
mgerdin
parents: 15922
diff changeset
  1479
  diagnostic(intx, GCLockerRetryAllocationCount, 2,                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1480
          "Number of times to retry allocations when "                      \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1481
          "blocked by the GC locker")                                       \
16604
800a65bfe347 7014552: gc/lock/jni/jnilockXXX works too slow on 1-processor machine
mgerdin
parents: 15922
diff changeset
  1482
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1483
  develop(bool, UseCMSAdaptiveFreeLists, true,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1484
          "Use adaptive free lists in the CMS generation")                  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1485
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1486
  develop(bool, UseAsyncConcMarkSweepGC, true,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1487
          "Use Asynchronous Concurrent Mark-Sweep GC in the old generation")\
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1488
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1489
  develop(bool, RotateCMSCollectionTypes, false,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1490
          "Rotate the CMS collections among concurrent and STW")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1491
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1492
  product(bool, UseCMSBestFit, true,                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1493
          "Use CMS best fit allocation strategy")                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1494
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1495
  product(bool, UseCMSCollectionPassing, true,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1496
          "Use passing of collection from background to foreground")        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1497
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1498
  product(bool, UseParNewGC, false,                                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1499
          "Use parallel threads in the new generation")                     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1500
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1501
  product(bool, ParallelGCVerbose, false,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1502
          "Verbose output for parallel gc")                                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1503
                                                                            \
17392
2f967c0e4246 6843347: Boundary values in some public GC options cause crashes
tschatzl
parents: 17322
diff changeset
  1504
  product(uintx, ParallelGCBufferWastePct, 10,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1505
          "Wasted fraction of parallel allocation buffer")                  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1506
                                                                            \
9624
c3657c3324ee 6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents: 9426
diff changeset
  1507
  diagnostic(bool, ParallelGCRetainPLAB, false,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1508
          "Retain parallel allocation buffers across scavenges; "           \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1509
          "it is disabled because this currently conflicts with "           \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1510
          "parallel card scanning under certain conditions.")               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1511
                                                                            \
17392
2f967c0e4246 6843347: Boundary values in some public GC options cause crashes
tschatzl
parents: 17322
diff changeset
  1512
  product(uintx, TargetPLABWastePct, 10,                                    \
2f967c0e4246 6843347: Boundary values in some public GC options cause crashes
tschatzl
parents: 17322
diff changeset
  1513
          "Target wasted space in last buffer as percent of overall "       \
2f967c0e4246 6843347: Boundary values in some public GC options cause crashes
tschatzl
parents: 17322
diff changeset
  1514
          "allocation")                                                     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1515
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1516
  product(uintx, PLABWeight, 75,                                            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1517
          "Percentage (0-100) used to weigh the current sample when "       \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1518
          "computing exponentially decaying average for ResizePLAB")        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1519
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1520
  product(bool, ResizePLAB, true,                                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1521
          "Dynamically resize (survivor space) promotion LAB's")            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1522
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1523
  product(bool, PrintPLAB, false,                                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1524
          "Print (survivor space) promotion LAB's sizing decisions")        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1525
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1526
  product(intx, ParGCArrayScanChunk, 50,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1527
          "Scan a subset of object array and push remainder, if array is "  \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1528
          "bigger than this")                                               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1529
                                                                            \
2362
5e1bfddf919e 6824570: ParNew: Fix memory leak introduced in 6819891
ysr
parents: 2346
diff changeset
  1530
  product(bool, ParGCUseLocalOverflow, false,                               \
5e1bfddf919e 6824570: ParNew: Fix memory leak introduced in 6819891
ysr
parents: 2346
diff changeset
  1531
          "Instead of a global overflow list, use local overflow stacks")   \
5e1bfddf919e 6824570: ParNew: Fix memory leak introduced in 6819891
ysr
parents: 2346
diff changeset
  1532
                                                                            \
2346
3aa355016e90 6819891: ParNew: Fix work queue overflow code to deal correctly with +UseCompressedOops
ysr
parents: 2259
diff changeset
  1533
  product(bool, ParGCTrimOverflow, true,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1534
          "Eagerly trim the local overflow lists "                          \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1535
          "(when ParGCUseLocalOverflow)")                                   \
2346
3aa355016e90 6819891: ParNew: Fix work queue overflow code to deal correctly with +UseCompressedOops
ysr
parents: 2259
diff changeset
  1536
                                                                            \
1910
386106352d02 6786503: Overflow list performance can be improved
ysr
parents: 1890
diff changeset
  1537
  notproduct(bool, ParGCWorkQueueOverflowALot, false,                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1538
          "Simulate work queue overflow in ParNew")                         \
1910
386106352d02 6786503: Overflow list performance can be improved
ysr
parents: 1890
diff changeset
  1539
                                                                            \
386106352d02 6786503: Overflow list performance can be improved
ysr
parents: 1890
diff changeset
  1540
  notproduct(uintx, ParGCWorkQueueOverflowInterval, 1000,                   \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1541
          "An `interval' counter that determines how frequently "           \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1542
          "we simulate overflow; a smaller number increases frequency")     \
1910
386106352d02 6786503: Overflow list performance can be improved
ysr
parents: 1890
diff changeset
  1543
                                                                            \
386106352d02 6786503: Overflow list performance can be improved
ysr
parents: 1890
diff changeset
  1544
  product(uintx, ParGCDesiredObjsFromOverflowList, 20,                      \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1545
          "The desired number of objects to claim from the overflow list")  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1546
                                                                            \
11396
917d8673b5ef 7121618: Change type of number of GC workers to unsigned int.
jmasa
parents: 11201
diff changeset
  1547
  diagnostic(uintx, ParGCStridesPerThread, 2,                               \
9624
c3657c3324ee 6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents: 9426
diff changeset
  1548
          "The number of strides per worker thread that we divide up the "  \
c3657c3324ee 6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents: 9426
diff changeset
  1549
          "card table scanning work into")                                  \
c3657c3324ee 6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents: 9426
diff changeset
  1550
                                                                            \
c3657c3324ee 6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents: 9426
diff changeset
  1551
  diagnostic(intx, ParGCCardsPerStrideChunk, 256,                           \
c3657c3324ee 6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents: 9426
diff changeset
  1552
          "The number of cards in each chunk of the parallel chunks used "  \
c3657c3324ee 6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents: 9426
diff changeset
  1553
          "during card table scanning")                                     \
c3657c3324ee 6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents: 9426
diff changeset
  1554
                                                                            \
c3657c3324ee 6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents: 9426
diff changeset
  1555
  product(uintx, CMSParPromoteBlocksToClaim, 16,                            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1556
          "Number of blocks to attempt to claim when refilling CMS LAB's "  \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1557
          "for parallel GC")                                                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1558
                                                                            \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1559
  product(uintx, OldPLABWeight, 50,                                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1560
          "Percentage (0-100) used to weight the current sample when "      \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1561
          "computing exponentially decaying average for resizing "          \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1562
          "CMSParPromoteBlocksToClaim")                                     \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1563
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1564
  product(bool, ResizeOldPLAB, true,                                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1565
          "Dynamically resize (old gen) promotion LAB's")                   \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1566
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1567
  product(bool, PrintOldPLAB, false,                                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1568
          "Print (old gen) promotion LAB's sizing decisions")               \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1569
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1570
  product(uintx, CMSOldPLABMin, 16,                                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1571
          "Minimum size of CMS gen promotion LAB caches per worker "        \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1572
          "per block size")                                                 \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1573
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1574
  product(uintx, CMSOldPLABMax, 1024,                                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1575
          "Maximum size of CMS gen promotion LAB caches per worker "        \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1576
          "per block size")                                                 \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1577
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1578
  product(uintx, CMSOldPLABNumRefills, 4,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1579
          "Nominal number of refills of CMS gen promotion LAB cache "       \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1580
          "per worker per block size")                                      \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1581
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1582
  product(bool, CMSOldPLABResizeQuicker, false,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1583
          "React on-the-fly during a scavenge to a sudden "                 \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1584
          "change in block demand rate")                                    \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1585
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1586
  product(uintx, CMSOldPLABToleranceFactor, 4,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1587
          "The tolerance of the phase-change detector for on-the-fly "      \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1588
          "PLAB resizing during a scavenge")                                \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1589
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1590
  product(uintx, CMSOldPLABReactivityFactor, 2,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1591
          "The gain in the feedback loop for on-the-fly PLAB resizing "     \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1592
          "during a scavenge")                                              \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1593
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1594
  product(bool, AlwaysPreTouch, false,                                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1595
          "Force all freshly committed pages to be pre-touched")            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1596
                                                                            \
17392
2f967c0e4246 6843347: Boundary values in some public GC options cause crashes
tschatzl
parents: 17322
diff changeset
  1597
  product_pd(uintx, CMSYoungGenPerWorker,                                   \
8687
264727307495 6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents: 8681
diff changeset
  1598
          "The maximum size of young gen chosen by default per GC worker "  \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1599
          "thread available")                                               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1600
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1601
  product(bool, CMSIncrementalMode, false,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1602
          "Whether CMS GC should operate in \"incremental\" mode")          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1603
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1604
  product(uintx, CMSIncrementalDutyCycle, 10,                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1605
          "Percentage (0-100) of CMS incremental mode duty cycle. If "      \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1606
          "CMSIncrementalPacing is enabled, then this is just the initial " \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1607
          "value.")                                                         \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1608
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1609
  product(bool, CMSIncrementalPacing, true,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1610
          "Whether the CMS incremental mode duty cycle should be "          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1611
          "automatically adjusted")                                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1612
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1613
  product(uintx, CMSIncrementalDutyCycleMin, 0,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1614
          "Minimum percentage (0-100) of the CMS incremental duty cycle "   \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1615
          "used when CMSIncrementalPacing is enabled")                      \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1616
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1617
  product(uintx, CMSIncrementalSafetyFactor, 10,                            \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1618
          "Percentage (0-100) used to add conservatism when computing the " \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1619
          "duty cycle")                                                     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1620
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1621
  product(uintx, CMSIncrementalOffset, 0,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1622
          "Percentage (0-100) by which the CMS incremental mode duty cycle "\
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1623
          "is shifted to the right within the period between young GCs")    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1624
                                                                            \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1625
  product(uintx, CMSExpAvgFactor, 50,                                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1626
          "Percentage (0-100) used to weigh the current sample when "       \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1627
          "computing exponential averages for CMS statistics")              \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1628
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1629
  product(uintx, CMS_FLSWeight, 75,                                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1630
          "Percentage (0-100) used to weigh the current sample when "       \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1631
          "computing exponentially decaying averages for CMS FLS "          \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1632
          "statistics")                                                     \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1633
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1634
  product(uintx, CMS_FLSPadding, 1,                                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1635
          "The multiple of deviation from mean to use for buffering "       \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1636
          "against volatility in free list demand")                         \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1637
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1638
  product(uintx, FLSCoalescePolicy, 2,                                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1639
          "CMS: aggressiveness level for coalescing, increasing "           \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1640
          "from 0 to 4")                                                    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1641
                                                                            \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1642
  product(bool, FLSAlwaysCoalesceLarge, false,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1643
          "CMS: larger free blocks are always available for coalescing")    \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1644
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1645
  product(double, FLSLargestBlockCoalesceProximity, 0.99,                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1646
          "CMS: the smaller the percentage the greater the coalescing "     \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1647
          "force")                                                          \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1648
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1649
  product(double, CMSSmallCoalSurplusPercent, 1.05,                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1650
          "CMS: the factor by which to inflate estimated demand of small "  \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1651
          "block sizes to prevent coalescing with an adjoining block")      \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1652
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1653
  product(double, CMSLargeCoalSurplusPercent, 0.95,                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1654
          "CMS: the factor by which to inflate estimated demand of large "  \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1655
          "block sizes to prevent coalescing with an adjoining block")      \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1656
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1657
  product(double, CMSSmallSplitSurplusPercent, 1.10,                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1658
          "CMS: the factor by which to inflate estimated demand of small "  \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1659
          "block sizes to prevent splitting to supply demand for smaller "  \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1660
          "blocks")                                                         \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1661
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1662
  product(double, CMSLargeSplitSurplusPercent, 1.00,                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1663
          "CMS: the factor by which to inflate estimated demand of large "  \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1664
          "block sizes to prevent splitting to supply demand for smaller "  \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1665
          "blocks")                                                         \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1666
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1667
  product(bool, CMSExtrapolateSweep, false,                                 \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1668
          "CMS: cushion for block demand during sweep")                     \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1669
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1670
  product(uintx, CMS_SweepWeight, 75,                                       \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1671
          "Percentage (0-100) used to weight the current sample when "      \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1672
          "computing exponentially decaying average for inter-sweep "       \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1673
          "duration")                                                       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1674
                                                                            \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1675
  product(uintx, CMS_SweepPadding, 1,                                       \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1676
          "The multiple of deviation from mean to use for buffering "       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1677
          "against volatility in inter-sweep duration")                     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1678
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1679
  product(uintx, CMS_SweepTimerThresholdMillis, 10,                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1680
          "Skip block flux-rate sampling for an epoch unless inter-sweep "  \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1681
          "duration exceeds this threshold in milliseconds")                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1682
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1683
  develop(bool, CMSTraceIncrementalMode, false,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1684
          "Trace CMS incremental mode")                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1685
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1686
  develop(bool, CMSTraceIncrementalPacing, false,                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1687
          "Trace CMS incremental mode pacing computation")                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1688
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1689
  develop(bool, CMSTraceThreadState, false,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1690
          "Trace the CMS thread state (enable the trace_state() method)")   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1691
                                                                            \
15094
80724d2b6f25 8000325: Change default for CMSClassUnloadingEnabled to true
jmasa
parents: 15088
diff changeset
  1692
  product(bool, CMSClassUnloadingEnabled, true,                             \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1693
          "Whether class unloading enabled when using CMS GC")              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1694
                                                                            \
341
6578aad59716 6634032: CMS: Need CMSInitiatingPermOccupancyFraction for perm, divorcing from CMSInitiatingOccupancyFraction
ysr
parents: 188
diff changeset
  1695
  product(uintx, CMSClassUnloadingMaxInterval, 0,                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1696
          "When CMS class unloading is enabled, the maximum CMS cycle "     \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1697
          "count for which classes may not be unloaded")                    \
341
6578aad59716 6634032: CMS: Need CMSInitiatingPermOccupancyFraction for perm, divorcing from CMSInitiatingOccupancyFraction
ysr
parents: 188
diff changeset
  1698
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1699
  product(bool, CMSCompactWhenClearAllSoftRefs, true,                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1700
          "Compact when asked to collect CMS gen with "                     \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1701
          "clear_all_soft_refs()")                                          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1702
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1703
  product(bool, UseCMSCompactAtFullCollection, true,                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1704
          "Use Mark-Sweep-Compact algorithm at full collections")           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1705
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1706
  product(uintx, CMSFullGCsBeforeCompaction, 0,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1707
          "Number of CMS full collection done before compaction if > 0")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1708
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1709
  develop(intx, CMSDictionaryChoice, 0,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1710
          "Use BinaryTreeDictionary as default in the CMS generation")      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1711
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1712
  product(uintx, CMSIndexedFreeListReplenish, 4,                            \
13925
37f75ba502b1 8000351: Tenuring threshold should be unsigned
jwilhelm
parents: 13924
diff changeset
  1713
          "Replenish an indexed free list with this number of chunks")      \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1714
                                                                            \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1715
  product(bool, CMSReplenishIntermediate, true,                             \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1716
          "Replenish all intermediate free-list caches")                    \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1717
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1718
  product(bool, CMSSplitIndexedFreeListBlocks, true,                        \
6447
32cc5cad7fa6 6983930: CMS: Various small cleanups ca September 2010
ysr
parents: 6419
diff changeset
  1719
          "When satisfying batched demand, split blocks from the "          \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1720
          "IndexedFreeList whose size is a multiple of requested size")     \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1721
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1722
  product(bool, CMSLoopWarn, false,                                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1723
          "Warn in case of excessive CMS looping")                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1724
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1725
  develop(bool, CMSOverflowEarlyRestoration, false,                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1726
          "Restore preserved marks early")                                  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1727
                                                                            \
5035
0e498c4df637 6928081: G1: rename parameters common with CMS
jmasa
parents: 5034
diff changeset
  1728
  product(uintx, MarkStackSize, NOT_LP64(32*K) LP64_ONLY(4*M),              \
0e498c4df637 6928081: G1: rename parameters common with CMS
jmasa
parents: 5034
diff changeset
  1729
          "Size of marking stack")                                          \
0e498c4df637 6928081: G1: rename parameters common with CMS
jmasa
parents: 5034
diff changeset
  1730
                                                                            \
0e498c4df637 6928081: G1: rename parameters common with CMS
jmasa
parents: 5034
diff changeset
  1731
  product(uintx, MarkStackSizeMax, NOT_LP64(4*M) LP64_ONLY(512*M),          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1732
          "Maximum size of marking stack")                                  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1733
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1734
  notproduct(bool, CMSMarkStackOverflowALot, false,                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1735
          "Simulate frequent marking stack / work queue overflow")          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1736
                                                                            \
1910
386106352d02 6786503: Overflow list performance can be improved
ysr
parents: 1890
diff changeset
  1737
  notproduct(uintx, CMSMarkStackOverflowInterval, 1000,                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1738
          "An \"interval\" counter that determines how frequently "         \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1739
          "to simulate overflow; a smaller number increases frequency")     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1740
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1741
  product(uintx, CMSMaxAbortablePrecleanLoops, 0,                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1742
          "(Temporary, subject to experimentation) "                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1743
          "Maximum number of abortable preclean iterations, if > 0")        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1744
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1745
  product(intx, CMSMaxAbortablePrecleanTime, 5000,                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1746
          "(Temporary, subject to experimentation) "                        \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1747
          "Maximum time in abortable preclean (in milliseconds)")           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1748
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1749
  product(uintx, CMSAbortablePrecleanMinWorkPerIteration, 100,              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1750
          "(Temporary, subject to experimentation) "                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1751
          "Nominal minimum work per abortable preclean iteration")          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1752
                                                                            \
6984
c6718f921eb6 6992998: CMSWaitDuration=0 causes hangs with +ExplicitGCInvokesConcurrent
ysr
parents: 6769
diff changeset
  1753
  manageable(intx, CMSAbortablePrecleanWaitMillis, 100,                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1754
          "(Temporary, subject to experimentation) "                        \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1755
          "Time that we sleep between iterations when not given "           \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1756
          "enough work per iteration")                                      \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1757
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1758
  product(uintx, CMSRescanMultiple, 32,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1759
          "Size (in cards) of CMS parallel rescan task")                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1760
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1761
  product(uintx, CMSConcMarkMultiple, 32,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1762
          "Size (in cards) of CMS concurrent MT marking task")              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1763
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1764
  product(bool, CMSAbortSemantics, false,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1765
          "Whether abort-on-overflow semantics is implemented")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1766
                                                                            \
18996
05c86e558c94 6412968: CMS Long initial mark pauses
jmasa
parents: 18994
diff changeset
  1767
  product(bool, CMSParallelInitialMarkEnabled, true,                        \
05c86e558c94 6412968: CMS Long initial mark pauses
jmasa
parents: 18994
diff changeset
  1768
          "Use the parallel initial mark.")                                 \
05c86e558c94 6412968: CMS Long initial mark pauses
jmasa
parents: 18994
diff changeset
  1769
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1770
  product(bool, CMSParallelRemarkEnabled, true,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1771
          "Whether parallel remark enabled (only if ParNewGC)")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1772
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1773
  product(bool, CMSParallelSurvivorRemarkEnabled, true,                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1774
          "Whether parallel remark of survivor space "                      \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1775
          "enabled (effective only if CMSParallelRemarkEnabled)")           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1776
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1777
  product(bool, CMSPLABRecordAlways, true,                                  \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1778
          "Always record survivor space PLAB boundaries (effective only "   \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1779
          "if CMSParallelSurvivorRemarkEnabled)")                           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1780
                                                                            \
18994
d32a17b7502c 6990419: CMS Remaining work for 6572569: consistently skewed work distribution in (long) re-mark pauses
jmasa
parents: 18703
diff changeset
  1781
  product(bool, CMSEdenChunksRecordAlways, true,                            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1782
          "Always record eden chunks used for the parallel initial mark "   \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1783
          "or remark of eden")                                              \
18994
d32a17b7502c 6990419: CMS Remaining work for 6572569: consistently skewed work distribution in (long) re-mark pauses
jmasa
parents: 18703
diff changeset
  1784
                                                                            \
d32a17b7502c 6990419: CMS Remaining work for 6572569: consistently skewed work distribution in (long) re-mark pauses
jmasa
parents: 18703
diff changeset
  1785
  product(bool, CMSPrintEdenSurvivorChunks, false,                          \
d32a17b7502c 6990419: CMS Remaining work for 6572569: consistently skewed work distribution in (long) re-mark pauses
jmasa
parents: 18703
diff changeset
  1786
          "Print the eden and the survivor chunks used for the parallel "   \
d32a17b7502c 6990419: CMS Remaining work for 6572569: consistently skewed work distribution in (long) re-mark pauses
jmasa
parents: 18703
diff changeset
  1787
          "initial mark or remark of the eden/survivor spaces")             \
d32a17b7502c 6990419: CMS Remaining work for 6572569: consistently skewed work distribution in (long) re-mark pauses
jmasa
parents: 18703
diff changeset
  1788
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1789
  product(bool, CMSConcurrentMTEnabled, true,                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1790
          "Whether multi-threaded concurrent work enabled "                 \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1791
          "(effective only if ParNewGC)")                                   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1792
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1793
  product(bool, CMSPrecleaningEnabled, true,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1794
          "Whether concurrent precleaning enabled")                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1795
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1796
  product(uintx, CMSPrecleanIter, 3,                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1797
          "Maximum number of precleaning iteration passes")                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1798
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1799
  product(uintx, CMSPrecleanNumerator, 2,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1800
          "CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence " \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1801
          "ratio")                                                          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1802
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1803
  product(uintx, CMSPrecleanDenominator, 3,                                 \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1804
          "CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence " \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1805
          "ratio")                                                          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1806
                                                                            \
1605
6b43d186eb8d 6722113: CMS: Incorrect overflow handling during precleaning of Reference lists
ysr
parents: 1562
diff changeset
  1807
  product(bool, CMSPrecleanRefLists1, true,                                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1808
          "Preclean ref lists during (initial) preclean phase")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1809
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1810
  product(bool, CMSPrecleanRefLists2, false,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1811
          "Preclean ref lists during abortable preclean phase")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1812
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1813
  product(bool, CMSPrecleanSurvivors1, false,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1814
          "Preclean survivors during (initial) preclean phase")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1815
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1816
  product(bool, CMSPrecleanSurvivors2, true,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1817
          "Preclean survivors during abortable preclean phase")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1818
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1819
  product(uintx, CMSPrecleanThreshold, 1000,                                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1820
          "Do not iterate again if number of dirty cards is less than this")\
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1821
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1822
  product(bool, CMSCleanOnEnter, true,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1823
          "Clean-on-enter optimization for reducing number of dirty cards") \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1824
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1825
  product(uintx, CMSRemarkVerifyVariant, 1,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1826
          "Choose variant (1,2) of verification following remark")          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1827
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1828
  product(uintx, CMSScheduleRemarkEdenSizeThreshold, 2*M,                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1829
          "If Eden size is below this, do not try to schedule remark")      \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1830
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1831
  product(uintx, CMSScheduleRemarkEdenPenetration, 50,                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1832
          "The Eden occupancy percentage (0-100) at which "                 \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1833
          "to try and schedule remark pause")                               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1834
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1835
  product(uintx, CMSScheduleRemarkSamplingRatio, 5,                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1836
          "Start sampling eden top at least before young gen "              \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1837
          "occupancy reaches 1/<ratio> of the size at which "               \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1838
          "we plan to schedule remark")                                     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1839
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1840
  product(uintx, CMSSamplingGrain, 16*K,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1841
          "The minimum distance between eden samples for CMS (see above)")  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1842
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1843
  product(bool, CMSScavengeBeforeRemark, false,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1844
          "Attempt scavenge before the CMS remark step")                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1845
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1846
  develop(bool, CMSTraceSweeper, false,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1847
          "Trace some actions of the CMS sweeper")                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1848
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1849
  product(uintx, CMSWorkQueueDrainThreshold, 10,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1850
          "Don't drain below this size per parallel worker/thief")          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1851
                                                                            \
6984
c6718f921eb6 6992998: CMSWaitDuration=0 causes hangs with +ExplicitGCInvokesConcurrent
ysr
parents: 6769
diff changeset
  1852
  manageable(intx, CMSWaitDuration, 2000,                                   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1853
          "Time in milliseconds that CMS thread waits for young GC")        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1854
                                                                            \
15859
b8d7620fb179 7189971: Implement CMSWaitDuration for non-incremental mode of CMS
jmasa
parents: 15610
diff changeset
  1855
  develop(uintx, CMSCheckInterval, 1000,                                    \
b8d7620fb179 7189971: Implement CMSWaitDuration for non-incremental mode of CMS
jmasa
parents: 15610
diff changeset
  1856
          "Interval in milliseconds that CMS thread checks if it "          \
b8d7620fb179 7189971: Implement CMSWaitDuration for non-incremental mode of CMS
jmasa
parents: 15610
diff changeset
  1857
          "should start a collection cycle")                                \
b8d7620fb179 7189971: Implement CMSWaitDuration for non-incremental mode of CMS
jmasa
parents: 15610
diff changeset
  1858
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1859
  product(bool, CMSYield, true,                                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1860
          "Yield between steps of CMS")                                     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1861
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1862
  product(uintx, CMSBitMapYieldQuantum, 10*M,                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1863
          "Bitmap operations should process at most this many bits "        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1864
          "between yields")                                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1865
                                                                            \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1866
  product(bool, CMSDumpAtPromotionFailure, false,                           \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1867
          "Dump useful information about the state of the CMS old "         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1868
          "generation upon a promotion failure")                            \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1869
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1870
  product(bool, CMSPrintChunksInDump, false,                                \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1871
          "In a dump enabled by CMSDumpAtPromotionFailure, include "        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1872
          "more detailed information about the free chunks")                \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1873
                                                                            \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1874
  product(bool, CMSPrintObjectsInDump, false,                               \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1875
          "In a dump enabled by CMSDumpAtPromotionFailure, include "        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1876
          "more detailed information about the allocated objects")          \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1877
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1878
  diagnostic(bool, FLSVerifyAllHeapReferences, false,                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1879
          "Verify that all references across the FLS boundary "             \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1880
          "are to valid objects")                                           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1881
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1882
  diagnostic(bool, FLSVerifyLists, false,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1883
          "Do lots of (expensive) FreeListSpace verification")              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1884
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1885
  diagnostic(bool, FLSVerifyIndexTable, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1886
          "Do lots of (expensive) FLS index table verification")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1887
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1888
  develop(bool, FLSVerifyDictionary, false,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1889
          "Do lots of (expensive) FLS dictionary verification")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1890
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1891
  develop(bool, VerifyBlockOffsetArray, false,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1892
          "Do (expensive) block offset array verification")                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1893
                                                                            \
9422
e3c824172b61 7040068: CMS: Possibly unsafe initialization of BlockOffsetArrayUseUnallocatedBlock
brutisso
parents: 9182
diff changeset
  1894
  diagnostic(bool, BlockOffsetArrayUseUnallocatedBlock, false,              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1895
          "Maintain _unallocated_block in BlockOffsetArray "                \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1896
          "(currently applicable only to CMS collector)")                   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1897
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1898
  develop(bool, TraceCMSState, false,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1899
          "Trace the state of the CMS collection")                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1900
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1901
  product(intx, RefDiscoveryPolicy, 0,                                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1902
          "Select type of reference discovery policy: "                     \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1903
          "reference-based(0) or referent-based(1)")                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1904
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1905
  product(bool, ParallelRefProcEnabled, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1906
          "Enable parallel reference processing whenever possible")         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1907
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1908
  product(bool, ParallelRefProcBalancingEnabled, true,                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1909
          "Enable balancing of reference processing queues")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1910
                                                                            \
15605
bf7de87bbe3a 8006432: Ratio flags should be unsigned
jwilhelm
parents: 15604
diff changeset
  1911
  product(uintx, CMSTriggerRatio, 80,                                       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1912
          "Percentage of MinHeapFreeRatio in CMS generation that is "       \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1913
          "allocated before a CMS collection cycle commences")              \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1914
                                                                            \
341
6578aad59716 6634032: CMS: Need CMSInitiatingPermOccupancyFraction for perm, divorcing from CMSInitiatingOccupancyFraction
ysr
parents: 188
diff changeset
  1915
  product(uintx, CMSBootstrapOccupancy, 50,                                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1916
          "Percentage CMS generation occupancy at which to "                \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1917
          "initiate CMS collection for bootstrapping collection stats")     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1918
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1919
  product(intx, CMSInitiatingOccupancyFraction, -1,                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1920
          "Percentage CMS generation occupancy to start a CMS collection "  \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1921
          "cycle. A negative value means that CMSTriggerRatio is used")     \
341
6578aad59716 6634032: CMS: Need CMSInitiatingPermOccupancyFraction for perm, divorcing from CMSInitiatingOccupancyFraction
ysr
parents: 188
diff changeset
  1922
                                                                            \
5034
a1cec6310394 6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents: 4759
diff changeset
  1923
  product(uintx, InitiatingHeapOccupancyPercent, 45,                        \
a1cec6310394 6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents: 4759
diff changeset
  1924
          "Percentage of the (entire) heap occupancy to start a "           \
15604
0209977cd9c4 7052429: G1: Avoid unnecessary scanning of humongous regions during concurrent marking
johnc
parents: 15221
diff changeset
  1925
          "concurrent GC cycle. It is used by GCs that trigger a "          \
5034
a1cec6310394 6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents: 4759
diff changeset
  1926
          "concurrent GC cycle based on the occupancy of the entire heap, " \
a1cec6310394 6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents: 4759
diff changeset
  1927
          "not just one of the generations (e.g., G1). A value of 0 "       \
a1cec6310394 6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents: 4759
diff changeset
  1928
          "denotes 'do constant GC cycles'.")                               \
a1cec6310394 6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents: 4759
diff changeset
  1929
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1930
  product(bool, UseCMSInitiatingOccupancyOnly, false,                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1931
          "Only use occupancy as a criterion for starting a CMS collection")\
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1932
                                                                            \
17392
2f967c0e4246 6843347: Boundary values in some public GC options cause crashes
tschatzl
parents: 17322
diff changeset
  1933
  product(uintx, CMSIsTooFullPercentage, 98,                                \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1934
          "An absolute ceiling above which CMS will always consider the "   \
15101
58d43bf04c45 8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents: 14835
diff changeset
  1935
          "unloading of classes when class unloading is enabled")           \
341
6578aad59716 6634032: CMS: Need CMSInitiatingPermOccupancyFraction for perm, divorcing from CMSInitiatingOccupancyFraction
ysr
parents: 188
diff changeset
  1936
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1937
  develop(bool, CMSTestInFreeList, false,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1938
          "Check if the coalesced range is already in the "                 \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  1939
          "free lists as claimed")                                          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1940
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1941
  notproduct(bool, CMSVerifyReturnedBytes, false,                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1942
          "Check that all the garbage collected was returned to the "       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1943
          "free lists")                                                     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1944
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1945
  notproduct(bool, ScavengeALot, false,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1946
          "Force scavenge at every Nth exit from the runtime system "       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1947
          "(N=ScavengeALotInterval)")                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1948
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1949
  develop(bool, FullGCALot, false,                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1950
          "Force full gc at every Nth exit from the runtime system "        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1951
          "(N=FullGCALotInterval)")                                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1952
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1953
  notproduct(bool, GCALotAtAllSafepoints, false,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1954
          "Enforce ScavengeALot/GCALot at all potential safepoints")        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1955
                                                                            \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1956
  product(bool, PrintPromotionFailure, false,                               \
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1957
          "Print additional diagnostic information following "              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1958
          "promotion failure")                                              \
4574
b2d5b0975515 6631166: CMS: better heuristics when combatting fragmentation
ysr
parents: 4434
diff changeset
  1959
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1960
  notproduct(bool, PromotionFailureALot, false,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1961
          "Use promotion failure handling on every youngest generation "    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1962
          "collection")                                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1963
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1964
  develop(uintx, PromotionFailureALotCount, 1000,                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1965
          "Number of promotion failures occurring at ParGCAllocBuffer "     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1966
          "refill attempts (ParNew) or promotion attempts "                 \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1967
          "(other young collectors)")                                       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1968
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1969
  develop(uintx, PromotionFailureALotInterval, 5,                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1970
          "Total collections between promotion failures alot")              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1971
                                                                            \
17392
2f967c0e4246 6843347: Boundary values in some public GC options cause crashes
tschatzl
parents: 17322
diff changeset
  1972
  experimental(uintx, WorkStealingSleepMillis, 1,                           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1973
          "Sleep time when sleep is used for yields")                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1974
                                                                            \
8925
5fdd1d28e7ef 6948149: G1: Imbalance in termination times
brutisso
parents: 8728
diff changeset
  1975
  experimental(uintx, WorkStealingYieldsBeforeSleep, 5000,                  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1976
          "Number of yields before a sleep is done during workstealing")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1977
                                                                            \
6763
711b8a44c4dd 6692906: CMS: parallel concurrent marking may be prone to hanging or stalling mutators for periods of time
ysr
parents: 6762
diff changeset
  1978
  experimental(uintx, WorkStealingHardSpins, 4096,                          \
2010
c13462bbad17 6690928: Use spinning in combination with yields for workstealing termination.
jmasa
parents: 2005
diff changeset
  1979
          "Number of iterations in a spin loop between checks on "          \
c13462bbad17 6690928: Use spinning in combination with yields for workstealing termination.
jmasa
parents: 2005
diff changeset
  1980
          "time out of hard spin")                                          \
c13462bbad17 6690928: Use spinning in combination with yields for workstealing termination.
jmasa
parents: 2005
diff changeset
  1981
                                                                            \
6763
711b8a44c4dd 6692906: CMS: parallel concurrent marking may be prone to hanging or stalling mutators for periods of time
ysr
parents: 6762
diff changeset
  1982
  experimental(uintx, WorkStealingSpinToYieldRatio, 10,                     \
2010
c13462bbad17 6690928: Use spinning in combination with yields for workstealing termination.
jmasa
parents: 2005
diff changeset
  1983
          "Ratio of hard spins to calls to yield")                          \
c13462bbad17 6690928: Use spinning in combination with yields for workstealing termination.
jmasa
parents: 2005
diff changeset
  1984
                                                                            \
5076
8b74a4b60b31 4396719: Mark Sweep stack overflow on deeply nested Object arrays
jcoomes
parents: 5039
diff changeset
  1985
  develop(uintx, ObjArrayMarkingStride, 512,                                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1986
          "Number of object array elements to push onto the marking stack " \
5076
8b74a4b60b31 4396719: Mark Sweep stack overflow on deeply nested Object arrays
jcoomes
parents: 5039
diff changeset
  1987
          "before pushing a continuation entry")                            \
8b74a4b60b31 4396719: Mark Sweep stack overflow on deeply nested Object arrays
jcoomes
parents: 5039
diff changeset
  1988
                                                                            \
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  1989
  develop(bool, MetadataAllocationFailALot, false,                          \
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  1990
          "Fail metadata allocations at intervals controlled by "           \
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  1991
          "MetadataAllocationFailALotInterval")                             \
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  1992
                                                                            \
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  1993
  develop(uintx, MetadataAllocationFailALotInterval, 1000,                  \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  1994
          "Metadata allocation failure a lot interval")                     \
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  1995
                                                                            \
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  1996
  develop(bool, TraceMetadataChunkAllocation, false,                        \
15101
58d43bf04c45 8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents: 14835
diff changeset
  1997
          "Trace chunk metadata allocations")                               \
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  1998
                                                                            \
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  1999
  product(bool, TraceMetadataHumongousAllocation, false,                    \
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  2000
          "Trace humongous metadata allocations")                           \
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  2001
                                                                            \
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  2002
  develop(bool, TraceMetavirtualspaceAllocation, false,                     \
15101
58d43bf04c45 8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents: 14835
diff changeset
  2003
          "Trace virtual space metadata allocations")                       \
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  2004
                                                                            \
10002
2d83be3a0927 7016112: CMS: crash during promotion testing
brutisso
parents: 9990
diff changeset
  2005
  notproduct(bool, ExecuteInternalVMTests, false,                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2006
          "Enable execution of internal VM tests")                          \
10002
2d83be3a0927 7016112: CMS: crash during promotion testing
brutisso
parents: 9990
diff changeset
  2007
                                                                            \
19546
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents: 19319
diff changeset
  2008
  notproduct(bool, VerboseInternalVMTests, false,                           \
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents: 19319
diff changeset
  2009
          "Turn on logging for internal VM tests.")                         \
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents: 19319
diff changeset
  2010
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2011
  product_pd(bool, UseTLAB, "Use thread-local object allocation")           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2012
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2013
  product_pd(bool, ResizeTLAB,                                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2014
          "Dynamically resize TLAB size for threads")                       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2015
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2016
  product(bool, ZeroTLAB, false,                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2017
          "Zero out the newly created TLAB")                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2018
                                                                            \
1374
4c24294029a9 6711316: Open source the Garbage-First garbage collector
ysr
parents: 389
diff changeset
  2019
  product(bool, FastTLABRefill, true,                                       \
4c24294029a9 6711316: Open source the Garbage-First garbage collector
ysr
parents: 389
diff changeset
  2020
          "Use fast TLAB refill code")                                      \
4c24294029a9 6711316: Open source the Garbage-First garbage collector
ysr
parents: 389
diff changeset
  2021
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2022
  product(bool, PrintTLAB, false,                                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2023
          "Print various TLAB related information")                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2024
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2025
  product(bool, TLABStats, true,                                            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2026
          "Provide more detailed and expensive TLAB statistics "            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2027
          "(with PrintTLAB)")                                               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2028
                                                                            \
8107
78e5bd944384 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 8076
diff changeset
  2029
  EMBEDDED_ONLY(product(bool, LowMemoryProtection, true,                    \
78e5bd944384 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 8076
diff changeset
  2030
          "Enable LowMemoryProtection"))                                    \
78e5bd944384 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 8076
diff changeset
  2031
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2032
  product_pd(bool, NeverActAsServerClassMachine,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2033
          "Never act like a server-class machine")                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2034
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2035
  product(bool, AlwaysActAsServerClassMachine, false,                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2036
          "Always act like a server-class machine")                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2037
                                                                            \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2038
  product_pd(uint64_t, MaxRAM,                                              \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2039
          "Real memory size (in bytes) used to set maximum heap size")      \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2040
                                                                            \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2041
  product(uintx, ErgoHeapSizeLimit, 0,                                      \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2042
          "Maximum ergonomically set heap size (in bytes); zero means use " \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2043
          "MaxRAM / MaxRAMFraction")                                        \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2044
                                                                            \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2045
  product(uintx, MaxRAMFraction, 4,                                         \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2046
          "Maximum fraction (1/n) of real memory used for maximum heap "    \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2047
          "size")                                                           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2048
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2049
  product(uintx, DefaultMaxRAMFraction, 4,                                  \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2050
          "Maximum fraction (1/n) of real memory used for maximum heap "    \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2051
          "size; deprecated: to be renamed to MaxRAMFraction")              \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2052
                                                                            \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2053
  product(uintx, MinRAMFraction, 2,                                         \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2054
          "Minimum fraction (1/n) of real memory used for maxmimum heap "   \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2055
          "size on systems with small physical memory size")                \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2056
                                                                            \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2057
  product(uintx, InitialRAMFraction, 64,                                    \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2058
          "Fraction (1/n) of real memory used for initial heap size")       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2059
                                                                            \
16605
ba13efd453bc 7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents: 16604
diff changeset
  2060
  develop(uintx, MaxVirtMemFraction, 2,                                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2061
          "Maximum fraction (1/n) of virtual memory used for ergonomically "\
16605
ba13efd453bc 7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents: 16604
diff changeset
  2062
          "determining maximum heap size")                                  \
ba13efd453bc 7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents: 16604
diff changeset
  2063
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2064
  product(bool, UseAutoGCSelectPolicy, false,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2065
          "Use automatic collection selection policy")                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2066
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2067
  product(uintx, AutoGCSelectPauseMillis, 5000,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2068
          "Automatic GC selection pause threshold in milliseconds")         \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2069
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2070
  product(bool, UseAdaptiveSizePolicy, true,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2071
          "Use adaptive generation sizing policies")                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2072
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2073
  product(bool, UsePSAdaptiveSurvivorSizePolicy, true,                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2074
          "Use adaptive survivor sizing policies")                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2075
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2076
  product(bool, UseAdaptiveGenerationSizePolicyAtMinorCollection, true,     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2077
          "Use adaptive young-old sizing policies at minor collections")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2078
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2079
  product(bool, UseAdaptiveGenerationSizePolicyAtMajorCollection, true,     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2080
          "Use adaptive young-old sizing policies at major collections")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2081
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2082
  product(bool, UseAdaptiveSizePolicyWithSystemGC, false,                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2083
          "Include statistics from System.gc() for adaptive size policy")   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2084
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2085
  product(bool, UseAdaptiveGCBoundary, false,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2086
          "Allow young-old boundary to move")                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2087
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2088
  develop(bool, TraceAdaptiveGCBoundary, false,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2089
          "Trace young-old boundary moves")                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2090
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2091
  develop(intx, PSAdaptiveSizePolicyResizeVirtualSpaceAlot, -1,             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2092
          "Resize the virtual spaces of the young or old generations")      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2093
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2094
  product(uintx, AdaptiveSizeThroughPutPolicy, 0,                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2095
          "Policy for changing generation size for throughput goals")       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2096
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2097
  product(uintx, AdaptiveSizePausePolicy, 0,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2098
          "Policy for changing generation size for pause goals")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2099
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2100
  develop(bool, PSAdjustTenuredGenForMinorPause, false,                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2101
          "Adjust tenured generation to achieve a minor pause goal")        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2102
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2103
  develop(bool, PSAdjustYoungGenForMajorPause, false,                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2104
          "Adjust young generation to achieve a major pause goal")          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2105
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2106
  product(uintx, AdaptiveSizePolicyInitializingSteps, 20,                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2107
          "Number of steps where heuristics is used before data is used")   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2108
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2109
  develop(uintx, AdaptiveSizePolicyReadyThreshold, 5,                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2110
          "Number of collections before the adaptive sizing is started")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2111
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2112
  product(uintx, AdaptiveSizePolicyOutputInterval, 0,                       \
17392
2f967c0e4246 6843347: Boundary values in some public GC options cause crashes
tschatzl
parents: 17322
diff changeset
  2113
          "Collection interval for printing information; zero means never") \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2114
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2115
  product(bool, UseAdaptiveSizePolicyFootprintGoal, true,                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2116
          "Use adaptive minimum footprint as a goal")                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2117
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2118
  product(uintx, AdaptiveSizePolicyWeight, 10,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2119
          "Weight given to exponential resizing, between 0 and 100")        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2120
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2121
  product(uintx, AdaptiveTimeWeight,       25,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2122
          "Weight given to time in adaptive policy, between 0 and 100")     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2123
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2124
  product(uintx, PausePadding, 1,                                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2125
          "How much buffer to keep for pause time")                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2126
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2127
  product(uintx, PromotedPadding, 3,                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2128
          "How much buffer to keep for promotion failure")                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2129
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2130
  product(uintx, SurvivorPadding, 3,                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2131
          "How much buffer to keep for survivor overflow")                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2132
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2133
  product(uintx, ThresholdTolerance, 10,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2134
          "Allowed collection cost difference between generations")         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2135
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2136
  product(uintx, AdaptiveSizePolicyCollectionCostMargin, 50,                \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2137
          "If collection costs are within margin, reduce both by full "     \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2138
          "delta")                                                          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2139
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2140
  product(uintx, YoungGenerationSizeIncrement, 20,                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2141
          "Adaptive size percentage change in young generation")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2142
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2143
  product(uintx, YoungGenerationSizeSupplement, 80,                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2144
          "Supplement to YoungedGenerationSizeIncrement used at startup")   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2145
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2146
  product(uintx, YoungGenerationSizeSupplementDecay, 8,                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2147
          "Decay factor to YoungedGenerationSizeSupplement")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2148
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2149
  product(uintx, TenuredGenerationSizeIncrement, 20,                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2150
          "Adaptive size percentage change in tenured generation")          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2151
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2152
  product(uintx, TenuredGenerationSizeSupplement, 80,                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2153
          "Supplement to TenuredGenerationSizeIncrement used at startup")   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2154
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2155
  product(uintx, TenuredGenerationSizeSupplementDecay, 2,                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2156
          "Decay factor to TenuredGenerationSizeIncrement")                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2157
                                                                            \
13925
37f75ba502b1 8000351: Tenuring threshold should be unsigned
jwilhelm
parents: 13924
diff changeset
  2158
  product(uintx, MaxGCPauseMillis, max_uintx,                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2159
          "Adaptive size policy maximum GC pause time goal in millisecond, "\
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2160
          "or (G1 Only) the maximum GC time per MMU time slice")            \
2741
34e2a243d69a 6490395: G1: Tidy up command line flags.
johnc
parents: 2570
diff changeset
  2161
                                                                            \
5890
5766abbf8789 6949307: G1: raise a vm error, do not core dump, if target pause time and target interval are inconsistent
tonyp
parents: 5712
diff changeset
  2162
  product(uintx, GCPauseIntervalMillis, 0,                                  \
2741
34e2a243d69a 6490395: G1: Tidy up command line flags.
johnc
parents: 2570
diff changeset
  2163
          "Time slice for MMU specification")                               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2164
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2165
  product(uintx, MaxGCMinorPauseMillis, max_uintx,                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2166
          "Adaptive size policy maximum GC minor pause time goal "          \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2167
          "in millisecond")                                                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2168
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2169
  product(uintx, GCTimeRatio, 99,                                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2170
          "Adaptive size policy application time to GC time ratio")         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2171
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2172
  product(uintx, AdaptiveSizeDecrementScaleFactor, 4,                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2173
          "Adaptive size scale down factor for shrinking")                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2174
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2175
  product(bool, UseAdaptiveSizeDecayMajorGCCost, true,                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2176
          "Adaptive size decays the major cost for long major intervals")   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2177
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2178
  product(uintx, AdaptiveSizeMajorGCDecayTimeScale, 10,                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2179
          "Time scale over which major costs decay")                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2180
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2181
  product(uintx, MinSurvivorRatio, 3,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2182
          "Minimum ratio of young generation/survivor space size")          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2183
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2184
  product(uintx, InitialSurvivorRatio, 8,                                   \
20726
24d58c45500d 8024632: Description of InitialSurvivorRatio flag in globals.hpp is incorrect
pliden
parents: 20720
diff changeset
  2185
          "Initial ratio of young generation/survivor space size")          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2186
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2187
  product(uintx, BaseFootPrintEstimate, 256*M,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2188
          "Estimate of footprint other than Java Heap")                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2189
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2190
  product(bool, UseGCOverheadLimit, true,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2191
          "Use policy to limit of proportion of time spent in GC "          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2192
          "before an OutOfMemory error is thrown")                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2193
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2194
  product(uintx, GCTimeLimit, 98,                                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2195
          "Limit of the proportion of time spent in GC before "             \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2196
          "an OutOfMemoryError is thrown (used with GCHeapFreeLimit)")      \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2197
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2198
  product(uintx, GCHeapFreeLimit, 2,                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2199
          "Minimum percentage of free space after a full GC before an "     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2200
          "OutOfMemoryError is thrown (used with GCTimeLimit)")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2201
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2202
  develop(uintx, AdaptiveSizePolicyGCTimeLimitThreshold, 5,                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2203
          "Number of consecutive collections before gc time limit fires")   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2204
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2205
  product(bool, PrintAdaptiveSizePolicy, false,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2206
          "Print information about AdaptiveSizePolicy")                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2207
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2208
  product(intx, PrefetchCopyIntervalInBytes, -1,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2209
          "How far ahead to prefetch destination area (<= 0 means off)")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2210
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2211
  product(intx, PrefetchScanIntervalInBytes, -1,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2212
          "How far ahead to prefetch scan area (<= 0 means off)")           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2213
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2214
  product(intx, PrefetchFieldsAhead, -1,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2215
          "How many fields ahead to prefetch in oop scan (<= 0 means off)") \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2216
                                                                            \
17112
e49af4ba7755 8013132: Add a flag to turn off the output of the verbose verification code
stefank
parents: 16682
diff changeset
  2217
  diagnostic(bool, VerifySilently, false,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2218
          "Do not print the verification progress")                         \
17112
e49af4ba7755 8013132: Add a flag to turn off the output of the verbose verification code
stefank
parents: 16682
diff changeset
  2219
                                                                            \
16680
960505df90e7 8011343: Add new flag for verifying the heap during startup
johnc
parents: 16631
diff changeset
  2220
  diagnostic(bool, VerifyDuringStartup, false,                              \
960505df90e7 8011343: Add new flag for verifying the heap during startup
johnc
parents: 16631
diff changeset
  2221
          "Verify memory system before executing any Java code "            \
960505df90e7 8011343: Add new flag for verifying the heap during startup
johnc
parents: 16631
diff changeset
  2222
          "during VM initialization")                                       \
960505df90e7 8011343: Add new flag for verifying the heap during startup
johnc
parents: 16631
diff changeset
  2223
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2224
  diagnostic(bool, VerifyBeforeExit, trueInDebug,                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2225
          "Verify system before exiting")                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2226
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2227
  diagnostic(bool, VerifyBeforeGC, false,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2228
          "Verify memory system before GC")                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2229
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2230
  diagnostic(bool, VerifyAfterGC, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2231
          "Verify memory system after GC")                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2232
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2233
  diagnostic(bool, VerifyDuringGC, false,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2234
          "Verify memory system during GC (between phases)")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2235
                                                                            \
1422
9af8f4023912 6752248: G1: introduce parallel heap verification
tonyp
parents: 1421
diff changeset
  2236
  diagnostic(bool, GCParallelVerificationEnabled, true,                     \
9af8f4023912 6752248: G1: introduce parallel heap verification
tonyp
parents: 1421
diff changeset
  2237
          "Enable parallel memory system verification")                     \
9af8f4023912 6752248: G1: introduce parallel heap verification
tonyp
parents: 1421
diff changeset
  2238
                                                                            \
4637
af4d405aacc1 6896647: card marks can be deferred too long
ysr
parents: 4575
diff changeset
  2239
  diagnostic(bool, DeferInitialCardMark, false,                             \
af4d405aacc1 6896647: card marks can be deferred too long
ysr
parents: 4575
diff changeset
  2240
          "When +ReduceInitialCardMarks, explicitly defer any that "        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2241
          "may arise from new_pre_store_barrier")                           \
4637
af4d405aacc1 6896647: card marks can be deferred too long
ysr
parents: 4575
diff changeset
  2242
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2243
  diagnostic(bool, VerifyRememberedSets, false,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2244
          "Verify GC remembered sets")                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2245
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2246
  diagnostic(bool, VerifyObjectStartArray, true,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2247
          "Verify GC object start array if verify before/after")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2248
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2249
  product(bool, DisableExplicitGC, false,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2250
          "Ignore calls to System.gc()")                                    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2251
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2252
  notproduct(bool, CheckMemoryInitialization, false,                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2253
          "Check memory initialization")                                    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2254
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2255
  product(bool, CollectGen0First, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2256
          "Collect youngest generation before each full GC")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2257
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2258
  diagnostic(bool, BindCMSThreadToCPU, false,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2259
          "Bind CMS Thread to CPU if possible")                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2260
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2261
  diagnostic(uintx, CPUForCMSThread, 0,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2262
          "When BindCMSThreadToCPU is true, the CPU to bind CMS thread to") \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2263
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2264
  product(bool, BindGCTaskThreadsToCPUs, false,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2265
          "Bind GCTaskThreads to CPUs if possible")                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2266
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2267
  product(bool, UseGCTaskAffinity, false,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2268
          "Use worker affinity when asking for GCTasks")                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2269
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2270
  product(uintx, ProcessDistributionStride, 4,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2271
          "Stride through processors when distributing processes")          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2272
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2273
  product(uintx, CMSCoordinatorYieldSleepCount, 10,                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2274
          "Number of times the coordinator GC thread will sleep while "     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2275
          "yielding before giving up and resuming GC")                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2276
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2277
  product(uintx, CMSYieldSleepCount, 0,                                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2278
          "Number of times a GC thread (minus the coordinator) "            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2279
          "will sleep while yielding before giving up and resuming GC")     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2280
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2281
  /* gc tracing */                                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2282
  manageable(bool, PrintGC, false,                                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2283
          "Print message at garbage collection")                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2284
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2285
  manageable(bool, PrintGCDetails, false,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2286
          "Print more details at garbage collection")                       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2287
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2288
  manageable(bool, PrintGCDateStamps, false,                                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2289
          "Print date stamps at garbage collection")                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2290
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2291
  manageable(bool, PrintGCTimeStamps, false,                                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2292
          "Print timestamps at garbage collection")                         \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2293
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2294
  product(bool, PrintGCTaskTimeStamps, false,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2295
          "Print timestamps for individual gc worker thread tasks")         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2296
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2297
  develop(intx, ConcGCYieldTimeout, 0,                                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2298
          "If non-zero, assert that GC threads yield within this "          \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2299
          "number of milliseconds")                                         \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2300
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2301
  notproduct(bool, TraceMarkSweep, false,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2302
          "Trace mark sweep")                                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2303
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2304
  product(bool, PrintReferenceGC, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2305
          "Print times spent handling reference objects during GC "         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2306
          "(enabled only when PrintGCDetails)")                             \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2307
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2308
  develop(bool, TraceReferenceGC, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2309
          "Trace handling of soft/weak/final/phantom references")           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2310
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2311
  develop(bool, TraceFinalizerRegistration, false,                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2312
          "Trace registration of final references")                         \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2313
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2314
  notproduct(bool, TraceScavenge, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2315
          "Trace scavenge")                                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2316
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2317
  product_rw(bool, TraceClassLoading, false,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2318
          "Trace all classes loaded")                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2319
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2320
  product(bool, TraceClassLoadingPreorder, false,                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2321
          "Trace all classes loaded in order referenced (not loaded)")      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2322
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2323
  product_rw(bool, TraceClassUnloading, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2324
          "Trace unloading of classes")                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2325
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2326
  product_rw(bool, TraceLoaderConstraints, false,                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2327
          "Trace loader constraints")                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2328
                                                                            \
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  2329
  develop(bool, TraceClassLoaderData, false,                                \
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  2330
          "Trace class loader loader_data lifetime")                        \
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  2331
                                                                            \
15086
2bfd799e9147 8005082: NPG: Add specialized Metachunk sizes for reflection and anonymous classloaders
jmasa
parents: 14835
diff changeset
  2332
  product(uintx, InitialBootClassLoaderMetaspaceSize,                       \
2bfd799e9147 8005082: NPG: Add specialized Metachunk sizes for reflection and anonymous classloaders
jmasa
parents: 14835
diff changeset
  2333
          NOT_LP64(2200*K) LP64_ONLY(4*M),                                  \
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  2334
          "Initial size of the boot class loader data metaspace")           \
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  2335
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2336
  product(bool, TraceGen0Time, false,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2337
          "Trace accumulated time for Gen 0 collection")                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2338
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2339
  product(bool, TraceGen1Time, false,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2340
          "Trace accumulated time for Gen 1 collection")                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2341
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2342
  product(bool, PrintTenuringDistribution, false,                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2343
          "Print tenuring age information")                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2344
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2345
  product_rw(bool, PrintHeapAtGC, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2346
          "Print heap layout before and after each GC")                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2347
                                                                            \
3191
dd3cc90b9951 6855834: G1: minimize the output when -XX:+PrintHeapAtGC is set
tonyp
parents: 2866
diff changeset
  2348
  product_rw(bool, PrintHeapAtGCExtended, false,                            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2349
          "Print extended information about the layout of the heap "        \
3191
dd3cc90b9951 6855834: G1: minimize the output when -XX:+PrintHeapAtGC is set
tonyp
parents: 2866
diff changeset
  2350
          "when -XX:+PrintHeapAtGC is set")                                 \
dd3cc90b9951 6855834: G1: minimize the output when -XX:+PrintHeapAtGC is set
tonyp
parents: 2866
diff changeset
  2351
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2352
  product(bool, PrintHeapAtSIGBREAK, true,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2353
          "Print heap layout in response to SIGBREAK")                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2354
                                                                            \
2141
e9a644aaff87 6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
ysr
parents: 2034
diff changeset
  2355
  manageable(bool, PrintClassHistogramBeforeFullGC, false,                  \
e9a644aaff87 6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
ysr
parents: 2034
diff changeset
  2356
          "Print a class histogram before any major stop-world GC")         \
e9a644aaff87 6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
ysr
parents: 2034
diff changeset
  2357
                                                                            \
e9a644aaff87 6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
ysr
parents: 2034
diff changeset
  2358
  manageable(bool, PrintClassHistogramAfterFullGC, false,                   \
e9a644aaff87 6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
ysr
parents: 2034
diff changeset
  2359
          "Print a class histogram after any major stop-world GC")          \
e9a644aaff87 6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
ysr
parents: 2034
diff changeset
  2360
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2361
  manageable(bool, PrintClassHistogram, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2362
          "Print a histogram of class instances")                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2363
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2364
  develop(bool, TraceWorkGang, false,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2365
          "Trace activities of work gangs")                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2366
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2367
  product(bool, TraceParallelOldGCTasks, false,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2368
          "Trace multithreaded GC activity")                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2369
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2370
  develop(bool, TraceBlockOffsetTable, false,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2371
          "Print BlockOffsetTable maps")                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2372
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2373
  develop(bool, TraceCardTableModRefBS, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2374
          "Print CardTableModRefBS maps")                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2375
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2376
  develop(bool, TraceGCTaskManager, false,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2377
          "Trace actions of the GC task manager")                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2378
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2379
  develop(bool, TraceGCTaskQueue, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2380
          "Trace actions of the GC task queues")                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2381
                                                                            \
13925
37f75ba502b1 8000351: Tenuring threshold should be unsigned
jwilhelm
parents: 13924
diff changeset
  2382
  diagnostic(bool, TraceGCTaskThread, false,                                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2383
          "Trace actions of the GC task threads")                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2384
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2385
  product(bool, PrintParallelOldGCPhaseTimes, false,                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2386
          "Print the time taken by each phase in ParallelOldGC "            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2387
          "(PrintGCDetails must also be enabled)")                          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2388
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2389
  develop(bool, TraceParallelOldGCMarkingPhase, false,                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2390
          "Trace marking phase in ParallelOldGC")                           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2391
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2392
  develop(bool, TraceParallelOldGCSummaryPhase, false,                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2393
          "Trace summary phase in ParallelOldGC")                           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2394
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2395
  develop(bool, TraceParallelOldGCCompactionPhase, false,                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2396
          "Trace compaction phase in ParallelOldGC")                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2397
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2398
  develop(bool, TraceParallelOldGCDensePrefix, false,                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2399
          "Trace dense prefix computation for ParallelOldGC")               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2400
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2401
  develop(bool, IgnoreLibthreadGPFault, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2402
          "Suppress workaround for libthread GP fault")                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2403
                                                                            \
386
7f121b1192f2 6539517: CR 6186200 should be extended to perm gen allocation to prevent spurious OOM's from perm gen
apetrusenko
parents: 342
diff changeset
  2404
  product(bool, PrintJNIGCStalls, false,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2405
          "Print diagnostic message when GC is stalled "                    \
386
7f121b1192f2 6539517: CR 6186200 should be extended to perm gen allocation to prevent spurious OOM's from perm gen
apetrusenko
parents: 342
diff changeset
  2406
          "by JNI critical section")                                        \
7f121b1192f2 6539517: CR 6186200 should be extended to perm gen allocation to prevent spurious OOM's from perm gen
apetrusenko
parents: 342
diff changeset
  2407
                                                                            \
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17617
diff changeset
  2408
  experimental(double, ObjectCountCutOffPercent, 0.5,                       \
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17617
diff changeset
  2409
          "The percentage of the used heap that the instances of a class "  \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2410
          "must occupy for the class to generate a trace event")            \
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17617
diff changeset
  2411
                                                                            \
9990
c8683968c01b 6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents: 9968
diff changeset
  2412
  /* GC log rotation setting */                                             \
c8683968c01b 6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents: 9968
diff changeset
  2413
                                                                            \
c8683968c01b 6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents: 9968
diff changeset
  2414
  product(bool, UseGCLogFileRotation, false,                                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2415
          "Rotate gclog files (for long running applications). It requires "\
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2416
          "-Xloggc:<filename>")                                             \
9990
c8683968c01b 6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents: 9968
diff changeset
  2417
                                                                            \
c8683968c01b 6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents: 9968
diff changeset
  2418
  product(uintx, NumberOfGCLogFiles, 0,                                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2419
          "Number of gclog files in rotation "                              \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2420
          "(default: 0, no rotation)")                                      \
9990
c8683968c01b 6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents: 9968
diff changeset
  2421
                                                                            \
c8683968c01b 6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents: 9968
diff changeset
  2422
  product(uintx, GCLogFileSize, 0,                                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2423
          "GC log file size (default: 0 bytes, no rotation). "              \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2424
          "It requires UseGCLogFileRotation")                               \
9990
c8683968c01b 6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents: 9968
diff changeset
  2425
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2426
  /* JVMTI heap profiling */                                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2427
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2428
  diagnostic(bool, TraceJVMTIObjectTagging, false,                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2429
          "Trace JVMTI object tagging calls")                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2430
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2431
  diagnostic(bool, VerifyBeforeIteration, false,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2432
          "Verify memory system before JVMTI iteration")                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2433
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2434
  /* compiler interface */                                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2435
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2436
  develop(bool, CIPrintCompilerName, false,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2437
          "when CIPrint is active, print the name of the active compiler")  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2438
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2439
  develop(bool, CIPrintCompileQueue, false,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2440
          "display the contents of the compile queue whenever a "           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2441
          "compilation is enqueued")                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2442
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2443
  develop(bool, CIPrintRequests, false,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2444
          "display every request for compilation")                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2445
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2446
  product(bool, CITime, false,                                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2447
          "collect timing information for compilation")                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2448
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2449
  develop(bool, CITimeEach, false,                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2450
          "display timing information after each successful compilation")   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2451
                                                                            \
13964
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13925
diff changeset
  2452
  develop(bool, CICountOSR, false,                                          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2453
          "use a separate counter when assigning ids to osr compilations")  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2454
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2455
  develop(bool, CICompileNatives, true,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2456
          "compile native methods if supported by the compiler")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2457
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2458
  develop_pd(bool, CICompileOSR,                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2459
          "compile on stack replacement methods if supported by the "       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2460
          "compiler")                                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2461
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2462
  develop(bool, CIPrintMethodCodes, false,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2463
          "print method bytecodes of the compiled code")                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2464
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2465
  develop(bool, CIPrintTypeFlow, false,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2466
          "print the results of ciTypeFlow analysis")                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2467
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2468
  develop(bool, CITraceTypeFlow, false,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2469
          "detailed per-bytecode tracing of ciTypeFlow analysis")           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2470
                                                                            \
8870
119881dc9d0b 7024475: loop doesn't terminate when compiled
never
parents: 8728
diff changeset
  2471
  develop(intx, OSROnlyBCI, -1,                                             \
119881dc9d0b 7024475: loop doesn't terminate when compiled
never
parents: 8728
diff changeset
  2472
          "OSR only at this bci.  Negative values mean exclude that bci")   \
119881dc9d0b 7024475: loop doesn't terminate when compiled
never
parents: 8728
diff changeset
  2473
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2474
  /* compiler */                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2475
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2476
  product(intx, CICompilerCount, CI_COMPILER_COUNT,                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2477
          "Number of compiler threads to run")                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2478
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2479
  product(intx, CompilationPolicyChoice, 0,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2480
          "which compilation policy (0/1)")                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2481
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2482
  develop(bool, UseStackBanging, true,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2483
          "use stack banging for stack overflow checks (required for "      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2484
          "proper StackOverflow handling; disable only to measure cost "    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2485
          "of stackbanging)")                                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2486
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2487
  develop(bool, UseStrictFP, true,                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2488
          "use strict fp if modifier strictfp is set")                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2489
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2490
  develop(bool, GenerateSynchronizationCode, true,                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2491
          "generate locking/unlocking code for synchronized methods and "   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2492
          "monitors")                                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2493
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2494
  develop(bool, GenerateCompilerNullChecks, true,                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2495
          "Generate explicit null checks for loads/stores/calls")           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2496
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2497
  develop(bool, GenerateRangeChecks, true,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2498
          "Generate range checks for array accesses")                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2499
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2500
  develop_pd(bool, ImplicitNullChecks,                                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2501
          "Generate code for implicit null checks")                         \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2502
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2503
  product(bool, PrintSafepointStatistics, false,                            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2504
          "Print statistics about safepoint synchronization")               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2505
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2506
  product(intx, PrintSafepointStatisticsCount, 300,                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2507
          "Total number of safepoint statistics collected "                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2508
          "before printing them out")                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2509
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2510
  product(intx, PrintSafepointStatisticsTimeout,  -1,                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2511
          "Print safepoint statistics only when safepoint takes "           \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2512
          "more than PrintSafepointSatisticsTimeout in millis")             \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2513
                                                                            \
5086
ebccc0bb7b8e 6934758: Expose the break down of clean up task time during safepoint.
xlu
parents: 5039
diff changeset
  2514
  product(bool, TraceSafepointCleanupTime, false,                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2515
          "Print the break down of clean up tasks performed during "        \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2516
          "safepoint")                                                      \
5086
ebccc0bb7b8e 6934758: Expose the break down of clean up task time during safepoint.
xlu
parents: 5039
diff changeset
  2517
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2518
  product(bool, Inline, true,                                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2519
          "Enable inlining")                                                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2520
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2521
  product(bool, ClipInlining, true,                                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2522
          "Clip inlining if aggregate method exceeds DesiredMethodLimit")   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2523
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2524
  develop(bool, UseCHA, true,                                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2525
          "Enable CHA")                                                     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2526
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2527
  product(bool, UseTypeProfile, true,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2528
          "Check interpreter profile for historically monomorphic calls")   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2529
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2530
  notproduct(bool, TimeCompiler, false,                                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2531
          "Time the compiler")                                              \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2532
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2533
  diagnostic(bool, PrintInlining, false,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2534
          "Print inlining optimizations")                                   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2535
                                                                            \
2255
54abdf3e1055 6378821: bitCount() should use POPC on SPARC processors and AMD+10h
twisti
parents: 2254
diff changeset
  2536
  product(bool, UsePopCountInstruction, false,                              \
54abdf3e1055 6378821: bitCount() should use POPC on SPARC processors and AMD+10h
twisti
parents: 2254
diff changeset
  2537
          "Use population count instruction")                               \
54abdf3e1055 6378821: bitCount() should use POPC on SPARC processors and AMD+10h
twisti
parents: 2254
diff changeset
  2538
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2539
  develop(bool, EagerInitialization, false,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2540
          "Eagerly initialize classes if possible")                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2541
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2542
  develop(bool, TraceMethodReplacement, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2543
          "Print when methods are replaced do to recompilation")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2544
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2545
  develop(bool, PrintMethodFlushing, false,                                 \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2546
          "Print the nmethods being flushed")                               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2547
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2548
  develop(bool, UseRelocIndex, false,                                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2549
          "Use an index to speed random access to relocations")             \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2550
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2551
  develop(bool, StressCodeBuffers, false,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2552
          "Exercise code buffer expansion and other rare state changes")    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2553
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2554
  diagnostic(bool, DebugNonSafepoints, trueInDebug,                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2555
          "Generate extra debugging information for non-safepoints in "     \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2556
          "nmethods")                                                       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2557
                                                                            \
10990
f71627d1b3dd 7108264: Fix for 7104173 is insufficient
dholmes
parents: 10828
diff changeset
  2558
  product(bool, PrintVMOptions, false,                                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2559
          "Print flags that appeared on the command line")                  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2560
                                                                            \
2028
04fa713b25f9 6788376: allow to ignore unrecognized VM options
kvn
parents: 1671
diff changeset
  2561
  product(bool, IgnoreUnrecognizedVMOptions, false,                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2562
          "Ignore unrecognized VM options")                                 \
2028
04fa713b25f9 6788376: allow to ignore unrecognized VM options
kvn
parents: 1671
diff changeset
  2563
                                                                            \
4579
62478db2dc78 6914622: Print values of all flags for product VM
kvn
parents: 4489
diff changeset
  2564
  product(bool, PrintCommandLineFlags, false,                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2565
          "Print flags specified on command line or set by ergonomics")     \
4579
62478db2dc78 6914622: Print values of all flags for product VM
kvn
parents: 4489
diff changeset
  2566
                                                                            \
62478db2dc78 6914622: Print values of all flags for product VM
kvn
parents: 4489
diff changeset
  2567
  product(bool, PrintFlagsInitial, false,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2568
          "Print all VM flags before argument processing and exit VM")      \
4579
62478db2dc78 6914622: Print values of all flags for product VM
kvn
parents: 4489
diff changeset
  2569
                                                                            \
62478db2dc78 6914622: Print values of all flags for product VM
kvn
parents: 4489
diff changeset
  2570
  product(bool, PrintFlagsFinal, false,                                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2571
          "Print all VM flags after argument and ergonomic processing")     \
4579
62478db2dc78 6914622: Print values of all flags for product VM
kvn
parents: 4489
diff changeset
  2572
                                                                            \
6438
ace4f8100e90 6979444: add command line option to print command line flags descriptions
ikrylov
parents: 6419
diff changeset
  2573
  notproduct(bool, PrintFlagsWithComments, false,                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2574
          "Print all VM flags with default values and descriptions and "    \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2575
          "exit")                                                           \
6438
ace4f8100e90 6979444: add command line option to print command line flags descriptions
ikrylov
parents: 6419
diff changeset
  2576
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2577
  diagnostic(bool, SerializeVMOutput, true,                                 \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2578
          "Use a mutex to serialize output to tty and LogFile")             \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2579
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2580
  diagnostic(bool, DisplayVMOutput, true,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2581
          "Display all VM output on the tty, independently of LogVMOutput") \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2582
                                                                            \
20010
c66a7254680c 8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents: 19770
diff changeset
  2583
  diagnostic(bool, LogVMOutput, false,                                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2584
          "Save VM output to LogFile")                                      \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2585
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2586
  diagnostic(ccstr, LogFile, NULL,                                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2587
          "If LogVMOutput or LogCompilation is on, save VM output to "      \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2588
          "this file [default: ./hotspot_pid%p.log] (%p replaced with pid)")\
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2589
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2590
  product(ccstr, ErrorFile, NULL,                                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2591
          "If an error occurs, save the error data to this file "           \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2592
          "[default: ./hs_err_pid%p.log] (%p replaced with pid)")           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2593
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2594
  product(bool, DisplayVMOutputToStderr, false,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2595
          "If DisplayVMOutput is true, display all VM output to stderr")    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2596
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2597
  product(bool, DisplayVMOutputToStdout, false,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2598
          "If DisplayVMOutput is true, display all VM output to stdout")    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2599
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2600
  product(bool, UseHeavyMonitors, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2601
          "use heavyweight instead of lightweight Java monitors")           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2602
                                                                            \
13087
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12781
diff changeset
  2603
  product(bool, PrintStringTableStatistics, false,                          \
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12781
diff changeset
  2604
          "print statistics about the StringTable and SymbolTable")         \
673ea6efaf18 7158800: Improve storage of symbol tables
coleenp
parents: 12781
diff changeset
  2605
                                                                            \
20053
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19770
diff changeset
  2606
  diagnostic(bool, VerifyStringTableAtExit, false,                          \
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19770
diff changeset
  2607
          "verify StringTable contents at exit")                            \
a12bd7991794 8019835: Strings interned in different threads equal but does not ==
dcubed
parents: 19770
diff changeset
  2608
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2609
  notproduct(bool, PrintSymbolTableSizeHistogram, false,                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2610
          "print histogram of the symbol table")                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2611
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2612
  notproduct(bool, ExitVMOnVerifyError, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2613
          "standard exit from VM if bytecode verify error "                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2614
          "(only in debug mode)")                                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2615
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2616
  notproduct(ccstr, AbortVMOnException, NULL,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2617
          "Call fatal if this exception is thrown.  Example: "              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2618
          "java -XX:AbortVMOnException=java.lang.NullPointerException Foo") \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2619
                                                                            \
6179
4846648c4b7b 6973308: Missing zero length check before repne scas in check_klass_subtype_slow_path()
kvn
parents: 6062
diff changeset
  2620
  notproduct(ccstr, AbortVMOnExceptionMessage, NULL,                        \
4846648c4b7b 6973308: Missing zero length check before repne scas in check_klass_subtype_slow_path()
kvn
parents: 6062
diff changeset
  2621
          "Call fatal if the exception pointed by AbortVMOnException "      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2622
          "has this message")                                               \
6179
4846648c4b7b 6973308: Missing zero length check before repne scas in check_klass_subtype_slow_path()
kvn
parents: 6062
diff changeset
  2623
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2624
  develop(bool, DebugVtables, false,                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2625
          "add debugging code to vtable dispatch")                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2626
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2627
  develop(bool, PrintVtables, false,                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2628
          "print vtables when printing klass")                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2629
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2630
  notproduct(bool, PrintVtableStats, false,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2631
          "print vtables stats at end of run")                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2632
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2633
  develop(bool, TraceCreateZombies, false,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2634
          "trace creation of zombie nmethods")                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2635
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2636
  notproduct(bool, IgnoreLockingAssertions, false,                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2637
          "disable locking assertions (for speed)")                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2638
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2639
  product(bool, RangeCheckElimination, true,                                \
16611
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15922
diff changeset
  2640
          "Eliminate range checks")                                         \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2641
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2642
  develop_pd(bool, UncommonNullCast,                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2643
          "track occurrences of null in casts; adjust compiler tactics")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2644
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2645
  develop(bool, TypeProfileCasts,  true,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2646
          "treat casts like calls for purposes of type profiling")          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2647
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2648
  develop(bool, DelayCompilationDuringStartup, true,                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2649
          "Delay invoking the compiler until main application class is "    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2650
          "loaded")                                                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2651
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2652
  develop(bool, CompileTheWorld, false,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2653
          "Compile all methods in all classes in bootstrap class path "     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2654
          "(stress test)")                                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2655
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2656
  develop(bool, CompileTheWorldPreloadClasses, true,                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2657
          "Preload all classes used by a class before start loading")       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2658
                                                                            \
4736
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4650
diff changeset
  2659
  notproduct(intx, CompileTheWorldSafepointInterval, 100,                   \
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4650
diff changeset
  2660
          "Force a safepoint every n compiles so sweeper can keep up")      \
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4650
diff changeset
  2661
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2662
  develop(bool, FillDelaySlots, true,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2663
          "Fill delay slots (on SPARC only)")                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2664
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2665
  develop(bool, TimeLivenessAnalysis, false,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2666
          "Time computation of bytecode liveness analysis")                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2667
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2668
  develop(bool, TraceLivenessGen, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2669
          "Trace the generation of liveness analysis information")          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2670
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2671
  notproduct(bool, TraceLivenessQuery, false,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2672
          "Trace queries of liveness analysis information")                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2673
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2674
  notproduct(bool, CollectIndexSetStatistics, false,                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2675
          "Collect information about IndexSets")                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2676
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2677
  develop(bool, UseLoopSafepoints, true,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2678
          "Generate Safepoint nodes in every loop")                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2679
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2680
  develop(intx, FastAllocateSizeLimit, 128*K,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2681
          /* Note:  This value is zero mod 1<<13 for a cheap sparc set. */  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2682
          "Inline allocations larger than this in doublewords must go slow")\
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2683
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2684
  product(bool, AggressiveOpts, false,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2685
          "Enable aggressive optimizations - see arguments.cpp")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2686
                                                                            \
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20292
diff changeset
  2687
  product_pd(uintx, TypeProfileLevel,                                       \
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20735
diff changeset
  2688
          "=XYZ, with Z: Type profiling of arguments at call; "             \
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20735
diff changeset
  2689
                     "Y: Type profiling of return value at call; "          \
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20735
diff changeset
  2690
                     "X: Type profiling of parameters to methods; "         \
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20735
diff changeset
  2691
          "X, Y and Z in 0=off ; 1=jsr292 only; 2=all methods")             \
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20292
diff changeset
  2692
                                                                            \
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20292
diff changeset
  2693
  product(intx, TypeProfileArgsLimit,     2,                                \
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20292
diff changeset
  2694
          "max number of call arguments to consider for type profiling")    \
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20292
diff changeset
  2695
                                                                            \
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20735
diff changeset
  2696
  product(intx, TypeProfileParmsLimit,    2,                                \
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20735
diff changeset
  2697
          "max number of incoming parameters to consider for type profiling"\
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20735
diff changeset
  2698
          ", -1 for all")                                                   \
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20735
diff changeset
  2699
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2700
  /* statistics */                                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2701
  develop(bool, CountCompiledCalls, false,                                  \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2702
          "Count method invocations")                                       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2703
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2704
  notproduct(bool, CountRuntimeCalls, false,                                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2705
          "Count VM runtime calls")                                         \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2706
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2707
  develop(bool, CountJNICalls, false,                                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2708
          "Count jni method invocations")                                   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2709
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2710
  notproduct(bool, CountJVMCalls, false,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2711
          "Count jvm method invocations")                                   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2712
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2713
  notproduct(bool, CountRemovableExceptions, false,                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2714
          "Count exceptions that could be replaced by branches due to "     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2715
          "inlining")                                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2716
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2717
  notproduct(bool, ICMissHistogram, false,                                  \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2718
          "Produce histogram of IC misses")                                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2719
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2720
  notproduct(bool, PrintClassStatistics, false,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2721
          "Print class statistics at end of run")                           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2722
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2723
  notproduct(bool, PrintMethodStatistics, false,                            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2724
          "Print method statistics at end of run")                          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2725
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2726
  /* interpreter */                                                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2727
  develop(bool, ClearInterpreterLocals, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2728
          "Always clear local variables of interpreter activations upon "   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2729
          "entry")                                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2730
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2731
  product_pd(bool, RewriteBytecodes,                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2732
          "Allow rewriting of bytecodes (bytecodes are not immutable)")     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2733
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2734
  product_pd(bool, RewriteFrequentPairs,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2735
          "Rewrite frequently used bytecode pairs into a single bytecode")  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2736
                                                                            \
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents: 249
diff changeset
  2737
  diagnostic(bool, PrintInterpreter, false,                                 \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2738
          "Print the generated interpreter code")                           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2739
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2740
  product(bool, UseInterpreter, true,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2741
          "Use interpreter for non-compiled methods")                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2742
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2743
  develop(bool, UseFastSignatureHandlers, true,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2744
          "Use fast signature handlers for native calls")                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2745
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2746
  product(bool, UseLoopCounter, true,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2747
          "Increment invocation counter on backward branch")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2748
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2749
  product(bool, UseFastEmptyMethods, true,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2750
          "Use fast method entry code for empty methods")                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2751
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2752
  product(bool, UseFastAccessorMethods, true,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2753
          "Use fast method entry code for accessor methods")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2754
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2755
  product_pd(bool, UseOnStackReplacement,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2756
          "Use on stack replacement, calls runtime if invoc. counter "      \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2757
          "overflows in loop")                                              \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2758
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2759
  notproduct(bool, TraceOnStackReplacement, false,                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2760
          "Trace on stack replacement")                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2761
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2762
  product_pd(bool, PreferInterpreterNativeStubs,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2763
          "Use always interpreter stubs for native methods invoked via "    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2764
          "interpreter")                                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2765
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2766
  develop(bool, CountBytecodes, false,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2767
          "Count number of bytecodes executed")                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2768
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2769
  develop(bool, PrintBytecodeHistogram, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2770
          "Print histogram of the executed bytecodes")                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2771
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2772
  develop(bool, PrintBytecodePairHistogram, false,                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2773
          "Print histogram of the executed bytecode pairs")                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2774
                                                                            \
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents: 249
diff changeset
  2775
  diagnostic(bool, PrintSignatureHandlers, false,                           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2776
          "Print code generated for native method signature handlers")      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2777
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2778
  develop(bool, VerifyOops, false,                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2779
          "Do plausibility checks for oops")                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2780
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2781
  develop(bool, CheckUnhandledOops, false,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2782
          "Check for unhandled oops in VM code")                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2783
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2784
  develop(bool, VerifyJNIFields, trueInDebug,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2785
          "Verify jfieldIDs for instance fields")                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2786
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2787
  notproduct(bool, VerifyJNIEnvThread, false,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2788
          "Verify JNIEnv.thread == Thread::current() when entering VM "     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2789
          "from JNI")                                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2790
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2791
  develop(bool, VerifyFPU, false,                                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2792
          "Verify FPU state (check for NaN's, etc.)")                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2793
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2794
  develop(bool, VerifyThread, false,                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2795
          "Watch the thread register for corruption (SPARC only)")          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2796
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2797
  develop(bool, VerifyActivationFrameSize, false,                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2798
          "Verify that activation frame didn't become smaller than its "    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2799
          "minimal size")                                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2800
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2801
  develop(bool, TraceFrequencyInlining, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2802
          "Trace frequency based inlining")                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2803
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2804
  develop_pd(bool, InlineIntrinsics,                                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2805
          "Inline intrinsics that can be statically resolved")              \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2806
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2807
  product_pd(bool, ProfileInterpreter,                                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2808
          "Profile at the bytecode level during interpretation")            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2809
                                                                            \
22836
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 22828
diff changeset
  2810
  develop(bool, TraceProfileInterpreter, false,                             \
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 22828
diff changeset
  2811
          "Trace profiling at the bytecode level during interpretation. "   \
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 22828
diff changeset
  2812
          "This outputs the profiling information collected to improve "    \
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 22828
diff changeset
  2813
          "jit compilation.")                                               \
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 22828
diff changeset
  2814
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2815
  develop_pd(bool, ProfileTraps,                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2816
          "Profile deoptimization traps at the bytecode level")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2817
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2818
  product(intx, ProfileMaturityPercentage, 20,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2819
          "number of method invocations/branches (expressed as % of "       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2820
          "CompileThreshold) before using the method's profile")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2821
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2822
  develop(bool, PrintMethodData, false,                                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2823
          "Print the results of +ProfileInterpreter at end of run")         \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2824
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2825
  develop(bool, VerifyDataPointer, trueInDebug,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2826
          "Verify the method data pointer during interpreter profiling")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2827
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2828
  develop(bool, VerifyCompiledCode, false,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2829
          "Include miscellaneous runtime verifications in nmethod code; "   \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  2830
          "default off because it disturbs nmethod size heuristics")        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2831
                                                                            \
4489
514173c9a0c2 6361589: Print out stack trace for target thread of GC crash
minqi
parents: 4434
diff changeset
  2832
  notproduct(bool, CrashGCForDumpingJavaThread, false,                      \
514173c9a0c2 6361589: Print out stack trace for target thread of GC crash
minqi
parents: 4434
diff changeset
  2833
          "Manually make GC thread crash then dump java stack trace;  "     \
514173c9a0c2 6361589: Print out stack trace for target thread of GC crash
minqi
parents: 4434
diff changeset
  2834
          "Test only")                                                      \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2835
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2836
  /* compilation */                                                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2837
  product(bool, UseCompiler, true,                                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2838
          "Use Just-In-Time compilation")                                   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2839
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2840
  develop(bool, TraceCompilationPolicy, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2841
          "Trace compilation policy")                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2842
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2843
  develop(bool, TimeCompilationPolicy, false,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2844
          "Time the compilation policy")                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2845
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2846
  product(bool, UseCounterDecay, true,                                      \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2847
          "Adjust recompilation counters")                                  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2848
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2849
  develop(intx, CounterHalfLifeTime,    30,                                 \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2850
          "Half-life time of invocation counters (in seconds)")             \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2851
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2852
  develop(intx, CounterDecayMinIntervalLength,   500,                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2853
          "The minimum interval (in milliseconds) between invocation of "   \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2854
          "CounterDecay")                                                   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2855
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2856
  product(bool, AlwaysCompileLoopMethods, false,                            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2857
          "When using recompilation, never interpret methods "              \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2858
          "containing loops")                                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2859
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2860
  product(bool, DontCompileHugeMethods, true,                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2861
          "Do not compile methods > HugeMethodLimit")                       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2862
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2863
  /* Bytecode escape analysis estimation. */                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2864
  product(bool, EstimateArgEscape, true,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2865
          "Analyze bytecodes to estimate escape state of arguments")        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2866
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2867
  product(intx, BCEATraceLevel, 0,                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2868
          "How much tracing to do of bytecode escape analysis estimates")   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2869
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2870
  product(intx, MaxBCEAEstimateLevel, 5,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2871
          "Maximum number of nested calls that are analyzed by BC EA")      \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2872
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2873
  product(intx, MaxBCEAEstimateSize, 150,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2874
          "Maximum bytecode size of a method to be analyzed by BC EA")      \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2875
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2876
  product(intx,  AllocatePrefetchStyle, 1,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2877
          "0 = no prefetch, "                                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2878
          "1 = prefetch instructions for each allocation, "                 \
5251
f86f7a86d761 6940726: Use BIS instruction for allocation prefetch on Sparc
kvn
parents: 5250
diff changeset
  2879
          "2 = use TLAB watermark to gate allocation prefetch, "            \
f86f7a86d761 6940726: Use BIS instruction for allocation prefetch on Sparc
kvn
parents: 5250
diff changeset
  2880
          "3 = use BIS instruction on Sparc for allocation prefetch")       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2881
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2882
  product(intx,  AllocatePrefetchDistance, -1,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2883
          "Distance to prefetch ahead of allocation pointer")               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2884
                                                                            \
10267
8bdeec886dc4 7079329: Adjust allocation prefetching for T4
kvn
parents: 10252
diff changeset
  2885
  product(intx,  AllocatePrefetchLines, 3,                                  \
8bdeec886dc4 7079329: Adjust allocation prefetching for T4
kvn
parents: 10252
diff changeset
  2886
          "Number of lines to prefetch ahead of array allocation pointer")  \
8bdeec886dc4 7079329: Adjust allocation prefetching for T4
kvn
parents: 10252
diff changeset
  2887
                                                                            \
8bdeec886dc4 7079329: Adjust allocation prefetching for T4
kvn
parents: 10252
diff changeset
  2888
  product(intx,  AllocateInstancePrefetchLines, 1,                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2889
          "Number of lines to prefetch ahead of instance allocation "       \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2890
          "pointer")                                                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2891
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2892
  product(intx,  AllocatePrefetchStepSize, 16,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2893
          "Step size in bytes of sequential prefetch instructions")         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2894
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2895
  product(intx,  AllocatePrefetchInstr, 0,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2896
          "Prefetch instruction to prefetch ahead of allocation pointer")   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2897
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2898
  /* deoptimization */                                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2899
  develop(bool, TraceDeoptimization, false,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2900
          "Trace deoptimization")                                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2901
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2902
  develop(bool, DebugDeoptimization, false,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2903
          "Tracing various information while debugging deoptimization")     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2904
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2905
  product(intx, SelfDestructTimer, 0,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2906
          "Will cause VM to terminate after a given time (in minutes) "     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2907
          "(0 means off)")                                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2908
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2909
  product(intx, MaxJavaStackTraceDepth, 1024,                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2910
          "The maximum number of lines in the stack trace for Java "        \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2911
          "exceptions (0 means all)")                                       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2912
                                                                            \
9429
4569a4c199da 7005503: Make GuaranteedSafepointInterval a diagnostic flag
kevinw
parents: 9182
diff changeset
  2913
  NOT_EMBEDDED(diagnostic(intx, GuaranteedSafepointInterval, 1000,          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2914
          "Guarantee a safepoint (at least) every so many milliseconds "    \
8107
78e5bd944384 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 8076
diff changeset
  2915
          "(0 means none)"))                                                \
78e5bd944384 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 8076
diff changeset
  2916
                                                                            \
78e5bd944384 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 8076
diff changeset
  2917
  EMBEDDED_ONLY(product(intx, GuaranteedSafepointInterval, 0,               \
78e5bd944384 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 8076
diff changeset
  2918
          "Guarantee a safepoint (at least) every so many milliseconds "    \
78e5bd944384 7016023: Enable building ARM and PPC from src/closed repository
bobv
parents: 8076
diff changeset
  2919
          "(0 means none)"))                                                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2920
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2921
  product(intx, SafepointTimeoutDelay, 10000,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2922
          "Delay in milliseconds for option SafepointTimeout")              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2923
                                                                            \
13925
37f75ba502b1 8000351: Tenuring threshold should be unsigned
jwilhelm
parents: 13924
diff changeset
  2924
  product(intx, NmethodSweepFraction, 16,                                   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2925
          "Number of invocations of sweeper to cover all nmethods")         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2926
                                                                            \
5533
e8d9ff82ec62 6950075: nmethod sweeper should operate concurrently
never
parents: 5426
diff changeset
  2927
  product(intx, NmethodSweepCheckInterval, 5,                               \
e8d9ff82ec62 6950075: nmethod sweeper should operate concurrently
never
parents: 5426
diff changeset
  2928
          "Compilers wake up every n seconds to possibly sweep nmethods")   \
e8d9ff82ec62 6950075: nmethod sweeper should operate concurrently
never
parents: 5426
diff changeset
  2929
                                                                            \
20290
2127dc70bce9 8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents: 20288
diff changeset
  2930
  product(intx, NmethodSweepActivity, 10,                                   \
2127dc70bce9 8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents: 20288
diff changeset
  2931
          "Removes cold nmethods from code cache if > 0. Higher values "    \
2127dc70bce9 8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents: 20288
diff changeset
  2932
          "result in more aggressive sweeping")                             \
2127dc70bce9 8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents: 20288
diff changeset
  2933
                                                                            \
9942
2e86734ba620 6996747: SIGSEGV in nmethod::cleanup_inline_caches / CompiledIC::verify
never
parents: 9640
diff changeset
  2934
  notproduct(bool, LogSweeper, false,                                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2935
          "Keep a ring buffer of sweeper activity")                         \
9942
2e86734ba620 6996747: SIGSEGV in nmethod::cleanup_inline_caches / CompiledIC::verify
never
parents: 9640
diff changeset
  2936
                                                                            \
2e86734ba620 6996747: SIGSEGV in nmethod::cleanup_inline_caches / CompiledIC::verify
never
parents: 9640
diff changeset
  2937
  notproduct(intx, SweeperLogEntries, 1024,                                 \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2938
          "Number of records in the ring buffer of sweeper activity")       \
9942
2e86734ba620 6996747: SIGSEGV in nmethod::cleanup_inline_caches / CompiledIC::verify
never
parents: 9640
diff changeset
  2939
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2940
  notproduct(intx, MemProfilingInterval, 500,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2941
          "Time between each invocation of the MemProfiler")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2942
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2943
  develop(intx, MallocCatchPtr, -1,                                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2944
          "Hit breakpoint when mallocing/freeing this pointer")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2945
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2946
  notproduct(intx, AssertRepeat, 1,                                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2947
          "number of times to evaluate expression in assert "               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2948
          "(to estimate overhead); only works with -DUSE_REPEATED_ASSERTS") \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2949
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2950
  notproduct(ccstrlist, SuppressErrorAt, "",                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2951
          "List of assertions (file:line) to muzzle")                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2952
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2953
  notproduct(uintx, HandleAllocationLimit, 1024,                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2954
          "Threshold for HandleMark allocation when +TraceHandleAllocation "\
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2955
          "is used")                                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2956
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2957
  develop(uintx, TotalHandleAllocationLimit, 1024,                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2958
          "Threshold for total handle allocation when "                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2959
          "+TraceHandleAllocation is used")                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2960
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2961
  develop(intx, StackPrintLimit, 100,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2962
          "number of stack frames to print in VM-level stack dump")         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2963
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2964
  notproduct(intx, MaxElementPrintSize, 256,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2965
          "maximum number of elements to print")                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2966
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2967
  notproduct(intx, MaxSubklassPrintSize, 4,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2968
          "maximum number of subklasses to print when printing klass")      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2969
                                                                            \
4586
f1c484fca023 6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents: 4579
diff changeset
  2970
  product(intx, MaxInlineLevel, 9,                                          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2971
          "maximum number of nested calls that are inlined")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2972
                                                                            \
4586
f1c484fca023 6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents: 4579
diff changeset
  2973
  product(intx, MaxRecursiveInlineLevel, 1,                                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2974
          "maximum number of nested recursive calls that are inlined")      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2975
                                                                            \
21582
6c76cdd733fe 8028159: C2: compiler stack overflow during inlining of @ForceInline methods
vlivanov
parents: 21575
diff changeset
  2976
  develop(intx, MaxForceInlineLevel, 100,                                   \
6c76cdd733fe 8028159: C2: compiler stack overflow during inlining of @ForceInline methods
vlivanov
parents: 21575
diff changeset
  2977
          "maximum number of nested @ForceInline calls that are inlined")   \
6c76cdd733fe 8028159: C2: compiler stack overflow during inlining of @ForceInline methods
vlivanov
parents: 21575
diff changeset
  2978
                                                                            \
2342
9a1260c3679d 6821700: tune VM flags for peak performance
kvn
parents: 2259
diff changeset
  2979
  product_pd(intx, InlineSmallCode,                                         \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2980
          "Only inline already compiled methods if their code size is "     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2981
          "less than this")                                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2982
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2983
  product(intx, MaxInlineSize, 35,                                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2984
          "The maximum bytecode size of a method to be inlined")            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2985
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2986
  product_pd(intx, FreqInlineSize,                                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2987
          "The maximum bytecode size of a frequent method to be inlined")   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2988
                                                                            \
4586
f1c484fca023 6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents: 4579
diff changeset
  2989
  product(intx, MaxTrivialSize, 6,                                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2990
          "The maximum bytecode size of a trivial method to be inlined")    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2991
                                                                            \
4586
f1c484fca023 6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents: 4579
diff changeset
  2992
  product(intx, MinInliningThreshold, 250,                                  \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2993
          "The minimum invocation count a method needs to have to be "      \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2994
          "inlined")                                                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2995
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2996
  develop(intx, MethodHistogramCutoff, 100,                                 \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  2997
          "The cutoff value for method invocation histogram (+CountCalls)") \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2998
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2999
  develop(intx, ProfilerNumberOfInterpretedMethods, 25,                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3000
          "Number of interpreted methods to show in profile")               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3001
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3002
  develop(intx, ProfilerNumberOfCompiledMethods, 25,                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3003
          "Number of compiled methods to show in profile")                  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3004
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3005
  develop(intx, ProfilerNumberOfStubMethods, 25,                            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3006
          "Number of stub methods to show in profile")                      \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3007
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3008
  develop(intx, ProfilerNumberOfRuntimeStubNodes, 25,                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3009
          "Number of runtime stub nodes to show in profile")                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3010
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3011
  product(intx, ProfileIntervalsTicks, 100,                                 \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3012
          "Number of ticks between printing of interval profile "           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3013
          "(+ProfileIntervals)")                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3014
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3015
  notproduct(intx, ScavengeALotInterval,     1,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3016
          "Interval between which scavenge will occur with +ScavengeALot")  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3017
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3018
  notproduct(intx, FullGCALotInterval,     1,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3019
          "Interval between which full gc will occur with +FullGCALot")     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3020
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3021
  notproduct(intx, FullGCALotStart,     0,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3022
          "For which invocation to start FullGCAlot")                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3023
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3024
  notproduct(intx, FullGCALotDummies,  32*K,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3025
          "Dummy object allocated with +FullGCALot, forcing all objects "   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3026
          "to move")                                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3027
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3028
  develop(intx, DontYieldALotInterval,    10,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3029
          "Interval between which yields will be dropped (milliseconds)")   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3030
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3031
  develop(intx, MinSleepInterval,     1,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3032
          "Minimum sleep() interval (milliseconds) when "                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3033
          "ConvertSleepToYield is off (used for Solaris)")                  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3034
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3035
  develop(intx, ProfilerPCTickThreshold,    15,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3036
          "Number of ticks in a PC buckets to be a hotspot")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3037
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3038
  notproduct(intx, DeoptimizeALotInterval,     5,                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3039
          "Number of exits until DeoptimizeALot kicks in")                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3040
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3041
  notproduct(intx, ZombieALotInterval,     5,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3042
          "Number of exits until ZombieALot kicks in")                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3043
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3044
  diagnostic(intx, MallocVerifyInterval,     0,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3045
          "If non-zero, verify C heap after every N calls to "              \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3046
          "malloc/realloc/free")                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3047
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3048
  diagnostic(intx, MallocVerifyStart,     0,                                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3049
          "If non-zero, start verifying C heap after Nth call to "          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3050
          "malloc/realloc/free")                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3051
                                                                            \
16428
1b55a8d558b8 7030610: runtime/6878713/Test6878713.sh fails Error. failed to clean up files after test
rdurbin
parents: 15922
diff changeset
  3052
  diagnostic(uintx, MallocMaxTestWords,     0,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3053
          "If non-zero, maximum number of words that malloc/realloc can "   \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3054
          "allocate (for testing only)")                                    \
16428
1b55a8d558b8 7030610: runtime/6878713/Test6878713.sh fails Error. failed to clean up files after test
rdurbin
parents: 15922
diff changeset
  3055
                                                                            \
13925
37f75ba502b1 8000351: Tenuring threshold should be unsigned
jwilhelm
parents: 13924
diff changeset
  3056
  product(intx, TypeProfileWidth,     2,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3057
          "Number of receiver types to record in call/cast profile")        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3058
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3059
  develop(intx, BciProfileWidth,      2,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3060
          "Number of return bci's to record in ret profile")                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3061
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3062
  product(intx, PerMethodRecompilationCutoff, 400,                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3063
          "After recompiling N times, stay in the interpreter (-1=>'Inf')") \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3064
                                                                            \
4754
8aef16f24e16 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 4750
diff changeset
  3065
  product(intx, PerBytecodeRecompilationCutoff, 200,                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3066
          "Per-BCI limit on repeated recompilation (-1=>'Inf')")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3067
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3068
  product(intx, PerMethodTrapLimit,  100,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3069
          "Limit on traps (of one kind) in a method (includes inlines)")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3070
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3071
  product(intx, PerBytecodeTrapLimit,  4,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3072
          "Limit on traps (of one kind) at a particular BCI")               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3073
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3074
  develop(intx, InlineFrequencyRatio,    20,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3075
          "Ratio of call site execution to caller method invocation")       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3076
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3077
  develop_pd(intx, InlineFrequencyCount,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3078
          "Count of call site execution necessary to trigger frequent "     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3079
          "inlining")                                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3080
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3081
  develop(intx, InlineThrowCount,    50,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3082
          "Force inlining of interpreted methods that throw this often")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3083
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3084
  develop(intx, InlineThrowMaxSize,   200,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3085
          "Force inlining of throwing methods smaller than this")           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3086
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3087
  develop(intx, ProfilerNodeSize,  1024,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3088
          "Size in K to allocate for the Profile Nodes of each thread")     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3089
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3090
  product_pd(intx, PreInflateSpin,                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3091
          "Number of times to spin wait before inflation")                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3092
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3093
  /* gc parameters */                                                       \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  3094
  product(uintx, InitialHeapSize, 0,                                        \
17322
35c488005999 8006088: Incompatible heap size flags accepted by VM
tschatzl
parents: 17134
diff changeset
  3095
          "Initial heap size (in bytes); zero means use ergonomics")        \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  3096
                                                                            \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  3097
  product(uintx, MaxHeapSize, ScaleForWordSize(96*M),                       \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  3098
          "Maximum heap size (in bytes)")                                   \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  3099
                                                                            \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  3100
  product(uintx, OldSize, ScaleForWordSize(4*M),                            \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  3101
          "Initial tenured generation size (in bytes)")                     \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  3102
                                                                            \
5038
de3fb1c2d510 6923123: Hotspot refuses to start when -Xmx4m or -Xms4m is specified
phh
parents: 4759
diff changeset
  3103
  product(uintx, NewSize, ScaleForWordSize(1*M),                            \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  3104
          "Initial new generation size (in bytes)")                         \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3105
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3106
  product(uintx, MaxNewSize, max_uintx,                                     \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  3107
          "Maximum new generation size (in bytes), max_uintx means set "    \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  3108
          "ergonomically")                                                  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3109
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3110
  product(uintx, PretenureSizeThreshold, 0,                                 \
4434
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  3111
          "Maximum size in bytes of objects allocated in DefNew "           \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  3112
          "generation; zero means no maximum")                              \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  3113
                                                                            \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  3114
  product(uintx, TLABSize, 0,                                               \
4b41e5b42f81 6887571: Increase default heap config sizes
phh
parents: 4013
diff changeset
  3115
          "Starting TLAB size (in bytes); zero means set ergonomically")    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3116
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3117
  product(uintx, MinTLABSize, 2*K,                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3118
          "Minimum allowed TLAB size (in bytes)")                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3119
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3120
  product(uintx, TLABAllocationWeight, 35,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3121
          "Allocation averaging weight")                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3122
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3123
  product(uintx, TLABWasteTargetPercent, 1,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3124
          "Percentage of Eden that can be wasted")                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3125
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3126
  product(uintx, TLABRefillWasteFraction,    64,                            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3127
          "Maximum TLAB waste at a refill (internal fragmentation)")        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3128
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3129
  product(uintx, TLABWasteIncrement,    4,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3130
          "Increment allowed waste at slow allocation")                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3131
                                                                            \
15605
bf7de87bbe3a 8006432: Ratio flags should be unsigned
jwilhelm
parents: 15604
diff changeset
  3132
  product(uintx, SurvivorRatio, 8,                                          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3133
          "Ratio of eden/survivor space size")                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3134
                                                                            \
15605
bf7de87bbe3a 8006432: Ratio flags should be unsigned
jwilhelm
parents: 15604
diff changeset
  3135
  product(uintx, NewRatio, 2,                                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3136
          "Ratio of old/new generation sizes")                              \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3137
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3138
  product_pd(uintx, NewSizeThreadIncrease,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3139
          "Additional size added to desired new generation size per "       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3140
          "non-daemon thread (in bytes)")                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3141
                                                                            \
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  3142
  product_pd(uintx, MetaspaceSize,                                          \
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  3143
          "Initial size of Metaspaces (in bytes)")                          \
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  3144
                                                                            \
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  3145
  product(uintx, MaxMetaspaceSize, max_uintx,                               \
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  3146
          "Maximum size of Metaspaces (in bytes)")                          \
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  3147
                                                                            \
19979
ebe1dbb6e1aa 8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents: 19704
diff changeset
  3148
  product(uintx, CompressedClassSpaceSize, 1*G,                             \
ebe1dbb6e1aa 8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents: 19704
diff changeset
  3149
          "Maximum size of class area in Metaspace when compressed "        \
ebe1dbb6e1aa 8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents: 19704
diff changeset
  3150
          "class pointers are used")                                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3151
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3152
  product(uintx, MinHeapFreeRatio,    40,                                   \
20719
ffa4f0de0dad 8024776: Max/MinHeapFreeRatio descriptions should be more precise
jwilhelm
parents: 20406
diff changeset
  3153
          "The minimum percentage of heap free after GC to avoid expansion."\
ffa4f0de0dad 8024776: Max/MinHeapFreeRatio descriptions should be more precise
jwilhelm
parents: 20406
diff changeset
  3154
          " For most GCs this applies to the old generation. In G1 it"      \
ffa4f0de0dad 8024776: Max/MinHeapFreeRatio descriptions should be more precise
jwilhelm
parents: 20406
diff changeset
  3155
          " applies to the whole heap. Not supported by ParallelGC.")       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3156
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3157
  product(uintx, MaxHeapFreeRatio,    70,                                   \
20719
ffa4f0de0dad 8024776: Max/MinHeapFreeRatio descriptions should be more precise
jwilhelm
parents: 20406
diff changeset
  3158
          "The maximum percentage of heap free after GC to avoid shrinking."\
ffa4f0de0dad 8024776: Max/MinHeapFreeRatio descriptions should be more precise
jwilhelm
parents: 20406
diff changeset
  3159
          " For most GCs this applies to the old generation. In G1 it"      \
ffa4f0de0dad 8024776: Max/MinHeapFreeRatio descriptions should be more precise
jwilhelm
parents: 20406
diff changeset
  3160
          " applies to the whole heap. Not supported by ParallelGC.")       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3161
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3162
  product(intx, SoftRefLRUPolicyMSPerMB, 1000,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3163
          "Number of milliseconds per MB of free space in the heap")        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3164
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3165
  product(uintx, MinHeapDeltaBytes, ScaleForWordSize(128*K),                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3166
          "The minimum change in heap space due to GC (in bytes)")          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3167
                                                                            \
13925
37f75ba502b1 8000351: Tenuring threshold should be unsigned
jwilhelm
parents: 13924
diff changeset
  3168
  product(uintx, MinMetaspaceExpansion, ScaleForWordSize(256*K),            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3169
          "The minimum expansion of Metaspace (in bytes)")                  \
15610
528d799702c7 8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents: 15605
diff changeset
  3170
                                                                            \
528d799702c7 8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents: 15605
diff changeset
  3171
  product(uintx, MinMetaspaceFreeRatio,    40,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3172
          "The minimum percentage of Metaspace free after GC to avoid "     \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3173
          "expansion")                                                      \
15610
528d799702c7 8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents: 15605
diff changeset
  3174
                                                                            \
528d799702c7 8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents: 15605
diff changeset
  3175
  product(uintx, MaxMetaspaceFreeRatio,    70,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3176
          "The maximum percentage of Metaspace free after GC to avoid "     \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3177
          "shrinking")                                                      \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3178
                                                                            \
13925
37f75ba502b1 8000351: Tenuring threshold should be unsigned
jwilhelm
parents: 13924
diff changeset
  3179
  product(uintx, MaxMetaspaceExpansion, ScaleForWordSize(4*M),              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3180
          "The maximum expansion of Metaspace without full GC (in bytes)")  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3181
                                                                            \
17392
2f967c0e4246 6843347: Boundary values in some public GC options cause crashes
tschatzl
parents: 17322
diff changeset
  3182
  product(uintx, QueuedAllocationWarningCount, 0,                           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3183
          "Number of times an allocation that queues behind a GC "          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3184
          "will retry before printing a warning")                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3185
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3186
  diagnostic(uintx, VerifyGCStartAt,   0,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3187
          "GC invoke count where +VerifyBefore/AfterGC kicks in")           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3188
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3189
  diagnostic(intx, VerifyGCLevel,     0,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3190
          "Generation level at which to start +VerifyBefore/AfterGC")       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3191
                                                                            \
13925
37f75ba502b1 8000351: Tenuring threshold should be unsigned
jwilhelm
parents: 13924
diff changeset
  3192
  product(uintx, MaxTenuringThreshold,    15,                               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3193
          "Maximum value for tenuring threshold")                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3194
                                                                            \
13925
37f75ba502b1 8000351: Tenuring threshold should be unsigned
jwilhelm
parents: 13924
diff changeset
  3195
  product(uintx, InitialTenuringThreshold,    7,                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3196
          "Initial value for tenuring threshold")                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3197
                                                                            \
15605
bf7de87bbe3a 8006432: Ratio flags should be unsigned
jwilhelm
parents: 15604
diff changeset
  3198
  product(uintx, TargetSurvivorRatio,    50,                                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3199
          "Desired percentage of survivor space used after scavenge")       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3200
                                                                            \
1557
13878a2edfef 6765804: GC "dead ratios" should be unsigned
jcoomes
parents: 1438
diff changeset
  3201
  product(uintx, MarkSweepDeadRatio,     5,                                 \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3202
          "Percentage (0-100) of the old gen allowed as dead wood. "        \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3203
          "Serial mark sweep treats this as both the minimum and maximum "  \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3204
          "value. "                                                         \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3205
          "CMS uses this value only if it falls back to mark sweep. "       \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3206
          "Par compact uses a variable scale based on the density of the "  \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3207
          "generation and treats this as the maximum value when the heap "  \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3208
          "is either completely full or completely empty.  Par compact "    \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3209
          "also has a smaller default value; see arguments.cpp.")           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3210
                                                                            \
17392
2f967c0e4246 6843347: Boundary values in some public GC options cause crashes
tschatzl
parents: 17322
diff changeset
  3211
  product(uintx, MarkSweepAlwaysCompactCount,     4,                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3212
          "How often should we fully compact the heap (ignoring the dead "  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3213
          "space parameters)")                                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3214
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3215
  product(intx, PrintCMSStatistics, 0,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3216
          "Statistics for CMS")                                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3217
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3218
  product(bool, PrintCMSInitiationStatistics, false,                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3219
          "Statistics for initiating a CMS collection")                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3220
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3221
  product(intx, PrintFLSStatistics, 0,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3222
          "Statistics for CMS' FreeListSpace")                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3223
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3224
  product(intx, PrintFLSCensus, 0,                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3225
          "Census for CMS' FreeListSpace")                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3226
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3227
  develop(uintx, GCExpandToAllocateDelayMillis, 0,                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3228
          "Delay between expansion and allocation (in milliseconds)")       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3229
                                                                            \
13924
159131321ed4 7199349: NPG: PS: Crash seen in jprt
jmasa
parents: 13861
diff changeset
  3230
  develop(uintx, GCWorkerDelayMillis, 0,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3231
          "Delay in scheduling GC workers (in milliseconds)")               \
13924
159131321ed4 7199349: NPG: PS: Crash seen in jprt
jmasa
parents: 13861
diff changeset
  3232
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3233
  product(intx, DeferThrSuspendLoopCount,     4000,                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3234
          "(Unstable) Number of times to iterate in safepoint loop "        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3235
          "before blocking VM threads ")                                    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3236
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3237
  product(intx, DeferPollingPageLoopCount,     -1,                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3238
          "(Unsafe,Unstable) Number of iterations in safepoint loop "       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3239
          "before changing safepoint polling page to RO ")                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3240
                                                                            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3241
  product(intx, SafepointSpinBeforeYield, 2000, "(Unstable)")               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3242
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3243
  product(bool, PSChunkLargeArrays, true,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3244
          "Process large arrays in chunks")                                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3245
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3246
  product(uintx, GCDrainStackTargetSize, 64,                                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3247
          "Number of entries we will try to leave on the stack "            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3248
          "during parallel gc")                                             \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3249
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3250
  /* stack parameters */                                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3251
  product_pd(intx, StackYellowPages,                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3252
          "Number of yellow zone (recoverable overflows) pages")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3253
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3254
  product_pd(intx, StackRedPages,                                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3255
          "Number of red zone (unrecoverable overflows) pages")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3256
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3257
  product_pd(intx, StackShadowPages,                                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3258
          "Number of shadow zone (for overflow checking) pages "            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3259
          "this should exceed the depth of the VM and native call stack")   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3260
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3261
  product_pd(intx, ThreadStackSize,                                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3262
          "Thread Stack Size (in Kbytes)")                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3263
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3264
  product_pd(intx, VMThreadStackSize,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3265
          "Non-Java Thread Stack Size (in Kbytes)")                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3266
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3267
  product_pd(intx, CompilerThreadStackSize,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3268
          "Compiler Thread Stack Size (in Kbytes)")                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3269
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3270
  develop_pd(uintx, JVMInvokeMethodSlack,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3271
          "Stack space (bytes) required for JVM_InvokeMethod to complete")  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3272
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3273
  product(uintx, ThreadSafetyMargin, 50*M,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3274
          "Thread safety margin is used on fixed-stack LinuxThreads (on "   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3275
          "Linux/x86 only) to prevent heap-stack collision. Set to 0 to "   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3276
          "disable this feature")                                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3277
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3278
  /* code cache parameters */                                               \
22807
1cf02ef734e2 8016586: PPC64 (part 3): basic changes for PPC64
goetz
parents: 17617
diff changeset
  3279
  /* ppc64 has large code-entry alignment. */                               \
1cf02ef734e2 8016586: PPC64 (part 3): basic changes for PPC64
goetz
parents: 17617
diff changeset
  3280
  develop(uintx, CodeCacheSegmentSize, 64 PPC64_ONLY(+64),                  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3281
          "Code cache segment size (in bytes) - smallest unit of "          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3282
          "allocation")                                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3283
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3284
  develop_pd(intx, CodeEntryAlignment,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3285
          "Code entry alignment for generated code (in bytes)")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3286
                                                                            \
5249
5cac34e6fe54 6940701: Don't align loops in stubs for Niagara sparc
kvn
parents: 5235
diff changeset
  3287
  product_pd(intx, OptoLoopAlignment,                                       \
5cac34e6fe54 6940701: Don't align loops in stubs for Niagara sparc
kvn
parents: 5235
diff changeset
  3288
          "Align inner loops to zero relative to this modulus")             \
5cac34e6fe54 6940701: Don't align loops in stubs for Niagara sparc
kvn
parents: 5235
diff changeset
  3289
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3290
  product_pd(uintx, InitialCodeCacheSize,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3291
          "Initial code cache size (in bytes)")                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3292
                                                                            \
18506
af8765fafc07 8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents: 18025
diff changeset
  3293
  develop_pd(uintx, CodeCacheMinimumUseSpace,                               \
af8765fafc07 8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents: 18025
diff changeset
  3294
          "Minimum code cache size (in bytes) required to start VM.")       \
af8765fafc07 8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents: 18025
diff changeset
  3295
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3296
  product_pd(uintx, ReservedCodeCacheSize,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3297
          "Reserved code cache size (in bytes) - maximum code cache size")  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3298
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3299
  product(uintx, CodeCacheMinimumFreeSpace, 500*K,                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3300
          "When less than X space left, we stop compiling")                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3301
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3302
  product_pd(uintx, CodeCacheExpansionSize,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3303
          "Code cache expansion size (in bytes)")                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3304
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3305
  develop_pd(uintx, CodeCacheMinBlockLength,                                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3306
          "Minimum number of segments in a code cache block")               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3307
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3308
  notproduct(bool, ExitOnFullCodeCache, false,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3309
          "Exit the VM if we fill the code cache")                          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3310
                                                                            \
10963
77222140e9ad 7103784: enable some flags by default
never
parents: 10739
diff changeset
  3311
  product(bool, UseCodeCacheFlushing, true,                                 \
21575
6a9645992cee 8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents: 21572
diff changeset
  3312
          "Remove cold/old nmethods from the code cache")                   \
4750
71fd601907dc 4360113: Evict nmethods when code cache gets full
kvn
parents: 4736
diff changeset
  3313
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3314
  /* interpreter debugging */                                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3315
  develop(intx, BinarySwitchThreshold, 5,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3316
          "Minimal number of lookupswitch entries for rewriting to binary " \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3317
          "switch")                                                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3318
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3319
  develop(intx, StopInterpreterAt, 0,                                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3320
          "Stop interpreter execution at specified bytecode number")        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3321
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3322
  develop(intx, TraceBytecodesAt, 0,                                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3323
          "Trace bytecodes starting with specified bytecode number")        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3324
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3325
  /* compiler interface */                                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3326
  develop(intx, CIStart, 0,                                                 \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3327
          "The id of the first compilation to permit")                      \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3328
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3329
  develop(intx, CIStop,    -1,                                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3330
          "The id of the last compilation to permit")                       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3331
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3332
  develop(intx, CIStartOSR,     0,                                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3333
          "The id of the first osr compilation to permit "                  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3334
          "(CICountOSR must be on)")                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3335
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3336
  develop(intx, CIStopOSR,    -1,                                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3337
          "The id of the last osr compilation to permit "                   \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3338
          "(CICountOSR must be on)")                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3339
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3340
  develop(intx, CIBreakAtOSR,    -1,                                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3341
          "The id of osr compilation to break at")                          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3342
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3343
  develop(intx, CIBreakAt,    -1,                                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3344
          "The id of compilation to break at")                              \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3345
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3346
  product(ccstrlist, CompileOnly, "",                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3347
          "List of methods (pkg/class.name) to restrict compilation to")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3348
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3349
  product(ccstr, CompileCommandFile, NULL,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3350
          "Read compiler commands from this file [.hotspot_compiler]")      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3351
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3352
  product(ccstrlist, CompileCommand, "",                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3353
          "Prepend to .hotspot_compiler; e.g. log,java/lang/String.<init>") \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3354
                                                                            \
14477
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14386
diff changeset
  3355
  develop(bool, ReplayCompiles, false,                                      \
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14386
diff changeset
  3356
          "Enable replay of compilations from ReplayDataFile")              \
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14386
diff changeset
  3357
                                                                            \
17121
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 16682
diff changeset
  3358
  product(ccstr, ReplayDataFile, NULL,                                      \
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 16682
diff changeset
  3359
          "File containing compilation replay information"                  \
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 16682
diff changeset
  3360
          "[default: ./replay_pid%p.log] (%p replaced with pid)")           \
14477
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14386
diff changeset
  3361
                                                                            \
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14386
diff changeset
  3362
  develop(intx, ReplaySuppressInitializers, 2,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3363
          "Control handling of class initialization during replay: "        \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3364
          "0 - don't do anything special; "                                 \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3365
          "1 - treat all class initializers as empty; "                     \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3366
          "2 - treat class initializers for application classes as empty; " \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3367
          "3 - allow all class initializers to run during bootstrap but "   \
14477
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14386
diff changeset
  3368
          "    pretend they are empty after starting replay")               \
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14386
diff changeset
  3369
                                                                            \
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14386
diff changeset
  3370
  develop(bool, ReplayIgnoreInitErrors, false,                              \
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14386
diff changeset
  3371
          "Ignore exceptions thrown during initialization for replay")      \
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14386
diff changeset
  3372
                                                                            \
17121
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 16682
diff changeset
  3373
  product(bool, DumpReplayDataOnError, true,                                \
e40a97c700d9 8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents: 16682
diff changeset
  3374
          "Record replay data for crashing compiler threads")               \
14477
95e66ea71f71 6830717: replay of compilations would help with debugging
minqi
parents: 14386
diff changeset
  3375
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3376
  product(bool, CICompilerCountPerCPU, false,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3377
          "1 compiler thread for log(N CPUs)")                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3378
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3379
  develop(intx, CIFireOOMAt,    -1,                                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3380
          "Fire OutOfMemoryErrors throughout CI for testing the compiler "  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3381
          "(non-negative value throws OOM after this many CI accesses "     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3382
          "in each compile)")                                               \
17123
a8e62eed2e3e 8011675: adding compilation level to replay data
iignatyev
parents: 17121
diff changeset
  3383
  notproduct(intx, CICrashAt, -1,                                           \
a8e62eed2e3e 8011675: adding compilation level to replay data
iignatyev
parents: 17121
diff changeset
  3384
          "id of compilation to trigger assert in compiler thread for "     \
a8e62eed2e3e 8011675: adding compilation level to replay data
iignatyev
parents: 17121
diff changeset
  3385
          "the purpose of testing, e.g. generation of replay data")         \
3609
5f16c48e608a 6866585: debug code in ciObjectFactory too slow for large objects
jcoomes
parents: 3605
diff changeset
  3386
  notproduct(bool, CIObjectFactoryVerify, false,                            \
5f16c48e608a 6866585: debug code in ciObjectFactory too slow for large objects
jcoomes
parents: 3605
diff changeset
  3387
          "enable potentially expensive verification in ciObjectFactory")   \
5f16c48e608a 6866585: debug code in ciObjectFactory too slow for large objects
jcoomes
parents: 3605
diff changeset
  3388
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3389
  /* Priorities */                                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3390
  product_pd(bool, UseThreadPriorities,  "Use native thread priorities")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3391
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3392
  product(intx, ThreadPriorityPolicy, 0,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3393
          "0 : Normal.                                                     "\
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3394
          "    VM chooses priorities that are appropriate for normal       "\
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3395
          "    applications. On Solaris NORM_PRIORITY and above are mapped "\
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3396
          "    to normal native priority. Java priorities below "           \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3397
          "    NORM_PRIORITY map to lower native priority values. On       "\
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3398
          "    Windows applications are allowed to use higher native       "\
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3399
          "    priorities. However, with ThreadPriorityPolicy=0, VM will   "\
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3400
          "    not use the highest possible native priority,               "\
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3401
          "    THREAD_PRIORITY_TIME_CRITICAL, as it may interfere with     "\
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3402
          "    system threads. On Linux thread priorities are ignored      "\
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3403
          "    because the OS does not support static priority in          "\
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3404
          "    SCHED_OTHER scheduling class which is the only choice for   "\
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3405
          "    non-root, non-realtime applications.                        "\
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3406
          "1 : Aggressive.                                                 "\
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3407
          "    Java thread priorities map over to the entire range of      "\
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3408
          "    native thread priorities. Higher Java thread priorities map "\
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3409
          "    to higher native thread priorities. This policy should be   "\
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3410
          "    used with care, as sometimes it can cause performance       "\
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3411
          "    degradation in the application and/or the entire system. On "\
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3412
          "    Linux this policy requires root privilege.")                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3413
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3414
  product(bool, ThreadPriorityVerbose, false,                               \
11601
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11487
diff changeset
  3415
          "Print priority changes")                                         \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3416
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3417
  product(intx, DefaultThreadPriority, -1,                                  \
11601
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11487
diff changeset
  3418
          "The native priority at which threads run if not elsewhere "      \
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11487
diff changeset
  3419
          "specified (-1 means no change)")                                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3420
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3421
  product(intx, CompilerThreadPriority, -1,                                 \
11601
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11487
diff changeset
  3422
          "The native priority at which compiler threads should run "       \
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11487
diff changeset
  3423
          "(-1 means no change)")                                           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3424
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3425
  product(intx, VMThreadPriority, -1,                                       \
11601
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11487
diff changeset
  3426
          "The native priority at which the VM thread should run "          \
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11487
diff changeset
  3427
          "(-1 means no change)")                                           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3428
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3429
  product(bool, CompilerThreadHintNoPreempt, true,                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3430
          "(Solaris only) Give compiler threads an extra quanta")           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3431
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3432
  product(bool, VMThreadHintNoPreempt, false,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3433
          "(Solaris only) Give VM thread an extra quanta")                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3434
                                                                            \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3435
  product(intx, JavaPriority1_To_OSPriority, -1,                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3436
          "Map Java priorities to OS priorities")                           \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3437
                                                                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3438
  product(intx, JavaPriority2_To_OSPriority, -1,                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3439
          "Map Java priorities to OS priorities")                           \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3440
                                                                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3441
  product(intx, JavaPriority3_To_OSPriority, -1,                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3442
          "Map Java priorities to OS priorities")                           \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3443
                                                                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3444
  product(intx, JavaPriority4_To_OSPriority, -1,                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3445
          "Map Java priorities to OS priorities")                           \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3446
                                                                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3447
  product(intx, JavaPriority5_To_OSPriority, -1,                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3448
          "Map Java priorities to OS priorities")                           \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3449
                                                                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3450
  product(intx, JavaPriority6_To_OSPriority, -1,                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3451
          "Map Java priorities to OS priorities")                           \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3452
                                                                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3453
  product(intx, JavaPriority7_To_OSPriority, -1,                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3454
          "Map Java priorities to OS priorities")                           \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3455
                                                                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3456
  product(intx, JavaPriority8_To_OSPriority, -1,                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3457
          "Map Java priorities to OS priorities")                           \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3458
                                                                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3459
  product(intx, JavaPriority9_To_OSPriority, -1,                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3460
          "Map Java priorities to OS priorities")                           \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3461
                                                                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3462
  product(intx, JavaPriority10_To_OSPriority,-1,                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3463
          "Map Java priorities to OS priorities")                           \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3464
                                                                            \
11601
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11487
diff changeset
  3465
  experimental(bool, UseCriticalJavaThreadPriority, false,                  \
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11487
diff changeset
  3466
          "Java thread priority 10 maps to critical scheduling priority")   \
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11487
diff changeset
  3467
                                                                            \
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11487
diff changeset
  3468
  experimental(bool, UseCriticalCompilerThreadPriority, false,              \
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11487
diff changeset
  3469
          "Compiler thread(s) run at critical scheduling priority")         \
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11487
diff changeset
  3470
                                                                            \
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11487
diff changeset
  3471
  experimental(bool, UseCriticalCMSThreadPriority, false,                   \
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11487
diff changeset
  3472
          "ConcurrentMarkSweep thread runs at critical scheduling priority")\
f359304c1856 7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents: 11487
diff changeset
  3473
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3474
  /* compiler debugging */                                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3475
  notproduct(intx, CompileTheWorldStartAt,     1,                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3476
          "First class to consider when using +CompileTheWorld")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3477
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3478
  notproduct(intx, CompileTheWorldStopAt, max_jint,                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3479
          "Last class to consider when using +CompileTheWorld")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3480
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3481
  develop(intx, NewCodeParameter,      0,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3482
          "Testing Only: Create a dedicated integer parameter before "      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3483
          "putback")                                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3484
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3485
  /* new oopmap storage allocation */                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3486
  develop(intx, MinOopMapAllocation,     8,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3487
          "Minimum number of OopMap entries in an OopMapSet")               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3488
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3489
  /* Background Compilation */                                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3490
  develop(intx, LongCompileThreshold,     50,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3491
          "Used with +TraceLongCompiles")                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3492
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3493
  product(intx, StarvationMonitorInterval,    200,                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3494
          "Pause between each check (in milliseconds)")                     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3495
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3496
  /* recompilation */                                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3497
  product_pd(intx, CompileThreshold,                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3498
          "number of interpreted method invocations before (re-)compiling") \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3499
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3500
  product_pd(intx, BackEdgeThreshold,                                       \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3501
          "Interpreter Back edge threshold at which an OSR compilation is " \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3502
          "invoked")                                                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3503
                                                                            \
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3504
  product(intx, Tier0InvokeNotifyFreqLog, 7,                                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3505
          "Interpreter (tier 0) invocation notification frequency")         \
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3506
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3507
  product(intx, Tier2InvokeNotifyFreqLog, 11,                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3508
          "C1 without MDO (tier 2) invocation notification frequency")      \
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3509
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3510
  product(intx, Tier3InvokeNotifyFreqLog, 10,                               \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3511
          "C1 with MDO profiling (tier 3) invocation notification "         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3512
          "frequency")                                                      \
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3513
                                                                            \
10569
f5ce1108443b 7096639: Tiered: Incorrect counter overflow handling for inlined methods
iveresov
parents: 10565
diff changeset
  3514
  product(intx, Tier23InlineeNotifyFreqLog, 20,                             \
f5ce1108443b 7096639: Tiered: Incorrect counter overflow handling for inlined methods
iveresov
parents: 10565
diff changeset
  3515
          "Inlinee invocation (tiers 2 and 3) notification frequency")      \
f5ce1108443b 7096639: Tiered: Incorrect counter overflow handling for inlined methods
iveresov
parents: 10565
diff changeset
  3516
                                                                            \
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3517
  product(intx, Tier0BackedgeNotifyFreqLog, 10,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3518
          "Interpreter (tier 0) invocation notification frequency")         \
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3519
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3520
  product(intx, Tier2BackedgeNotifyFreqLog, 14,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3521
          "C1 without MDO (tier 2) invocation notification frequency")      \
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3522
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3523
  product(intx, Tier3BackedgeNotifyFreqLog, 13,                             \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3524
          "C1 with MDO profiling (tier 3) invocation notification "         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3525
          "frequency")                                                      \
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3526
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3527
  product(intx, Tier2CompileThreshold, 0,                                   \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3528
          "threshold at which tier 2 compilation is invoked")               \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3529
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3530
  product(intx, Tier2BackEdgeThreshold, 0,                                  \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3531
          "Back edge threshold at which tier 2 compilation is invoked")     \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3532
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3533
  product(intx, Tier3InvocationThreshold, 200,                              \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3534
          "Compile if number of method invocations crosses this "           \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3535
          "threshold")                                                      \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3536
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3537
  product(intx, Tier3MinInvocationThreshold, 100,                           \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3538
          "Minimum invocation to compile at tier 3")                        \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3539
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3540
  product(intx, Tier3CompileThreshold, 2000,                                \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3541
          "Threshold at which tier 3 compilation is invoked (invocation "   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3542
          "minimum must be satisfied")                                      \
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3543
                                                                            \
11566
351229eec596 7132945: Tiered: adjust OSR threshold of level 3
iveresov
parents: 11487
diff changeset
  3544
  product(intx, Tier3BackEdgeThreshold,  60000,                             \
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3545
          "Back edge threshold at which tier 3 OSR compilation is invoked") \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3546
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3547
  product(intx, Tier4InvocationThreshold, 5000,                             \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3548
          "Compile if number of method invocations crosses this "           \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3549
          "threshold")                                                      \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3550
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3551
  product(intx, Tier4MinInvocationThreshold, 600,                           \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3552
          "Minimum invocation to compile at tier 4")                        \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3553
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3554
  product(intx, Tier4CompileThreshold, 15000,                               \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3555
          "Threshold at which tier 4 compilation is invoked (invocation "   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3556
          "minimum must be satisfied")                                      \
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3557
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3558
  product(intx, Tier4BackEdgeThreshold, 40000,                              \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3559
          "Back edge threshold at which tier 4 OSR compilation is invoked") \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3560
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3561
  product(intx, Tier3DelayOn, 5,                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3562
          "If C2 queue size grows over this amount per compiler thread "    \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3563
          "stop compiling at tier 3 and start compiling at tier 2")         \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3564
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3565
  product(intx, Tier3DelayOff, 2,                                           \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3566
          "If C2 queue size is less than this amount per compiler thread "  \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3567
          "allow methods compiled at tier 2 transition to tier 3")          \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3568
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3569
  product(intx, Tier3LoadFeedback, 5,                                       \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3570
          "Tier 3 thresholds will increase twofold when C1 queue size "     \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3571
          "reaches this amount per compiler thread")                        \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3572
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3573
  product(intx, Tier4LoadFeedback, 3,                                       \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3574
          "Tier 4 thresholds will increase twofold when C2 queue size "     \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3575
          "reaches this amount per compiler thread")                        \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3576
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3577
  product(intx, TieredCompileTaskTimeout, 50,                               \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3578
          "Kill compile task if method was not used within "                \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3579
          "given timeout in milliseconds")                                  \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3580
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3581
  product(intx, TieredStopAtLevel, 4,                                       \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3582
          "Stop at given compilation level")                                \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3583
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3584
  product(intx, Tier0ProfilingStartPercentage, 200,                         \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3585
          "Start profiling in interpreter if the counters exceed tier 3 "   \
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3586
          "thresholds by the specified percentage")                         \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3587
                                                                            \
17617
4e330bce1812 8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents: 17398
diff changeset
  3588
  product(uintx, IncreaseFirstTierCompileThresholdAt, 50,                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3589
          "Increase the compile threshold for C1 compilation if the code "  \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3590
          "cache is filled by the specified percentage")                    \
17617
4e330bce1812 8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents: 17398
diff changeset
  3591
                                                                            \
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3592
  product(intx, TieredRateUpdateMinTime, 1,                                 \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3593
          "Minimum rate sampling interval (in milliseconds)")               \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3594
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3595
  product(intx, TieredRateUpdateMaxTime, 25,                                \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3596
          "Maximum rate sampling interval (in milliseconds)")               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3597
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3598
  product_pd(bool, TieredCompilation,                                       \
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3599
          "Enable tiered compilation")                                      \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3600
                                                                            \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3601
  product(bool, PrintTieredEvents, false,                                   \
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6419
diff changeset
  3602
          "Print tiered events notifications")                              \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3603
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3604
  product_pd(intx, OnStackReplacePercentage,                                \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3605
          "NON_TIERED number of method invocations/branches (expressed as " \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3606
          "% of CompileThreshold) before (re-)compiling OSR code")          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3607
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3608
  product(intx, InterpreterProfilePercentage, 33,                           \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3609
          "NON_TIERED number of method invocations/branches (expressed as " \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3610
          "% of CompileThreshold) before profiling in the interpreter")     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3611
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3612
  develop(intx, MaxRecompilationSearchLength,    10,                        \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3613
          "The maximum number of frames to inspect when searching for "     \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3614
          "recompilee")                                                     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3615
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3616
  develop(intx, MaxInterpretedSearchLength,     3,                          \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3617
          "The maximum number of interpreted frames to skip when searching "\
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3618
          "for recompilee")                                                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3619
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3620
  develop(intx, DesiredMethodLimit,  8000,                                  \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3621
          "The desired maximum method size (in bytecodes) after inlining")  \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3622
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3623
  develop(intx, HugeMethodLimit,  8000,                                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3624
          "Don't compile methods larger than this if "                      \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3625
          "+DontCompileHugeMethods")                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3626
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3627
  /* New JDK 1.4 reflection implementation */                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3628
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3629
  develop(bool, UseNewReflection, true,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3630
          "Temporary flag for transition to reflection based on dynamic "   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3631
          "bytecode generation in 1.4; can no longer be turned off in 1.4 " \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3632
          "JDK, and is unneeded in 1.3 JDK, but marks most places VM "      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3633
          "changes were needed")                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3634
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3635
  develop(bool, VerifyReflectionBytecodes, false,                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3636
          "Force verification of 1.4 reflection bytecodes. Does not work "  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3637
          "in situations like that described in 4486457 or for "            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3638
          "constructors generated for serialization, so can not be enabled "\
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3639
          "in product.")                                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3640
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3641
  product(bool, ReflectionWrapResolutionErrors, true,                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3642
          "Temporary flag for transition to AbstractMethodError wrapped "   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3643
          "in InvocationTargetException. See 6531596")                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3644
                                                                            \
19704
475be20c57de 8023872: Verification error in generated lambda classes
acorn
parents: 19682
diff changeset
  3645
  develop(bool, VerifyLambdaBytecodes, false,                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3646
          "Force verification of jdk 8 lambda metafactory bytecodes")       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3647
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3648
  develop(intx, FastSuperclassLimit, 8,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3649
          "Depth of hardwired instanceof accelerator array")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3650
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3651
  /* Properties for Java libraries  */                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3652
                                                                            \
13197
b552dfeffb3c 7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents: 13195
diff changeset
  3653
  product(uintx, MaxDirectMemorySize, 0,                                    \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3654
          "Maximum total size of NIO direct-buffer allocations")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3655
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3656
  /* temporary developer defined flags  */                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3657
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3658
  diagnostic(bool, UseNewCode, false,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3659
          "Testing Only: Use the new version while testing")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3660
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3661
  diagnostic(bool, UseNewCode2, false,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3662
          "Testing Only: Use the new version while testing")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3663
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3664
  diagnostic(bool, UseNewCode3, false,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3665
          "Testing Only: Use the new version while testing")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3666
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3667
  /* flags for performance data collection */                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3668
                                                                            \
10020
9325b4244ec4 7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents: 10003
diff changeset
  3669
  product(bool, UsePerfData, falseInEmbedded,                               \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3670
          "Flag to disable jvmstat instrumentation for performance testing "\
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3671
          "and problem isolation purposes")                                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3672
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3673
  product(bool, PerfDataSaveToFile, false,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3674
          "Save PerfData memory to hsperfdata_<pid> file on exit")          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3675
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3676
  product(ccstr, PerfDataSaveFile, NULL,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3677
          "Save PerfData memory to the specified absolute pathname. "       \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3678
          "The string %p in the file name (if present) "                    \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3679
          "will be replaced by pid")                                        \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3680
                                                                            \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3681
  product(intx, PerfDataSamplingInterval, 50,                               \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3682
          "Data sampling interval (in milliseconds)")                       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3683
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3684
  develop(bool, PerfTraceDataCreation, false,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3685
          "Trace creation of Performance Data Entries")                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3686
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3687
  develop(bool, PerfTraceMemOps, false,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3688
          "Trace PerfMemory create/attach/detach calls")                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3689
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3690
  product(bool, PerfDisableSharedMem, false,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3691
          "Store performance data in standard memory")                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3692
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3693
  product(intx, PerfDataMemorySize, 32*K,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3694
          "Size of performance data memory region. Will be rounded "        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3695
          "up to a multiple of the native os page size.")                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3696
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3697
  product(intx, PerfMaxStringConstLength, 1024,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3698
          "Maximum PerfStringConstant string length before truncation")     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3699
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3700
  product(bool, PerfAllowAtExitRegistration, false,                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3701
          "Allow registration of atexit() methods")                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3702
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3703
  product(bool, PerfBypassFileSystemCheck, false,                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3704
          "Bypass Win32 file system criteria checks (Windows Only)")        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3705
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3706
  product(intx, UnguardOnExecutionViolation, 0,                             \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3707
          "Unguard page and retry on no-execute fault (Win32 only) "        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3708
          "0=off, 1=conservative, 2=aggressive")                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3709
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3710
  /* Serviceability Support */                                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3711
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3712
  product(bool, ManagementServer, false,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3713
          "Create JMX Management Server")                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3714
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3715
  product(bool, DisableAttachMechanism, false,                              \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3716
          "Disable mechanism that allows tools to attach to this VM")       \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3717
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3718
  product(bool, StartAttachListener, false,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3719
          "Always start Attach Listener at VM startup")                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3720
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3721
  manageable(bool, PrintConcurrentLocks, false,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3722
          "Print java.util.concurrent locks in thread dump")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3723
                                                                            \
8124
70ed6d8368bc 7019718: make error reporting flags product instead of diagnostic
kamg
parents: 8119
diff changeset
  3724
  product(bool, TransmitErrorReport, false,                                 \
8114
340b5b8b544b 7003401: Implement VM error-reporting functionality on erroneous termination
kamg
parents: 8107
diff changeset
  3725
          "Enable error report transmission on erroneous termination")      \
340b5b8b544b 7003401: Implement VM error-reporting functionality on erroneous termination
kamg
parents: 8107
diff changeset
  3726
                                                                            \
8124
70ed6d8368bc 7019718: make error reporting flags product instead of diagnostic
kamg
parents: 8119
diff changeset
  3727
  product(ccstr, ErrorReportServer, NULL,                                   \
8114
340b5b8b544b 7003401: Implement VM error-reporting functionality on erroneous termination
kamg
parents: 8107
diff changeset
  3728
          "Override built-in error report server address")                  \
340b5b8b544b 7003401: Implement VM error-reporting functionality on erroneous termination
kamg
parents: 8107
diff changeset
  3729
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3730
  /* Shared spaces */                                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3731
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3732
  product(bool, UseSharedSpaces, true,                                      \
15101
58d43bf04c45 8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents: 14835
diff changeset
  3733
          "Use shared spaces for metadata")                                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3734
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3735
  product(bool, RequireSharedSpaces, false,                                 \
15101
58d43bf04c45 8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents: 14835
diff changeset
  3736
          "Require shared spaces for metadata")                             \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3737
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3738
  product(bool, DumpSharedSpaces, false,                                    \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3739
          "Special mode: JVM reads a class list, loads classes, builds "    \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3740
          "shared spaces, and dumps the shared spaces to a file to be "     \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3741
          "used in future JVM runs")                                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3742
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3743
  product(bool, PrintSharedSpaces, false,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3744
          "Print usage of shared spaces")                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3745
                                                                            \
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  3746
  product(uintx, SharedReadWriteSize,  NOT_LP64(12*M) LP64_ONLY(16*M),      \
15101
58d43bf04c45 8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents: 14835
diff changeset
  3747
          "Size of read-write space for metadata (in bytes)")               \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3748
                                                                            \
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  3749
  product(uintx, SharedReadOnlySize,  NOT_LP64(12*M) LP64_ONLY(16*M),       \
15101
58d43bf04c45 8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents: 14835
diff changeset
  3750
          "Size of read-only space for metadata (in bytes)")                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3751
                                                                            \
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  3752
  product(uintx, SharedMiscDataSize,    NOT_LP64(2*M) LP64_ONLY(4*M),       \
15101
58d43bf04c45 8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents: 14835
diff changeset
  3753
          "Size of the shared miscellaneous data area (in bytes)")          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3754
                                                                            \
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13521
diff changeset
  3755
  product(uintx, SharedMiscCodeSize,    120*K,                              \
15101
58d43bf04c45 8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents: 14835
diff changeset
  3756
          "Size of the shared miscellaneous code area (in bytes)")          \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3757
                                                                            \
16430
882cddc35bec 8008217: CDS: Class data sharing limits the malloc heap on Solaris
coleenp
parents: 16428
diff changeset
  3758
  product(uintx, SharedBaseAddress, LP64_ONLY(32*G)                         \
882cddc35bec 8008217: CDS: Class data sharing limits the malloc heap on Solaris
coleenp
parents: 16428
diff changeset
  3759
          NOT_LP64(LINUX_ONLY(2*G) NOT_LINUX(0)),                           \
882cddc35bec 8008217: CDS: Class data sharing limits the malloc heap on Solaris
coleenp
parents: 16428
diff changeset
  3760
          "Address to allocate shared memory region for class data")        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3761
                                                                            \
8883
5569135acca3 6817525: turn on method handle functionality by default for JSR 292
twisti
parents: 8870
diff changeset
  3762
  diagnostic(bool, EnableInvokeDynamic, true,                               \
5569135acca3 6817525: turn on method handle functionality by default for JSR 292
twisti
parents: 8870
diff changeset
  3763
          "support JSR 292 (method handles, invokedynamic, "                \
5569135acca3 6817525: turn on method handle functionality by default for JSR 292
twisti
parents: 8870
diff changeset
  3764
          "anonymous classes")                                              \
5569135acca3 6817525: turn on method handle functionality by default for JSR 292
twisti
parents: 8870
diff changeset
  3765
                                                                            \
9980
a330de5dea17 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 9968
diff changeset
  3766
  diagnostic(bool, PrintMethodHandleStubs, false,                           \
a330de5dea17 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 9968
diff changeset
  3767
          "Print generated stub code for method handles")                   \
a330de5dea17 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 9968
diff changeset
  3768
                                                                            \
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2352
diff changeset
  3769
  develop(bool, TraceMethodHandles, false,                                  \
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2352
diff changeset
  3770
          "trace internal method handle operations")                        \
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2352
diff changeset
  3771
                                                                            \
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2352
diff changeset
  3772
  diagnostic(bool, VerifyMethodHandles, trueInDebug,                        \
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2352
diff changeset
  3773
          "perform extra checks when constructing method handles")          \
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2352
diff changeset
  3774
                                                                            \
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13197
diff changeset
  3775
  diagnostic(bool, ShowHiddenFrames, false,                                 \
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13197
diff changeset
  3776
          "show method handle implementation frames (usually hidden)")      \
9946
b3d5b50e2289 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents: 9942
diff changeset
  3777
                                                                            \
4644
2b1a1bc98168 6912065: final fields in objects need to support inlining optimizations for JSR 292
jrose
parents: 4586
diff changeset
  3778
  experimental(bool, TrustFinalNonStaticFields, false,                      \
2b1a1bc98168 6912065: final fields in objects need to support inlining optimizations for JSR 292
jrose
parents: 4586
diff changeset
  3779
          "trust final non-static declarations for constant folding")       \
2b1a1bc98168 6912065: final fields in objects need to support inlining optimizations for JSR 292
jrose
parents: 4586
diff changeset
  3780
                                                                            \
19770
7cb9f982ea81 8001107: @Stable annotation for constant folding of lazily evaluated variables
vlivanov
parents: 19704
diff changeset
  3781
  experimental(bool, FoldStableValues, false,                               \
7cb9f982ea81 8001107: @Stable annotation for constant folding of lazily evaluated variables
vlivanov
parents: 19704
diff changeset
  3782
          "Private flag to control optimizations for stable variables")     \
7cb9f982ea81 8001107: @Stable annotation for constant folding of lazily evaluated variables
vlivanov
parents: 19704
diff changeset
  3783
                                                                            \
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2536
diff changeset
  3784
  develop(bool, TraceInvokeDynamic, false,                                  \
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2536
diff changeset
  3785
          "trace internal invoke dynamic operations")                       \
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2536
diff changeset
  3786
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3787
  diagnostic(bool, PauseAtStartup,      false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3788
          "Causes the VM to pause at startup time and wait for the pause "  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3789
          "file to be removed (default: ./vm.paused.<pid>)")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3790
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3791
  diagnostic(ccstr, PauseAtStartupFile, NULL,                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3792
          "The file to create and for whose removal to await when pausing " \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3793
          "at startup. (default: ./vm.paused.<pid>)")                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3794
                                                                            \
8476
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8335
diff changeset
  3795
  diagnostic(bool, PauseAtExit, false,                                      \
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8335
diff changeset
  3796
          "Pause and wait for keypress on exit if a debugger is attached")  \
7e34c2d4cf9b 7022037: Pause when exiting if debugger is attached on windows
sla
parents: 8335
diff changeset
  3797
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3798
  product(bool, ExtendedDTraceProbes,    false,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3799
          "Enable performance-impacting dtrace probes")                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3800
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3801
  product(bool, DTraceMethodProbes, false,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3802
          "Enable dtrace probes for method-entry and method-exit")          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3803
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3804
  product(bool, DTraceAllocProbes, false,                                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3805
          "Enable dtrace probes for object allocation")                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3806
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3807
  product(bool, DTraceMonitorProbes, false,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3808
          "Enable dtrace probes for monitor events")                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3809
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3810
  product(bool, RelaxAccessControlCheck, false,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3811
          "Relax the access control checks in the verifier")                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3812
                                                                            \
363
99d43e8a76ad 6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents: 360
diff changeset
  3813
  diagnostic(bool, PrintDTraceDOF, false,                                   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3814
          "Print the DTrace DOF passed to the system for JSDT probes")      \
363
99d43e8a76ad 6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents: 360
diff changeset
  3815
                                                                            \
14487
9a40ad461ee9 7122219: Passed StringTableSize value not verified
hseigel
parents: 14386
diff changeset
  3816
  product(uintx, StringTableSize, defaultStringTableSize,                   \
8727
1642a45f024f 6962930: make the string table size configurable
jcoomes
parents: 8725
diff changeset
  3817
          "Number of buckets in the interned String table")                 \
1642a45f024f 6962930: make the string table size configurable
jcoomes
parents: 8725
diff changeset
  3818
                                                                            \
20393
0675c0224a5a 8019375: Internal symbol table size should be tunable.
kevinw
parents: 20292
diff changeset
  3819
  experimental(uintx, SymbolTableSize, defaultSymbolTableSize,              \
0675c0224a5a 8019375: Internal symbol table size should be tunable.
kevinw
parents: 20292
diff changeset
  3820
          "Number of buckets in the JVM internal Symbol table")             \
0675c0224a5a 8019375: Internal symbol table size should be tunable.
kevinw
parents: 20292
diff changeset
  3821
                                                                            \
14385
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 14284
diff changeset
  3822
  develop(bool, TraceDefaultMethods, false,                                 \
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 14284
diff changeset
  3823
          "Trace the default method processing steps")                      \
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 14284
diff changeset
  3824
                                                                            \
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 14284
diff changeset
  3825
  develop(bool, VerifyGenericSignatures, false,                             \
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 14284
diff changeset
  3826
          "Abort VM on erroneous or inconsistent generic signatures")       \
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 14284
diff changeset
  3827
                                                                            \
1602
6859fd21ba2b 6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents: 1562
diff changeset
  3828
  product(bool, UseVMInterruptibleIO, false,                                \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3829
          "(Unstable, Solaris-specific) Thread interrupt before or with "   \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3830
          "EINTR for I/O operations results in OS_INTRPT. The default "     \
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3831
          "value of this flag is true for JDK 6 and earlier")               \
12095
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents: 11789
diff changeset
  3832
                                                                            \
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents: 11789
diff changeset
  3833
  diagnostic(bool, WhiteBoxAPI, false,                                      \
12630
ddf6ee008138 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 12263
diff changeset
  3834
          "Enable internal testing APIs")                                   \
ddf6ee008138 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 12263
diff changeset
  3835
                                                                            \
ddf6ee008138 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 12263
diff changeset
  3836
  product(bool, PrintGCCause, true,                                         \
15918
3fcc894aca8c 8001307: Modify ACC_SUPER behavior
kamg
parents: 14081
diff changeset
  3837
          "Include GC cause in GC logging")                                 \
3fcc894aca8c 8001307: Modify ACC_SUPER behavior
kamg
parents: 14081
diff changeset
  3838
                                                                            \
16682
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 16680
diff changeset
  3839
  product(bool , AllowNonVirtualCalls, false,                               \
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 16680
diff changeset
  3840
          "Obey the ACC_SUPER flag and allow invokenonvirtual calls")       \
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 16680
diff changeset
  3841
                                                                            \
17375
e9554fd82263 8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents: 17374
diff changeset
  3842
  diagnostic(ccstr, SharedArchiveFile, NULL,                                \
e9554fd82263 8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents: 17374
diff changeset
  3843
          "Override the default location of the CDS archive file")          \
e9554fd82263 8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents: 17374
diff changeset
  3844
                                                                            \
16682
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 16680
diff changeset
  3845
  experimental(uintx, ArrayAllocatorMallocLimit,                            \
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 16680
diff changeset
  3846
          SOLARIS_ONLY(64*K) NOT_SOLARIS(max_uintx),                        \
4e30a46f6b76 7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents: 16680
diff changeset
  3847
          "Allocation less than this value will be allocated "              \
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17617
diff changeset
  3848
          "using malloc. Larger allocations will use mmap.")                \
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17617
diff changeset
  3849
                                                                            \
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17617
diff changeset
  3850
  product(bool, EnableTracing, false,                                       \
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17617
diff changeset
  3851
          "Enable event-based tracing")                                     \
20404
2e17d4cd1fc2 8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents: 20065
diff changeset
  3852
                                                                            \
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17617
diff changeset
  3853
  product(bool, UseLockedTracing, false,                                    \
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17617
diff changeset
  3854
          "Use locked-tracing when doing event-based tracing")
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 17617
diff changeset
  3855
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3856
/*
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3857
 *  Macros for factoring of globals
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3858
 */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3859
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3860
// Interface macros
20288
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3861
#define DECLARE_PRODUCT_FLAG(type, name, value, doc)      extern "C" type name;
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3862
#define DECLARE_PD_PRODUCT_FLAG(type, name, doc)          extern "C" type name;
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3863
#define DECLARE_DIAGNOSTIC_FLAG(type, name, value, doc)   extern "C" type name;
1382
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents: 1380
diff changeset
  3864
#define DECLARE_EXPERIMENTAL_FLAG(type, name, value, doc) extern "C" type name;
20288
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3865
#define DECLARE_MANAGEABLE_FLAG(type, name, value, doc)   extern "C" type name;
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3866
#define DECLARE_PRODUCT_RW_FLAG(type, name, value, doc)   extern "C" type name;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3867
#ifdef PRODUCT
20288
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3868
#define DECLARE_DEVELOPER_FLAG(type, name, value, doc)    extern "C" type CONST_##name; const type name = value;
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3869
#define DECLARE_PD_DEVELOPER_FLAG(type, name, doc)        extern "C" type CONST_##name; const type name = pd_##name;
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3870
#define DECLARE_NOTPRODUCT_FLAG(type, name, value, doc)   extern "C" type CONST_##name;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3871
#else
20288
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3872
#define DECLARE_DEVELOPER_FLAG(type, name, value, doc)    extern "C" type name;
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3873
#define DECLARE_PD_DEVELOPER_FLAG(type, name, doc)        extern "C" type name;
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3874
#define DECLARE_NOTPRODUCT_FLAG(type, name, value, doc)   extern "C" type name;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3875
#endif
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 356
diff changeset
  3876
// Special LP64 flags, product only needed for now.
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 356
diff changeset
  3877
#ifdef _LP64
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 356
diff changeset
  3878
#define DECLARE_LP64_PRODUCT_FLAG(type, name, value, doc) extern "C" type name;
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 356
diff changeset
  3879
#else
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 356
diff changeset
  3880
#define DECLARE_LP64_PRODUCT_FLAG(type, name, value, doc) const type name = value;
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 356
diff changeset
  3881
#endif // _LP64
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3882
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3883
// Implementation macros
20288
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3884
#define MATERIALIZE_PRODUCT_FLAG(type, name, value, doc)      type name = value;
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3885
#define MATERIALIZE_PD_PRODUCT_FLAG(type, name, doc)          type name = pd_##name;
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3886
#define MATERIALIZE_DIAGNOSTIC_FLAG(type, name, value, doc)   type name = value;
1382
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents: 1380
diff changeset
  3887
#define MATERIALIZE_EXPERIMENTAL_FLAG(type, name, value, doc) type name = value;
20288
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3888
#define MATERIALIZE_MANAGEABLE_FLAG(type, name, value, doc)   type name = value;
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3889
#define MATERIALIZE_PRODUCT_RW_FLAG(type, name, value, doc)   type name = value;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3890
#ifdef PRODUCT
20288
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3891
#define MATERIALIZE_DEVELOPER_FLAG(type, name, value, doc)    type CONST_##name = value;
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3892
#define MATERIALIZE_PD_DEVELOPER_FLAG(type, name, doc)        type CONST_##name = pd_##name;
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3893
#define MATERIALIZE_NOTPRODUCT_FLAG(type, name, value, doc)   type CONST_##name = value;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3894
#else
20288
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3895
#define MATERIALIZE_DEVELOPER_FLAG(type, name, value, doc)    type name = value;
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3896
#define MATERIALIZE_PD_DEVELOPER_FLAG(type, name, doc)        type name = pd_##name;
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3897
#define MATERIALIZE_NOTPRODUCT_FLAG(type, name, value, doc)   type name = value;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3898
#endif
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 356
diff changeset
  3899
#ifdef _LP64
20288
e2d549f40de9 8024545: make develop and notproduct flag values available in product builds
twisti
parents: 20022
diff changeset
  3900
#define MATERIALIZE_LP64_PRODUCT_FLAG(type, name, value, doc) type name = value;
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 356
diff changeset
  3901
#else
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 356
diff changeset
  3902
#define MATERIALIZE_LP64_PRODUCT_FLAG(type, name, value, doc) /* flag is constant */
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 356
diff changeset
  3903
#endif // _LP64
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3904
1382
fa3de4068282 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents: 1380
diff changeset
  3905
RUNTIME_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG, DECLARE_MANAGEABLE_FLAG, DECLARE_PRODUCT_RW_FLAG, DECLARE_LP64_PRODUCT_FLAG)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3906
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3907
RUNTIME_OS_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_NOTPRODUCT_FLAG)
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6987
diff changeset
  3908
13521
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13479
diff changeset
  3909
ARCH_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG)
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13479
diff changeset
  3910
11183
a81bb5c041d3 7117389: Add a framework for vendor-specific command line switch extensions to Hotspot
phh
parents: 11167
diff changeset
  3911
// Extensions
a81bb5c041d3 7117389: Add a framework for vendor-specific command line switch extensions to Hotspot
phh
parents: 11167
diff changeset
  3912
a81bb5c041d3 7117389: Add a framework for vendor-specific command line switch extensions to Hotspot
phh
parents: 11167
diff changeset
  3913
#include "runtime/globals_ext.hpp"
a81bb5c041d3 7117389: Add a framework for vendor-specific command line switch extensions to Hotspot
phh
parents: 11167
diff changeset
  3914
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#endif // SHARE_VM_RUNTIME_GLOBALS_HPP