author | dcubed |
Fri, 20 Sep 2013 12:58:35 -0700 | |
changeset 20065 | 59ad80fc24f9 |
parent 20022 | e6e3f5ff6d73 |
parent 20058 | fc8fd1c76fe2 |
child 20399 | d9bb551bf53d |
child 20291 | b1493ff02062 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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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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||
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#include "precompiled.hpp" |
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#include "classfile/javaAssertions.hpp" |
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#include "classfile/symbolTable.hpp" |
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#include "compiler/compilerOracle.hpp" |
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#include "memory/allocation.inline.hpp" |
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#include "memory/cardTableRS.hpp" |
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#include "memory/genCollectedHeap.hpp" |
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#include "memory/referenceProcessor.hpp" |
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#include "memory/universe.inline.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "prims/jvmtiExport.hpp" |
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#include "runtime/arguments.hpp" |
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#include "runtime/globals_extension.hpp" |
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#include "runtime/java.hpp" |
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#include "services/management.hpp" |
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#include "services/memTracker.hpp" |
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#include "utilities/defaultStream.hpp" |
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#include "utilities/macros.hpp" |
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#include "utilities/taskqueue.hpp" |
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#ifdef TARGET_OS_FAMILY_linux |
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# include "os_linux.inline.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_solaris |
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# include "os_solaris.inline.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_windows |
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# include "os_windows.inline.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_bsd |
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# include "os_bsd.inline.hpp" |
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#endif |
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#if INCLUDE_ALL_GCS |
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#include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" |
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#include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
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#include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" |
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#endif // INCLUDE_ALL_GCS |
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// Note: This is a special bug reporting site for the JVM |
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#define DEFAULT_VENDOR_URL_BUG "http://bugreport.sun.com/bugreport/crash.jsp" |
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#define DEFAULT_JAVA_LAUNCHER "generic" |
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// Disable options not supported in this release, with a warning if they |
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// were explicitly requested on the command-line |
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#define UNSUPPORTED_OPTION(opt, description) \ |
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do { \ |
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if (opt) { \ |
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if (FLAG_IS_CMDLINE(opt)) { \ |
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warning(description " is disabled in this release."); \ |
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} \ |
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FLAG_SET_DEFAULT(opt, false); \ |
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} \ |
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} while(0) |
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#define UNSUPPORTED_GC_OPTION(gc) \ |
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do { \ |
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if (gc) { \ |
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if (FLAG_IS_CMDLINE(gc)) { \ |
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warning(#gc " is not supported in this VM. Using Serial GC."); \ |
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} \ |
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FLAG_SET_DEFAULT(gc, false); \ |
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} \ |
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} while(0) |
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char** Arguments::_jvm_flags_array = NULL; |
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int Arguments::_num_jvm_flags = 0; |
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char** Arguments::_jvm_args_array = NULL; |
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int Arguments::_num_jvm_args = 0; |
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char* Arguments::_java_command = NULL; |
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SystemProperty* Arguments::_system_properties = NULL; |
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const char* Arguments::_gc_log_filename = NULL; |
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bool Arguments::_has_profile = false; |
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size_t Arguments::_conservative_max_heap_alignment = 0; |
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uintx Arguments::_min_heap_size = 0; |
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Arguments::Mode Arguments::_mode = _mixed; |
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bool Arguments::_java_compiler = false; |
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bool Arguments::_xdebug_mode = false; |
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const char* Arguments::_java_vendor_url_bug = DEFAULT_VENDOR_URL_BUG; |
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const char* Arguments::_sun_java_launcher = DEFAULT_JAVA_LAUNCHER; |
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int Arguments::_sun_java_launcher_pid = -1; |
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bool Arguments::_created_by_gamma_launcher = false; |
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// These parameters are reset in method parse_vm_init_args(JavaVMInitArgs*) |
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bool Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; |
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bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; |
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bool Arguments::_BackgroundCompilation = BackgroundCompilation; |
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bool Arguments::_ClipInlining = ClipInlining; |
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char* Arguments::SharedArchivePath = NULL; |
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AgentLibraryList Arguments::_libraryList; |
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AgentLibraryList Arguments::_agentList; |
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abort_hook_t Arguments::_abort_hook = NULL; |
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exit_hook_t Arguments::_exit_hook = NULL; |
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vfprintf_hook_t Arguments::_vfprintf_hook = NULL; |
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SystemProperty *Arguments::_java_ext_dirs = NULL; |
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SystemProperty *Arguments::_java_endorsed_dirs = NULL; |
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SystemProperty *Arguments::_sun_boot_library_path = NULL; |
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SystemProperty *Arguments::_java_library_path = NULL; |
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SystemProperty *Arguments::_java_home = NULL; |
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SystemProperty *Arguments::_java_class_path = NULL; |
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SystemProperty *Arguments::_sun_boot_class_path = NULL; |
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char* Arguments::_meta_index_path = NULL; |
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char* Arguments::_meta_index_dir = NULL; |
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// Check if head of 'option' matches 'name', and sets 'tail' remaining part of option string |
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static bool match_option(const JavaVMOption *option, const char* name, |
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const char** tail) { |
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int len = (int)strlen(name); |
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if (strncmp(option->optionString, name, len) == 0) { |
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*tail = option->optionString + len; |
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return true; |
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} else { |
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return false; |
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} |
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} |
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static void logOption(const char* opt) { |
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if (PrintVMOptions) { |
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jio_fprintf(defaultStream::output_stream(), "VM option '%s'\n", opt); |
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} |
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} |
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// Process java launcher properties. |
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void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) { |
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// See if sun.java.launcher or sun.java.launcher.pid is defined. |
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// Must do this before setting up other system properties, |
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// as some of them may depend on launcher type. |
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for (int index = 0; index < args->nOptions; index++) { |
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const JavaVMOption* option = args->options + index; |
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const char* tail; |
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if (match_option(option, "-Dsun.java.launcher=", &tail)) { |
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process_java_launcher_argument(tail, option->extraInfo); |
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continue; |
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} |
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if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { |
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_sun_java_launcher_pid = atoi(tail); |
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continue; |
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} |
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} |
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} |
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// Initialize system properties key and value. |
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void Arguments::init_system_properties() { |
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PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", |
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"Java Virtual Machine Specification", false)); |
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PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); |
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PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); |
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PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); |
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// following are JVMTI agent writeable properties. |
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// Properties values are set to NULL and they are |
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// os specific they are initialized in os::init_system_properties_values(). |
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_java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); |
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_java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); |
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_sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); |
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_java_library_path = new SystemProperty("java.library.path", NULL, true); |
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_java_home = new SystemProperty("java.home", NULL, true); |
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_sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); |
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_java_class_path = new SystemProperty("java.class.path", "", true); |
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// Add to System Property list. |
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PropertyList_add(&_system_properties, _java_ext_dirs); |
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PropertyList_add(&_system_properties, _java_endorsed_dirs); |
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PropertyList_add(&_system_properties, _sun_boot_library_path); |
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PropertyList_add(&_system_properties, _java_library_path); |
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PropertyList_add(&_system_properties, _java_home); |
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PropertyList_add(&_system_properties, _java_class_path); |
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PropertyList_add(&_system_properties, _sun_boot_class_path); |
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// Set OS specific system properties values |
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os::init_system_properties_values(); |
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} |
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// Update/Initialize System properties after JDK version number is known |
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void Arguments::init_version_specific_system_properties() { |
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enum { bufsz = 16 }; |
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char buffer[bufsz]; |
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const char* spec_vendor = "Sun Microsystems Inc."; |
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uint32_t spec_version = 0; |
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if (JDK_Version::is_gte_jdk17x_version()) { |
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spec_vendor = "Oracle Corporation"; |
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spec_version = JDK_Version::current().major_version(); |
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} |
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jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
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PropertyList_add(&_system_properties, |
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new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
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PropertyList_add(&_system_properties, |
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new SystemProperty("java.vm.specification.version", buffer, false)); |
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PropertyList_add(&_system_properties, |
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new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
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} |
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|
950 | 228 |
/** |
229 |
* Provide a slightly more user-friendly way of eliminating -XX flags. |
|
230 |
* When a flag is eliminated, it can be added to this list in order to |
|
231 |
* continue accepting this flag on the command-line, while issuing a warning |
|
232 |
* and ignoring the value. Once the JDK version reaches the 'accept_until' |
|
233 |
* limit, we flatly refuse to admit the existence of the flag. This allows |
|
234 |
* a flag to die correctly over JDK releases using HSX. |
|
235 |
*/ |
|
236 |
typedef struct { |
|
237 |
const char* name; |
|
238 |
JDK_Version obsoleted_in; // when the flag went away |
|
239 |
JDK_Version accept_until; // which version to start denying the existence |
|
240 |
} ObsoleteFlag; |
|
1 | 241 |
|
950 | 242 |
static ObsoleteFlag obsolete_jvm_flags[] = { |
243 |
{ "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, |
|
244 |
{ "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, |
|
245 |
{ "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, |
|
246 |
{ "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, |
|
247 |
{ "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, |
|
248 |
{ "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, |
|
249 |
{ "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, |
|
250 |
{ "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, |
|
251 |
{ "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, |
|
252 |
{ "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, |
|
253 |
{ "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, |
|
254 |
{ "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, |
|
255 |
{ "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, |
|
256 |
{ "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, |
|
4434 | 257 |
{ "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
258 |
{ "DefaultInitialRAMFraction", |
|
259 |
JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
|
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260 |
{ "UseDepthFirstScavengeOrder", |
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261 |
JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
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262 |
{ "HandlePromotionFailure", |
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263 |
JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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|
264 |
{ "MaxLiveObjectEvacuationRatio", |
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|
265 |
JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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266 |
{ "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
9178
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267 |
{ "UseParallelOldGCCompacting", |
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|
268 |
JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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269 |
{ "UseParallelDensePrefixUpdate", |
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|
270 |
JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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|
271 |
{ "UseParallelOldGCDensePrefix", |
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|
272 |
JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
9116 | 273 |
{ "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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274 |
{ "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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{ "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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276 |
{ "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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{ "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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278 |
{ "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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279 |
{ "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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280 |
{ "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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|
281 |
{ "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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282 |
{ "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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283 |
{ "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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284 |
{ "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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|
285 |
{ "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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|
286 |
{ "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
14284 | 287 |
{ "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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|
288 |
{ "UseSplitVerifier", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
18702
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|
289 |
{ "UseISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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|
290 |
{ "UsePermISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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|
291 |
{ "UseMPSS", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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|
292 |
{ "UseStringCache", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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|
293 |
#ifdef PRODUCT |
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|
294 |
{ "DesiredMethodLimit", |
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295 |
JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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296 |
#endif // PRODUCT |
950 | 297 |
{ NULL, JDK_Version(0), JDK_Version(0) } |
298 |
}; |
|
299 |
||
300 |
// Returns true if the flag is obsolete and fits into the range specified |
|
301 |
// for being ignored. In the case that the flag is ignored, the 'version' |
|
302 |
// value is filled in with the version number when the flag became |
|
303 |
// obsolete so that that value can be displayed to the user. |
|
304 |
bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { |
|
1 | 305 |
int i = 0; |
950 | 306 |
assert(version != NULL, "Must provide a version buffer"); |
307 |
while (obsolete_jvm_flags[i].name != NULL) { |
|
308 |
const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; |
|
1 | 309 |
// <flag>=xxx form |
310 |
// [-|+]<flag> form |
|
950 | 311 |
if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
1 | 312 |
((s[0] == '+' || s[0] == '-') && |
950 | 313 |
(strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
314 |
if (JDK_Version::current().compare(flag_status.accept_until) == -1) { |
|
315 |
*version = flag_status.obsoleted_in; |
|
316 |
return true; |
|
317 |
} |
|
1 | 318 |
} |
319 |
i++; |
|
320 |
} |
|
321 |
return false; |
|
322 |
} |
|
323 |
||
324 |
// Constructs the system class path (aka boot class path) from the following |
|
325 |
// components, in order: |
|
326 |
// |
|
327 |
// prefix // from -Xbootclasspath/p:... |
|
328 |
// endorsed // the expansion of -Djava.endorsed.dirs=... |
|
329 |
// base // from os::get_system_properties() or -Xbootclasspath= |
|
330 |
// suffix // from -Xbootclasspath/a:... |
|
331 |
// |
|
332 |
// java.endorsed.dirs is a list of directories; any jar or zip files in the |
|
333 |
// directories are added to the sysclasspath just before the base. |
|
334 |
// |
|
335 |
// This could be AllStatic, but it isn't needed after argument processing is |
|
336 |
// complete. |
|
337 |
class SysClassPath: public StackObj { |
|
338 |
public: |
|
339 |
SysClassPath(const char* base); |
|
340 |
~SysClassPath(); |
|
341 |
||
342 |
inline void set_base(const char* base); |
|
343 |
inline void add_prefix(const char* prefix); |
|
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344 |
inline void add_suffix_to_prefix(const char* suffix); |
1 | 345 |
inline void add_suffix(const char* suffix); |
346 |
inline void reset_path(const char* base); |
|
347 |
||
348 |
// Expand the jar/zip files in each directory listed by the java.endorsed.dirs |
|
349 |
// property. Must be called after all command-line arguments have been |
|
350 |
// processed (in particular, -Djava.endorsed.dirs=...) and before calling |
|
351 |
// combined_path(). |
|
352 |
void expand_endorsed(); |
|
353 |
||
354 |
inline const char* get_base() const { return _items[_scp_base]; } |
|
355 |
inline const char* get_prefix() const { return _items[_scp_prefix]; } |
|
356 |
inline const char* get_suffix() const { return _items[_scp_suffix]; } |
|
357 |
inline const char* get_endorsed() const { return _items[_scp_endorsed]; } |
|
358 |
||
359 |
// Combine all the components into a single c-heap-allocated string; caller |
|
360 |
// must free the string if/when no longer needed. |
|
361 |
char* combined_path(); |
|
362 |
||
363 |
private: |
|
364 |
// Utility routines. |
|
365 |
static char* add_to_path(const char* path, const char* str, bool prepend); |
|
366 |
static char* add_jars_to_path(char* path, const char* directory); |
|
367 |
||
368 |
inline void reset_item_at(int index); |
|
369 |
||
370 |
// Array indices for the items that make up the sysclasspath. All except the |
|
371 |
// base are allocated in the C heap and freed by this class. |
|
372 |
enum { |
|
373 |
_scp_prefix, // from -Xbootclasspath/p:... |
|
374 |
_scp_endorsed, // the expansion of -Djava.endorsed.dirs=... |
|
375 |
_scp_base, // the default sysclasspath |
|
376 |
_scp_suffix, // from -Xbootclasspath/a:... |
|
377 |
_scp_nitems // the number of items, must be last. |
|
378 |
}; |
|
379 |
||
380 |
const char* _items[_scp_nitems]; |
|
381 |
DEBUG_ONLY(bool _expansion_done;) |
|
382 |
}; |
|
383 |
||
384 |
SysClassPath::SysClassPath(const char* base) { |
|
385 |
memset(_items, 0, sizeof(_items)); |
|
386 |
_items[_scp_base] = base; |
|
387 |
DEBUG_ONLY(_expansion_done = false;) |
|
388 |
} |
|
389 |
||
390 |
SysClassPath::~SysClassPath() { |
|
391 |
// Free everything except the base. |
|
392 |
for (int i = 0; i < _scp_nitems; ++i) { |
|
393 |
if (i != _scp_base) reset_item_at(i); |
|
394 |
} |
|
395 |
DEBUG_ONLY(_expansion_done = false;) |
|
396 |
} |
|
397 |
||
398 |
inline void SysClassPath::set_base(const char* base) { |
|
399 |
_items[_scp_base] = base; |
|
400 |
} |
|
401 |
||
402 |
inline void SysClassPath::add_prefix(const char* prefix) { |
|
403 |
_items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); |
|
404 |
} |
|
405 |
||
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|
406 |
inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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|
407 |
_items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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|
408 |
} |
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|
409 |
|
1 | 410 |
inline void SysClassPath::add_suffix(const char* suffix) { |
411 |
_items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); |
|
412 |
} |
|
413 |
||
414 |
inline void SysClassPath::reset_item_at(int index) { |
|
415 |
assert(index < _scp_nitems && index != _scp_base, "just checking"); |
|
416 |
if (_items[index] != NULL) { |
|
13195 | 417 |
FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
1 | 418 |
_items[index] = NULL; |
419 |
} |
|
420 |
} |
|
421 |
||
422 |
inline void SysClassPath::reset_path(const char* base) { |
|
423 |
// Clear the prefix and suffix. |
|
424 |
reset_item_at(_scp_prefix); |
|
425 |
reset_item_at(_scp_suffix); |
|
426 |
set_base(base); |
|
427 |
} |
|
428 |
||
429 |
//------------------------------------------------------------------------------ |
|
430 |
||
431 |
void SysClassPath::expand_endorsed() { |
|
432 |
assert(_items[_scp_endorsed] == NULL, "can only be called once."); |
|
433 |
||
434 |
const char* path = Arguments::get_property("java.endorsed.dirs"); |
|
435 |
if (path == NULL) { |
|
436 |
path = Arguments::get_endorsed_dir(); |
|
437 |
assert(path != NULL, "no default for java.endorsed.dirs"); |
|
438 |
} |
|
439 |
||
440 |
char* expanded_path = NULL; |
|
441 |
const char separator = *os::path_separator(); |
|
442 |
const char* const end = path + strlen(path); |
|
443 |
while (path < end) { |
|
444 |
const char* tmp_end = strchr(path, separator); |
|
445 |
if (tmp_end == NULL) { |
|
446 |
expanded_path = add_jars_to_path(expanded_path, path); |
|
447 |
path = end; |
|
448 |
} else { |
|
13195 | 449 |
char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
1 | 450 |
memcpy(dirpath, path, tmp_end - path); |
451 |
dirpath[tmp_end - path] = '\0'; |
|
452 |
expanded_path = add_jars_to_path(expanded_path, dirpath); |
|
13195 | 453 |
FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
1 | 454 |
path = tmp_end + 1; |
455 |
} |
|
456 |
} |
|
457 |
_items[_scp_endorsed] = expanded_path; |
|
458 |
DEBUG_ONLY(_expansion_done = true;) |
|
459 |
} |
|
460 |
||
461 |
// Combine the bootclasspath elements, some of which may be null, into a single |
|
462 |
// c-heap-allocated string. |
|
463 |
char* SysClassPath::combined_path() { |
|
464 |
assert(_items[_scp_base] != NULL, "empty default sysclasspath"); |
|
465 |
assert(_expansion_done, "must call expand_endorsed() first."); |
|
466 |
||
467 |
size_t lengths[_scp_nitems]; |
|
468 |
size_t total_len = 0; |
|
469 |
||
470 |
const char separator = *os::path_separator(); |
|
471 |
||
472 |
// Get the lengths. |
|
473 |
int i; |
|
474 |
for (i = 0; i < _scp_nitems; ++i) { |
|
475 |
if (_items[i] != NULL) { |
|
476 |
lengths[i] = strlen(_items[i]); |
|
477 |
// Include space for the separator char (or a NULL for the last item). |
|
478 |
total_len += lengths[i] + 1; |
|
479 |
} |
|
480 |
} |
|
481 |
assert(total_len > 0, "empty sysclasspath not allowed"); |
|
482 |
||
483 |
// Copy the _items to a single string. |
|
13195 | 484 |
char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
1 | 485 |
char* cp_tmp = cp; |
486 |
for (i = 0; i < _scp_nitems; ++i) { |
|
487 |
if (_items[i] != NULL) { |
|
488 |
memcpy(cp_tmp, _items[i], lengths[i]); |
|
489 |
cp_tmp += lengths[i]; |
|
490 |
*cp_tmp++ = separator; |
|
491 |
} |
|
492 |
} |
|
493 |
*--cp_tmp = '\0'; // Replace the extra separator. |
|
494 |
return cp; |
|
495 |
} |
|
496 |
||
497 |
// Note: path must be c-heap-allocated (or NULL); it is freed if non-null. |
|
498 |
char* |
|
499 |
SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { |
|
500 |
char *cp; |
|
501 |
||
502 |
assert(str != NULL, "just checking"); |
|
503 |
if (path == NULL) { |
|
504 |
size_t len = strlen(str) + 1; |
|
13195 | 505 |
cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
1 | 506 |
memcpy(cp, str, len); // copy the trailing null |
507 |
} else { |
|
508 |
const char separator = *os::path_separator(); |
|
509 |
size_t old_len = strlen(path); |
|
510 |
size_t str_len = strlen(str); |
|
511 |
size_t len = old_len + str_len + 2; |
|
512 |
||
513 |
if (prepend) { |
|
13195 | 514 |
cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
1 | 515 |
char* cp_tmp = cp; |
516 |
memcpy(cp_tmp, str, str_len); |
|
517 |
cp_tmp += str_len; |
|
518 |
*cp_tmp = separator; |
|
519 |
memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null |
|
13195 | 520 |
FREE_C_HEAP_ARRAY(char, path, mtInternal); |
1 | 521 |
} else { |
13195 | 522 |
cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
1 | 523 |
char* cp_tmp = cp + old_len; |
524 |
*cp_tmp = separator; |
|
525 |
memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null |
|
526 |
} |
|
527 |
} |
|
528 |
return cp; |
|
529 |
} |
|
530 |
||
531 |
// Scan the directory and append any jar or zip files found to path. |
|
532 |
// Note: path must be c-heap-allocated (or NULL); it is freed if non-null. |
|
533 |
char* SysClassPath::add_jars_to_path(char* path, const char* directory) { |
|
534 |
DIR* dir = os::opendir(directory); |
|
535 |
if (dir == NULL) return path; |
|
536 |
||
537 |
char dir_sep[2] = { '\0', '\0' }; |
|
538 |
size_t directory_len = strlen(directory); |
|
539 |
const char fileSep = *os::file_separator(); |
|
540 |
if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; |
|
541 |
||
542 |
/* Scan the directory for jars/zips, appending them to path. */ |
|
543 |
struct dirent *entry; |
|
13195 | 544 |
char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
1 | 545 |
while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
546 |
const char* name = entry->d_name; |
|
547 |
const char* ext = name + strlen(name) - 4; |
|
548 |
bool isJarOrZip = ext > name && |
|
549 |
(os::file_name_strcmp(ext, ".jar") == 0 || |
|
550 |
os::file_name_strcmp(ext, ".zip") == 0); |
|
551 |
if (isJarOrZip) { |
|
13195 | 552 |
char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
1 | 553 |
sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
554 |
path = add_to_path(path, jarpath, false); |
|
13195 | 555 |
FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
1 | 556 |
} |
557 |
} |
|
13195 | 558 |
FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
1 | 559 |
os::closedir(dir); |
560 |
return path; |
|
561 |
} |
|
562 |
||
563 |
// Parses a memory size specification string. |
|
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
564 |
static bool atomull(const char *s, julong* result) { |
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
565 |
julong n = 0; |
15228
e92acc84ade3
7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems.
hseigel
parents:
15101
diff
changeset
|
566 |
int args_read = sscanf(s, JULONG_FORMAT, &n); |
1 | 567 |
if (args_read != 1) { |
568 |
return false; |
|
569 |
} |
|
570 |
while (*s != '\0' && isdigit(*s)) { |
|
571 |
s++; |
|
572 |
} |
|
573 |
// 4705540: illegal if more characters are found after the first non-digit |
|
574 |
if (strlen(s) > 1) { |
|
575 |
return false; |
|
576 |
} |
|
577 |
switch (*s) { |
|
578 |
case 'T': case 't': |
|
579 |
*result = n * G * K; |
|
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
580 |
// Check for overflow. |
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
581 |
if (*result/((julong)G * K) != n) return false; |
1 | 582 |
return true; |
583 |
case 'G': case 'g': |
|
584 |
*result = n * G; |
|
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
585 |
if (*result/G != n) return false; |
1 | 586 |
return true; |
587 |
case 'M': case 'm': |
|
588 |
*result = n * M; |
|
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
589 |
if (*result/M != n) return false; |
1 | 590 |
return true; |
591 |
case 'K': case 'k': |
|
592 |
*result = n * K; |
|
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
593 |
if (*result/K != n) return false; |
1 | 594 |
return true; |
595 |
case '\0': |
|
596 |
*result = n; |
|
597 |
return true; |
|
598 |
default: |
|
599 |
return false; |
|
600 |
} |
|
601 |
} |
|
602 |
||
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
603 |
Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
1 | 604 |
if (size < min_size) return arg_too_small; |
605 |
// Check that size will fit in a size_t (only relevant on 32-bit) |
|
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
606 |
if (size > max_uintx) return arg_too_big; |
1 | 607 |
return arg_in_range; |
608 |
} |
|
609 |
||
610 |
// Describe an argument out of range error |
|
611 |
void Arguments::describe_range_error(ArgsRange errcode) { |
|
612 |
switch(errcode) { |
|
613 |
case arg_too_big: |
|
614 |
jio_fprintf(defaultStream::error_stream(), |
|
615 |
"The specified size exceeds the maximum " |
|
616 |
"representable size.\n"); |
|
617 |
break; |
|
618 |
case arg_too_small: |
|
619 |
case arg_unreadable: |
|
620 |
case arg_in_range: |
|
621 |
// do nothing for now |
|
622 |
break; |
|
623 |
default: |
|
624 |
ShouldNotReachHere(); |
|
625 |
} |
|
626 |
} |
|
627 |
||
628 |
static bool set_bool_flag(char* name, bool value, FlagValueOrigin origin) { |
|
629 |
return CommandLineFlags::boolAtPut(name, &value, origin); |
|
630 |
} |
|
631 |
||
632 |
static bool set_fp_numeric_flag(char* name, char* value, FlagValueOrigin origin) { |
|
633 |
double v; |
|
634 |
if (sscanf(value, "%lf", &v) != 1) { |
|
635 |
return false; |
|
636 |
} |
|
637 |
||
638 |
if (CommandLineFlags::doubleAtPut(name, &v, origin)) { |
|
639 |
return true; |
|
640 |
} |
|
641 |
return false; |
|
642 |
} |
|
643 |
||
644 |
static bool set_numeric_flag(char* name, char* value, FlagValueOrigin origin) { |
|
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
645 |
julong v; |
1 | 646 |
intx intx_v; |
647 |
bool is_neg = false; |
|
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
648 |
// Check the sign first since atomull() parses only unsigned values. |
1 | 649 |
if (*value == '-') { |
650 |
if (!CommandLineFlags::intxAt(name, &intx_v)) { |
|
651 |
return false; |
|
652 |
} |
|
653 |
value++; |
|
654 |
is_neg = true; |
|
655 |
} |
|
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
656 |
if (!atomull(value, &v)) { |
1 | 657 |
return false; |
658 |
} |
|
659 |
intx_v = (intx) v; |
|
660 |
if (is_neg) { |
|
661 |
intx_v = -intx_v; |
|
662 |
} |
|
663 |
if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { |
|
664 |
return true; |
|
665 |
} |
|
666 |
uintx uintx_v = (uintx) v; |
|
667 |
if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { |
|
668 |
return true; |
|
669 |
} |
|
4434 | 670 |
uint64_t uint64_t_v = (uint64_t) v; |
671 |
if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { |
|
672 |
return true; |
|
673 |
} |
|
1 | 674 |
return false; |
675 |
} |
|
676 |
||
677 |
static bool set_string_flag(char* name, const char* value, FlagValueOrigin origin) { |
|
678 |
if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; |
|
679 |
// Contract: CommandLineFlags always returns a pointer that needs freeing. |
|
13195 | 680 |
FREE_C_HEAP_ARRAY(char, value, mtInternal); |
1 | 681 |
return true; |
682 |
} |
|
683 |
||
684 |
static bool append_to_string_flag(char* name, const char* new_value, FlagValueOrigin origin) { |
|
685 |
const char* old_value = ""; |
|
686 |
if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; |
|
687 |
size_t old_len = old_value != NULL ? strlen(old_value) : 0; |
|
688 |
size_t new_len = strlen(new_value); |
|
689 |
const char* value; |
|
690 |
char* free_this_too = NULL; |
|
691 |
if (old_len == 0) { |
|
692 |
value = new_value; |
|
693 |
} else if (new_len == 0) { |
|
694 |
value = old_value; |
|
695 |
} else { |
|
13195 | 696 |
char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
1 | 697 |
// each new setting adds another LINE to the switch: |
698 |
sprintf(buf, "%s\n%s", old_value, new_value); |
|
699 |
value = buf; |
|
700 |
free_this_too = buf; |
|
701 |
} |
|
702 |
(void) CommandLineFlags::ccstrAtPut(name, &value, origin); |
|
703 |
// CommandLineFlags always returns a pointer that needs freeing. |
|
13195 | 704 |
FREE_C_HEAP_ARRAY(char, value, mtInternal); |
1 | 705 |
if (free_this_too != NULL) { |
706 |
// CommandLineFlags made its own copy, so I must delete my own temp. buffer. |
|
13195 | 707 |
FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
1 | 708 |
} |
709 |
return true; |
|
710 |
} |
|
711 |
||
712 |
bool Arguments::parse_argument(const char* arg, FlagValueOrigin origin) { |
|
713 |
||
714 |
// range of acceptable characters spelled out for portability reasons |
|
715 |
#define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" |
|
716 |
#define BUFLEN 255 |
|
717 |
char name[BUFLEN+1]; |
|
718 |
char dummy; |
|
719 |
||
720 |
if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { |
|
721 |
return set_bool_flag(name, false, origin); |
|
722 |
} |
|
723 |
if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { |
|
724 |
return set_bool_flag(name, true, origin); |
|
725 |
} |
|
726 |
||
727 |
char punct; |
|
728 |
if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { |
|
729 |
const char* value = strchr(arg, '=') + 1; |
|
730 |
Flag* flag = Flag::find_flag(name, strlen(name)); |
|
731 |
if (flag != NULL && flag->is_ccstr()) { |
|
732 |
if (flag->ccstr_accumulates()) { |
|
733 |
return append_to_string_flag(name, value, origin); |
|
734 |
} else { |
|
735 |
if (value[0] == '\0') { |
|
736 |
value = NULL; |
|
737 |
} |
|
738 |
return set_string_flag(name, value, origin); |
|
739 |
} |
|
740 |
} |
|
741 |
} |
|
742 |
||
743 |
if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { |
|
744 |
const char* value = strchr(arg, '=') + 1; |
|
745 |
// -XX:Foo:=xxx will reset the string flag to the given value. |
|
746 |
if (value[0] == '\0') { |
|
747 |
value = NULL; |
|
748 |
} |
|
749 |
return set_string_flag(name, value, origin); |
|
750 |
} |
|
751 |
||
752 |
#define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" |
|
753 |
#define SIGNED_NUMBER_RANGE "[-0123456789]" |
|
754 |
#define NUMBER_RANGE "[0123456789]" |
|
755 |
char value[BUFLEN + 1]; |
|
756 |
char value2[BUFLEN + 1]; |
|
757 |
if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { |
|
758 |
// Looks like a floating-point number -- try again with more lenient format string |
|
759 |
if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { |
|
760 |
return set_fp_numeric_flag(name, value, origin); |
|
761 |
} |
|
762 |
} |
|
763 |
||
764 |
#define VALUE_RANGE "[-kmgtKMGT0123456789]" |
|
765 |
if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { |
|
766 |
return set_numeric_flag(name, value, origin); |
|
767 |
} |
|
768 |
||
769 |
return false; |
|
770 |
} |
|
771 |
||
772 |
void Arguments::add_string(char*** bldarray, int* count, const char* arg) { |
|
773 |
assert(bldarray != NULL, "illegal argument"); |
|
774 |
||
775 |
if (arg == NULL) { |
|
776 |
return; |
|
777 |
} |
|
778 |
||
17319
7704ecd22af4
8013574: PrintMalloc conflicts with the command line parsing
brutisso
parents:
17022
diff
changeset
|
779 |
int new_count = *count + 1; |
1 | 780 |
|
781 |
// expand the array and add arg to the last element |
|
782 |
if (*bldarray == NULL) { |
|
17319
7704ecd22af4
8013574: PrintMalloc conflicts with the command line parsing
brutisso
parents:
17022
diff
changeset
|
783 |
*bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
1 | 784 |
} else { |
17319
7704ecd22af4
8013574: PrintMalloc conflicts with the command line parsing
brutisso
parents:
17022
diff
changeset
|
785 |
*bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
1 | 786 |
} |
17319
7704ecd22af4
8013574: PrintMalloc conflicts with the command line parsing
brutisso
parents:
17022
diff
changeset
|
787 |
(*bldarray)[*count] = strdup(arg); |
7704ecd22af4
8013574: PrintMalloc conflicts with the command line parsing
brutisso
parents:
17022
diff
changeset
|
788 |
*count = new_count; |
1 | 789 |
} |
790 |
||
791 |
void Arguments::build_jvm_args(const char* arg) { |
|
792 |
add_string(&_jvm_args_array, &_num_jvm_args, arg); |
|
793 |
} |
|
794 |
||
795 |
void Arguments::build_jvm_flags(const char* arg) { |
|
796 |
add_string(&_jvm_flags_array, &_num_jvm_flags, arg); |
|
797 |
} |
|
798 |
||
799 |
// utility function to return a string that concatenates all |
|
800 |
// strings in a given char** array |
|
801 |
const char* Arguments::build_resource_string(char** args, int count) { |
|
802 |
if (args == NULL || count == 0) { |
|
803 |
return NULL; |
|
804 |
} |
|
805 |
size_t length = strlen(args[0]) + 1; // add 1 for the null terminator |
|
806 |
for (int i = 1; i < count; i++) { |
|
807 |
length += strlen(args[i]) + 1; // add 1 for a space |
|
808 |
} |
|
809 |
char* s = NEW_RESOURCE_ARRAY(char, length); |
|
810 |
strcpy(s, args[0]); |
|
811 |
for (int j = 1; j < count; j++) { |
|
812 |
strcat(s, " "); |
|
813 |
strcat(s, args[j]); |
|
814 |
} |
|
815 |
return (const char*) s; |
|
816 |
} |
|
817 |
||
818 |
void Arguments::print_on(outputStream* st) { |
|
819 |
st->print_cr("VM Arguments:"); |
|
820 |
if (num_jvm_flags() > 0) { |
|
821 |
st->print("jvm_flags: "); print_jvm_flags_on(st); |
|
822 |
} |
|
823 |
if (num_jvm_args() > 0) { |
|
824 |
st->print("jvm_args: "); print_jvm_args_on(st); |
|
825 |
} |
|
826 |
st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); |
|
14117
6e2e697e310f
7053130: hs_err file does not record specified CLASSPATH
coleenp
parents:
14116
diff
changeset
|
827 |
if (_java_class_path != NULL) { |
6e2e697e310f
7053130: hs_err file does not record specified CLASSPATH
coleenp
parents:
14116
diff
changeset
|
828 |
char* path = _java_class_path->value(); |
6e2e697e310f
7053130: hs_err file does not record specified CLASSPATH
coleenp
parents:
14116
diff
changeset
|
829 |
st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
6e2e697e310f
7053130: hs_err file does not record specified CLASSPATH
coleenp
parents:
14116
diff
changeset
|
830 |
} |
1 | 831 |
st->print_cr("Launcher Type: %s", _sun_java_launcher); |
832 |
} |
|
833 |
||
834 |
void Arguments::print_jvm_flags_on(outputStream* st) { |
|
835 |
if (_num_jvm_flags > 0) { |
|
836 |
for (int i=0; i < _num_jvm_flags; i++) { |
|
837 |
st->print("%s ", _jvm_flags_array[i]); |
|
838 |
} |
|
839 |
st->print_cr(""); |
|
840 |
} |
|
841 |
} |
|
842 |
||
843 |
void Arguments::print_jvm_args_on(outputStream* st) { |
|
844 |
if (_num_jvm_args > 0) { |
|
845 |
for (int i=0; i < _num_jvm_args; i++) { |
|
846 |
st->print("%s ", _jvm_args_array[i]); |
|
847 |
} |
|
848 |
st->print_cr(""); |
|
849 |
} |
|
850 |
} |
|
851 |
||
950 | 852 |
bool Arguments::process_argument(const char* arg, |
853 |
jboolean ignore_unrecognized, FlagValueOrigin origin) { |
|
854 |
||
855 |
JDK_Version since = JDK_Version(); |
|
1 | 856 |
|
9177 | 857 |
if (parse_argument(arg, origin) || ignore_unrecognized) { |
858 |
return true; |
|
1 | 859 |
} |
9177 | 860 |
|
15442
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
861 |
bool has_plus_minus = (*arg == '+' || *arg == '-'); |
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
862 |
const char* const argname = has_plus_minus ? arg + 1 : arg; |
9177 | 863 |
if (is_newly_obsolete(arg, &since)) { |
864 |
char version[256]; |
|
865 |
since.to_string(version, sizeof(version)); |
|
866 |
warning("ignoring option %s; support was removed in %s", argname, version); |
|
867 |
return true; |
|
868 |
} |
|
869 |
||
12157
439a7166bf0f
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
12095
diff
changeset
|
870 |
// For locked flags, report a custom error message if available. |
439a7166bf0f
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
12095
diff
changeset
|
871 |
// Otherwise, report the standard unrecognized VM option. |
439a7166bf0f
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
12095
diff
changeset
|
872 |
|
15442
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
873 |
size_t arg_len; |
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
874 |
const char* equal_sign = strchr(argname, '='); |
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
875 |
if (equal_sign == NULL) { |
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
876 |
arg_len = strlen(argname); |
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
877 |
} else { |
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
878 |
arg_len = equal_sign - argname; |
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
879 |
} |
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
880 |
|
18497 | 881 |
Flag* found_flag = Flag::find_flag((const char*)argname, arg_len, true); |
15442
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
882 |
if (found_flag != NULL) { |
12157
439a7166bf0f
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
12095
diff
changeset
|
883 |
char locked_message_buf[BUFLEN]; |
15442
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
884 |
found_flag->get_locked_message(locked_message_buf, BUFLEN); |
12157
439a7166bf0f
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
12095
diff
changeset
|
885 |
if (strlen(locked_message_buf) == 0) { |
15442
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
886 |
if (found_flag->is_bool() && !has_plus_minus) { |
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
887 |
jio_fprintf(defaultStream::error_stream(), |
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
888 |
"Missing +/- setting for VM option '%s'\n", argname); |
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
889 |
} else if (!found_flag->is_bool() && has_plus_minus) { |
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
890 |
jio_fprintf(defaultStream::error_stream(), |
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
891 |
"Unexpected +/- setting in VM option '%s'\n", argname); |
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
892 |
} else { |
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
893 |
jio_fprintf(defaultStream::error_stream(), |
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
894 |
"Improperly specified VM option '%s'\n", argname); |
047acb1184df
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
15432
diff
changeset
|
895 |
} |
12157
439a7166bf0f
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
12095
diff
changeset
|
896 |
} else { |
439a7166bf0f
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
12095
diff
changeset
|
897 |
jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
439a7166bf0f
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
12095
diff
changeset
|
898 |
} |
12498 | 899 |
} else { |
900 |
jio_fprintf(defaultStream::error_stream(), |
|
901 |
"Unrecognized VM option '%s'\n", argname); |
|
18497 | 902 |
Flag* fuzzy_matched = Flag::fuzzy_match((const char*)argname, arg_len, true); |
903 |
if (fuzzy_matched != NULL) { |
|
904 |
jio_fprintf(defaultStream::error_stream(), |
|
905 |
"Did you mean '%s%s%s'?\n", |
|
906 |
(fuzzy_matched->is_bool()) ? "(+/-)" : "", |
|
907 |
fuzzy_matched->name, |
|
908 |
(fuzzy_matched->is_bool()) ? "" : "=<value>"); |
|
909 |
} |
|
12157
439a7166bf0f
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
12095
diff
changeset
|
910 |
} |
439a7166bf0f
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
12095
diff
changeset
|
911 |
|
9177 | 912 |
// allow for commandline "commenting out" options like -XX:#+Verbose |
913 |
return arg[0] == '#'; |
|
1 | 914 |
} |
915 |
||
916 |
bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { |
|
917 |
FILE* stream = fopen(file_name, "rb"); |
|
918 |
if (stream == NULL) { |
|
919 |
if (should_exist) { |
|
920 |
jio_fprintf(defaultStream::error_stream(), |
|
921 |
"Could not open settings file %s\n", file_name); |
|
922 |
return false; |
|
923 |
} else { |
|
924 |
return true; |
|
925 |
} |
|
926 |
} |
|
927 |
||
928 |
char token[1024]; |
|
929 |
int pos = 0; |
|
930 |
||
931 |
bool in_white_space = true; |
|
932 |
bool in_comment = false; |
|
933 |
bool in_quote = false; |
|
934 |
char quote_c = 0; |
|
935 |
bool result = true; |
|
936 |
||
937 |
int c = getc(stream); |
|
14139 | 938 |
while(c != EOF && pos < (int)(sizeof(token)-1)) { |
1 | 939 |
if (in_white_space) { |
940 |
if (in_comment) { |
|
941 |
if (c == '\n') in_comment = false; |
|
942 |
} else { |
|
943 |
if (c == '#') in_comment = true; |
|
944 |
else if (!isspace(c)) { |
|
945 |
in_white_space = false; |
|
946 |
token[pos++] = c; |
|
947 |
} |
|
948 |
} |
|
949 |
} else { |
|
950 |
if (c == '\n' || (!in_quote && isspace(c))) { |
|
951 |
// token ends at newline, or at unquoted whitespace |
|
952 |
// this allows a way to include spaces in string-valued options |
|
953 |
token[pos] = '\0'; |
|
954 |
logOption(token); |
|
955 |
result &= process_argument(token, ignore_unrecognized, CONFIG_FILE); |
|
956 |
build_jvm_flags(token); |
|
957 |
pos = 0; |
|
958 |
in_white_space = true; |
|
959 |
in_quote = false; |
|
960 |
} else if (!in_quote && (c == '\'' || c == '"')) { |
|
961 |
in_quote = true; |
|
962 |
quote_c = c; |
|
963 |
} else if (in_quote && (c == quote_c)) { |
|
964 |
in_quote = false; |
|
965 |
} else { |
|
966 |
token[pos++] = c; |
|
967 |
} |
|
968 |
} |
|
969 |
c = getc(stream); |
|
970 |
} |
|
971 |
if (pos > 0) { |
|
972 |
token[pos] = '\0'; |
|
973 |
result &= process_argument(token, ignore_unrecognized, CONFIG_FILE); |
|
974 |
build_jvm_flags(token); |
|
975 |
} |
|
976 |
fclose(stream); |
|
977 |
return result; |
|
978 |
} |
|
979 |
||
980 |
//============================================================================================================= |
|
981 |
// Parsing of properties (-D) |
|
982 |
||
983 |
const char* Arguments::get_property(const char* key) { |
|
984 |
return PropertyList_get_value(system_properties(), key); |
|
985 |
} |
|
986 |
||
987 |
bool Arguments::add_property(const char* prop) { |
|
988 |
const char* eq = strchr(prop, '='); |
|
989 |
char* key; |
|
990 |
// ns must be static--its address may be stored in a SystemProperty object. |
|
991 |
const static char ns[1] = {0}; |
|
992 |
char* value = (char *)ns; |
|
993 |
||
994 |
size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); |
|
13195 | 995 |
key = AllocateHeap(key_len + 1, mtInternal); |
1 | 996 |
strncpy(key, prop, key_len); |
997 |
key[key_len] = '\0'; |
|
998 |
||
999 |
if (eq != NULL) { |
|
1000 |
size_t value_len = strlen(prop) - key_len - 1; |
|
13195 | 1001 |
value = AllocateHeap(value_len + 1, mtInternal); |
1 | 1002 |
strncpy(value, &prop[key_len + 1], value_len + 1); |
1003 |
} |
|
1004 |
||
1005 |
if (strcmp(key, "java.compiler") == 0) { |
|
1006 |
process_java_compiler_argument(value); |
|
1007 |
FreeHeap(key); |
|
1008 |
if (eq != NULL) { |
|
1009 |
FreeHeap(value); |
|
1010 |
} |
|
1011 |
return true; |
|
2358 | 1012 |
} else if (strcmp(key, "sun.java.command") == 0) { |
1 | 1013 |
_java_command = value; |
1014 |
||
7900
4c7fc6332f7e
6994753: Implement optional hook to a Java method at VM startup.
kevinw
parents:
7719
diff
changeset
|
1015 |
// Record value in Arguments, but let it get passed to Java. |
2358 | 1016 |
} else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
1 | 1017 |
// launcher.pid property is private and is processed |
1018 |
// in process_sun_java_launcher_properties(); |
|
1019 |
// the sun.java.launcher property is passed on to the java application |
|
1020 |
FreeHeap(key); |
|
1021 |
if (eq != NULL) { |
|
1022 |
FreeHeap(value); |
|
1023 |
} |
|
1024 |
return true; |
|
2358 | 1025 |
} else if (strcmp(key, "java.vendor.url.bug") == 0) { |
1 | 1026 |
// save it in _java_vendor_url_bug, so JVM fatal error handler can access |
1027 |
// its value without going through the property list or making a Java call. |
|
1028 |
_java_vendor_url_bug = value; |
|
2358 | 1029 |
} else if (strcmp(key, "sun.boot.library.path") == 0) { |
1030 |
PropertyList_unique_add(&_system_properties, key, value, true); |
|
1031 |
return true; |
|
1 | 1032 |
} |
1033 |
// Create new property and add at the end of the list |
|
1034 |
PropertyList_unique_add(&_system_properties, key, value); |
|
1035 |
return true; |
|
1036 |
} |
|
1037 |
||
1038 |
//=========================================================================================================== |
|
1039 |
// Setting int/mixed/comp mode flags |
|
1040 |
||
1041 |
void Arguments::set_mode_flags(Mode mode) { |
|
1042 |
// Set up default values for all flags. |
|
1043 |
// If you add a flag to any of the branches below, |
|
1044 |
// add a default value for it here. |
|
1045 |
set_java_compiler(false); |
|
1046 |
_mode = mode; |
|
1047 |
||
1048 |
// Ensure Agent_OnLoad has the correct initial values. |
|
1049 |
// This may not be the final mode; mode may change later in onload phase. |
|
1050 |
PropertyList_unique_add(&_system_properties, "java.vm.info", |
|
9427
eeb8acc0cf2c
7036267: c2/arm: mark version number as experimental and disable on unsupported platforms
dholmes
parents:
9187
diff
changeset
|
1051 |
(char*)VM_Version::vm_info_string(), false); |
1 | 1052 |
|
1053 |
UseInterpreter = true; |
|
1054 |
UseCompiler = true; |
|
1055 |
UseLoopCounter = true; |
|
1056 |
||
9114
db10549c184e
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
8883
diff
changeset
|
1057 |
#ifndef ZERO |
db10549c184e
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
8883
diff
changeset
|
1058 |
// Turn these off for mixed and comp. Leave them on for Zero. |
db10549c184e
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
8883
diff
changeset
|
1059 |
if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
9442
6aaa5529f807
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
9187
diff
changeset
|
1060 |
UseFastAccessorMethods = (mode == _int); |
9114
db10549c184e
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
8883
diff
changeset
|
1061 |
} |
db10549c184e
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
8883
diff
changeset
|
1062 |
if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
9442
6aaa5529f807
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
9187
diff
changeset
|
1063 |
UseFastEmptyMethods = (mode == _int); |
9114
db10549c184e
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
8883
diff
changeset
|
1064 |
} |
db10549c184e
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
8883
diff
changeset
|
1065 |
#endif |
db10549c184e
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
8883
diff
changeset
|
1066 |
|
1 | 1067 |
// Default values may be platform/compiler dependent - |
1068 |
// use the saved values |
|
1069 |
ClipInlining = Arguments::_ClipInlining; |
|
1070 |
AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; |
|
1071 |
UseOnStackReplacement = Arguments::_UseOnStackReplacement; |
|
1072 |
BackgroundCompilation = Arguments::_BackgroundCompilation; |
|
1073 |
||
1074 |
// Change from defaults based on mode |
|
1075 |
switch (mode) { |
|
1076 |
default: |
|
1077 |
ShouldNotReachHere(); |
|
1078 |
break; |
|
1079 |
case _int: |
|
1080 |
UseCompiler = false; |
|
1081 |
UseLoopCounter = false; |
|
1082 |
AlwaysCompileLoopMethods = false; |
|
1083 |
UseOnStackReplacement = false; |
|
1084 |
break; |
|
1085 |
case _mixed: |
|
1086 |
// same as default |
|
1087 |
break; |
|
1088 |
case _comp: |
|
1089 |
UseInterpreter = false; |
|
1090 |
BackgroundCompilation = false; |
|
1091 |
ClipInlining = false; |
|
11426
7dd181af6a26
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
11187
diff
changeset
|
1092 |
// Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
7dd181af6a26
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
11187
diff
changeset
|
1093 |
// We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
7dd181af6a26
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
11187
diff
changeset
|
1094 |
// compile a level 4 (C2) and then continue executing it. |
7dd181af6a26
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
11187
diff
changeset
|
1095 |
if (TieredCompilation) { |
7dd181af6a26
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
11187
diff
changeset
|
1096 |
Tier3InvokeNotifyFreqLog = 0; |
7dd181af6a26
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
11187
diff
changeset
|
1097 |
Tier4InvocationThreshold = 0; |
7dd181af6a26
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
11187
diff
changeset
|
1098 |
} |
1 | 1099 |
break; |
1100 |
} |
|
1101 |
} |
|
1102 |
||
20058
fc8fd1c76fe2
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
20054
diff
changeset
|
1103 |
#if defined(COMPILER2) || defined(_LP64) || !INCLUDE_CDS |
1 | 1104 |
// Conflict: required to use shared spaces (-Xshare:on), but |
1105 |
// incompatible command line options were chosen. |
|
1106 |
||
1107 |
static void no_shared_spaces() { |
|
1108 |
if (RequireSharedSpaces) { |
|
1109 |
jio_fprintf(defaultStream::error_stream(), |
|
1110 |
"Class data sharing is inconsistent with other specified options.\n"); |
|
1111 |
vm_exit_during_initialization("Unable to use shared archive.", NULL); |
|
1112 |
} else { |
|
1113 |
FLAG_SET_DEFAULT(UseSharedSpaces, false); |
|
1114 |
} |
|
1115 |
} |
|
20058
fc8fd1c76fe2
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
20054
diff
changeset
|
1116 |
#endif |
1 | 1117 |
|
6453 | 1118 |
void Arguments::set_tiered_flags() { |
8667
b32929355d27
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
8499
diff
changeset
|
1119 |
// With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
6453 | 1120 |
if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
8667
b32929355d27
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
8499
diff
changeset
|
1121 |
FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
6453 | 1122 |
} |
1123 |
if (CompilationPolicyChoice < 2) { |
|
1124 |
vm_exit_during_initialization( |
|
1125 |
"Incompatible compilation policy selected", NULL); |
|
1126 |
} |
|
6988
282ba493439c
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
6987
diff
changeset
|
1127 |
// Increase the code cache size - tiered compiles a lot more. |
6453 | 1128 |
if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
15613
7c250aa645c5
8006851: When TieredCompilation is set, max code cache should be bumped to 256mb
morris
parents:
15484
diff
changeset
|
1129 |
FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
6453 | 1130 |
} |
17383 | 1131 |
if (!UseInterpreter) { // -Xcomp |
1132 |
Tier3InvokeNotifyFreqLog = 0; |
|
1133 |
Tier4InvocationThreshold = 0; |
|
1134 |
} |
|
6453 | 1135 |
} |
1136 |
||
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
15119
diff
changeset
|
1137 |
#if INCLUDE_ALL_GCS |
11585 | 1138 |
static void disable_adaptive_size_policy(const char* collector_name) { |
1139 |
if (UseAdaptiveSizePolicy) { |
|
1140 |
if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { |
|
1141 |
warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", |
|
1142 |
collector_name); |
|
1143 |
} |
|
1144 |
FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); |
|
1145 |
} |
|
1146 |
} |
|
1147 |
||
1 | 1148 |
void Arguments::set_parnew_gc_flags() { |
4434 | 1149 |
assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
1374
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changeset
|
1150 |
"control point invariant"); |
4c24294029a9
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382
diff
changeset
|
1151 |
assert(UseParNewGC, "Error"); |
1 | 1152 |
|
11585 | 1153 |
// Turn off AdaptiveSizePolicy for parnew until it is complete. |
1154 |
disable_adaptive_size_policy("UseParNewGC"); |
|
183
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jmasa
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1
diff
changeset
|
1155 |
|
15091
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8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
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diff
changeset
|
1156 |
if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
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diff
changeset
|
1157 |
FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
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14740
diff
changeset
|
1158 |
assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1159 |
} else if (ParallelGCThreads == 0) { |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1160 |
jio_fprintf(defaultStream::error_stream(), |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1161 |
"The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
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diff
changeset
|
1162 |
vm_exit(1); |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1163 |
} |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1164 |
|
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1165 |
// By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
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diff
changeset
|
1166 |
// these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1167 |
// we set them to 1024 and 1024. |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
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diff
changeset
|
1168 |
// See CR 6362902. |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
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diff
changeset
|
1169 |
if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1170 |
FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
1 | 1171 |
} |
15091
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
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diff
changeset
|
1172 |
if (FLAG_IS_DEFAULT(OldPLABSize)) { |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
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diff
changeset
|
1173 |
FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
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parents:
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diff
changeset
|
1174 |
} |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
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diff
changeset
|
1175 |
|
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
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diff
changeset
|
1176 |
// AlwaysTenure flag should make ParNew promote all at first collection. |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
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diff
changeset
|
1177 |
// See CR 6362902. |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1178 |
if (AlwaysTenure) { |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1179 |
FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1180 |
} |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1181 |
// When using compressed oops, we use local overflow stacks, |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1182 |
// rather than using a global overflow list chained through |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1183 |
// the klass word of the object's pre-image. |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1184 |
if (UseCompressedOops && !ParGCUseLocalOverflow) { |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1185 |
if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1186 |
warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
1 | 1187 |
} |
15091
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1188 |
FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
1 | 1189 |
} |
15091
826cff1f58f5
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
14740
diff
changeset
|
1190 |
assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
1 | 1191 |
} |
1192 |
||
1193 |
// Adjust some sizes to suit CMS and/or ParNew needs; these work well on |
|
1194 |
// sparc/solaris for certain applications, but would gain from |
|
1195 |
// further optimization and tuning efforts, and would almost |
|
1196 |
// certainly gain from analysis of platform and environment. |
|
1197 |
void Arguments::set_cms_and_parnew_gc_flags() { |
|
4434 | 1198 |
assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1199 |
assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1200 |
|
1 | 1201 |
// If we are using CMS, we prefer to UseParNewGC, |
1202 |
// unless explicitly forbidden. |
|
1374
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6711316: Open source the Garbage-First garbage collector
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diff
changeset
|
1203 |
if (FLAG_IS_DEFAULT(UseParNewGC)) { |
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1204 |
FLAG_SET_ERGO(bool, UseParNewGC, true); |
1 | 1205 |
} |
1206 |
||
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
1207 |
// Turn off AdaptiveSizePolicy by default for cms until it is complete. |
11585 | 1208 |
disable_adaptive_size_policy("UseConcMarkSweepGC"); |
1 | 1209 |
|
1210 |
// In either case, adjust ParallelGCThreads and/or UseParNewGC |
|
1211 |
// as needed. |
|
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1212 |
if (UseParNewGC) { |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1213 |
set_parnew_gc_flags(); |
1 | 1214 |
} |
1215 |
||
8687
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
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8685
diff
changeset
|
1216 |
size_t max_heap = align_size_down(MaxHeapSize, |
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1217 |
CardTableRS::ct_max_alignment_constraint()); |
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1218 |
|
1 | 1219 |
// Now make adjustments for CMS |
8687
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1220 |
intx tenuring_default = (intx)6; |
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1221 |
size_t young_gen_per_worker = CMSYoungGenPerWorker; |
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1222 |
|
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1223 |
// Preferred young gen size for "short" pauses: |
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1224 |
// upper bound depends on # of threads and NewRatio. |
1 | 1225 |
const uintx parallel_gc_threads = |
1226 |
(ParallelGCThreads == 0 ? 1 : ParallelGCThreads); |
|
1227 |
const size_t preferred_max_new_size_unaligned = |
|
8687
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1228 |
MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1229 |
size_t preferred_max_new_size = |
1 | 1230 |
align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
1231 |
||
1232 |
// Unless explicitly requested otherwise, size young gen |
|
8687
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1233 |
// for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
3586
33e632b72dbf
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
3262
diff
changeset
|
1234 |
|
33e632b72dbf
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
3262
diff
changeset
|
1235 |
// If either MaxNewSize or NewRatio is set on the command line, |
33e632b72dbf
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
3262
diff
changeset
|
1236 |
// assume the user is trying to set the size of the young gen. |
33e632b72dbf
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
3262
diff
changeset
|
1237 |
if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
33e632b72dbf
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
3262
diff
changeset
|
1238 |
|
33e632b72dbf
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
3262
diff
changeset
|
1239 |
// Set MaxNewSize to our calculated preferred_max_new_size unless |
33e632b72dbf
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
3262
diff
changeset
|
1240 |
// NewSize was set on the command line and it is larger than |
33e632b72dbf
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
3262
diff
changeset
|
1241 |
// preferred_max_new_size. |
1 | 1242 |
if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
186
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1243 |
FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
1 | 1244 |
} else { |
186
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1245 |
FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
1 | 1246 |
} |
4434 | 1247 |
if (PrintGCDetails && Verbose) { |
186
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1248 |
// Too early to use gclog_or_tty |
8687
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1249 |
tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
3586
33e632b72dbf
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
3262
diff
changeset
|
1250 |
} |
33e632b72dbf
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
3262
diff
changeset
|
1251 |
|
33e632b72dbf
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
3262
diff
changeset
|
1252 |
// Code along this path potentially sets NewSize and OldSize |
4434 | 1253 |
if (PrintGCDetails && Verbose) { |
186
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1254 |
// Too early to use gclog_or_tty |
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1255 |
tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1256 |
" initial_heap_size: " SIZE_FORMAT |
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1257 |
" max_heap: " SIZE_FORMAT, |
4434 | 1258 |
min_heap_size(), InitialHeapSize, max_heap); |
186
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1259 |
} |
8687
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1260 |
size_t min_new = preferred_max_new_size; |
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1261 |
if (FLAG_IS_CMDLINE(NewSize)) { |
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1262 |
min_new = NewSize; |
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1263 |
} |
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1264 |
if (max_heap > min_new && min_heap_size() > min_new) { |
1 | 1265 |
// Unless explicitly requested otherwise, make young gen |
1266 |
// at least min_new, and at most preferred_max_new_size. |
|
1267 |
if (FLAG_IS_DEFAULT(NewSize)) { |
|
186
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1268 |
FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1269 |
FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
4434 | 1270 |
if (PrintGCDetails && Verbose) { |
186
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1271 |
// Too early to use gclog_or_tty |
8687
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1272 |
tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
186
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1273 |
} |
1 | 1274 |
} |
1275 |
// Unless explicitly requested otherwise, size old gen |
|
8687
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1276 |
// so it's NewRatio x of NewSize. |
1 | 1277 |
if (FLAG_IS_DEFAULT(OldSize)) { |
1278 |
if (max_heap > NewSize) { |
|
8687
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1279 |
FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
4434 | 1280 |
if (PrintGCDetails && Verbose) { |
186
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1281 |
// Too early to use gclog_or_tty |
8687
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
1282 |
tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
186
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
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183
diff
changeset
|
1283 |
} |
1 | 1284 |
} |
1285 |
} |
|
1286 |
} |
|
1287 |
} |
|
1288 |
// Unless explicitly requested otherwise, definitely |
|
1289 |
// promote all objects surviving "tenuring_default" scavenges. |
|
1290 |
if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && |
|
1291 |
FLAG_IS_DEFAULT(SurvivorRatio)) { |
|
13925 | 1292 |
FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
1 | 1293 |
} |
1294 |
// If we decided above (or user explicitly requested) |
|
1295 |
// `promote all' (via MaxTenuringThreshold := 0), |
|
1296 |
// prefer minuscule survivor spaces so as not to waste |
|
1297 |
// space for (non-existent) survivors |
|
1298 |
if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { |
|
15605 | 1299 |
FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
1 | 1300 |
} |
1301 |
// If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, |
|
1302 |
// set CMSParPromoteBlocksToClaim equal to OldPLABSize. |
|
1303 |
// This is done in order to make ParNew+CMS configuration to work |
|
1304 |
// with YoungPLABSize and OldPLABSize options. |
|
1305 |
// See CR 6362902. |
|
1306 |
if (!FLAG_IS_DEFAULT(OldPLABSize)) { |
|
1307 |
if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
|
186
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1308 |
// OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1309 |
// is. In this situtation let CMSParPromoteBlocksToClaim follow |
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1310 |
// the value (either from the command line or ergonomics) of |
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1311 |
// OldPLABSize. Following OldPLABSize is an ergonomics decision. |
32e6c95f8d9b
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
183
diff
changeset
|
1312 |
FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
4574
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
1313 |
} else { |
1 | 1314 |
// OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
1315 |
// CMSParPromoteBlocksToClaim is a collector-specific flag, so |
|
1316 |
// we'll let it to take precedence. |
|
1317 |
jio_fprintf(defaultStream::error_stream(), |
|
3586
33e632b72dbf
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
3262
diff
changeset
|
1318 |
"Both OldPLABSize and CMSParPromoteBlocksToClaim" |
33e632b72dbf
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
3262
diff
changeset
|
1319 |
" options are specified for the CMS collector." |
33e632b72dbf
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
3262
diff
changeset
|
1320 |
" CMSParPromoteBlocksToClaim will take precedence.\n"); |
1 | 1321 |
} |
1322 |
} |
|
4574
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
1323 |
if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
1324 |
// OldPLAB sizing manually turned off: Use a larger default setting, |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
1325 |
// unless it was manually specified. This is because a too-low value |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
1326 |
// will slow down scavenges. |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
1327 |
if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
1328 |
FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
1329 |
} |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
1330 |
} |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
1331 |
// Overwrite OldPLABSize which is the variable we will internally use everywhere. |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
1332 |
FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
1333 |
// If either of the static initialization defaults have changed, note this |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
1334 |
// modification. |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
1335 |
if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
1336 |
CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
1337 |
} |
5035 | 1338 |
if (PrintGCDetails && Verbose) { |
1339 |
tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
|
1340 |
MarkStackSize / K, MarkStackSizeMax / K); |
|
1341 |
tty->print_cr("ConcGCThreads: %u", ConcGCThreads); |
|
1342 |
} |
|
1 | 1343 |
} |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
15119
diff
changeset
|
1344 |
#endif // INCLUDE_ALL_GCS |
1 | 1345 |
|
5694
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1346 |
void set_object_alignment() { |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1347 |
// Object alignment. |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1348 |
assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1349 |
MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1350 |
assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1351 |
MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1352 |
assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1353 |
MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1354 |
|
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1355 |
LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1356 |
LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1357 |
|
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1358 |
// Oop encoding heap max |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1359 |
OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1360 |
|
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
15119
diff
changeset
|
1361 |
#if INCLUDE_ALL_GCS |
5694
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1362 |
// Set CMS global values |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1363 |
CompactibleFreeListSpace::set_cms_values(); |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
15119
diff
changeset
|
1364 |
#endif // INCLUDE_ALL_GCS |
5694
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1365 |
} |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1366 |
|
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1367 |
bool verify_object_alignment() { |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1368 |
// Object alignment. |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1369 |
if (!is_power_of_2(ObjectAlignmentInBytes)) { |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1370 |
jio_fprintf(defaultStream::error_stream(), |
6755
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1371 |
"error: ObjectAlignmentInBytes=%d must be power of 2\n", |
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1372 |
(int)ObjectAlignmentInBytes); |
5694
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1373 |
return false; |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1374 |
} |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1375 |
if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1376 |
jio_fprintf(defaultStream::error_stream(), |
6755
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1377 |
"error: ObjectAlignmentInBytes=%d must be greater or equal %d\n", |
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1378 |
(int)ObjectAlignmentInBytes, BytesPerLong); |
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1379 |
return false; |
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1380 |
} |
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1381 |
// It does not make sense to have big object alignment |
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1382 |
// since a space lost due to alignment will be greater |
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1383 |
// then a saved space from compressed oops. |
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1384 |
if ((int)ObjectAlignmentInBytes > 256) { |
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1385 |
jio_fprintf(defaultStream::error_stream(), |
15101
58d43bf04c45
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
15098
diff
changeset
|
1386 |
"error: ObjectAlignmentInBytes=%d must not be greater than 256\n", |
6755
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1387 |
(int)ObjectAlignmentInBytes); |
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1388 |
return false; |
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1389 |
} |
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1390 |
// In case page size is very small. |
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1391 |
if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1392 |
jio_fprintf(defaultStream::error_stream(), |
15101
58d43bf04c45
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
15098
diff
changeset
|
1393 |
"error: ObjectAlignmentInBytes=%d must be less than page size %d\n", |
6755
58237fa09b63
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
6466
diff
changeset
|
1394 |
(int)ObjectAlignmentInBytes, os::vm_page_size()); |
5694
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1395 |
return false; |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1396 |
} |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1397 |
return true; |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1398 |
} |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
1399 |
|
19986
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1400 |
uintx Arguments::max_heap_for_compressed_oops() { |
7388 | 1401 |
// Avoid sign flip. |
19319
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1402 |
assert(OopEncodingHeapMax > (uint64_t)os::vm_page_size(), "Unusual page size"); |
19986
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1403 |
// We need to fit both the NULL page and the heap into the memory budget, while |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1404 |
// keeping alignment constraints of the heap. To guarantee the latter, as the |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1405 |
// NULL page is located before the heap, we pad the NULL page to the conservative |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1406 |
// maximum alignment that the GC may ever impose upon the heap. |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1407 |
size_t displacement_due_to_null_page = align_size_up_(os::vm_page_size(), |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1408 |
Arguments::conservative_max_heap_alignment()); |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1409 |
|
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1410 |
LP64_ONLY(return OopEncodingHeapMax - displacement_due_to_null_page); |
4434 | 1411 |
NOT_LP64(ShouldNotReachHere(); return 0); |
382
02c0a63f30d6
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
360
diff
changeset
|
1412 |
} |
02c0a63f30d6
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
360
diff
changeset
|
1413 |
|
1 | 1414 |
bool Arguments::should_auto_select_low_pause_collector() { |
1415 |
if (UseAutoGCSelectPolicy && |
|
1416 |
!FLAG_IS_DEFAULT(MaxGCPauseMillis) && |
|
1417 |
(MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { |
|
1418 |
if (PrintGCDetails) { |
|
1419 |
// Cannot use gclog_or_tty yet. |
|
1420 |
tty->print_cr("Automatic selection of the low pause collector" |
|
1421 |
" based on pause goal of %d (ms)", MaxGCPauseMillis); |
|
1422 |
} |
|
1423 |
return true; |
|
1424 |
} |
|
1425 |
return false; |
|
1426 |
} |
|
1427 |
||
15957
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1428 |
void Arguments::set_use_compressed_oops() { |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1429 |
#ifndef ZERO |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1430 |
#ifdef _LP64 |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1431 |
// MaxHeapSize is not set up properly at this point, but |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1432 |
// the only value that can override MaxHeapSize if we are |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1433 |
// to use UseCompressedOops is InitialHeapSize. |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1434 |
size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1435 |
|
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1436 |
if (max_heap_size <= max_heap_for_compressed_oops()) { |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1437 |
#if !defined(COMPILER1) || defined(TIERED) |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1438 |
if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1439 |
FLAG_SET_ERGO(bool, UseCompressedOops, true); |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1440 |
} |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1441 |
#endif |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1442 |
#ifdef _WIN64 |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1443 |
if (UseLargePages && UseCompressedOops) { |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1444 |
// Cannot allocate guard pages for implicit checks in indexed addressing |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1445 |
// mode, when large pages are specified on windows. |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1446 |
// This flag could be switched ON if narrow oop base address is set to 0, |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1447 |
// see code in Universe::initialize_heap(). |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1448 |
Universe::set_narrow_oop_use_implicit_null_checks(false); |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1449 |
} |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1450 |
#endif // _WIN64 |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1451 |
} else { |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1452 |
if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1453 |
warning("Max heap size too large for Compressed Oops"); |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1454 |
FLAG_SET_DEFAULT(UseCompressedOops, false); |
19979
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
1455 |
FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
15957
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1456 |
} |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1457 |
} |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1458 |
#endif // _LP64 |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1459 |
#endif // ZERO |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1460 |
} |
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1461 |
|
19319
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1462 |
|
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1463 |
// NOTE: set_use_compressed_klass_ptrs() must be called after calling |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1464 |
// set_use_compressed_oops(). |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1465 |
void Arguments::set_use_compressed_klass_ptrs() { |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1466 |
#ifndef ZERO |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1467 |
#ifdef _LP64 |
19979
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
1468 |
// UseCompressedOops must be on for UseCompressedClassPointers to be on. |
19319
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1469 |
if (!UseCompressedOops) { |
19979
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
1470 |
if (UseCompressedClassPointers) { |
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
1471 |
warning("UseCompressedClassPointers requires UseCompressedOops"); |
19319
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1472 |
} |
19979
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
1473 |
FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
19319
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1474 |
} else { |
19979
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
1475 |
// Turn on UseCompressedClassPointers too |
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
1476 |
if (FLAG_IS_DEFAULT(UseCompressedClassPointers)) { |
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
1477 |
FLAG_SET_ERGO(bool, UseCompressedClassPointers, true); |
19319
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1478 |
} |
19979
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
1479 |
// Check the CompressedClassSpaceSize to make sure we use compressed klass ptrs. |
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
1480 |
if (UseCompressedClassPointers) { |
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
1481 |
if (CompressedClassSpaceSize > KlassEncodingMetaspaceMax) { |
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
1482 |
warning("CompressedClassSpaceSize is too large for UseCompressedClassPointers"); |
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
1483 |
FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
19319
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1484 |
} |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1485 |
} |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1486 |
} |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1487 |
#endif // _LP64 |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1488 |
#endif // !ZERO |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1489 |
} |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1490 |
|
19986
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1491 |
void Arguments::set_conservative_max_heap_alignment() { |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1492 |
// The conservative maximum required alignment for the heap is the maximum of |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1493 |
// the alignments imposed by several sources: any requirements from the heap |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1494 |
// itself, the collector policy and the maximum page size we may run the VM |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1495 |
// with. |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1496 |
size_t heap_alignment = GenCollectedHeap::conservative_max_heap_alignment(); |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1497 |
#if INCLUDE_ALL_GCS |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1498 |
if (UseParallelGC) { |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1499 |
heap_alignment = ParallelScavengeHeap::conservative_max_heap_alignment(); |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1500 |
} else if (UseG1GC) { |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1501 |
heap_alignment = G1CollectedHeap::conservative_max_heap_alignment(); |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1502 |
} |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1503 |
#endif // INCLUDE_ALL_GCS |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1504 |
_conservative_max_heap_alignment = MAX3(heap_alignment, os::max_page_size(), |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1505 |
CollectorPolicy::compute_max_alignment()); |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1506 |
} |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1507 |
|
1 | 1508 |
void Arguments::set_ergonomics_flags() { |
1509 |
||
11790 | 1510 |
if (os::is_server_class_machine()) { |
1 | 1511 |
// If no other collector is requested explicitly, |
1512 |
// let the VM select the collector based on |
|
1513 |
// machine class and automatic selection policy. |
|
1514 |
if (!UseSerialGC && |
|
1515 |
!UseConcMarkSweepGC && |
|
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1516 |
!UseG1GC && |
1 | 1517 |
!UseParNewGC && |
1518 |
FLAG_IS_DEFAULT(UseParallelGC)) { |
|
1519 |
if (should_auto_select_low_pause_collector()) { |
|
1520 |
FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); |
|
1521 |
} else { |
|
1522 |
FLAG_SET_ERGO(bool, UseParallelGC, true); |
|
1523 |
} |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13516
diff
changeset
|
1524 |
} |
1 | 1525 |
} |
20058
fc8fd1c76fe2
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
20054
diff
changeset
|
1526 |
#ifdef COMPILER2 |
fc8fd1c76fe2
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
20054
diff
changeset
|
1527 |
// Shared spaces work fine with other GCs but causes bytecode rewriting |
fc8fd1c76fe2
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
20054
diff
changeset
|
1528 |
// to be disabled, which hurts interpreter performance and decreases |
fc8fd1c76fe2
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
20054
diff
changeset
|
1529 |
// server performance. When -server is specified, keep the default off |
fc8fd1c76fe2
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
20054
diff
changeset
|
1530 |
// unless it is asked for. Future work: either add bytecode rewriting |
fc8fd1c76fe2
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
20054
diff
changeset
|
1531 |
// at link time, or rewrite bytecodes in non-shared methods. |
fc8fd1c76fe2
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
20054
diff
changeset
|
1532 |
if (!DumpSharedSpaces && !RequireSharedSpaces && |
fc8fd1c76fe2
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
20054
diff
changeset
|
1533 |
(FLAG_IS_DEFAULT(UseSharedSpaces) || !UseSharedSpaces)) { |
fc8fd1c76fe2
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
20054
diff
changeset
|
1534 |
no_shared_spaces(); |
fc8fd1c76fe2
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
20054
diff
changeset
|
1535 |
} |
fc8fd1c76fe2
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
20054
diff
changeset
|
1536 |
#endif |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
249
diff
changeset
|
1537 |
|
19986
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1538 |
set_conservative_max_heap_alignment(); |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
1539 |
|
4013 | 1540 |
#ifndef ZERO |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
249
diff
changeset
|
1541 |
#ifdef _LP64 |
15957
58302a2ffb9a
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
15950
diff
changeset
|
1542 |
set_use_compressed_oops(); |
19319
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1543 |
|
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1544 |
// set_use_compressed_klass_ptrs() must be called after calling |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1545 |
// set_use_compressed_oops(). |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1546 |
set_use_compressed_klass_ptrs(); |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
1547 |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
249
diff
changeset
|
1548 |
// Also checks that certain machines are slower with compressed oops |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
249
diff
changeset
|
1549 |
// in vm_version initialization code. |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
249
diff
changeset
|
1550 |
#endif // _LP64 |
4013 | 1551 |
#endif // !ZERO |
1 | 1552 |
} |
1553 |
||
1554 |
void Arguments::set_parallel_gc_flags() { |
|
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1555 |
assert(UseParallelGC || UseParallelOldGC, "Error"); |
11643 | 1556 |
// Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
1557 |
if (FLAG_IS_DEFAULT(UseParallelOldGC)) { |
|
1558 |
FLAG_SET_DEFAULT(UseParallelOldGC, true); |
|
1 | 1559 |
} |
11643 | 1560 |
FLAG_SET_DEFAULT(UseParallelGC, true); |
1 | 1561 |
|
1562 |
// If no heap maximum was requested explicitly, use some reasonable fraction |
|
1563 |
// of the physical memory, up to a maximum of 1GB. |
|
15111
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1564 |
FLAG_SET_DEFAULT(ParallelGCThreads, |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1565 |
Abstract_VM_Version::parallel_worker_threads()); |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1566 |
if (ParallelGCThreads == 0) { |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1567 |
jio_fprintf(defaultStream::error_stream(), |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1568 |
"The Parallel GC can not be combined with -XX:ParallelGCThreads=0\n"); |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1569 |
vm_exit(1); |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1570 |
} |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1571 |
|
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1572 |
|
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1573 |
// If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1574 |
// SurvivorRatio has been set, reset their default values to SurvivorRatio + |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1575 |
// 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1576 |
// See CR 6362902 for details. |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1577 |
if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1578 |
if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1579 |
FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
1 | 1580 |
} |
15111
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1581 |
if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1582 |
FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1583 |
} |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1584 |
} |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1585 |
|
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1586 |
if (UseParallelOldGC) { |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1587 |
// Par compact uses lower default values since they are treated as |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1588 |
// minimums. These are different defaults because of the different |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1589 |
// interpretation and are not ergonomically set. |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1590 |
if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
50ab480cb8d6
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
15093
diff
changeset
|
1591 |
FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
1 | 1592 |
} |
1593 |
} |
|
1594 |
} |
|
1595 |
||
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1596 |
void Arguments::set_g1_gc_flags() { |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1597 |
assert(UseG1GC, "Error"); |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1598 |
#ifdef COMPILER1 |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1599 |
FastTLABRefill = false; |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1600 |
#endif |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1601 |
FLAG_SET_DEFAULT(ParallelGCThreads, |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1602 |
Abstract_VM_Version::parallel_worker_threads()); |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1603 |
if (ParallelGCThreads == 0) { |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1604 |
FLAG_SET_DEFAULT(ParallelGCThreads, |
2741 | 1605 |
Abstract_VM_Version::parallel_worker_threads()); |
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1606 |
} |
2741 | 1607 |
|
14740
1431ef92fed1
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
14580
diff
changeset
|
1608 |
// MarkStackSize will be set (if it hasn't been set by the user) |
1431ef92fed1
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
14580
diff
changeset
|
1609 |
// when concurrent marking is initialized. |
1431ef92fed1
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
14580
diff
changeset
|
1610 |
// Its value will be based upon the number of parallel marking threads. |
1431ef92fed1
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
14580
diff
changeset
|
1611 |
// But we do set the maximum mark stack size here. |
1431ef92fed1
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
14580
diff
changeset
|
1612 |
if (FLAG_IS_DEFAULT(MarkStackSizeMax)) { |
1431ef92fed1
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
14580
diff
changeset
|
1613 |
FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
5035 | 1614 |
} |
5240 | 1615 |
|
1616 |
if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { |
|
1617 |
// In G1, we want the default GC overhead goal to be higher than |
|
1618 |
// say in PS. So we set it here to 10%. Otherwise the heap might |
|
1619 |
// be expanded more aggressively than we would like it to. In |
|
1620 |
// fact, even 10% seems to not be high enough in some cases |
|
1621 |
// (especially small GC stress tests that the main thing they do |
|
1622 |
// is allocation). We might consider increase it further. |
|
1623 |
FLAG_SET_DEFAULT(GCTimeRatio, 9); |
|
1624 |
} |
|
14740
1431ef92fed1
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
14580
diff
changeset
|
1625 |
|
1431ef92fed1
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
14580
diff
changeset
|
1626 |
if (PrintGCDetails && Verbose) { |
1431ef92fed1
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
14580
diff
changeset
|
1627 |
tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
1431ef92fed1
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
14580
diff
changeset
|
1628 |
MarkStackSize / K, MarkStackSizeMax / K); |
1431ef92fed1
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
14580
diff
changeset
|
1629 |
tty->print_cr("ConcGCThreads: %u", ConcGCThreads); |
1431ef92fed1
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
14580
diff
changeset
|
1630 |
} |
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1631 |
} |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1632 |
|
16605
ba13efd453bc
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
16450
diff
changeset
|
1633 |
julong Arguments::limit_by_allocatable_memory(julong limit) { |
ba13efd453bc
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
16450
diff
changeset
|
1634 |
julong max_allocatable; |
ba13efd453bc
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
16450
diff
changeset
|
1635 |
julong result = limit; |
ba13efd453bc
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
16450
diff
changeset
|
1636 |
if (os::has_allocatable_memory_limit(&max_allocatable)) { |
ba13efd453bc
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
16450
diff
changeset
|
1637 |
result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
ba13efd453bc
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
16450
diff
changeset
|
1638 |
} |
ba13efd453bc
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
16450
diff
changeset
|
1639 |
return result; |
ba13efd453bc
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
16450
diff
changeset
|
1640 |
} |
ba13efd453bc
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
16450
diff
changeset
|
1641 |
|
4434 | 1642 |
void Arguments::set_heap_size() { |
1643 |
if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { |
|
1644 |
// Deprecated flag |
|
1645 |
FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); |
|
1646 |
} |
|
1647 |
||
1648 |
const julong phys_mem = |
|
1649 |
FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) |
|
1650 |
: (julong)MaxRAM; |
|
1651 |
||
1652 |
// If the maximum heap size has not been set with -Xmx, |
|
1653 |
// then set it as fraction of the size of physical memory, |
|
1654 |
// respecting the maximum and minimum sizes of the heap. |
|
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1655 |
if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
4434 | 1656 |
julong reasonable_max = phys_mem / MaxRAMFraction; |
1657 |
||
1658 |
if (phys_mem <= MaxHeapSize * MinRAMFraction) { |
|
1659 |
// Small physical memory, so use a minimum fraction of it for the heap |
|
1660 |
reasonable_max = phys_mem / MinRAMFraction; |
|
1661 |
} else { |
|
1662 |
// Not-small physical memory, so require a heap at least |
|
1663 |
// as large as MaxHeapSize |
|
1664 |
reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); |
|
1665 |
} |
|
1666 |
if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { |
|
1667 |
// Limit the heap size to ErgoHeapSizeLimit |
|
1668 |
reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); |
|
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1669 |
} |
4434 | 1670 |
if (UseCompressedOops) { |
1671 |
// Limit the heap size to the maximum possible when using compressed oops |
|
7388 | 1672 |
julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
1673 |
if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { |
|
1674 |
// Heap should be above HeapBaseMinAddress to get zero based compressed oops |
|
1675 |
// but it should be not less than default MaxHeapSize. |
|
1676 |
max_coop_heap -= HeapBaseMinAddress; |
|
1677 |
} |
|
1678 |
reasonable_max = MIN2(reasonable_max, max_coop_heap); |
|
4434 | 1679 |
} |
16605
ba13efd453bc
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
16450
diff
changeset
|
1680 |
reasonable_max = limit_by_allocatable_memory(reasonable_max); |
4434 | 1681 |
|
1682 |
if (!FLAG_IS_DEFAULT(InitialHeapSize)) { |
|
1683 |
// An initial heap size was specified on the command line, |
|
1684 |
// so be sure that the maximum size is consistent. Done |
|
16605
ba13efd453bc
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
16450
diff
changeset
|
1685 |
// after call to limit_by_allocatable_memory because that |
4434 | 1686 |
// method might reduce the allocation size. |
1687 |
reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); |
|
1688 |
} |
|
1689 |
||
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1690 |
if (PrintGCDetails && Verbose) { |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1691 |
// Cannot use gclog_or_tty yet. |
4434 | 1692 |
tty->print_cr(" Maximum heap size " SIZE_FORMAT, reasonable_max); |
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1693 |
} |
4434 | 1694 |
FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
1695 |
} |
|
1696 |
||
17322
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1697 |
// If the minimum or initial heap_size have not been set or requested to be set |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1698 |
// ergonomically, set them accordingly. |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1699 |
if (InitialHeapSize == 0 || min_heap_size() == 0) { |
4444
877bb3341a10
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
parents:
4439
diff
changeset
|
1700 |
julong reasonable_minimum = (julong)(OldSize + NewSize); |
877bb3341a10
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
parents:
4439
diff
changeset
|
1701 |
|
877bb3341a10
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
parents:
4439
diff
changeset
|
1702 |
reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
877bb3341a10
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
parents:
4439
diff
changeset
|
1703 |
|
16605
ba13efd453bc
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
16450
diff
changeset
|
1704 |
reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
4444
877bb3341a10
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
parents:
4439
diff
changeset
|
1705 |
|
17322
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1706 |
if (InitialHeapSize == 0) { |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1707 |
julong reasonable_initial = phys_mem / InitialRAMFraction; |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1708 |
|
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1709 |
reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1710 |
reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1711 |
|
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1712 |
reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1713 |
|
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1714 |
if (PrintGCDetails && Verbose) { |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1715 |
// Cannot use gclog_or_tty yet. |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1716 |
tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1717 |
} |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1718 |
FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1719 |
} |
17322
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1720 |
// If the minimum heap size has not been set (via -Xms), |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1721 |
// synchronize with InitialHeapSize to avoid errors with the default value. |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1722 |
if (min_heap_size() == 0) { |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1723 |
set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1724 |
if (PrintGCDetails && Verbose) { |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1725 |
// Cannot use gclog_or_tty yet. |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1726 |
tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1727 |
} |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
1728 |
} |
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1729 |
} |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1730 |
} |
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1731 |
|
1 | 1732 |
// This must be called after ergonomics because we want bytecode rewriting |
1733 |
// if the server compiler is used, or if UseSharedSpaces is disabled. |
|
1734 |
void Arguments::set_bytecode_flags() { |
|
1735 |
// Better not attempt to store into a read-only space. |
|
1736 |
if (UseSharedSpaces) { |
|
1737 |
FLAG_SET_DEFAULT(RewriteBytecodes, false); |
|
1738 |
FLAG_SET_DEFAULT(RewriteFrequentPairs, false); |
|
1739 |
} |
|
1740 |
||
1741 |
if (!RewriteBytecodes) { |
|
1742 |
FLAG_SET_DEFAULT(RewriteFrequentPairs, false); |
|
1743 |
} |
|
1744 |
} |
|
1745 |
||
1746 |
// Aggressive optimization flags -XX:+AggressiveOpts |
|
1747 |
void Arguments::set_aggressive_opts_flags() { |
|
190
e9a0a9dcd4f6
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
1
diff
changeset
|
1748 |
#ifdef COMPILER2 |
17383 | 1749 |
if (AggressiveUnboxing) { |
1750 |
if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
|
1751 |
FLAG_SET_DEFAULT(EliminateAutoBox, true); |
|
1752 |
} else if (!EliminateAutoBox) { |
|
1753 |
// warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled"); |
|
1754 |
AggressiveUnboxing = false; |
|
1755 |
} |
|
1756 |
if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) { |
|
1757 |
FLAG_SET_DEFAULT(DoEscapeAnalysis, true); |
|
1758 |
} else if (!DoEscapeAnalysis) { |
|
1759 |
// warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled"); |
|
1760 |
AggressiveUnboxing = false; |
|
1761 |
} |
|
1762 |
} |
|
190
e9a0a9dcd4f6
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
1
diff
changeset
|
1763 |
if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
e9a0a9dcd4f6
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
1
diff
changeset
|
1764 |
if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
e9a0a9dcd4f6
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
1
diff
changeset
|
1765 |
FLAG_SET_DEFAULT(EliminateAutoBox, true); |
e9a0a9dcd4f6
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
1
diff
changeset
|
1766 |
} |
e9a0a9dcd4f6
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
1
diff
changeset
|
1767 |
if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
e9a0a9dcd4f6
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
1
diff
changeset
|
1768 |
FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
e9a0a9dcd4f6
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
1
diff
changeset
|
1769 |
} |
e9a0a9dcd4f6
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
1
diff
changeset
|
1770 |
|
e9a0a9dcd4f6
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
1
diff
changeset
|
1771 |
// Feed the cache size setting into the JDK |
e9a0a9dcd4f6
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
1
diff
changeset
|
1772 |
char buffer[1024]; |
1889
24b003a6fe46
6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
xlu
parents:
1676
diff
changeset
|
1773 |
sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax); |
190
e9a0a9dcd4f6
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
1
diff
changeset
|
1774 |
add_property(buffer); |
e9a0a9dcd4f6
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
1
diff
changeset
|
1775 |
} |
1496
3fd9157e5e3c
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
1395
diff
changeset
|
1776 |
if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
3fd9157e5e3c
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
1395
diff
changeset
|
1777 |
FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
3fd9157e5e3c
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
1395
diff
changeset
|
1778 |
} |
190
e9a0a9dcd4f6
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
1
diff
changeset
|
1779 |
#endif |
e9a0a9dcd4f6
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
1
diff
changeset
|
1780 |
|
1 | 1781 |
if (AggressiveOpts) { |
234 | 1782 |
// Sample flag setting code |
1783 |
// if (FLAG_IS_DEFAULT(EliminateZeroing)) { |
|
1784 |
// FLAG_SET_DEFAULT(EliminateZeroing, true); |
|
1785 |
// } |
|
1 | 1786 |
} |
1787 |
} |
|
1788 |
||
1789 |
//=========================================================================================================== |
|
1790 |
// Parsing of java.compiler property |
|
1791 |
||
1792 |
void Arguments::process_java_compiler_argument(char* arg) { |
|
1793 |
// For backwards compatibility, Djava.compiler=NONE or "" |
|
1794 |
// causes us to switch to -Xint mode UNLESS -Xdebug |
|
1795 |
// is also specified. |
|
1796 |
if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { |
|
1797 |
set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. |
|
1798 |
} |
|
1799 |
} |
|
1800 |
||
1801 |
void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { |
|
1802 |
_sun_java_launcher = strdup(launcher); |
|
8476
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8313
diff
changeset
|
1803 |
if (strcmp("gamma", _sun_java_launcher) == 0) { |
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8313
diff
changeset
|
1804 |
_created_by_gamma_launcher = true; |
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8313
diff
changeset
|
1805 |
} |
1 | 1806 |
} |
1807 |
||
1808 |
bool Arguments::created_by_java_launcher() { |
|
1809 |
assert(_sun_java_launcher != NULL, "property must have value"); |
|
1810 |
return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; |
|
1811 |
} |
|
1812 |
||
8476
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8313
diff
changeset
|
1813 |
bool Arguments::created_by_gamma_launcher() { |
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8313
diff
changeset
|
1814 |
return _created_by_gamma_launcher; |
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8313
diff
changeset
|
1815 |
} |
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8313
diff
changeset
|
1816 |
|
1 | 1817 |
//=========================================================================================================== |
1818 |
// Parsing of main arguments |
|
1819 |
||
4885
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
1820 |
bool Arguments::verify_interval(uintx val, uintx min, |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
1821 |
uintx max, const char* name) { |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
1822 |
// Returns true iff value is in the inclusive interval [min..max] |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
1823 |
// false, otherwise. |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
1824 |
if (val >= min && val <= max) { |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
1825 |
return true; |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
1826 |
} |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
1827 |
jio_fprintf(defaultStream::error_stream(), |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
1828 |
"%s of " UINTX_FORMAT " is invalid; must be between " UINTX_FORMAT |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
1829 |
" and " UINTX_FORMAT "\n", |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
1830 |
name, val, min, max); |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
1831 |
return false; |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
1832 |
} |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
1833 |
|
6414
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
1834 |
bool Arguments::verify_min_value(intx val, intx min, const char* name) { |
8685
f8edcc58cca7
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
8681
diff
changeset
|
1835 |
// Returns true if given value is at least specified min threshold |
6414
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
1836 |
// false, otherwise. |
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
1837 |
if (val >= min ) { |
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
1838 |
return true; |
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
1839 |
} |
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
1840 |
jio_fprintf(defaultStream::error_stream(), |
8685
f8edcc58cca7
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
8681
diff
changeset
|
1841 |
"%s of " INTX_FORMAT " is invalid; must be at least " INTX_FORMAT "\n", |
6414
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
1842 |
name, val, min); |
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
1843 |
return false; |
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
1844 |
} |
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
1845 |
|
1 | 1846 |
bool Arguments::verify_percentage(uintx value, const char* name) { |
1847 |
if (value <= 100) { |
|
1848 |
return true; |
|
1849 |
} |
|
1850 |
jio_fprintf(defaultStream::error_stream(), |
|
1851 |
"%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", |
|
1852 |
name, value); |
|
1853 |
return false; |
|
1854 |
} |
|
1855 |
||
16670
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
16598
diff
changeset
|
1856 |
#if !INCLUDE_ALL_GCS |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
16598
diff
changeset
|
1857 |
#ifdef ASSERT |
1 | 1858 |
static bool verify_serial_gc_flags() { |
1859 |
return (UseSerialGC && |
|
3700
cf9a1b408c4f
6872136: CMS: confusing message may be printed when a collector is switched off implicitly
ysr
parents:
3687
diff
changeset
|
1860 |
!(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
1861 |
UseParallelGC || UseParallelOldGC)); |
1 | 1862 |
} |
16670
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
16598
diff
changeset
|
1863 |
#endif // ASSERT |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
16598
diff
changeset
|
1864 |
#endif // INCLUDE_ALL_GCS |
1 | 1865 |
|
9990
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1866 |
// check if do gclog rotation |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1867 |
// +UseGCLogFileRotation is a must, |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1868 |
// no gc log rotation when log file not supplied or |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1869 |
// NumberOfGCLogFiles is 0, or GCLogFileSize is 0 |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1870 |
void check_gclog_consistency() { |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1871 |
if (UseGCLogFileRotation) { |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1872 |
if ((Arguments::gc_log_filename() == NULL) || |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1873 |
(NumberOfGCLogFiles == 0) || |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1874 |
(GCLogFileSize == 0)) { |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1875 |
jio_fprintf(defaultStream::output_stream(), |
19968 | 1876 |
"To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files> -XX:GCLogFileSize=<num_of_size>[k|K|m|M|g|G]\n" |
9990
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1877 |
"where num_of_file > 0 and num_of_size > 0\n" |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1878 |
"GC log rotation is turned off\n"); |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1879 |
UseGCLogFileRotation = false; |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1880 |
} |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1881 |
} |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1882 |
|
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1883 |
if (UseGCLogFileRotation && GCLogFileSize < 8*K) { |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1884 |
FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1885 |
jio_fprintf(defaultStream::output_stream(), |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1886 |
"GCLogFileSize changed to minimum 8K\n"); |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1887 |
} |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1888 |
} |
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1889 |
|
19968 | 1890 |
// This function is called for -Xloggc:<filename>, it can be used |
1891 |
// to check if a given file name(or string) conforms to the following |
|
1892 |
// specification: |
|
1893 |
// A valid string only contains "[A-Z][a-z][0-9].-_%[p|t]" |
|
1894 |
// %p and %t only allowed once. We only limit usage of filename not path |
|
1895 |
bool is_filename_valid(const char *file_name) { |
|
1896 |
const char* p = file_name; |
|
1897 |
char file_sep = os::file_separator()[0]; |
|
1898 |
const char* cp; |
|
1899 |
// skip prefix path |
|
1900 |
for (cp = file_name; *cp != '\0'; cp++) { |
|
1901 |
if (*cp == '/' || *cp == file_sep) { |
|
1902 |
p = cp + 1; |
|
1903 |
} |
|
1904 |
} |
|
1905 |
||
1906 |
int count_p = 0; |
|
1907 |
int count_t = 0; |
|
1908 |
while (*p != '\0') { |
|
1909 |
if ((*p >= '0' && *p <= '9') || |
|
1910 |
(*p >= 'A' && *p <= 'Z') || |
|
1911 |
(*p >= 'a' && *p <= 'z') || |
|
1912 |
*p == '-' || |
|
1913 |
*p == '_' || |
|
1914 |
*p == '.') { |
|
1915 |
p++; |
|
1916 |
continue; |
|
1917 |
} |
|
1918 |
if (*p == '%') { |
|
1919 |
if(*(p + 1) == 'p') { |
|
1920 |
p += 2; |
|
1921 |
count_p ++; |
|
1922 |
continue; |
|
1923 |
} |
|
1924 |
if (*(p + 1) == 't') { |
|
1925 |
p += 2; |
|
1926 |
count_t ++; |
|
1927 |
continue; |
|
1928 |
} |
|
1929 |
} |
|
1930 |
return false; |
|
1931 |
} |
|
1932 |
return count_p < 2 && count_t < 2; |
|
1933 |
} |
|
1934 |
||
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1935 |
// Check consistency of GC selection |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1936 |
bool Arguments::check_gc_consistency() { |
9990
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
1937 |
check_gclog_consistency(); |
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1938 |
bool status = true; |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1939 |
// Ensure that the user has not selected conflicting sets |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1940 |
// of collectors. [Note: this check is merely a user convenience; |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1941 |
// collectors over-ride each other so that only a non-conflicting |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1942 |
// set is selected; however what the user gets is not what they |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1943 |
// may have expected from the combination they asked for. It's |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1944 |
// better to reduce user confusion by not allowing them to |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1945 |
// select conflicting combinations. |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1946 |
uint i = 0; |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1947 |
if (UseSerialGC) i++; |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1948 |
if (UseConcMarkSweepGC || UseParNewGC) i++; |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1949 |
if (UseParallelGC || UseParallelOldGC) i++; |
3262
30d1c247fc25
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
2741
diff
changeset
|
1950 |
if (UseG1GC) i++; |
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1951 |
if (i > 1) { |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1952 |
jio_fprintf(defaultStream::error_stream(), |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1953 |
"Conflicting collector combinations in option list; " |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1954 |
"please refer to the release notes for the combinations " |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1955 |
"allowed\n"); |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1956 |
status = false; |
18700
293625ae06a2
8015635: Crash when specifying very large code cache size
anoll
parents:
18510
diff
changeset
|
1957 |
} else if (ReservedCodeCacheSize > 2*G) { |
293625ae06a2
8015635: Crash when specifying very large code cache size
anoll
parents:
18510
diff
changeset
|
1958 |
// Code cache size larger than MAXINT is not supported. |
293625ae06a2
8015635: Crash when specifying very large code cache size
anoll
parents:
18510
diff
changeset
|
1959 |
jio_fprintf(defaultStream::error_stream(), |
293625ae06a2
8015635: Crash when specifying very large code cache size
anoll
parents:
18510
diff
changeset
|
1960 |
"Invalid ReservedCodeCacheSize=%dM. Must be at most %uM.\n", ReservedCodeCacheSize/M, |
293625ae06a2
8015635: Crash when specifying very large code cache size
anoll
parents:
18510
diff
changeset
|
1961 |
(2*G)/M); |
293625ae06a2
8015635: Crash when specifying very large code cache size
anoll
parents:
18510
diff
changeset
|
1962 |
status = false; |
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1963 |
} |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1964 |
return status; |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1965 |
} |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
1966 |
|
15092
9228d92ed521
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
15091
diff
changeset
|
1967 |
void Arguments::check_deprecated_gcs() { |
9228d92ed521
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
15091
diff
changeset
|
1968 |
if (UseConcMarkSweepGC && !UseParNewGC) { |
9228d92ed521
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
15091
diff
changeset
|
1969 |
warning("Using the DefNew young collector with the CMS collector is deprecated " |
9228d92ed521
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
15091
diff
changeset
|
1970 |
"and will likely be removed in a future release"); |
9228d92ed521
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
15091
diff
changeset
|
1971 |
} |
9228d92ed521
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
15091
diff
changeset
|
1972 |
|
9228d92ed521
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
15091
diff
changeset
|
1973 |
if (UseParNewGC && !UseConcMarkSweepGC) { |
9228d92ed521
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
15091
diff
changeset
|
1974 |
// !UseConcMarkSweepGC means that we are using serial old gc. Unfortunately we don't |
9228d92ed521
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
15091
diff
changeset
|
1975 |
// set up UseSerialGC properly, so that can't be used in the check here. |
9228d92ed521
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
15091
diff
changeset
|
1976 |
warning("Using the ParNew young collector with the Serial old collector is deprecated " |
9228d92ed521
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
15091
diff
changeset
|
1977 |
"and will likely be removed in a future release"); |
9228d92ed521
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
15091
diff
changeset
|
1978 |
} |
15093 | 1979 |
|
1980 |
if (CMSIncrementalMode) { |
|
1981 |
warning("Using incremental CMS is deprecated and will likely be removed in a future release"); |
|
1982 |
} |
|
15092
9228d92ed521
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
15091
diff
changeset
|
1983 |
} |
9228d92ed521
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
15091
diff
changeset
|
1984 |
|
15950 | 1985 |
void Arguments::check_deprecated_gc_flags() { |
1986 |
if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { |
|
1987 |
warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" |
|
1988 |
"and will likely be removed in future release"); |
|
1989 |
} |
|
18998 | 1990 |
if (FLAG_IS_CMDLINE(DefaultMaxRAMFraction)) { |
1991 |
warning("DefaultMaxRAMFraction is deprecated and will likely be removed in a future release. " |
|
1992 |
"Use MaxRAMFraction instead."); |
|
1993 |
} |
|
15950 | 1994 |
} |
1995 |
||
6414
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
1996 |
// Check stack pages settings |
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
1997 |
bool Arguments::check_stack_pages() |
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
1998 |
{ |
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
1999 |
bool status = true; |
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
2000 |
status = status && verify_min_value(StackYellowPages, 1, "StackYellowPages"); |
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
2001 |
status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
6964
6e45ffa3bccf
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents:
6961
diff
changeset
|
2002 |
// greater stack shadow pages can't generate instruction to bang stack |
6e45ffa3bccf
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents:
6961
diff
changeset
|
2003 |
status = status && verify_interval(StackShadowPages, 1, 50, "StackShadowPages"); |
6414
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
2004 |
return status; |
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
2005 |
} |
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
2006 |
|
1 | 2007 |
// Check the consistency of vm_init_args |
2008 |
bool Arguments::check_vm_args_consistency() { |
|
2009 |
// Method for adding checks for flag consistency. |
|
2010 |
// The intent is to warn the user of all possible conflicts, |
|
2011 |
// before returning an error. |
|
2012 |
// Note: Needs platform-dependent factoring. |
|
2013 |
bool status = true; |
|
2014 |
||
2015 |
// Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product |
|
2016 |
// builds so the cost of stack banging can be measured. |
|
2017 |
#if (defined(PRODUCT) && defined(SOLARIS)) |
|
2018 |
if (!UseBoundThreads && !UseStackBanging) { |
|
2019 |
jio_fprintf(defaultStream::error_stream(), |
|
2020 |
"-UseStackBanging conflicts with -UseBoundThreads\n"); |
|
2021 |
||
2022 |
status = false; |
|
2023 |
} |
|
2024 |
#endif |
|
2025 |
||
2026 |
if (TLABRefillWasteFraction == 0) { |
|
2027 |
jio_fprintf(defaultStream::error_stream(), |
|
2028 |
"TLABRefillWasteFraction should be a denominator, " |
|
2029 |
"not " SIZE_FORMAT "\n", |
|
2030 |
TLABRefillWasteFraction); |
|
2031 |
status = false; |
|
2032 |
} |
|
2033 |
||
17392
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2034 |
status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100, |
1 | 2035 |
"AdaptiveSizePolicyWeight"); |
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
2036 |
status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
2037 |
status = status && verify_percentage(MinHeapFreeRatio, "MinHeapFreeRatio"); |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
2038 |
status = status && verify_percentage(MaxHeapFreeRatio, "MaxHeapFreeRatio"); |
1 | 2039 |
|
14487
9a40ad461ee9
7122219: Passed StringTableSize value not verified
hseigel
parents:
14296
diff
changeset
|
2040 |
// Divide by bucket size to prevent a large size from causing rollover when |
9a40ad461ee9
7122219: Passed StringTableSize value not verified
hseigel
parents:
14296
diff
changeset
|
2041 |
// calculating amount of memory needed to be allocated for the String table. |
17022
584161d608a5
8009928: PSR:PERF Increase default string table size
hseigel
parents:
16686
diff
changeset
|
2042 |
status = status && verify_interval(StringTableSize, minimumStringTableSize, |
14487
9a40ad461ee9
7122219: Passed StringTableSize value not verified
hseigel
parents:
14296
diff
changeset
|
2043 |
(max_uintx / StringTable::bucket_size()), "StringTable size"); |
9a40ad461ee9
7122219: Passed StringTableSize value not verified
hseigel
parents:
14296
diff
changeset
|
2044 |
|
1 | 2045 |
if (MinHeapFreeRatio > MaxHeapFreeRatio) { |
2046 |
jio_fprintf(defaultStream::error_stream(), |
|
2047 |
"MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " |
|
2048 |
"equal to MaxHeapFreeRatio (" UINTX_FORMAT ")\n", |
|
2049 |
MinHeapFreeRatio, MaxHeapFreeRatio); |
|
2050 |
status = false; |
|
2051 |
} |
|
2052 |
// Keeping the heap 100% free is hard ;-) so limit it to 99%. |
|
2053 |
MinHeapFreeRatio = MIN2(MinHeapFreeRatio, (uintx) 99); |
|
2054 |
||
15610
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2055 |
// Min/MaxMetaspaceFreeRatio |
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2056 |
status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2057 |
status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2058 |
|
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2059 |
if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2060 |
jio_fprintf(defaultStream::error_stream(), |
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2061 |
"MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2062 |
"equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2063 |
FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2064 |
MinMetaspaceFreeRatio, |
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2065 |
FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2066 |
MaxMetaspaceFreeRatio); |
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2067 |
status = false; |
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2068 |
} |
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2069 |
|
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2070 |
// Trying to keep 100% free is not practical |
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2071 |
MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
528d799702c7
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
15607
diff
changeset
|
2072 |
|
1 | 2073 |
if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
2074 |
MarkSweepAlwaysCompactCount = 1; // Move objects every gc. |
|
2075 |
} |
|
2076 |
||
1670
0deb85ea62d5
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
1602
diff
changeset
|
2077 |
if (UseParallelOldGC && ParallelOldGCSplitALot) { |
0deb85ea62d5
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
1602
diff
changeset
|
2078 |
// Settings to encourage splitting. |
0deb85ea62d5
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
1602
diff
changeset
|
2079 |
if (!FLAG_IS_CMDLINE(NewRatio)) { |
15605 | 2080 |
FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
1670
0deb85ea62d5
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
1602
diff
changeset
|
2081 |
} |
0deb85ea62d5
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
1602
diff
changeset
|
2082 |
if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
0deb85ea62d5
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
1602
diff
changeset
|
2083 |
FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
0deb85ea62d5
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
1602
diff
changeset
|
2084 |
} |
0deb85ea62d5
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
1602
diff
changeset
|
2085 |
} |
0deb85ea62d5
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
1602
diff
changeset
|
2086 |
|
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
2087 |
status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
2088 |
status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
1 | 2089 |
if (GCTimeLimit == 100) { |
2090 |
// Turn off gc-overhead-limit-exceeded checks |
|
2091 |
FLAG_SET_DEFAULT(UseGCOverheadLimit, false); |
|
2092 |
} |
|
2093 |
||
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
2094 |
status = status && check_gc_consistency(); |
6414
ef8d1e9052a8
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
6176
diff
changeset
|
2095 |
status = status && check_stack_pages(); |
1 | 2096 |
|
2097 |
if (CMSIncrementalMode) { |
|
2098 |
if (!UseConcMarkSweepGC) { |
|
2099 |
jio_fprintf(defaultStream::error_stream(), |
|
2100 |
"error: invalid argument combination.\n" |
|
2101 |
"The CMS collector (-XX:+UseConcMarkSweepGC) must be " |
|
2102 |
"selected in order\nto use CMSIncrementalMode.\n"); |
|
2103 |
status = false; |
|
2104 |
} else { |
|
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
2105 |
status = status && verify_percentage(CMSIncrementalDutyCycle, |
1 | 2106 |
"CMSIncrementalDutyCycle"); |
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
2107 |
status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
1 | 2108 |
"CMSIncrementalDutyCycleMin"); |
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
2109 |
status = status && verify_percentage(CMSIncrementalSafetyFactor, |
1 | 2110 |
"CMSIncrementalSafetyFactor"); |
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
2111 |
status = status && verify_percentage(CMSIncrementalOffset, |
1 | 2112 |
"CMSIncrementalOffset"); |
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
2113 |
status = status && verify_percentage(CMSExpAvgFactor, |
1 | 2114 |
"CMSExpAvgFactor"); |
2115 |
// If it was not set on the command line, set |
|
2116 |
// CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. |
|
2117 |
if (CMSInitiatingOccupancyFraction < 0) { |
|
2118 |
FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); |
|
2119 |
} |
|
2120 |
} |
|
2121 |
} |
|
2122 |
||
2123 |
// CMS space iteration, which FLSVerifyAllHeapreferences entails, |
|
2124 |
// insists that we hold the requisite locks so that the iteration is |
|
2125 |
// MT-safe. For the verification at start-up and shut-down, we don't |
|
2126 |
// yet have a good way of acquiring and releasing these locks, |
|
2127 |
// which are not visible at the CollectedHeap level. We want to |
|
2128 |
// be able to acquire these locks and then do the iteration rather |
|
2129 |
// than just disable the lock verification. This will be fixed under |
|
2130 |
// bug 4788986. |
|
2131 |
if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { |
|
16680
960505df90e7
8011343: Add new flag for verifying the heap during startup
johnc
parents:
16610
diff
changeset
|
2132 |
if (VerifyDuringStartup) { |
1 | 2133 |
warning("Heap verification at start-up disabled " |
2134 |
"(due to current incompatibility with FLSVerifyAllHeapReferences)"); |
|
16680
960505df90e7
8011343: Add new flag for verifying the heap during startup
johnc
parents:
16610
diff
changeset
|
2135 |
VerifyDuringStartup = false; // Disable verification at start-up |
1 | 2136 |
} |
16680
960505df90e7
8011343: Add new flag for verifying the heap during startup
johnc
parents:
16610
diff
changeset
|
2137 |
|
1 | 2138 |
if (VerifyBeforeExit) { |
2139 |
warning("Heap verification at shutdown disabled " |
|
2140 |
"(due to current incompatibility with FLSVerifyAllHeapReferences)"); |
|
2141 |
VerifyBeforeExit = false; // Disable verification at shutdown |
|
2142 |
} |
|
2143 |
} |
|
2144 |
||
2145 |
// Note: only executed in non-PRODUCT mode |
|
2146 |
if (!UseAsyncConcMarkSweepGC && |
|
2147 |
(ExplicitGCInvokesConcurrent || |
|
2148 |
ExplicitGCInvokesConcurrentAndUnloadsClasses)) { |
|
2149 |
jio_fprintf(defaultStream::error_stream(), |
|
13516
f7adc27fb367
7178363: G1: Remove the serial code for PrintGCDetails and make it a special case of the parallel code
brutisso
parents:
13391
diff
changeset
|
2150 |
"error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
1 | 2151 |
" with -UseAsyncConcMarkSweepGC"); |
2152 |
status = false; |
|
2153 |
} |
|
2154 |
||
8685
f8edcc58cca7
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
8681
diff
changeset
|
2155 |
status = status && verify_min_value(ParGCArrayScanChunk, 1, "ParGCArrayScanChunk"); |
f8edcc58cca7
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
8681
diff
changeset
|
2156 |
|
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
15119
diff
changeset
|
2157 |
#if INCLUDE_ALL_GCS |
5034
a1cec6310394
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
4898
diff
changeset
|
2158 |
if (UseG1GC) { |
a1cec6310394
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
4898
diff
changeset
|
2159 |
status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
a1cec6310394
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
4898
diff
changeset
|
2160 |
"InitiatingHeapOccupancyPercent"); |
8073
a14dc27842dc
6608385: G1: need to support parallel reference processing
johnc
parents:
7900
diff
changeset
|
2161 |
status = status && verify_min_value(G1RefProcDrainInterval, 1, |
a14dc27842dc
6608385: G1: need to support parallel reference processing
johnc
parents:
7900
diff
changeset
|
2162 |
"G1RefProcDrainInterval"); |
a14dc27842dc
6608385: G1: need to support parallel reference processing
johnc
parents:
7900
diff
changeset
|
2163 |
status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
a14dc27842dc
6608385: G1: need to support parallel reference processing
johnc
parents:
7900
diff
changeset
|
2164 |
"G1ConcMarkStepDurationMillis"); |
17327
4bd0581aa231
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
17322
diff
changeset
|
2165 |
status = status && verify_interval(G1ConcRSHotCardLimit, 0, max_jubyte, |
4bd0581aa231
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
17322
diff
changeset
|
2166 |
"G1ConcRSHotCardLimit"); |
4bd0581aa231
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
17322
diff
changeset
|
2167 |
status = status && verify_interval(G1ConcRSLogCacheSize, 0, 31, |
4bd0581aa231
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
17322
diff
changeset
|
2168 |
"G1ConcRSLogCacheSize"); |
5034
a1cec6310394
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
4898
diff
changeset
|
2169 |
} |
17392
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2170 |
if (UseConcMarkSweepGC) { |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2171 |
status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2172 |
status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2173 |
status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2174 |
status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2175 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2176 |
status = status && verify_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2177 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2178 |
status = status && verify_min_value(CMSSamplingGrain, 1, "CMSSamplingGrain"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2179 |
status = status && verify_interval(CMS_SweepWeight, 0, 100, "CMS_SweepWeight"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2180 |
status = status && verify_interval(CMS_FLSWeight, 0, 100, "CMS_FLSWeight"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2181 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2182 |
status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2183 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2184 |
status = status && verify_min_value(CMSRescanMultiple, 1, "CMSRescanMultiple"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2185 |
status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2186 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2187 |
status = status && verify_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2188 |
status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2189 |
status = status && verify_interval(CMSPrecleanNumerator, 0, CMSPrecleanDenominator - 1, "CMSPrecleanNumerator"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2190 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2191 |
status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2192 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2193 |
status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2194 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2195 |
status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2196 |
status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2197 |
status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2198 |
status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2199 |
status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2200 |
} |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2201 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2202 |
if (UseParallelGC || UseParallelOldGC) { |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2203 |
status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2204 |
status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2205 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2206 |
status = status && verify_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2207 |
status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2208 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2209 |
status = status && verify_min_value(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2210 |
status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2211 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2212 |
status = status && verify_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2213 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2214 |
status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2215 |
} |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
15119
diff
changeset
|
2216 |
#endif // INCLUDE_ALL_GCS |
5034
a1cec6310394
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
4898
diff
changeset
|
2217 |
|
4885
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
2218 |
status = status && verify_interval(RefDiscoveryPolicy, |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
2219 |
ReferenceProcessor::DiscoveryPolicyMin, |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
2220 |
ReferenceProcessor::DiscoveryPolicyMax, |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
2221 |
"RefDiscoveryPolicy"); |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
2222 |
|
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
2223 |
// Limit the lower bound of this flag to 1 as it is used in a division |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
2224 |
// expression. |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
2225 |
status = status && verify_interval(TLABWasteTargetPercent, |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
2226 |
1, 100, "TLABWasteTargetPercent"); |
cee90a57b58f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
4736
diff
changeset
|
2227 |
|
5694
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
2228 |
status = status && verify_object_alignment(); |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
2229 |
|
19979
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
2230 |
status = status && verify_interval(CompressedClassSpaceSize, 1*M, 3*G, |
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
2231 |
"CompressedClassSpaceSize"); |
13739
35cd081a64ea
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
13728
diff
changeset
|
2232 |
|
14740
1431ef92fed1
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
14580
diff
changeset
|
2233 |
status = status && verify_interval(MarkStackSizeMax, |
1431ef92fed1
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
14580
diff
changeset
|
2234 |
1, (max_jint - 1), "MarkStackSizeMax"); |
17392
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2235 |
status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2236 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2237 |
status = status && verify_min_value(LogEventsBufferEntries, 1, "LogEventsBufferEntries"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2238 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2239 |
status = status && verify_min_value(HeapSizePerGCThread, (uintx) os::vm_page_size(), "HeapSizePerGCThread"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2240 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2241 |
status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2242 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2243 |
status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2244 |
status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2245 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2246 |
status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2247 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2248 |
status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2249 |
status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2250 |
status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2251 |
status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2252 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2253 |
status = status && verify_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2254 |
status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2255 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2256 |
status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2257 |
status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2258 |
status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2259 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2260 |
status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2261 |
status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2262 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2263 |
// the "age" field in the oop header is 4 bits; do not want to pull in markOop.hpp |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2264 |
// just for that, so hardcode here. |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2265 |
status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2266 |
status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2267 |
status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2268 |
status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio"); |
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2269 |
|
2f967c0e4246
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
17327
diff
changeset
|
2270 |
status = status && verify_min_value(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount"); |
13757
8740ce357087
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
13739
diff
changeset
|
2271 |
#ifdef SPARC |
8740ce357087
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
13739
diff
changeset
|
2272 |
if (UseConcMarkSweepGC || UseG1GC) { |
8740ce357087
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
13739
diff
changeset
|
2273 |
// Issue a stern warning if the user has explicitly set |
8740ce357087
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
13739
diff
changeset
|
2274 |
// UseMemSetInBOT (it is known to cause issues), but allow |
8740ce357087
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
13739
diff
changeset
|
2275 |
// use for experimentation and debugging. |
8740ce357087
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
13739
diff
changeset
|
2276 |
if (VM_Version::is_sun4v() && UseMemSetInBOT) { |
8740ce357087
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
13739
diff
changeset
|
2277 |
assert(!FLAG_IS_DEFAULT(UseMemSetInBOT), "Error"); |
8740ce357087
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
13739
diff
changeset
|
2278 |
warning("Experimental flag -XX:+UseMemSetInBOT is known to cause instability" |
8740ce357087
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
13739
diff
changeset
|
2279 |
" on sun4v; please understand that you are using at your own risk!"); |
8740ce357087
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
13739
diff
changeset
|
2280 |
} |
8740ce357087
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
13739
diff
changeset
|
2281 |
} |
8740ce357087
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
13739
diff
changeset
|
2282 |
#endif // SPARC |
8740ce357087
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
13739
diff
changeset
|
2283 |
|
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2284 |
if (PrintNMTStatistics) { |
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2285 |
#if INCLUDE_NMT |
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2286 |
if (MemTracker::tracking_level() == MemTracker::NMT_off) { |
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2287 |
#endif // INCLUDE_NMT |
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2288 |
warning("PrintNMTStatistics is disabled, because native memory tracking is not enabled"); |
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2289 |
PrintNMTStatistics = false; |
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2290 |
#if INCLUDE_NMT |
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2291 |
} |
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2292 |
#endif |
13861
619cff4bfb8b
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
13739
diff
changeset
|
2293 |
} |
619cff4bfb8b
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
13739
diff
changeset
|
2294 |
|
17365
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2295 |
// Need to limit the extent of the padding to reasonable size. |
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2296 |
// 8K is well beyond the reasonable HW cache line size, even with the |
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2297 |
// aggressive prefetching, while still leaving the room for segregating |
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2298 |
// among the distinct pages. |
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2299 |
if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2300 |
jio_fprintf(defaultStream::error_stream(), |
19679 | 2301 |
"ContendedPaddingWidth=" INTX_FORMAT " must be in between %d and %d\n", |
17365
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2302 |
ContendedPaddingWidth, 0, 8192); |
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2303 |
status = false; |
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2304 |
} |
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2305 |
|
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2306 |
// Need to enforce the padding not to break the existing field alignments. |
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2307 |
// It is sufficient to check against the largest type size. |
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2308 |
if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2309 |
jio_fprintf(defaultStream::error_stream(), |
19679 | 2310 |
"ContendedPaddingWidth=" INTX_FORMAT " must be a multiple of %d\n", |
17365
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2311 |
ContendedPaddingWidth, BytesPerLong); |
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2312 |
status = false; |
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2313 |
} |
b127267313d8
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
17098
diff
changeset
|
2314 |
|
18506
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2315 |
// Check lower bounds of the code cache |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2316 |
// Template Interpreter code is approximately 3X larger in debug builds. |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2317 |
uint min_code_cache_size = (CodeCacheMinimumUseSpace DEBUG_ONLY(* 3)) + CodeCacheMinimumFreeSpace; |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2318 |
if (InitialCodeCacheSize < (uintx)os::vm_page_size()) { |
17874
ca460b733b76
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
17617
diff
changeset
|
2319 |
jio_fprintf(defaultStream::error_stream(), |
18506
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2320 |
"Invalid InitialCodeCacheSize=%dK. Must be at least %dK.\n", InitialCodeCacheSize/K, |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2321 |
os::vm_page_size()/K); |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2322 |
status = false; |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2323 |
} else if (ReservedCodeCacheSize < InitialCodeCacheSize) { |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2324 |
jio_fprintf(defaultStream::error_stream(), |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2325 |
"Invalid ReservedCodeCacheSize: %dK. Must be at least InitialCodeCacheSize=%dK.\n", |
17874
ca460b733b76
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
17617
diff
changeset
|
2326 |
ReservedCodeCacheSize/K, InitialCodeCacheSize/K); |
ca460b733b76
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
17617
diff
changeset
|
2327 |
status = false; |
18506
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2328 |
} else if (ReservedCodeCacheSize < min_code_cache_size) { |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2329 |
jio_fprintf(defaultStream::error_stream(), |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2330 |
"Invalid ReservedCodeCacheSize=%dK. Must be at least %uK.\n", ReservedCodeCacheSize/K, |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2331 |
min_code_cache_size/K); |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2332 |
status = false; |
18700
293625ae06a2
8015635: Crash when specifying very large code cache size
anoll
parents:
18510
diff
changeset
|
2333 |
} else if (ReservedCodeCacheSize > 2*G) { |
293625ae06a2
8015635: Crash when specifying very large code cache size
anoll
parents:
18510
diff
changeset
|
2334 |
// Code cache size larger than MAXINT is not supported. |
293625ae06a2
8015635: Crash when specifying very large code cache size
anoll
parents:
18510
diff
changeset
|
2335 |
jio_fprintf(defaultStream::error_stream(), |
293625ae06a2
8015635: Crash when specifying very large code cache size
anoll
parents:
18510
diff
changeset
|
2336 |
"Invalid ReservedCodeCacheSize=%dM. Must be at most %uM.\n", ReservedCodeCacheSize/M, |
293625ae06a2
8015635: Crash when specifying very large code cache size
anoll
parents:
18510
diff
changeset
|
2337 |
(2*G)/M); |
293625ae06a2
8015635: Crash when specifying very large code cache size
anoll
parents:
18510
diff
changeset
|
2338 |
status = false; |
17874
ca460b733b76
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
17617
diff
changeset
|
2339 |
} |
1 | 2340 |
return status; |
2341 |
} |
|
2342 |
||
2343 |
bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, |
|
2344 |
const char* option_type) { |
|
2345 |
if (ignore) return false; |
|
2346 |
||
2347 |
const char* spacer = " "; |
|
2348 |
if (option_type == NULL) { |
|
2349 |
option_type = ++spacer; // Set both to the empty string. |
|
2350 |
} |
|
2351 |
||
2352 |
if (os::obsolete_option(option)) { |
|
2353 |
jio_fprintf(defaultStream::error_stream(), |
|
2354 |
"Obsolete %s%soption: %s\n", option_type, spacer, |
|
2355 |
option->optionString); |
|
2356 |
return false; |
|
2357 |
} else { |
|
2358 |
jio_fprintf(defaultStream::error_stream(), |
|
2359 |
"Unrecognized %s%soption: %s\n", option_type, spacer, |
|
2360 |
option->optionString); |
|
2361 |
return true; |
|
2362 |
} |
|
2363 |
} |
|
2364 |
||
2365 |
static const char* user_assertion_options[] = { |
|
2366 |
"-da", "-ea", "-disableassertions", "-enableassertions", 0 |
|
2367 |
}; |
|
2368 |
||
2369 |
static const char* system_assertion_options[] = { |
|
2370 |
"-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 |
|
2371 |
}; |
|
2372 |
||
2373 |
// Return true if any of the strings in null-terminated array 'names' matches. |
|
2374 |
// If tail_allowed is true, then the tail must begin with a colon; otherwise, |
|
2375 |
// the option must match exactly. |
|
2376 |
static bool match_option(const JavaVMOption* option, const char** names, const char** tail, |
|
2377 |
bool tail_allowed) { |
|
2378 |
for (/* empty */; *names != NULL; ++names) { |
|
2379 |
if (match_option(option, *names, tail)) { |
|
2380 |
if (**tail == '\0' || tail_allowed && **tail == ':') { |
|
2381 |
return true; |
|
2382 |
} |
|
2383 |
} |
|
2384 |
} |
|
2385 |
return false; |
|
2386 |
} |
|
2387 |
||
5035 | 2388 |
bool Arguments::parse_uintx(const char* value, |
2389 |
uintx* uintx_arg, |
|
2390 |
uintx min_size) { |
|
2391 |
||
2392 |
// Check the sign first since atomull() parses only unsigned values. |
|
2393 |
bool value_is_positive = !(*value == '-'); |
|
2394 |
||
2395 |
if (value_is_positive) { |
|
2396 |
julong n; |
|
2397 |
bool good_return = atomull(value, &n); |
|
2398 |
if (good_return) { |
|
2399 |
bool above_minimum = n >= min_size; |
|
2400 |
bool value_is_too_large = n > max_uintx; |
|
2401 |
||
2402 |
if (above_minimum && !value_is_too_large) { |
|
2403 |
*uintx_arg = n; |
|
2404 |
return true; |
|
2405 |
} |
|
2406 |
} |
|
2407 |
} |
|
2408 |
return false; |
|
2409 |
} |
|
2410 |
||
1 | 2411 |
Arguments::ArgsRange Arguments::parse_memory_size(const char* s, |
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
2412 |
julong* long_arg, |
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
2413 |
julong min_size) { |
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
2414 |
if (!atomull(s, long_arg)) return arg_unreadable; |
1 | 2415 |
return check_memory_size(*long_arg, min_size); |
2416 |
} |
|
2417 |
||
2418 |
// Parse JavaVMInitArgs structure |
|
2419 |
||
2420 |
jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { |
|
2421 |
// For components of the system classpath. |
|
2422 |
SysClassPath scp(Arguments::get_sysclasspath()); |
|
2423 |
bool scp_assembly_required = false; |
|
2424 |
||
2425 |
// Save default settings for some mode flags |
|
2426 |
Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; |
|
2427 |
Arguments::_UseOnStackReplacement = UseOnStackReplacement; |
|
2428 |
Arguments::_ClipInlining = ClipInlining; |
|
2429 |
Arguments::_BackgroundCompilation = BackgroundCompilation; |
|
2430 |
||
9442
6aaa5529f807
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
9187
diff
changeset
|
2431 |
// Setup flags for mixed which is the default |
6aaa5529f807
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
9187
diff
changeset
|
2432 |
set_mode_flags(_mixed); |
6aaa5529f807
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
9187
diff
changeset
|
2433 |
|
1 | 2434 |
// Parse JAVA_TOOL_OPTIONS environment variable (if present) |
2435 |
jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); |
|
2436 |
if (result != JNI_OK) { |
|
2437 |
return result; |
|
2438 |
} |
|
2439 |
||
2440 |
// Parse JavaVMInitArgs structure passed in |
|
2441 |
result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, COMMAND_LINE); |
|
2442 |
if (result != JNI_OK) { |
|
2443 |
return result; |
|
2444 |
} |
|
2445 |
||
2446 |
// Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) |
|
2447 |
result = parse_java_options_environment_variable(&scp, &scp_assembly_required); |
|
2448 |
if (result != JNI_OK) { |
|
2449 |
return result; |
|
2450 |
} |
|
2451 |
||
2452 |
// Do final processing now that all arguments have been parsed |
|
2453 |
result = finalize_vm_init_args(&scp, scp_assembly_required); |
|
2454 |
if (result != JNI_OK) { |
|
2455 |
return result; |
|
2456 |
} |
|
2457 |
||
2458 |
return JNI_OK; |
|
2459 |
} |
|
2460 |
||
17096
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2461 |
// Checks if name in command-line argument -agent{lib,path}:name[=options] |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2462 |
// represents a valid HPROF of JDWP agent. is_path==true denotes that we |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2463 |
// are dealing with -agentpath (case where name is a path), otherwise with |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2464 |
// -agentlib |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2465 |
bool valid_hprof_or_jdwp_agent(char *name, bool is_path) { |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2466 |
char *_name; |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2467 |
const char *_hprof = "hprof", *_jdwp = "jdwp"; |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2468 |
size_t _len_hprof, _len_jdwp, _len_prefix; |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2469 |
|
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2470 |
if (is_path) { |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2471 |
if ((_name = strrchr(name, (int) *os::file_separator())) == NULL) { |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2472 |
return false; |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2473 |
} |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2474 |
|
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2475 |
_name++; // skip past last path separator |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2476 |
_len_prefix = strlen(JNI_LIB_PREFIX); |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2477 |
|
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2478 |
if (strncmp(_name, JNI_LIB_PREFIX, _len_prefix) != 0) { |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2479 |
return false; |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2480 |
} |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2481 |
|
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2482 |
_name += _len_prefix; |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2483 |
_len_hprof = strlen(_hprof); |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2484 |
_len_jdwp = strlen(_jdwp); |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2485 |
|
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2486 |
if (strncmp(_name, _hprof, _len_hprof) == 0) { |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2487 |
_name += _len_hprof; |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2488 |
} |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2489 |
else if (strncmp(_name, _jdwp, _len_jdwp) == 0) { |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2490 |
_name += _len_jdwp; |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2491 |
} |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2492 |
else { |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2493 |
return false; |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2494 |
} |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2495 |
|
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2496 |
if (strcmp(_name, JNI_LIB_SUFFIX) != 0) { |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2497 |
return false; |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2498 |
} |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2499 |
|
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2500 |
return true; |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2501 |
} |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2502 |
|
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2503 |
if (strcmp(name, _hprof) == 0 || strcmp(name, _jdwp) == 0) { |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2504 |
return true; |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2505 |
} |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2506 |
|
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2507 |
return false; |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2508 |
} |
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2509 |
|
1 | 2510 |
jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
2511 |
SysClassPath* scp_p, |
|
2512 |
bool* scp_assembly_required_p, |
|
2513 |
FlagValueOrigin origin) { |
|
2514 |
// Remaining part of option string |
|
2515 |
const char* tail; |
|
2516 |
||
2517 |
// iterate over arguments |
|
2518 |
for (int index = 0; index < args->nOptions; index++) { |
|
2519 |
bool is_absolute_path = false; // for -agentpath vs -agentlib |
|
2520 |
||
2521 |
const JavaVMOption* option = args->options + index; |
|
2522 |
||
2523 |
if (!match_option(option, "-Djava.class.path", &tail) && |
|
2524 |
!match_option(option, "-Dsun.java.command", &tail) && |
|
2525 |
!match_option(option, "-Dsun.java.launcher", &tail)) { |
|
2526 |
||
2527 |
// add all jvm options to the jvm_args string. This string |
|
2528 |
// is used later to set the java.vm.args PerfData string constant. |
|
2529 |
// the -Djava.class.path and the -Dsun.java.command options are |
|
2530 |
// omitted from jvm_args string as each have their own PerfData |
|
2531 |
// string constant object. |
|
2532 |
build_jvm_args(option->optionString); |
|
2533 |
} |
|
2534 |
||
2535 |
// -verbose:[class/gc/jni] |
|
2536 |
if (match_option(option, "-verbose", &tail)) { |
|
2537 |
if (!strcmp(tail, ":class") || !strcmp(tail, "")) { |
|
2538 |
FLAG_SET_CMDLINE(bool, TraceClassLoading, true); |
|
2539 |
FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); |
|
2540 |
} else if (!strcmp(tail, ":gc")) { |
|
2541 |
FLAG_SET_CMDLINE(bool, PrintGC, true); |
|
2542 |
} else if (!strcmp(tail, ":jni")) { |
|
2543 |
FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); |
|
2544 |
} |
|
2545 |
// -da / -ea / -disableassertions / -enableassertions |
|
2546 |
// These accept an optional class/package name separated by a colon, e.g., |
|
2547 |
// -da:java.lang.Thread. |
|
2548 |
} else if (match_option(option, user_assertion_options, &tail, true)) { |
|
2549 |
bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' |
|
2550 |
if (*tail == '\0') { |
|
2551 |
JavaAssertions::setUserClassDefault(enable); |
|
2552 |
} else { |
|
2553 |
assert(*tail == ':', "bogus match by match_option()"); |
|
2554 |
JavaAssertions::addOption(tail + 1, enable); |
|
2555 |
} |
|
2556 |
// -dsa / -esa / -disablesystemassertions / -enablesystemassertions |
|
2557 |
} else if (match_option(option, system_assertion_options, &tail, false)) { |
|
2558 |
bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' |
|
2559 |
JavaAssertions::setSystemClassDefault(enable); |
|
2560 |
// -bootclasspath: |
|
2561 |
} else if (match_option(option, "-Xbootclasspath:", &tail)) { |
|
2562 |
scp_p->reset_path(tail); |
|
2563 |
*scp_assembly_required_p = true; |
|
2564 |
// -bootclasspath/a: |
|
2565 |
} else if (match_option(option, "-Xbootclasspath/a:", &tail)) { |
|
2566 |
scp_p->add_suffix(tail); |
|
2567 |
*scp_assembly_required_p = true; |
|
2568 |
// -bootclasspath/p: |
|
2569 |
} else if (match_option(option, "-Xbootclasspath/p:", &tail)) { |
|
2570 |
scp_p->add_prefix(tail); |
|
2571 |
*scp_assembly_required_p = true; |
|
2572 |
// -Xrun |
|
2573 |
} else if (match_option(option, "-Xrun", &tail)) { |
|
1907
405ab5976b58
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
1889
diff
changeset
|
2574 |
if (tail != NULL) { |
1 | 2575 |
const char* pos = strchr(tail, ':'); |
2576 |
size_t len = (pos == NULL) ? strlen(tail) : pos - tail; |
|
13195 | 2577 |
char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
1 | 2578 |
name[len] = '\0'; |
2579 |
||
2580 |
char *options = NULL; |
|
2581 |
if(pos != NULL) { |
|
2582 |
size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. |
|
13195 | 2583 |
options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
1 | 2584 |
} |
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2585 |
#if !INCLUDE_JVMTI |
1 | 2586 |
if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
15936
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2587 |
jio_fprintf(defaultStream::error_stream(), |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2588 |
"Profiling and debugging agents are not supported in this VM\n"); |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2589 |
return JNI_ERR; |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2590 |
} |
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2591 |
#endif // !INCLUDE_JVMTI |
15936
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2592 |
add_init_library(name, options); |
1 | 2593 |
} |
2594 |
// -agentlib and -agentpath |
|
2595 |
} else if (match_option(option, "-agentlib:", &tail) || |
|
2596 |
(is_absolute_path = match_option(option, "-agentpath:", &tail))) { |
|
2597 |
if(tail != NULL) { |
|
2598 |
const char* pos = strchr(tail, '='); |
|
2599 |
size_t len = (pos == NULL) ? strlen(tail) : pos - tail; |
|
13195 | 2600 |
char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
1 | 2601 |
name[len] = '\0'; |
2602 |
||
2603 |
char *options = NULL; |
|
2604 |
if(pos != NULL) { |
|
13195 | 2605 |
options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
1 | 2606 |
} |
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2607 |
#if !INCLUDE_JVMTI |
17096
1cfa436cf2fd
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
16686
diff
changeset
|
2608 |
if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
15936
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2609 |
jio_fprintf(defaultStream::error_stream(), |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2610 |
"Profiling and debugging agents are not supported in this VM\n"); |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2611 |
return JNI_ERR; |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2612 |
} |
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2613 |
#endif // !INCLUDE_JVMTI |
1 | 2614 |
add_init_agent(name, options, is_absolute_path); |
2615 |
} |
|
2616 |
// -javaagent |
|
2617 |
} else if (match_option(option, "-javaagent:", &tail)) { |
|
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2618 |
#if !INCLUDE_JVMTI |
15936
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2619 |
jio_fprintf(defaultStream::error_stream(), |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2620 |
"Instrumentation agents are not supported in this VM\n"); |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2621 |
return JNI_ERR; |
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2622 |
#else |
1 | 2623 |
if(tail != NULL) { |
13195 | 2624 |
char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
1 | 2625 |
add_init_agent("instrument", options, false); |
2626 |
} |
|
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2627 |
#endif // !INCLUDE_JVMTI |
1 | 2628 |
// -Xnoclassgc |
2629 |
} else if (match_option(option, "-Xnoclassgc", &tail)) { |
|
2630 |
FLAG_SET_CMDLINE(bool, ClassUnloading, false); |
|
2631 |
// -Xincgc: i-CMS |
|
2632 |
} else if (match_option(option, "-Xincgc", &tail)) { |
|
2633 |
FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); |
|
2634 |
FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); |
|
2635 |
// -Xnoincgc: no i-CMS |
|
2636 |
} else if (match_option(option, "-Xnoincgc", &tail)) { |
|
2637 |
FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); |
|
2638 |
FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); |
|
2639 |
// -Xconcgc |
|
2640 |
} else if (match_option(option, "-Xconcgc", &tail)) { |
|
2641 |
FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); |
|
2642 |
// -Xnoconcgc |
|
2643 |
} else if (match_option(option, "-Xnoconcgc", &tail)) { |
|
2644 |
FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); |
|
2645 |
// -Xbatch |
|
2646 |
} else if (match_option(option, "-Xbatch", &tail)) { |
|
2647 |
FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); |
|
2648 |
// -Xmn for compatibility with other JVM vendors |
|
2649 |
} else if (match_option(option, "-Xmn", &tail)) { |
|
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
2650 |
julong long_initial_eden_size = 0; |
1 | 2651 |
ArgsRange errcode = parse_memory_size(tail, &long_initial_eden_size, 1); |
2652 |
if (errcode != arg_in_range) { |
|
2653 |
jio_fprintf(defaultStream::error_stream(), |
|
2654 |
"Invalid initial eden size: %s\n", option->optionString); |
|
2655 |
describe_range_error(errcode); |
|
2656 |
return JNI_EINVAL; |
|
2657 |
} |
|
4434 | 2658 |
FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_eden_size); |
2659 |
FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_eden_size); |
|
1 | 2660 |
// -Xms |
2661 |
} else if (match_option(option, "-Xms", &tail)) { |
|
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
2662 |
julong long_initial_heap_size = 0; |
17322
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
2663 |
// an initial heap size of 0 means automatically determine |
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
2664 |
ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
1 | 2665 |
if (errcode != arg_in_range) { |
2666 |
jio_fprintf(defaultStream::error_stream(), |
|
2667 |
"Invalid initial heap size: %s\n", option->optionString); |
|
2668 |
describe_range_error(errcode); |
|
2669 |
return JNI_EINVAL; |
|
2670 |
} |
|
4434 | 2671 |
FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
1 | 2672 |
// Currently the minimum size and the initial heap sizes are the same. |
4434 | 2673 |
set_min_heap_size(InitialHeapSize); |
1 | 2674 |
// -Xmx |
17322
35c488005999
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
17321
diff
changeset
|
2675 |
} else if (match_option(option, "-Xmx", &tail) || match_option(option, "-XX:MaxHeapSize=", &tail)) { |
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
2676 |
julong long_max_heap_size = 0; |
1 | 2677 |
ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
2678 |
if (errcode != arg_in_range) { |
|
2679 |
jio_fprintf(defaultStream::error_stream(), |
|
2680 |
"Invalid maximum heap size: %s\n", option->optionString); |
|
2681 |
describe_range_error(errcode); |
|
2682 |
return JNI_EINVAL; |
|
2683 |
} |
|
4434 | 2684 |
FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
1 | 2685 |
// Xmaxf |
2686 |
} else if (match_option(option, "-Xmaxf", &tail)) { |
|
2687 |
int maxf = (int)(atof(tail) * 100); |
|
2688 |
if (maxf < 0 || maxf > 100) { |
|
2689 |
jio_fprintf(defaultStream::error_stream(), |
|
2690 |
"Bad max heap free percentage size: %s\n", |
|
2691 |
option->optionString); |
|
2692 |
return JNI_EINVAL; |
|
2693 |
} else { |
|
2694 |
FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); |
|
2695 |
} |
|
2696 |
// Xminf |
|
2697 |
} else if (match_option(option, "-Xminf", &tail)) { |
|
2698 |
int minf = (int)(atof(tail) * 100); |
|
2699 |
if (minf < 0 || minf > 100) { |
|
2700 |
jio_fprintf(defaultStream::error_stream(), |
|
2701 |
"Bad min heap free percentage size: %s\n", |
|
2702 |
option->optionString); |
|
2703 |
return JNI_EINVAL; |
|
2704 |
} else { |
|
2705 |
FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); |
|
2706 |
} |
|
2707 |
// -Xss |
|
2708 |
} else if (match_option(option, "-Xss", &tail)) { |
|
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
2709 |
julong long_ThreadStackSize = 0; |
1 | 2710 |
ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
2711 |
if (errcode != arg_in_range) { |
|
2712 |
jio_fprintf(defaultStream::error_stream(), |
|
2713 |
"Invalid thread stack size: %s\n", option->optionString); |
|
2714 |
describe_range_error(errcode); |
|
2715 |
return JNI_EINVAL; |
|
2716 |
} |
|
2717 |
// Internally track ThreadStackSize in units of 1024 bytes. |
|
2718 |
FLAG_SET_CMDLINE(intx, ThreadStackSize, |
|
2719 |
round_to((int)long_ThreadStackSize, K) / K); |
|
2720 |
// -Xoss |
|
2721 |
} else if (match_option(option, "-Xoss", &tail)) { |
|
2722 |
// HotSpot does not have separate native and Java stacks, ignore silently for compatibility |
|
18506
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2723 |
} else if (match_option(option, "-XX:CodeCacheExpansionSize=", &tail)) { |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2724 |
julong long_CodeCacheExpansionSize = 0; |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2725 |
ArgsRange errcode = parse_memory_size(tail, &long_CodeCacheExpansionSize, os::vm_page_size()); |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2726 |
if (errcode != arg_in_range) { |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2727 |
jio_fprintf(defaultStream::error_stream(), |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2728 |
"Invalid argument: %s. Must be at least %luK.\n", option->optionString, |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2729 |
os::vm_page_size()/K); |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2730 |
return JNI_EINVAL; |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2731 |
} |
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2732 |
FLAG_SET_CMDLINE(uintx, CodeCacheExpansionSize, (uintx)long_CodeCacheExpansionSize); |
7719
ef138e2849eb
6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
coleenp
parents:
7427
diff
changeset
|
2733 |
} else if (match_option(option, "-Xmaxjitcodesize", &tail) || |
ef138e2849eb
6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
coleenp
parents:
7427
diff
changeset
|
2734 |
match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
2735 |
julong long_ReservedCodeCacheSize = 0; |
18506
af8765fafc07
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
18106
diff
changeset
|
2736 |
|
17874
ca460b733b76
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
17617
diff
changeset
|
2737 |
ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1); |
1 | 2738 |
if (errcode != arg_in_range) { |
2739 |
jio_fprintf(defaultStream::error_stream(), |
|
17874
ca460b733b76
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
17617
diff
changeset
|
2740 |
"Invalid maximum code cache size: %s.\n", option->optionString); |
1 | 2741 |
return JNI_EINVAL; |
2742 |
} |
|
2743 |
FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize); |
|
17617
4e330bce1812
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
17399
diff
changeset
|
2744 |
//-XX:IncreaseFirstTierCompileThresholdAt= |
4e330bce1812
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
17399
diff
changeset
|
2745 |
} else if (match_option(option, "-XX:IncreaseFirstTierCompileThresholdAt=", &tail)) { |
4e330bce1812
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
17399
diff
changeset
|
2746 |
uintx uint_IncreaseFirstTierCompileThresholdAt = 0; |
4e330bce1812
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
17399
diff
changeset
|
2747 |
if (!parse_uintx(tail, &uint_IncreaseFirstTierCompileThresholdAt, 0) || uint_IncreaseFirstTierCompileThresholdAt > 99) { |
4e330bce1812
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
17399
diff
changeset
|
2748 |
jio_fprintf(defaultStream::error_stream(), |
4e330bce1812
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
17399
diff
changeset
|
2749 |
"Invalid value for IncreaseFirstTierCompileThresholdAt: %s. Should be between 0 and 99.\n", |
4e330bce1812
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
17399
diff
changeset
|
2750 |
option->optionString); |
4e330bce1812
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
17399
diff
changeset
|
2751 |
return JNI_EINVAL; |
4e330bce1812
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
17399
diff
changeset
|
2752 |
} |
4e330bce1812
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
17399
diff
changeset
|
2753 |
FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt); |
1 | 2754 |
// -green |
2755 |
} else if (match_option(option, "-green", &tail)) { |
|
2756 |
jio_fprintf(defaultStream::error_stream(), |
|
2757 |
"Green threads support not available\n"); |
|
2758 |
return JNI_EINVAL; |
|
2759 |
// -native |
|
2760 |
} else if (match_option(option, "-native", &tail)) { |
|
2761 |
// HotSpot always uses native threads, ignore silently for compatibility |
|
2762 |
// -Xsqnopause |
|
2763 |
} else if (match_option(option, "-Xsqnopause", &tail)) { |
|
2764 |
// EVM option, ignore silently for compatibility |
|
2765 |
// -Xrs |
|
2766 |
} else if (match_option(option, "-Xrs", &tail)) { |
|
2767 |
// Classic/EVM option, new functionality |
|
2768 |
FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); |
|
2769 |
} else if (match_option(option, "-Xusealtsigs", &tail)) { |
|
2770 |
// change default internal VM signals used - lower case for back compat |
|
2771 |
FLAG_SET_CMDLINE(bool, UseAltSigs, true); |
|
2772 |
// -Xoptimize |
|
2773 |
} else if (match_option(option, "-Xoptimize", &tail)) { |
|
2774 |
// EVM option, ignore silently for compatibility |
|
2775 |
// -Xprof |
|
2776 |
} else if (match_option(option, "-Xprof", &tail)) { |
|
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2777 |
#if INCLUDE_FPROF |
1 | 2778 |
_has_profile = true; |
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2779 |
#else // INCLUDE_FPROF |
15936
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2780 |
jio_fprintf(defaultStream::error_stream(), |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2781 |
"Flat profiling is not supported in this VM.\n"); |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2782 |
return JNI_ERR; |
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2783 |
#endif // INCLUDE_FPROF |
1 | 2784 |
// -Xconcurrentio |
2785 |
} else if (match_option(option, "-Xconcurrentio", &tail)) { |
|
2786 |
FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); |
|
2787 |
FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); |
|
2788 |
FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); |
|
2789 |
FLAG_SET_CMDLINE(bool, UseTLAB, false); |
|
2790 |
FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation |
|
2791 |
||
2792 |
// -Xinternalversion |
|
2793 |
} else if (match_option(option, "-Xinternalversion", &tail)) { |
|
2794 |
jio_fprintf(defaultStream::output_stream(), "%s\n", |
|
2795 |
VM_Version::internal_vm_info_string()); |
|
2796 |
vm_exit(0); |
|
2797 |
#ifndef PRODUCT |
|
2798 |
// -Xprintflags |
|
2799 |
} else if (match_option(option, "-Xprintflags", &tail)) { |
|
11441 | 2800 |
CommandLineFlags::printFlags(tty, false); |
1 | 2801 |
vm_exit(0); |
2802 |
#endif |
|
2803 |
// -D |
|
2804 |
} else if (match_option(option, "-D", &tail)) { |
|
2805 |
if (!add_property(tail)) { |
|
2806 |
return JNI_ENOMEM; |
|
2807 |
} |
|
2808 |
// Out of the box management support |
|
2809 |
if (match_option(option, "-Dcom.sun.management", &tail)) { |
|
15757
c8bc1070b876
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
15483
diff
changeset
|
2810 |
#if INCLUDE_MANAGEMENT |
1 | 2811 |
FLAG_SET_CMDLINE(bool, ManagementServer, true); |
15757
c8bc1070b876
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
15483
diff
changeset
|
2812 |
#else |
15936
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2813 |
jio_fprintf(defaultStream::output_stream(), |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2814 |
"-Dcom.sun.management is not supported in this VM.\n"); |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
2815 |
return JNI_ERR; |
15757
c8bc1070b876
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
15483
diff
changeset
|
2816 |
#endif |
1 | 2817 |
} |
2818 |
// -Xint |
|
2819 |
} else if (match_option(option, "-Xint", &tail)) { |
|
2820 |
set_mode_flags(_int); |
|
2821 |
// -Xmixed |
|
2822 |
} else if (match_option(option, "-Xmixed", &tail)) { |
|
2823 |
set_mode_flags(_mixed); |
|
2824 |
// -Xcomp |
|
2825 |
} else if (match_option(option, "-Xcomp", &tail)) { |
|
2826 |
// for testing the compiler; turn off all flags that inhibit compilation |
|
2827 |
set_mode_flags(_comp); |
|
2828 |
// -Xshare:dump |
|
2829 |
} else if (match_option(option, "-Xshare:dump", &tail)) { |
|
2830 |
FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); |
|
2831 |
set_mode_flags(_int); // Prevent compilation, which creates objects |
|
2832 |
// -Xshare:on |
|
2833 |
} else if (match_option(option, "-Xshare:on", &tail)) { |
|
2834 |
FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); |
|
2835 |
FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); |
|
2836 |
// -Xshare:auto |
|
2837 |
} else if (match_option(option, "-Xshare:auto", &tail)) { |
|
2838 |
FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); |
|
2839 |
FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); |
|
2840 |
// -Xshare:off |
|
2841 |
} else if (match_option(option, "-Xshare:off", &tail)) { |
|
2842 |
FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); |
|
2843 |
FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); |
|
2844 |
// -Xverify |
|
2845 |
} else if (match_option(option, "-Xverify", &tail)) { |
|
2846 |
if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { |
|
2847 |
FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); |
|
2848 |
FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); |
|
2849 |
} else if (strcmp(tail, ":remote") == 0) { |
|
2850 |
FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); |
|
2851 |
FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); |
|
2852 |
} else if (strcmp(tail, ":none") == 0) { |
|
2853 |
FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); |
|
2854 |
FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); |
|
2855 |
} else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { |
|
2856 |
return JNI_EINVAL; |
|
2857 |
} |
|
2858 |
// -Xdebug |
|
2859 |
} else if (match_option(option, "-Xdebug", &tail)) { |
|
2860 |
// note this flag has been used, then ignore |
|
2861 |
set_xdebug_mode(true); |
|
2862 |
// -Xnoagent |
|
2863 |
} else if (match_option(option, "-Xnoagent", &tail)) { |
|
2864 |
// For compatibility with classic. HotSpot refuses to load the old style agent.dll. |
|
2865 |
} else if (match_option(option, "-Xboundthreads", &tail)) { |
|
2866 |
// Bind user level threads to kernel threads (Solaris only) |
|
2867 |
FLAG_SET_CMDLINE(bool, UseBoundThreads, true); |
|
2868 |
} else if (match_option(option, "-Xloggc:", &tail)) { |
|
2869 |
// Redirect GC output to the file. -Xloggc:<filename> |
|
2870 |
// ostream_init_log(), when called will use this filename |
|
2871 |
// to initialize a fileStream. |
|
2872 |
_gc_log_filename = strdup(tail); |
|
19968 | 2873 |
if (!is_filename_valid(_gc_log_filename)) { |
2874 |
jio_fprintf(defaultStream::output_stream(), |
|
2875 |
"Invalid file name for use with -Xloggc: Filename can only contain the " |
|
2876 |
"characters [A-Z][a-z][0-9]-_.%%[p|t] but it has been %s\n" |
|
2877 |
"Note %%p or %%t can only be used once\n", _gc_log_filename); |
|
2878 |
return JNI_EINVAL; |
|
2879 |
} |
|
1 | 2880 |
FLAG_SET_CMDLINE(bool, PrintGC, true); |
2881 |
FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); |
|
2882 |
||
2883 |
// JNI hooks |
|
2884 |
} else if (match_option(option, "-Xcheck", &tail)) { |
|
2885 |
if (!strcmp(tail, ":jni")) { |
|
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2886 |
#if !INCLUDE_JNI_CHECK |
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2887 |
warning("JNI CHECKING is not supported in this VM"); |
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2888 |
#else |
1 | 2889 |
CheckJNICalls = true; |
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
2890 |
#endif // INCLUDE_JNI_CHECK |
1 | 2891 |
} else if (is_bad_option(option, args->ignoreUnrecognized, |
2892 |
"check")) { |
|
2893 |
return JNI_EINVAL; |
|
2894 |
} |
|
2895 |
} else if (match_option(option, "vfprintf", &tail)) { |
|
2896 |
_vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); |
|
2897 |
} else if (match_option(option, "exit", &tail)) { |
|
2898 |
_exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); |
|
2899 |
} else if (match_option(option, "abort", &tail)) { |
|
2900 |
_abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); |
|
2901 |
// -XX:+AggressiveHeap |
|
2902 |
} else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { |
|
2903 |
||
2904 |
// This option inspects the machine and attempts to set various |
|
2905 |
// parameters to be optimal for long-running, memory allocation |
|
2906 |
// intensive jobs. It is intended for machines with large |
|
2907 |
// amounts of cpu and memory. |
|
2908 |
||
2909 |
// initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit |
|
2910 |
// VM, but we may not be able to represent the total physical memory |
|
2911 |
// available (like having 8gb of memory on a box but using a 32bit VM). |
|
2912 |
// Thus, we need to make sure we're using a julong for intermediate |
|
2913 |
// calculations. |
|
2914 |
julong initHeapSize; |
|
2915 |
julong total_memory = os::physical_memory(); |
|
2916 |
||
2917 |
if (total_memory < (julong)256*M) { |
|
2918 |
jio_fprintf(defaultStream::error_stream(), |
|
2919 |
"You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); |
|
2920 |
vm_exit(1); |
|
2921 |
} |
|
2922 |
||
2923 |
// The heap size is half of available memory, or (at most) |
|
2924 |
// all of possible memory less 160mb (leaving room for the OS |
|
2925 |
// when using ISM). This is the maximum; because adaptive sizing |
|
2926 |
// is turned on below, the actual space used may be smaller. |
|
2927 |
||
2928 |
initHeapSize = MIN2(total_memory / (julong)2, |
|
2929 |
total_memory - (julong)160*M); |
|
2930 |
||
16605
ba13efd453bc
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
16450
diff
changeset
|
2931 |
initHeapSize = limit_by_allocatable_memory(initHeapSize); |
1 | 2932 |
|
2933 |
if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
|
2934 |
FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); |
|
4434 | 2935 |
FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
1 | 2936 |
// Currently the minimum size and the initial heap sizes are the same. |
4434 | 2937 |
set_min_heap_size(initHeapSize); |
1 | 2938 |
} |
2939 |
if (FLAG_IS_DEFAULT(NewSize)) { |
|
2940 |
// Make the young generation 3/8ths of the total heap. |
|
2941 |
FLAG_SET_CMDLINE(uintx, NewSize, |
|
2942 |
((julong)MaxHeapSize / (julong)8) * (julong)3); |
|
2943 |
FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); |
|
2944 |
} |
|
2945 |
||
14285
afa3d693e0f6
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
14284
diff
changeset
|
2946 |
#ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
1 | 2947 |
FLAG_SET_DEFAULT(UseLargePages, true); |
14285
afa3d693e0f6
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
14284
diff
changeset
|
2948 |
#endif |
1 | 2949 |
|
2950 |
// Increase some data structure sizes for efficiency |
|
2951 |
FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); |
|
2952 |
FLAG_SET_CMDLINE(bool, ResizeTLAB, false); |
|
2953 |
FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); |
|
2954 |
||
2955 |
// See the OldPLABSize comment below, but replace 'after promotion' |
|
2956 |
// with 'after copying'. YoungPLABSize is the size of the survivor |
|
2957 |
// space per-gc-thread buffers. The default is 4kw. |
|
2958 |
FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words |
|
2959 |
||
2960 |
// OldPLABSize is the size of the buffers in the old gen that |
|
2961 |
// UseParallelGC uses to promote live data that doesn't fit in the |
|
2962 |
// survivor spaces. At any given time, there's one for each gc thread. |
|
2963 |
// The default size is 1kw. These buffers are rarely used, since the |
|
2964 |
// survivor spaces are usually big enough. For specjbb, however, there |
|
2965 |
// are occasions when there's lots of live data in the young gen |
|
2966 |
// and we end up promoting some of it. We don't have a definite |
|
2967 |
// explanation for why bumping OldPLABSize helps, but the theory |
|
2968 |
// is that a bigger PLAB results in retaining something like the |
|
2969 |
// original allocation order after promotion, which improves mutator |
|
2970 |
// locality. A minor effect may be that larger PLABs reduce the |
|
2971 |
// number of PLAB allocation events during gc. The value of 8kw |
|
2972 |
// was arrived at by experimenting with specjbb. |
|
2973 |
FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words |
|
2974 |
||
2975 |
// Enable parallel GC and adaptive generation sizing |
|
2976 |
FLAG_SET_CMDLINE(bool, UseParallelGC, true); |
|
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
2977 |
FLAG_SET_DEFAULT(ParallelGCThreads, |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
2978 |
Abstract_VM_Version::parallel_worker_threads()); |
1 | 2979 |
|
2980 |
// Encourage steady state memory management |
|
2981 |
FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); |
|
2982 |
||
2983 |
// This appears to improve mutator locality |
|
2984 |
FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
|
2985 |
||
2986 |
// Get around early Solaris scheduling bug |
|
2987 |
// (affinity vs other jobs on system) |
|
2988 |
// but disallow DR and offlining (5008695). |
|
2989 |
FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); |
|
2990 |
||
2991 |
} else if (match_option(option, "-XX:+NeverTenure", &tail)) { |
|
2992 |
// The last option must always win. |
|
2993 |
FLAG_SET_CMDLINE(bool, AlwaysTenure, false); |
|
2994 |
FLAG_SET_CMDLINE(bool, NeverTenure, true); |
|
2995 |
} else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { |
|
2996 |
// The last option must always win. |
|
2997 |
FLAG_SET_CMDLINE(bool, NeverTenure, false); |
|
2998 |
FLAG_SET_CMDLINE(bool, AlwaysTenure, true); |
|
2999 |
} else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || |
|
3000 |
match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { |
|
3001 |
jio_fprintf(defaultStream::error_stream(), |
|
3002 |
"Please use CMSClassUnloadingEnabled in place of " |
|
3003 |
"CMSPermGenSweepingEnabled in the future\n"); |
|
3004 |
} else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { |
|
3005 |
FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); |
|
3006 |
jio_fprintf(defaultStream::error_stream(), |
|
3007 |
"Please use -XX:+UseGCOverheadLimit in place of " |
|
3008 |
"-XX:+UseGCTimeLimit in the future\n"); |
|
3009 |
} else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { |
|
3010 |
FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); |
|
3011 |
jio_fprintf(defaultStream::error_stream(), |
|
3012 |
"Please use -XX:-UseGCOverheadLimit in place of " |
|
3013 |
"-XX:-UseGCTimeLimit in the future\n"); |
|
3014 |
// The TLE options are for compatibility with 1.3 and will be |
|
3015 |
// removed without notice in a future release. These options |
|
3016 |
// are not to be documented. |
|
3017 |
} else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { |
|
3018 |
// No longer used. |
|
3019 |
} else if (match_option(option, "-XX:+ResizeTLE", &tail)) { |
|
3020 |
FLAG_SET_CMDLINE(bool, ResizeTLAB, true); |
|
3021 |
} else if (match_option(option, "-XX:-ResizeTLE", &tail)) { |
|
3022 |
FLAG_SET_CMDLINE(bool, ResizeTLAB, false); |
|
3023 |
} else if (match_option(option, "-XX:+PrintTLE", &tail)) { |
|
3024 |
FLAG_SET_CMDLINE(bool, PrintTLAB, true); |
|
3025 |
} else if (match_option(option, "-XX:-PrintTLE", &tail)) { |
|
3026 |
FLAG_SET_CMDLINE(bool, PrintTLAB, false); |
|
3027 |
} else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { |
|
3028 |
// No longer used. |
|
3029 |
} else if (match_option(option, "-XX:TLESize=", &tail)) { |
|
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
3030 |
julong long_tlab_size = 0; |
1 | 3031 |
ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
3032 |
if (errcode != arg_in_range) { |
|
3033 |
jio_fprintf(defaultStream::error_stream(), |
|
3034 |
"Invalid TLAB size: %s\n", option->optionString); |
|
3035 |
describe_range_error(errcode); |
|
3036 |
return JNI_EINVAL; |
|
3037 |
} |
|
3038 |
FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); |
|
3039 |
} else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { |
|
3040 |
// No longer used. |
|
3041 |
} else if (match_option(option, "-XX:+UseTLE", &tail)) { |
|
3042 |
FLAG_SET_CMDLINE(bool, UseTLAB, true); |
|
3043 |
} else if (match_option(option, "-XX:-UseTLE", &tail)) { |
|
3044 |
FLAG_SET_CMDLINE(bool, UseTLAB, false); |
|
3045 |
} else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { |
|
3046 |
FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); |
|
3047 |
FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); |
|
3048 |
} else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { |
|
3049 |
FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); |
|
3050 |
FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); |
|
3051 |
} else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { |
|
10739 | 3052 |
#if defined(DTRACE_ENABLED) |
1 | 3053 |
FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
3054 |
FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); |
|
3055 |
FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); |
|
3056 |
FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); |
|
10739 | 3057 |
#else // defined(DTRACE_ENABLED) |
1 | 3058 |
jio_fprintf(defaultStream::error_stream(), |
10739 | 3059 |
"ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
1 | 3060 |
return JNI_EINVAL; |
10739 | 3061 |
#endif // defined(DTRACE_ENABLED) |
1 | 3062 |
#ifdef ASSERT |
4574
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
3063 |
} else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
1 | 3064 |
FLAG_SET_CMDLINE(bool, FullGCALot, true); |
3065 |
// disable scavenge before parallel mark-compact |
|
3066 |
FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
|
3067 |
#endif |
|
4574
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
3068 |
} else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
1 | 3069 |
julong cms_blocks_to_claim = (julong)atol(tail); |
3070 |
FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
|
3071 |
jio_fprintf(defaultStream::error_stream(), |
|
4574
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
3072 |
"Please use -XX:OldPLABSize in place of " |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
3073 |
"-XX:CMSParPromoteBlocksToClaim in the future\n"); |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
3074 |
} else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
3075 |
julong cms_blocks_to_claim = (julong)atol(tail); |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
3076 |
FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
3077 |
jio_fprintf(defaultStream::error_stream(), |
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
3078 |
"Please use -XX:OldPLABSize in place of " |
1 | 3079 |
"-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
4574
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
3080 |
} else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
3081 |
julong old_plab_size = 0; |
1 | 3082 |
ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
3083 |
if (errcode != arg_in_range) { |
|
3084 |
jio_fprintf(defaultStream::error_stream(), |
|
3085 |
"Invalid old PLAB size: %s\n", option->optionString); |
|
3086 |
describe_range_error(errcode); |
|
3087 |
return JNI_EINVAL; |
|
3088 |
} |
|
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
3089 |
FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
1 | 3090 |
jio_fprintf(defaultStream::error_stream(), |
3091 |
"Please use -XX:OldPLABSize in place of " |
|
3092 |
"-XX:ParallelGCOldGenAllocBufferSize in the future\n"); |
|
4574
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
3093 |
} else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
3094 |
julong young_plab_size = 0; |
1 | 3095 |
ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
3096 |
if (errcode != arg_in_range) { |
|
3097 |
jio_fprintf(defaultStream::error_stream(), |
|
3098 |
"Invalid young PLAB size: %s\n", option->optionString); |
|
3099 |
describe_range_error(errcode); |
|
3100 |
return JNI_EINVAL; |
|
3101 |
} |
|
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1670
diff
changeset
|
3102 |
FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
1 | 3103 |
jio_fprintf(defaultStream::error_stream(), |
3104 |
"Please use -XX:YoungPLABSize in place of " |
|
3105 |
"-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); |
|
5035 | 3106 |
} else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
3107 |
match_option(option, "-XX:G1MarkStackSize=", &tail)) { |
|
3108 |
julong stack_size = 0; |
|
3109 |
ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); |
|
3110 |
if (errcode != arg_in_range) { |
|
3111 |
jio_fprintf(defaultStream::error_stream(), |
|
3112 |
"Invalid mark stack size: %s\n", option->optionString); |
|
3113 |
describe_range_error(errcode); |
|
3114 |
return JNI_EINVAL; |
|
3115 |
} |
|
3116 |
FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); |
|
3117 |
} else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { |
|
3118 |
julong max_stack_size = 0; |
|
3119 |
ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); |
|
3120 |
if (errcode != arg_in_range) { |
|
3121 |
jio_fprintf(defaultStream::error_stream(), |
|
3122 |
"Invalid maximum mark stack size: %s\n", |
|
3123 |
option->optionString); |
|
3124 |
describe_range_error(errcode); |
|
3125 |
return JNI_EINVAL; |
|
3126 |
} |
|
3127 |
FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); |
|
3128 |
} else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || |
|
3129 |
match_option(option, "-XX:ParallelCMSThreads=", &tail)) { |
|
3130 |
uintx conc_threads = 0; |
|
3131 |
if (!parse_uintx(tail, &conc_threads, 1)) { |
|
3132 |
jio_fprintf(defaultStream::error_stream(), |
|
3133 |
"Invalid concurrent threads: %s\n", option->optionString); |
|
3134 |
return JNI_EINVAL; |
|
3135 |
} |
|
3136 |
FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); |
|
13197
b552dfeffb3c
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
13196
diff
changeset
|
3137 |
} else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
b552dfeffb3c
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
13196
diff
changeset
|
3138 |
julong max_direct_memory_size = 0; |
b552dfeffb3c
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
13196
diff
changeset
|
3139 |
ArgsRange errcode = parse_memory_size(tail, &max_direct_memory_size, 0); |
b552dfeffb3c
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
13196
diff
changeset
|
3140 |
if (errcode != arg_in_range) { |
b552dfeffb3c
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
13196
diff
changeset
|
3141 |
jio_fprintf(defaultStream::error_stream(), |
b552dfeffb3c
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
13196
diff
changeset
|
3142 |
"Invalid maximum direct memory size: %s\n", |
b552dfeffb3c
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
13196
diff
changeset
|
3143 |
option->optionString); |
b552dfeffb3c
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
13196
diff
changeset
|
3144 |
describe_range_error(errcode); |
b552dfeffb3c
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
13196
diff
changeset
|
3145 |
return JNI_EINVAL; |
b552dfeffb3c
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
13196
diff
changeset
|
3146 |
} |
b552dfeffb3c
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
13196
diff
changeset
|
3147 |
FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
14116
103b29e77974
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
13978
diff
changeset
|
3148 |
} else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
103b29e77974
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
13978
diff
changeset
|
3149 |
// NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
103b29e77974
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
13978
diff
changeset
|
3150 |
// away and will cause VM initialization failures! |
103b29e77974
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
13978
diff
changeset
|
3151 |
warning("-XX:+UseVMInterruptibleIO is obsolete and will be removed in a future release."); |
103b29e77974
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
13978
diff
changeset
|
3152 |
FLAG_SET_CMDLINE(bool, UseVMInterruptibleIO, true); |
15757
c8bc1070b876
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
15483
diff
changeset
|
3153 |
#if !INCLUDE_MANAGEMENT |
c8bc1070b876
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
15483
diff
changeset
|
3154 |
} else if (match_option(option, "-XX:+ManagementServer", &tail)) { |
15936
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
3155 |
jio_fprintf(defaultStream::error_stream(), |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
3156 |
"ManagementServer is not supported in this VM.\n"); |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
3157 |
return JNI_ERR; |
15757
c8bc1070b876
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
15483
diff
changeset
|
3158 |
#endif // INCLUDE_MANAGEMENT |
4574
b2d5b0975515
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
4444
diff
changeset
|
3159 |
} else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
1 | 3160 |
// Skip -XX:Flags= since that case has already been handled |
3161 |
if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { |
|
3162 |
if (!process_argument(tail, args->ignoreUnrecognized, origin)) { |
|
3163 |
return JNI_EINVAL; |
|
3164 |
} |
|
3165 |
} |
|
3166 |
// Unknown option |
|
3167 |
} else if (is_bad_option(option, args->ignoreUnrecognized)) { |
|
3168 |
return JNI_ERR; |
|
3169 |
} |
|
3170 |
} |
|
9990
c8683968c01b
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
9450
diff
changeset
|
3171 |
|
1602
6859fd21ba2b
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
1500
diff
changeset
|
3172 |
// Change the default value for flags which have different default values |
6859fd21ba2b
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
1500
diff
changeset
|
3173 |
// when working with older JDKs. |
6174
24cec171092f
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
5908
diff
changeset
|
3174 |
#ifdef LINUX |
24cec171092f
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
5908
diff
changeset
|
3175 |
if (JDK_Version::current().compare_major(6) <= 0 && |
24cec171092f
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
5908
diff
changeset
|
3176 |
FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
24cec171092f
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
5908
diff
changeset
|
3177 |
FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
24cec171092f
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
5908
diff
changeset
|
3178 |
} |
24cec171092f
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
5908
diff
changeset
|
3179 |
#endif // LINUX |
1 | 3180 |
return JNI_OK; |
3181 |
} |
|
3182 |
||
3183 |
jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { |
|
3184 |
// This must be done after all -D arguments have been processed. |
|
3185 |
scp_p->expand_endorsed(); |
|
3186 |
||
3187 |
if (scp_assembly_required || scp_p->get_endorsed() != NULL) { |
|
3188 |
// Assemble the bootclasspath elements into the final path. |
|
3189 |
Arguments::set_sysclasspath(scp_p->combined_path()); |
|
3190 |
} |
|
3191 |
||
3192 |
// This must be done after all arguments have been processed. |
|
3193 |
// java_compiler() true means set to "NONE" or empty. |
|
3194 |
if (java_compiler() && !xdebug_mode()) { |
|
3195 |
// For backwards compatibility, we switch to interpreted mode if |
|
3196 |
// -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was |
|
3197 |
// not specified. |
|
3198 |
set_mode_flags(_int); |
|
3199 |
} |
|
3200 |
if (CompileThreshold == 0) { |
|
3201 |
set_mode_flags(_int); |
|
3202 |
} |
|
3203 |
||
17397
609242d28659
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
17392
diff
changeset
|
3204 |
// eventually fix up InitialTenuringThreshold if only MaxTenuringThreshold is set |
609242d28659
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
17392
diff
changeset
|
3205 |
if (FLAG_IS_DEFAULT(InitialTenuringThreshold) && (InitialTenuringThreshold > MaxTenuringThreshold)) { |
609242d28659
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
17392
diff
changeset
|
3206 |
FLAG_SET_ERGO(uintx, InitialTenuringThreshold, MaxTenuringThreshold); |
609242d28659
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
17392
diff
changeset
|
3207 |
} |
609242d28659
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
17392
diff
changeset
|
3208 |
|
1 | 3209 |
#ifndef COMPILER2 |
3210 |
// Don't degrade server performance for footprint |
|
3211 |
if (FLAG_IS_DEFAULT(UseLargePages) && |
|
3212 |
MaxHeapSize < LargePageHeapSizeThreshold) { |
|
3213 |
// No need for large granularity pages w/small heaps. |
|
3214 |
// Note that large pages are enabled/disabled for both the |
|
3215 |
// Java heap and the code cache. |
|
3216 |
FLAG_SET_DEFAULT(UseLargePages, false); |
|
3217 |
} |
|
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
3218 |
|
1 | 3219 |
#else |
3220 |
if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { |
|
3221 |
FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); |
|
3222 |
} |
|
3223 |
#endif |
|
3224 |
||
19155
706406e1c98e
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
18946
diff
changeset
|
3225 |
#ifndef TIERED |
706406e1c98e
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
18946
diff
changeset
|
3226 |
// Tiered compilation is undefined. |
706406e1c98e
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
18946
diff
changeset
|
3227 |
UNSUPPORTED_OPTION(TieredCompilation, "TieredCompilation"); |
706406e1c98e
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
18946
diff
changeset
|
3228 |
#endif |
706406e1c98e
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
18946
diff
changeset
|
3229 |
|
6176
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3230 |
// If we are running in a headless jre, force java.awt.headless property |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3231 |
// to be true unless the property has already been set. |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3232 |
// Also allow the OS environment variable JAVA_AWT_HEADLESS to set headless state. |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3233 |
if (os::is_headless_jre()) { |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3234 |
const char* headless = Arguments::get_property("java.awt.headless"); |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3235 |
if (headless == NULL) { |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3236 |
char envbuffer[128]; |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3237 |
if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3238 |
if (!add_property("java.awt.headless=true")) { |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3239 |
return JNI_ENOMEM; |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3240 |
} |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3241 |
} else { |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3242 |
char buffer[256]; |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3243 |
strcpy(buffer, "java.awt.headless="); |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3244 |
strcat(buffer, envbuffer); |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3245 |
if (!add_property(buffer)) { |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3246 |
return JNI_ENOMEM; |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3247 |
} |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3248 |
} |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3249 |
} |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3250 |
} |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3251 |
|
1 | 3252 |
if (!check_vm_args_consistency()) { |
3253 |
return JNI_ERR; |
|
3254 |
} |
|
3255 |
||
3256 |
return JNI_OK; |
|
3257 |
} |
|
3258 |
||
3259 |
jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { |
|
3260 |
return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, |
|
3261 |
scp_assembly_required_p); |
|
3262 |
} |
|
3263 |
||
3264 |
jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { |
|
3265 |
return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, |
|
3266 |
scp_assembly_required_p); |
|
3267 |
} |
|
3268 |
||
3269 |
jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { |
|
3270 |
const int N_MAX_OPTIONS = 64; |
|
3271 |
const int OPTION_BUFFER_SIZE = 1024; |
|
3272 |
char buffer[OPTION_BUFFER_SIZE]; |
|
3273 |
||
3274 |
// The variable will be ignored if it exceeds the length of the buffer. |
|
3275 |
// Don't check this variable if user has special privileges |
|
3276 |
// (e.g. unix su command). |
|
3277 |
if (os::getenv(name, buffer, sizeof(buffer)) && |
|
3278 |
!os::have_special_privileges()) { |
|
3279 |
JavaVMOption options[N_MAX_OPTIONS]; // Construct option array |
|
3280 |
jio_fprintf(defaultStream::error_stream(), |
|
3281 |
"Picked up %s: %s\n", name, buffer); |
|
3282 |
char* rd = buffer; // pointer to the input string (rd) |
|
3283 |
int i; |
|
3284 |
for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string |
|
3285 |
while (isspace(*rd)) rd++; // skip whitespace |
|
3286 |
if (*rd == 0) break; // we re done when the input string is read completely |
|
3287 |
||
3288 |
// The output, option string, overwrites the input string. |
|
3289 |
// Because of quoting, the pointer to the option string (wrt) may lag the pointer to |
|
3290 |
// input string (rd). |
|
3291 |
char* wrt = rd; |
|
3292 |
||
3293 |
options[i++].optionString = wrt; // Fill in option |
|
3294 |
while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL |
|
3295 |
if (*rd == '\'' || *rd == '"') { // handle a quoted string |
|
3296 |
int quote = *rd; // matching quote to look for |
|
3297 |
rd++; // don't copy open quote |
|
3298 |
while (*rd != quote) { // include everything (even spaces) up until quote |
|
3299 |
if (*rd == 0) { // string termination means unmatched string |
|
3300 |
jio_fprintf(defaultStream::error_stream(), |
|
3301 |
"Unmatched quote in %s\n", name); |
|
3302 |
return JNI_ERR; |
|
3303 |
} |
|
3304 |
*wrt++ = *rd++; // copy to option string |
|
3305 |
} |
|
3306 |
rd++; // don't copy close quote |
|
3307 |
} else { |
|
3308 |
*wrt++ = *rd++; // copy to option string |
|
3309 |
} |
|
3310 |
} |
|
3311 |
// Need to check if we're done before writing a NULL, |
|
3312 |
// because the write could be to the byte that rd is pointing to. |
|
3313 |
if (*rd++ == 0) { |
|
3314 |
*wrt = 0; |
|
3315 |
break; |
|
3316 |
} |
|
3317 |
*wrt = 0; // Zero terminate option |
|
3318 |
} |
|
3319 |
// Construct JavaVMInitArgs structure and parse as if it was part of the command line |
|
3320 |
JavaVMInitArgs vm_args; |
|
3321 |
vm_args.version = JNI_VERSION_1_2; |
|
3322 |
vm_args.options = options; |
|
3323 |
vm_args.nOptions = i; |
|
2028 | 3324 |
vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
1 | 3325 |
|
3326 |
if (PrintVMOptions) { |
|
3327 |
const char* tail; |
|
3328 |
for (int i = 0; i < vm_args.nOptions; i++) { |
|
3329 |
const JavaVMOption *option = vm_args.options + i; |
|
3330 |
if (match_option(option, "-XX:", &tail)) { |
|
3331 |
logOption(tail); |
|
3332 |
} |
|
3333 |
} |
|
3334 |
} |
|
3335 |
||
3336 |
return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, ENVIRON_VAR)); |
|
3337 |
} |
|
3338 |
return JNI_OK; |
|
3339 |
} |
|
3340 |
||
8681
c691d94813f9
7018056: large pages not always enabled by default
jcoomes
parents:
8476
diff
changeset
|
3341 |
void Arguments::set_shared_spaces_flags() { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13516
diff
changeset
|
3342 |
if (DumpSharedSpaces) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13516
diff
changeset
|
3343 |
if (RequireSharedSpaces) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13516
diff
changeset
|
3344 |
warning("cannot dump shared archive while using shared archive"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13516
diff
changeset
|
3345 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13516
diff
changeset
|
3346 |
UseSharedSpaces = false; |
19319
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
3347 |
#ifdef _LP64 |
19979
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
3348 |
if (!UseCompressedOops || !UseCompressedClassPointers) { |
19319
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
3349 |
vm_exit_during_initialization( |
19979
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
3350 |
"Cannot dump shared archive when UseCompressedOops or UseCompressedClassPointers is off.", NULL); |
19319
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
3351 |
} |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
3352 |
} else { |
19979
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
3353 |
// UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces. |
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
3354 |
if (!UseCompressedOops || !UseCompressedClassPointers) { |
19319
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
3355 |
no_shared_spaces(); |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
3356 |
} |
0ad35be0733a
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
19159
diff
changeset
|
3357 |
#endif |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13516
diff
changeset
|
3358 |
} |
8681
c691d94813f9
7018056: large pages not always enabled by default
jcoomes
parents:
8476
diff
changeset
|
3359 |
} |
6988
282ba493439c
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
6987
diff
changeset
|
3360 |
|
16670
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
16598
diff
changeset
|
3361 |
#if !INCLUDE_ALL_GCS |
15762
25f878aa5cd8
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
15759
diff
changeset
|
3362 |
static void force_serial_gc() { |
25f878aa5cd8
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
15759
diff
changeset
|
3363 |
FLAG_SET_DEFAULT(UseSerialGC, true); |
25f878aa5cd8
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
15759
diff
changeset
|
3364 |
FLAG_SET_DEFAULT(CMSIncrementalMode, false); // special CMS suboption |
25f878aa5cd8
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
15759
diff
changeset
|
3365 |
UNSUPPORTED_GC_OPTION(UseG1GC); |
25f878aa5cd8
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
15759
diff
changeset
|
3366 |
UNSUPPORTED_GC_OPTION(UseParallelGC); |
25f878aa5cd8
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
15759
diff
changeset
|
3367 |
UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
25f878aa5cd8
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
15759
diff
changeset
|
3368 |
UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
25f878aa5cd8
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
15759
diff
changeset
|
3369 |
UNSUPPORTED_GC_OPTION(UseParNewGC); |
25f878aa5cd8
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
15759
diff
changeset
|
3370 |
} |
16670
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
16598
diff
changeset
|
3371 |
#endif // INCLUDE_ALL_GCS |
15762
25f878aa5cd8
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
15759
diff
changeset
|
3372 |
|
17375
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3373 |
// Sharing support |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3374 |
// Construct the path to the archive |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3375 |
static char* get_shared_archive_path() { |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3376 |
char *shared_archive_path; |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3377 |
if (SharedArchiveFile == NULL) { |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3378 |
char jvm_path[JVM_MAXPATHLEN]; |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3379 |
os::jvm_path(jvm_path, sizeof(jvm_path)); |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3380 |
char *end = strrchr(jvm_path, *os::file_separator()); |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3381 |
if (end != NULL) *end = '\0'; |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3382 |
size_t jvm_path_len = strlen(jvm_path); |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3383 |
size_t file_sep_len = strlen(os::file_separator()); |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3384 |
shared_archive_path = NEW_C_HEAP_ARRAY(char, jvm_path_len + |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3385 |
file_sep_len + 20, mtInternal); |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3386 |
if (shared_archive_path != NULL) { |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3387 |
strncpy(shared_archive_path, jvm_path, jvm_path_len + 1); |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3388 |
strncat(shared_archive_path, os::file_separator(), file_sep_len); |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3389 |
strncat(shared_archive_path, "classes.jsa", 11); |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3390 |
} |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3391 |
} else { |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3392 |
shared_archive_path = NEW_C_HEAP_ARRAY(char, strlen(SharedArchiveFile) + 1, mtInternal); |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3393 |
if (shared_archive_path != NULL) { |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3394 |
strncpy(shared_archive_path, SharedArchiveFile, strlen(SharedArchiveFile) + 1); |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3395 |
} |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3396 |
} |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3397 |
return shared_archive_path; |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3398 |
} |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3399 |
|
20010
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3400 |
#ifndef PRODUCT |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3401 |
// Determine whether LogVMOutput should be implicitly turned on. |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3402 |
static bool use_vm_log() { |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3403 |
if (LogCompilation || !FLAG_IS_DEFAULT(LogFile) || |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3404 |
PrintCompilation || PrintInlining || PrintDependencies || PrintNativeNMethods || |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3405 |
PrintDebugInfo || PrintRelocations || PrintNMethods || PrintExceptionHandlers || |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3406 |
PrintAssembly || TraceDeoptimization || TraceDependencies || |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3407 |
(VerifyDependencies && FLAG_IS_CMDLINE(VerifyDependencies))) { |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3408 |
return true; |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3409 |
} |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3410 |
|
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3411 |
#ifdef COMPILER1 |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3412 |
if (PrintC1Statistics) { |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3413 |
return true; |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3414 |
} |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3415 |
#endif // COMPILER1 |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3416 |
|
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3417 |
#ifdef COMPILER2 |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3418 |
if (PrintOptoAssembly || PrintOptoStatistics) { |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3419 |
return true; |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3420 |
} |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3421 |
#endif // COMPILER2 |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3422 |
|
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3423 |
return false; |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3424 |
} |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3425 |
#endif // PRODUCT |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3426 |
|
1 | 3427 |
// Parse entry point called from JNI_CreateJavaVM |
3428 |
||
3429 |
jint Arguments::parse(const JavaVMInitArgs* args) { |
|
3430 |
||
3431 |
// Remaining part of option string |
|
3432 |
const char* tail; |
|
3433 |
||
3434 |
// If flag "-XX:Flags=flags-file" is used it will be the first option to be processed. |
|
13194
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3435 |
const char* hotspotrc = ".hotspotrc"; |
1 | 3436 |
bool settings_file_specified = false; |
13194
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3437 |
bool needs_hotspotrc_warning = false; |
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3438 |
|
2028 | 3439 |
const char* flags_file; |
1 | 3440 |
int index; |
3441 |
for (index = 0; index < args->nOptions; index++) { |
|
3442 |
const JavaVMOption *option = args->options + index; |
|
3443 |
if (match_option(option, "-XX:Flags=", &tail)) { |
|
2028 | 3444 |
flags_file = tail; |
1 | 3445 |
settings_file_specified = true; |
3446 |
} |
|
3447 |
if (match_option(option, "-XX:+PrintVMOptions", &tail)) { |
|
3448 |
PrintVMOptions = true; |
|
3449 |
} |
|
961
7fb3b13d4205
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
670
diff
changeset
|
3450 |
if (match_option(option, "-XX:-PrintVMOptions", &tail)) { |
7fb3b13d4205
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
670
diff
changeset
|
3451 |
PrintVMOptions = false; |
7fb3b13d4205
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
670
diff
changeset
|
3452 |
} |
2028 | 3453 |
if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
3454 |
IgnoreUnrecognizedVMOptions = true; |
|
3455 |
} |
|
3456 |
if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { |
|
3457 |
IgnoreUnrecognizedVMOptions = false; |
|
3458 |
} |
|
4579 | 3459 |
if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
11441 | 3460 |
CommandLineFlags::printFlags(tty, false); |
4579 | 3461 |
vm_exit(0); |
3462 |
} |
|
13195 | 3463 |
if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
3464 |
#if INCLUDE_NMT |
13195 | 3465 |
MemTracker::init_tracking_options(tail); |
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
3466 |
#else |
15936
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
3467 |
jio_fprintf(defaultStream::error_stream(), |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
3468 |
"Native Memory Tracking is not supported in this VM\n"); |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
3469 |
return JNI_ERR; |
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
3470 |
#endif |
13195 | 3471 |
} |
3472 |
||
6438
ace4f8100e90
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
6415
diff
changeset
|
3473 |
|
ace4f8100e90
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
6415
diff
changeset
|
3474 |
#ifndef PRODUCT |
ace4f8100e90
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
6415
diff
changeset
|
3475 |
if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
11441 | 3476 |
CommandLineFlags::printFlags(tty, true); |
6438
ace4f8100e90
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
6415
diff
changeset
|
3477 |
vm_exit(0); |
ace4f8100e90
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
6415
diff
changeset
|
3478 |
} |
ace4f8100e90
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
6415
diff
changeset
|
3479 |
#endif |
2028 | 3480 |
} |
3481 |
||
3482 |
if (IgnoreUnrecognizedVMOptions) { |
|
3483 |
// uncast const to modify the flag args->ignoreUnrecognized |
|
3484 |
*(jboolean*)(&args->ignoreUnrecognized) = true; |
|
3485 |
} |
|
3486 |
||
3487 |
// Parse specified settings file |
|
3488 |
if (settings_file_specified) { |
|
3489 |
if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { |
|
3490 |
return JNI_EINVAL; |
|
3491 |
} |
|
13194
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3492 |
} else { |
12981
b557c10f5444
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
11448
diff
changeset
|
3493 |
#ifdef ASSERT |
13194
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3494 |
// Parse default .hotspotrc settings file |
1 | 3495 |
if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
3496 |
return JNI_EINVAL; |
|
3497 |
} |
|
13194
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3498 |
#else |
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3499 |
struct stat buf; |
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3500 |
if (os::stat(hotspotrc, &buf) == 0) { |
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3501 |
needs_hotspotrc_warning = true; |
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3502 |
} |
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3503 |
#endif |
1 | 3504 |
} |
3505 |
||
3506 |
if (PrintVMOptions) { |
|
3507 |
for (index = 0; index < args->nOptions; index++) { |
|
3508 |
const JavaVMOption *option = args->options + index; |
|
3509 |
if (match_option(option, "-XX:", &tail)) { |
|
3510 |
logOption(tail); |
|
3511 |
} |
|
3512 |
} |
|
3513 |
} |
|
3514 |
||
3515 |
// Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS |
|
3516 |
jint result = parse_vm_init_args(args); |
|
3517 |
if (result != JNI_OK) { |
|
3518 |
return result; |
|
3519 |
} |
|
3520 |
||
17375
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3521 |
// Call get_shared_archive_path() here, after possible SharedArchiveFile option got parsed. |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3522 |
SharedArchivePath = get_shared_archive_path(); |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3523 |
if (SharedArchivePath == NULL) { |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3524 |
return JNI_ENOMEM; |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3525 |
} |
e9554fd82263
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
17369
diff
changeset
|
3526 |
|
13194
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3527 |
// Delay warning until here so that we've had a chance to process |
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3528 |
// the -XX:-PrintWarnings flag |
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3529 |
if (needs_hotspotrc_warning) { |
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3530 |
warning("%s file is present but has been ignored. " |
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3531 |
"Run with -XX:Flags=%s to load the file.", |
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3532 |
hotspotrc, hotspotrc); |
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3533 |
} |
603ef19adcb8
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
12989
diff
changeset
|
3534 |
|
14285
afa3d693e0f6
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
14284
diff
changeset
|
3535 |
#ifdef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
afa3d693e0f6
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
14284
diff
changeset
|
3536 |
UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
afa3d693e0f6
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
14284
diff
changeset
|
3537 |
#endif |
afa3d693e0f6
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
14284
diff
changeset
|
3538 |
|
15762
25f878aa5cd8
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
15759
diff
changeset
|
3539 |
#if INCLUDE_ALL_GCS |
25f878aa5cd8
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
15759
diff
changeset
|
3540 |
#if (defined JAVASE_EMBEDDED || defined ARM) |
25f878aa5cd8
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
15759
diff
changeset
|
3541 |
UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
25f878aa5cd8
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
15759
diff
changeset
|
3542 |
#endif |
25f878aa5cd8
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
15759
diff
changeset
|
3543 |
#endif |
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
3544 |
|
1 | 3545 |
#ifndef PRODUCT |
3546 |
if (TraceBytecodesAt != 0) { |
|
3547 |
TraceBytecodes = true; |
|
3548 |
} |
|
3549 |
if (CountCompiledCalls) { |
|
3550 |
if (UseCounterDecay) { |
|
3551 |
warning("UseCounterDecay disabled because CountCalls is set"); |
|
3552 |
UseCounterDecay = false; |
|
3553 |
} |
|
3554 |
} |
|
3555 |
#endif // PRODUCT |
|
3556 |
||
8883
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8727
diff
changeset
|
3557 |
// JSR 292 is not supported before 1.7 |
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8727
diff
changeset
|
3558 |
if (!JDK_Version::is_gte_jdk17x_version()) { |
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8727
diff
changeset
|
3559 |
if (EnableInvokeDynamic) { |
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8727
diff
changeset
|
3560 |
if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8727
diff
changeset
|
3561 |
warning("JSR 292 is not supported before 1.7. Disabling support."); |
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8727
diff
changeset
|
3562 |
} |
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8727
diff
changeset
|
3563 |
EnableInvokeDynamic = false; |
2534 | 3564 |
} |
3565 |
} |
|
8883
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8727
diff
changeset
|
3566 |
|
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8727
diff
changeset
|
3567 |
if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3687
diff
changeset
|
3568 |
if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
8883
5569135acca3
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
8727
diff
changeset
|
3569 |
warning("forcing ScavengeRootsInCode non-zero because EnableInvokeDynamic is true"); |
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3687
diff
changeset
|
3570 |
} |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3687
diff
changeset
|
3571 |
ScavengeRootsInCode = 1; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3687
diff
changeset
|
3572 |
} |
2534 | 3573 |
|
1 | 3574 |
if (PrintGCDetails) { |
3575 |
// Turn on -verbose:gc options as well |
|
3576 |
PrintGC = true; |
|
3577 |
} |
|
3578 |
||
12630
ddf6ee008138
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
12498
diff
changeset
|
3579 |
if (!JDK_Version::is_gte_jdk18x_version()) { |
ddf6ee008138
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
12498
diff
changeset
|
3580 |
// To avoid changing the log format for 7 updates this flag is only |
ddf6ee008138
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
12498
diff
changeset
|
3581 |
// true by default in JDK8 and above. |
ddf6ee008138
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
12498
diff
changeset
|
3582 |
if (FLAG_IS_DEFAULT(PrintGCCause)) { |
ddf6ee008138
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
12498
diff
changeset
|
3583 |
FLAG_SET_DEFAULT(PrintGCCause, false); |
ddf6ee008138
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
12498
diff
changeset
|
3584 |
} |
ddf6ee008138
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
12498
diff
changeset
|
3585 |
} |
ddf6ee008138
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
12498
diff
changeset
|
3586 |
|
5694
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
3587 |
// Set object alignment values. |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
3588 |
set_object_alignment(); |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5419
diff
changeset
|
3589 |
|
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
15119
diff
changeset
|
3590 |
#if !INCLUDE_ALL_GCS |
4434 | 3591 |
force_serial_gc(); |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
15119
diff
changeset
|
3592 |
#endif // INCLUDE_ALL_GCS |
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
3593 |
#if !INCLUDE_CDS |
15936
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
3594 |
if (DumpSharedSpaces || RequireSharedSpaces) { |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
3595 |
jio_fprintf(defaultStream::error_stream(), |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
3596 |
"Shared spaces are not supported in this VM\n"); |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
3597 |
return JNI_ERR; |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
3598 |
} |
15940
601d4955fa75
8009835: Only produce a warning when -Xshare:auto is explicitly requested
jprovino
parents:
15936
diff
changeset
|
3599 |
if ((UseSharedSpaces && FLAG_IS_CMDLINE(UseSharedSpaces)) || PrintSharedSpaces) { |
15936
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
3600 |
warning("Shared spaces are not supported in this VM"); |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
3601 |
FLAG_SET_DEFAULT(UseSharedSpaces, false); |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
3602 |
FLAG_SET_DEFAULT(PrintSharedSpaces, false); |
4fda1079e8a3
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
15800
diff
changeset
|
3603 |
} |
1 | 3604 |
no_shared_spaces(); |
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
3605 |
#endif // INCLUDE_CDS |
1 | 3606 |
|
19986
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
3607 |
return JNI_OK; |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
3608 |
} |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
3609 |
|
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
3610 |
jint Arguments::apply_ergo() { |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19979
diff
changeset
|
3611 |
|
1 | 3612 |
// Set flags based on ergonomics. |
3613 |
set_ergonomics_flags(); |
|
3614 |
||
8681
c691d94813f9
7018056: large pages not always enabled by default
jcoomes
parents:
8476
diff
changeset
|
3615 |
set_shared_spaces_flags(); |
4564
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4560
diff
changeset
|
3616 |
|
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
3617 |
// Check the GC selections again. |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
3618 |
if (!check_gc_consistency()) { |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
3619 |
return JNI_EINVAL; |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
3620 |
} |
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
3621 |
|
6453 | 3622 |
if (TieredCompilation) { |
3623 |
set_tiered_flags(); |
|
3624 |
} else { |
|
3625 |
// Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. |
|
3626 |
if (CompilationPolicyChoice >= 2) { |
|
3627 |
vm_exit_during_initialization( |
|
3628 |
"Incompatible compilation policy selected", NULL); |
|
3629 |
} |
|
3630 |
} |
|
3631 |
||
8687
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
3632 |
// Set heap size based on available physical memory |
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
3633 |
set_heap_size(); |
13975
2f7431485cfa
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
13925
diff
changeset
|
3634 |
|
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
15119
diff
changeset
|
3635 |
#if INCLUDE_ALL_GCS |
8687
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
3636 |
// Set per-collector flags |
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
3637 |
if (UseParallelGC || UseParallelOldGC) { |
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
3638 |
set_parallel_gc_flags(); |
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
3639 |
} else if (UseConcMarkSweepGC) { // should be done before ParNew check below |
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
3640 |
set_cms_and_parnew_gc_flags(); |
8687
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
3641 |
} else if (UseParNewGC) { // skipped if CMS is set above |
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
3642 |
set_parnew_gc_flags(); |
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
3643 |
} else if (UseG1GC) { |
264727307495
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
8685
diff
changeset
|
3644 |
set_g1_gc_flags(); |
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
382
diff
changeset
|
3645 |
} |
15092
9228d92ed521
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
15091
diff
changeset
|
3646 |
check_deprecated_gcs(); |
15950 | 3647 |
check_deprecated_gc_flags(); |
16596
905d4419a089
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
16445
diff
changeset
|
3648 |
if (AssumeMP && !UseSerialGC) { |
905d4419a089
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
16445
diff
changeset
|
3649 |
if (FLAG_IS_DEFAULT(ParallelGCThreads) && ParallelGCThreads == 1) { |
905d4419a089
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
16445
diff
changeset
|
3650 |
warning("If the number of processors is expected to increase from one, then" |
905d4419a089
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
16445
diff
changeset
|
3651 |
" you should configure the number of parallel GC threads appropriately" |
905d4419a089
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
16445
diff
changeset
|
3652 |
" using -XX:ParallelGCThreads=N"); |
905d4419a089
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
16445
diff
changeset
|
3653 |
} |
905d4419a089
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
16445
diff
changeset
|
3654 |
} |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
15119
diff
changeset
|
3655 |
#else // INCLUDE_ALL_GCS |
1 | 3656 |
assert(verify_serial_gc_flags(), "SerialGC unset"); |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
15119
diff
changeset
|
3657 |
#endif // INCLUDE_ALL_GCS |
1 | 3658 |
|
3659 |
// Set bytecode rewriting flags |
|
3660 |
set_bytecode_flags(); |
|
3661 |
||
3662 |
// Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. |
|
3663 |
set_aggressive_opts_flags(); |
|
3664 |
||
8309
e5c9c706242b
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
8075
diff
changeset
|
3665 |
// Turn off biased locking for locking debug mode flags, |
e5c9c706242b
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
8075
diff
changeset
|
3666 |
// which are subtlely different from each other but neither works with |
e5c9c706242b
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
8075
diff
changeset
|
3667 |
// biased locking. |
8650 | 3668 |
if (UseHeavyMonitors |
3669 |
#ifdef COMPILER1 |
|
3670 |
|| !UseFastLocking |
|
3671 |
#endif // COMPILER1 |
|
3672 |
) { |
|
8309
e5c9c706242b
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
8075
diff
changeset
|
3673 |
if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
e5c9c706242b
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
8075
diff
changeset
|
3674 |
// flag set to true on command line; warn the user that they |
e5c9c706242b
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
8075
diff
changeset
|
3675 |
// can't enable biased locking here |
e5c9c706242b
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
8075
diff
changeset
|
3676 |
warning("Biased Locking is not supported with locking debug flags" |
e5c9c706242b
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
8075
diff
changeset
|
3677 |
"; ignoring UseBiasedLocking flag." ); |
e5c9c706242b
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
8075
diff
changeset
|
3678 |
} |
e5c9c706242b
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
8075
diff
changeset
|
3679 |
UseBiasedLocking = false; |
e5c9c706242b
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
8075
diff
changeset
|
3680 |
} |
e5c9c706242b
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
8075
diff
changeset
|
3681 |
|
1 | 3682 |
#ifdef CC_INTERP |
4560 | 3683 |
// Clear flags not supported by the C++ interpreter |
3684 |
FLAG_SET_DEFAULT(ProfileInterpreter, false); |
|
1 | 3685 |
FLAG_SET_DEFAULT(UseBiasedLocking, false); |
4560 | 3686 |
LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
19979
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
3687 |
LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedClassPointers, false)); |
4560 | 3688 |
#endif // CC_INTERP |
3689 |
||
1500
bea9a90f3e8f
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
1496
diff
changeset
|
3690 |
#ifdef COMPILER2 |
bea9a90f3e8f
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
1496
diff
changeset
|
3691 |
if (!UseBiasedLocking || EmitSync != 0) { |
bea9a90f3e8f
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
1496
diff
changeset
|
3692 |
UseOptoBiasInlining = false; |
bea9a90f3e8f
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
1496
diff
changeset
|
3693 |
} |
11445 | 3694 |
if (!EliminateLocks) { |
3695 |
EliminateNestedLocks = false; |
|
3696 |
} |
|
15113 | 3697 |
if (!Inline) { |
3698 |
IncrementalInline = false; |
|
3699 |
} |
|
3700 |
#ifndef PRODUCT |
|
3701 |
if (!IncrementalInline) { |
|
3702 |
AlwaysIncrementalInline = false; |
|
3703 |
} |
|
3704 |
#endif |
|
3705 |
if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { |
|
3706 |
// incremental inlining: bump MaxNodeLimit |
|
3707 |
FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); |
|
3708 |
} |
|
1500
bea9a90f3e8f
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
1496
diff
changeset
|
3709 |
#endif |
bea9a90f3e8f
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
1496
diff
changeset
|
3710 |
|
4584
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4579
diff
changeset
|
3711 |
if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4579
diff
changeset
|
3712 |
warning("PrintAssembly is enabled; turning on DebugNonSafepoints to gain additional output"); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4579
diff
changeset
|
3713 |
DebugNonSafepoints = true; |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4579
diff
changeset
|
3714 |
} |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4579
diff
changeset
|
3715 |
|
19979
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
3716 |
if (FLAG_IS_CMDLINE(CompressedClassSpaceSize) && !UseCompressedClassPointers) { |
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
3717 |
warning("Setting CompressedClassSpaceSize has no effect when compressed class pointers are not used"); |
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
3718 |
} |
ebe1dbb6e1aa
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
19732
diff
changeset
|
3719 |
|
4736
e091227926da
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
4590
diff
changeset
|
3720 |
#ifndef PRODUCT |
e091227926da
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
4590
diff
changeset
|
3721 |
if (CompileTheWorld) { |
e091227926da
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
4590
diff
changeset
|
3722 |
// Force NmethodSweeper to sweep whole CodeCache each time. |
e091227926da
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
4590
diff
changeset
|
3723 |
if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
e091227926da
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
4590
diff
changeset
|
3724 |
NmethodSweepFraction = 1; |
e091227926da
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
4590
diff
changeset
|
3725 |
} |
e091227926da
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
4590
diff
changeset
|
3726 |
} |
20010
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3727 |
|
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3728 |
if (!LogVMOutput && FLAG_IS_DEFAULT(LogVMOutput)) { |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3729 |
if (use_vm_log()) { |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3730 |
LogVMOutput = true; |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3731 |
} |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3732 |
} |
c66a7254680c
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
19679
diff
changeset
|
3733 |
#endif // PRODUCT |
4736
e091227926da
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
4590
diff
changeset
|
3734 |
|
1 | 3735 |
if (PrintCommandLineFlags) { |
11441 | 3736 |
CommandLineFlags::printSetFlags(tty); |
1 | 3737 |
} |
3738 |
||
6176
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3739 |
// Apply CPU specific policy for the BiasedLocking |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3740 |
if (UseBiasedLocking) { |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3741 |
if (!VM_Version::use_biased_locking() && |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3742 |
!(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3743 |
UseBiasedLocking = false; |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3744 |
} |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3745 |
} |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
6174
diff
changeset
|
3746 |
|
8476
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8313
diff
changeset
|
3747 |
// set PauseAtExit if the gamma launcher was used and a debugger is attached |
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8313
diff
changeset
|
3748 |
// but only if not already set on the commandline |
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8313
diff
changeset
|
3749 |
if (Arguments::created_by_gamma_launcher() && os::is_debugger_attached()) { |
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8313
diff
changeset
|
3750 |
bool set = false; |
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8313
diff
changeset
|
3751 |
CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8313
diff
changeset
|
3752 |
if (!set) { |
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8313
diff
changeset
|
3753 |
FLAG_SET_DEFAULT(PauseAtExit, true); |
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8313
diff
changeset
|
3754 |
} |
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8313
diff
changeset
|
3755 |
} |
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8313
diff
changeset
|
3756 |
|
1 | 3757 |
return JNI_OK; |
3758 |
} |
|
3759 |
||
14580
3e2316663327
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
14487
diff
changeset
|
3760 |
jint Arguments::adjust_after_os() { |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
15119
diff
changeset
|
3761 |
#if INCLUDE_ALL_GCS |
14580
3e2316663327
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
14487
diff
changeset
|
3762 |
if (UseParallelGC || UseParallelOldGC) { |
3e2316663327
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
14487
diff
changeset
|
3763 |
if (UseNUMA) { |
3e2316663327
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
14487
diff
changeset
|
3764 |
if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
3e2316663327
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
14487
diff
changeset
|
3765 |
FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
3e2316663327
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
14487
diff
changeset
|
3766 |
} |
3e2316663327
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
14487
diff
changeset
|
3767 |
// For those collectors or operating systems (eg, Windows) that do |
3e2316663327
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
14487
diff
changeset
|
3768 |
// not support full UseNUMA, we will map to UseNUMAInterleaving for now |
3e2316663327
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
14487
diff
changeset
|
3769 |
UseNUMAInterleaving = true; |
3e2316663327
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
14487
diff
changeset
|
3770 |
} |
3e2316663327
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
14487
diff
changeset
|
3771 |
} |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
15119
diff
changeset
|
3772 |
#endif // INCLUDE_ALL_GCS |
14580
3e2316663327
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
14487
diff
changeset
|
3773 |
return JNI_OK; |
3e2316663327
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
14487
diff
changeset
|
3774 |
} |
3e2316663327
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
14487
diff
changeset
|
3775 |
|
1 | 3776 |
int Arguments::PropertyList_count(SystemProperty* pl) { |
3777 |
int count = 0; |
|
3778 |
while(pl != NULL) { |
|
3779 |
count++; |
|
3780 |
pl = pl->next(); |
|
3781 |
} |
|
3782 |
return count; |
|
3783 |
} |
|
3784 |
||
3785 |
const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { |
|
3786 |
assert(key != NULL, "just checking"); |
|
3787 |
SystemProperty* prop; |
|
3788 |
for (prop = pl; prop != NULL; prop = prop->next()) { |
|
3789 |
if (strcmp(key, prop->key()) == 0) return prop->value(); |
|
3790 |
} |
|
3791 |
return NULL; |
|
3792 |
} |
|
3793 |
||
3794 |
const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { |
|
3795 |
int count = 0; |
|
3796 |
const char* ret_val = NULL; |
|
3797 |
||
3798 |
while(pl != NULL) { |
|
3799 |
if(count >= index) { |
|
3800 |
ret_val = pl->key(); |
|
3801 |
break; |
|
3802 |
} |
|
3803 |
count++; |
|
3804 |
pl = pl->next(); |
|
3805 |
} |
|
3806 |
||
3807 |
return ret_val; |
|
3808 |
} |
|
3809 |
||
3810 |
char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { |
|
3811 |
int count = 0; |
|
3812 |
char* ret_val = NULL; |
|
3813 |
||
3814 |
while(pl != NULL) { |
|
3815 |
if(count >= index) { |
|
3816 |
ret_val = pl->value(); |
|
3817 |
break; |
|
3818 |
} |
|
3819 |
count++; |
|
3820 |
pl = pl->next(); |
|
3821 |
} |
|
3822 |
||
3823 |
return ret_val; |
|
3824 |
} |
|
3825 |
||
3826 |
void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { |
|
3827 |
SystemProperty* p = *plist; |
|
3828 |
if (p == NULL) { |
|
3829 |
*plist = new_p; |
|
3830 |
} else { |
|
3831 |
while (p->next() != NULL) { |
|
3832 |
p = p->next(); |
|
3833 |
} |
|
3834 |
p->set_next(new_p); |
|
3835 |
} |
|
3836 |
} |
|
3837 |
||
3838 |
void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { |
|
3839 |
if (plist == NULL) |
|
3840 |
return; |
|
3841 |
||
3842 |
SystemProperty* new_p = new SystemProperty(k, v, true); |
|
3843 |
PropertyList_add(plist, new_p); |
|
3844 |
} |
|
3845 |
||
3846 |
// This add maintains unique property key in the list. |
|
2358 | 3847 |
void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
1 | 3848 |
if (plist == NULL) |
3849 |
return; |
|
3850 |
||
3851 |
// If property key exist then update with new value. |
|
3852 |
SystemProperty* prop; |
|
3853 |
for (prop = *plist; prop != NULL; prop = prop->next()) { |
|
3854 |
if (strcmp(k, prop->key()) == 0) { |
|
2358 | 3855 |
if (append) { |
3856 |
prop->append_value(v); |
|
3857 |
} else { |
|
3858 |
prop->set_value(v); |
|
3859 |
} |
|
1 | 3860 |
return; |
3861 |
} |
|
3862 |
} |
|
3863 |
||
3864 |
PropertyList_add(plist, k, v); |
|
3865 |
} |
|
3866 |
||
3867 |
// Copies src into buf, replacing "%%" with "%" and "%p" with pid |
|
3868 |
// Returns true if all of the source pointed by src has been copied over to |
|
3869 |
// the destination buffer pointed by buf. Otherwise, returns false. |
|
3870 |
// Notes: |
|
3871 |
// 1. If the length (buflen) of the destination buffer excluding the |
|
3872 |
// NULL terminator character is not long enough for holding the expanded |
|
3873 |
// pid characters, it also returns false instead of returning the partially |
|
3874 |
// expanded one. |
|
3875 |
// 2. The passed in "buflen" should be large enough to hold the null terminator. |
|
3876 |
bool Arguments::copy_expand_pid(const char* src, size_t srclen, |
|
3877 |
char* buf, size_t buflen) { |
|
3878 |
const char* p = src; |
|
3879 |
char* b = buf; |
|
3880 |
const char* src_end = &src[srclen]; |
|
3881 |
char* buf_end = &buf[buflen - 1]; |
|
3882 |
||
3883 |
while (p < src_end && b < buf_end) { |
|
3884 |
if (*p == '%') { |
|
3885 |
switch (*(++p)) { |
|
3886 |
case '%': // "%%" ==> "%" |
|
3887 |
*b++ = *p++; |
|
3888 |
break; |
|
3889 |
case 'p': { // "%p" ==> current process id |
|
3890 |
// buf_end points to the character before the last character so |
|
3891 |
// that we could write '\0' to the end of the buffer. |
|
3892 |
size_t buf_sz = buf_end - b + 1; |
|
3893 |
int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); |
|
3894 |
||
3895 |
// if jio_snprintf fails or the buffer is not long enough to hold |
|
3896 |
// the expanded pid, returns false. |
|
3897 |
if (ret < 0 || ret >= (int)buf_sz) { |
|
3898 |
return false; |
|
3899 |
} else { |
|
3900 |
b += ret; |
|
3901 |
assert(*b == '\0', "fail in copy_expand_pid"); |
|
3902 |
if (p == src_end && b == buf_end + 1) { |
|
3903 |
// reach the end of the buffer. |
|
3904 |
return true; |
|
3905 |
} |
|
3906 |
} |
|
3907 |
p++; |
|
3908 |
break; |
|
3909 |
} |
|
3910 |
default : |
|
3911 |
*b++ = '%'; |
|
3912 |
} |
|
3913 |
} else { |
|
3914 |
*b++ = *p++; |
|
3915 |
} |
|
3916 |
} |
|
3917 |
*b = '\0'; |
|
3918 |
return (p == src_end); // return false if not all of the source was copied |
|
3919 |
} |