jdk-sandbox: hotspot/src/os/linux/vm/globals_linux.hpp@311143309e73 (annotated)

1 489c9b5090e2 Initial load duke parents: diff changeset	1	/*
31371 311143309e73 8122937: [JEP 245] Validate JVM Command-Line Flag Arguments. gziemski parents: 20400 diff changeset	2	* Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
1 489c9b5090e2 Initial load duke parents: diff changeset	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
489c9b5090e2 Initial load duke parents: diff changeset	4	*
489c9b5090e2 Initial load duke parents: diff changeset	5	* This code is free software; you can redistribute it and/or modify it
489c9b5090e2 Initial load duke parents: diff changeset	6	* under the terms of the GNU General Public License version 2 only, as
489c9b5090e2 Initial load duke parents: diff changeset	7	* published by the Free Software Foundation.
489c9b5090e2 Initial load duke parents: diff changeset	8	*
489c9b5090e2 Initial load duke parents: diff changeset	9	* This code is distributed in the hope that it will be useful, but WITHOUT
489c9b5090e2 Initial load duke parents: diff changeset	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
489c9b5090e2 Initial load duke parents: diff changeset	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
489c9b5090e2 Initial load duke parents: diff changeset	12	* version 2 for more details (a copy is included in the LICENSE file that
489c9b5090e2 Initial load duke parents: diff changeset	13	* accompanied this code).
489c9b5090e2 Initial load duke parents: diff changeset	14	*
489c9b5090e2 Initial load duke parents: diff changeset	15	* You should have received a copy of the GNU General Public License version
489c9b5090e2 Initial load duke parents: diff changeset	16	* 2 along with this work; if not, write to the Free Software Foundation,
489c9b5090e2 Initial load duke parents: diff changeset	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
489c9b5090e2 Initial load duke parents: diff changeset	18	*
5547 f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1623 diff changeset	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1623 diff changeset	20	* or visit www.oracle.com if you need additional information or have any
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1623 diff changeset	21	* questions.
1 489c9b5090e2 Initial load duke parents: diff changeset	22	*
489c9b5090e2 Initial load duke parents: diff changeset	23	*/
489c9b5090e2 Initial load duke parents: diff changeset	24
7397 5b173b4ca846 6989984: Use standard include model for Hospot stefank parents: 6174 diff changeset	25	#ifndef OS_LINUX_VM_GLOBALS_LINUX_HPP
5b173b4ca846 6989984: Use standard include model for Hospot stefank parents: 6174 diff changeset	26	#define OS_LINUX_VM_GLOBALS_LINUX_HPP
5b173b4ca846 6989984: Use standard include model for Hospot stefank parents: 6174 diff changeset	27
1 489c9b5090e2 Initial load duke parents: diff changeset	28	//
489c9b5090e2 Initial load duke parents: diff changeset	29	// Defines Linux specific flags. They are not available on other platforms.
489c9b5090e2 Initial load duke parents: diff changeset	30	//
31371 311143309e73 8122937: [JEP 245] Validate JVM Command-Line Flag Arguments. gziemski parents: 20400 diff changeset	31	#define RUNTIME_OS_FLAGS(develop, develop_pd, product, product_pd, diagnostic, notproduct, range, constraint) \
311143309e73 8122937: [JEP 245] Validate JVM Command-Line Flag Arguments. gziemski parents: 20400 diff changeset	32	\
9335 7bdd2a3ab3d8 7034464: Support transparent large pages on Linux iveresov parents: 7397 diff changeset	33	product(bool, UseOprofile, false, \
7bdd2a3ab3d8 7034464: Support transparent large pages on Linux iveresov parents: 7397 diff changeset	34	"enable support for Oprofile profiler") \
7bdd2a3ab3d8 7034464: Support transparent large pages on Linux iveresov parents: 7397 diff changeset	35	\
31371 311143309e73 8122937: [JEP 245] Validate JVM Command-Line Flag Arguments. gziemski parents: 20400 diff changeset	36	/* NB: The default value of UseLinuxPosixThreadCPUClocks may be */ \
311143309e73 8122937: [JEP 245] Validate JVM Command-Line Flag Arguments. gziemski parents: 20400 diff changeset	37	/* overridden in Arguments::parse_each_vm_init_arg. */ \
9335 7bdd2a3ab3d8 7034464: Support transparent large pages on Linux iveresov parents: 7397 diff changeset	38	product(bool, UseLinuxPosixThreadCPUClocks, true, \
7bdd2a3ab3d8 7034464: Support transparent large pages on Linux iveresov parents: 7397 diff changeset	39	"enable fast Linux Posix clocks where available") \
7bdd2a3ab3d8 7034464: Support transparent large pages on Linux iveresov parents: 7397 diff changeset	40	\
7bdd2a3ab3d8 7034464: Support transparent large pages on Linux iveresov parents: 7397 diff changeset	41	product(bool, UseHugeTLBFS, false, \
7bdd2a3ab3d8 7034464: Support transparent large pages on Linux iveresov parents: 7397 diff changeset	42	"Use MAP_HUGETLB for large pages") \
7bdd2a3ab3d8 7034464: Support transparent large pages on Linux iveresov parents: 7397 diff changeset	43	\
19546 f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear() stefank parents: 15926 diff changeset	44	product(bool, UseTransparentHugePages, false, \
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear() stefank parents: 15926 diff changeset	45	"Use MADV_HUGEPAGE for large pages") \
f6b7c9e96ea3 8007074: SIGSEGV at ParMarkBitMap::verify_clear() stefank parents: 15926 diff changeset	46	\
15926 8e87d545195f 7107135: Stack guard pages are no more protected after loading a shared library with executable stack iklam parents: 9419 diff changeset	47	product(bool, LoadExecStackDllInVMThread, true, \
8e87d545195f 7107135: Stack guard pages are no more protected after loading a shared library with executable stack iklam parents: 9419 diff changeset	48	"Load DLLs with executable-stack attribute in the VM Thread") \
8e87d545195f 7107135: Stack guard pages are no more protected after loading a shared library with executable stack iklam parents: 9419 diff changeset	49	\
9335 7bdd2a3ab3d8 7034464: Support transparent large pages on Linux iveresov parents: 7397 diff changeset	50	product(bool, UseSHM, false, \
7bdd2a3ab3d8 7034464: Support transparent large pages on Linux iveresov parents: 7397 diff changeset	51	"Use SYSV shared memory for large pages")
1 489c9b5090e2 Initial load duke parents: diff changeset	52
489c9b5090e2 Initial load duke parents: diff changeset	53	//
489c9b5090e2 Initial load duke parents: diff changeset	54	// Defines Linux-specific default values. The flags are available on all
489c9b5090e2 Initial load duke parents: diff changeset	55	// platforms, but they may have different default values on other platforms.
489c9b5090e2 Initial load duke parents: diff changeset	56	//
20400 1c658ebcb3c1 8024838: Significant slowdown due to transparent huge pages stefank parents: 19546 diff changeset	57	define_pd_global(bool, UseLargePages, false);
1421 a7ef1a3b2644 6660681: Incrementally reserve pages on win server 2003 for better large page affinity jmasa parents: 1 diff changeset	58	define_pd_global(bool, UseLargePagesIndividualAllocation, false);
1 489c9b5090e2 Initial load duke parents: diff changeset	59	define_pd_global(bool, UseOSErrorReporting, false);
489c9b5090e2 Initial load duke parents: diff changeset	60	define_pd_global(bool, UseThreadPriorities, true) ;
7397 5b173b4ca846 6989984: Use standard include model for Hospot stefank parents: 6174 diff changeset	61
5b173b4ca846 6989984: Use standard include model for Hospot stefank parents: 6174 diff changeset	62	#endif // OS_LINUX_VM_GLOBALS_LINUX_HPP

author	gziemski
	Thu, 18 Jun 2015 14:39:38 -0500
changeset 31371	311143309e73
parent 20400	1c658ebcb3c1
child 35884	ec439aaca107
permissions	-rw-r--r--