mirror of
https://github.com/openjdk/jdk.git
synced 2025-08-27 06:45:07 +02:00
82 lines
4.2 KiB
C++
82 lines
4.2 KiB
C++
/*
|
|
* Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*
|
|
*/
|
|
|
|
#ifndef OS_LINUX_VM_GLOBALS_LINUX_HPP
|
|
#define OS_LINUX_VM_GLOBALS_LINUX_HPP
|
|
|
|
//
|
|
// Defines Linux specific flags. They are not available on other platforms.
|
|
//
|
|
#define RUNTIME_OS_FLAGS(develop, \
|
|
develop_pd, \
|
|
product, \
|
|
product_pd, \
|
|
diagnostic, \
|
|
diagnostic_pd, \
|
|
notproduct, \
|
|
range, \
|
|
constraint, \
|
|
writeable) \
|
|
\
|
|
product(bool, UseOprofile, false, \
|
|
"enable support for Oprofile profiler") \
|
|
\
|
|
/* NB: The default value of UseLinuxPosixThreadCPUClocks may be */ \
|
|
/* overridden in Arguments::parse_each_vm_init_arg. */ \
|
|
product(bool, UseLinuxPosixThreadCPUClocks, true, \
|
|
"enable fast Linux Posix clocks where available") \
|
|
\
|
|
product(bool, UseHugeTLBFS, false, \
|
|
"Use MAP_HUGETLB for large pages") \
|
|
\
|
|
product(bool, UseTransparentHugePages, false, \
|
|
"Use MADV_HUGEPAGE for large pages") \
|
|
\
|
|
product(bool, LoadExecStackDllInVMThread, true, \
|
|
"Load DLLs with executable-stack attribute in the VM Thread") \
|
|
\
|
|
product(bool, UseSHM, false, \
|
|
"Use SYSV shared memory for large pages") \
|
|
\
|
|
product(bool, UseContainerSupport, true, \
|
|
"Enable detection and runtime container configuration support") \
|
|
\
|
|
product(bool, PreferContainerQuotaForCPUCount, true, \
|
|
"Calculate the container CPU availability based on the value" \
|
|
" of quotas (if set), when true. Otherwise, use the CPU" \
|
|
" shares value, provided it is less than quota.") \
|
|
\
|
|
diagnostic(bool, UseCpuAllocPath, false, \
|
|
"Use CPU_ALLOC code path in os::active_processor_count ")
|
|
|
|
//
|
|
// Defines Linux-specific default values. The flags are available on all
|
|
// platforms, but they may have different default values on other platforms.
|
|
//
|
|
define_pd_global(bool, UseLargePages, false);
|
|
define_pd_global(bool, UseLargePagesIndividualAllocation, false);
|
|
define_pd_global(bool, UseOSErrorReporting, false);
|
|
define_pd_global(bool, UseThreadPriorities, true) ;
|
|
|
|
#endif // OS_LINUX_VM_GLOBALS_LINUX_HPP
|