1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/os/linux/vm/globals_linux.hpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,61 @@
1.4 +/*
1.5 + * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef OS_LINUX_VM_GLOBALS_LINUX_HPP
1.29 +#define OS_LINUX_VM_GLOBALS_LINUX_HPP
1.30 +
1.31 +//
1.32 +// Defines Linux specific flags. They are not available on other platforms.
1.33 +//
1.34 +#define RUNTIME_OS_FLAGS(develop, develop_pd, product, product_pd, diagnostic, notproduct) \
1.35 + product(bool, UseOprofile, false, \
1.36 + "enable support for Oprofile profiler") \
1.37 + \
1.38 + product(bool, UseLinuxPosixThreadCPUClocks, true, \
1.39 + "enable fast Linux Posix clocks where available") \
1.40 +/* NB: The default value of UseLinuxPosixThreadCPUClocks may be \
1.41 + overridden in Arguments::parse_each_vm_init_arg. */ \
1.42 + \
1.43 + product(bool, UseHugeTLBFS, false, \
1.44 + "Use MAP_HUGETLB for large pages") \
1.45 + \
1.46 + product(bool, UseTransparentHugePages, false, \
1.47 + "Use MADV_HUGEPAGE for large pages") \
1.48 + \
1.49 + product(bool, LoadExecStackDllInVMThread, true, \
1.50 + "Load DLLs with executable-stack attribute in the VM Thread") \
1.51 + \
1.52 + product(bool, UseSHM, false, \
1.53 + "Use SYSV shared memory for large pages")
1.54 +
1.55 +//
1.56 +// Defines Linux-specific default values. The flags are available on all
1.57 +// platforms, but they may have different default values on other platforms.
1.58 +//
1.59 +define_pd_global(bool, UseLargePages, false);
1.60 +define_pd_global(bool, UseLargePagesIndividualAllocation, false);
1.61 +define_pd_global(bool, UseOSErrorReporting, false);
1.62 +define_pd_global(bool, UseThreadPriorities, true) ;
1.63 +
1.64 +#endif // OS_LINUX_VM_GLOBALS_LINUX_HPP
