1 /*
   2  * Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 //
  26 // Defines Linux specific flags. They are not available on other platforms.
  27 //
  28 #define RUNTIME_OS_FLAGS(develop, develop_pd, product, product_pd, diagnostic, notproduct) \
  29   product(bool, UseOprofile, false,                                 \
  30         "enable support for Oprofile profiler")                     \
  31                                                                     \
  32   product(bool, UseLinuxPosixThreadCPUClocks, true,                 \
  33           "enable fast Linux Posix clocks where available")
  34 // NB: The default value of UseLinuxPosixThreadCPUClocks may be
  35 // overridden in Arguments::parse_each_vm_init_arg.
  36 
  37 //
  38 // Defines Linux-specific default values. The flags are available on all
  39 // platforms, but they may have different default values on other platforms.
  40 //
  41 define_pd_global(bool, UseLargePages, false);
  42 define_pd_global(bool, UseLargePagesIndividualAllocation, false);
  43 define_pd_global(bool, UseOSErrorReporting, false);
  44 define_pd_global(bool, UseThreadPriorities, true) ;