annotate src/share/vm/gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.cpp @ 1972:f95d63e2154a

6989984: Use standard include model for Hospot Summary: Replaced MakeDeps and the includeDB files with more standardized solutions. Reviewed-by: coleenp, kvn, kamg
author stefank
date Tue, 23 Nov 2010 13:22:55 -0800
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1 /*
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2 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "gc_implementation/concurrentMarkSweep/cmsAdaptiveSizePolicy.hpp"
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27 #include "gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.hpp"
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28 #include "gc_implementation/concurrentMarkSweep/cmsGCAdaptivePolicyCounters.hpp"
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29 #include "gc_implementation/parNew/parNewGeneration.hpp"
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30 #include "gc_implementation/shared/gcPolicyCounters.hpp"
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31 #include "gc_implementation/shared/vmGCOperations.hpp"
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32 #include "memory/cardTableRS.hpp"
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33 #include "memory/collectorPolicy.hpp"
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34 #include "memory/gcLocker.inline.hpp"
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35 #include "memory/genCollectedHeap.hpp"
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36 #include "memory/generationSpec.hpp"
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37 #include "memory/space.hpp"
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38 #include "memory/universe.hpp"
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39 #include "runtime/arguments.hpp"
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40 #include "runtime/globals_extension.hpp"
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41 #include "runtime/handles.inline.hpp"
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42 #include "runtime/java.hpp"
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43 #include "runtime/vmThread.hpp"
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44 #ifdef TARGET_OS_FAMILY_linux
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45 # include "thread_linux.inline.hpp"
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46 #endif
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47 #ifdef TARGET_OS_FAMILY_solaris
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48 # include "thread_solaris.inline.hpp"
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49 #endif
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50 #ifdef TARGET_OS_FAMILY_windows
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51 # include "thread_windows.inline.hpp"
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52 #endif
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53
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54 //
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55 // ConcurrentMarkSweepPolicy methods
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56 //
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57
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58 ConcurrentMarkSweepPolicy::ConcurrentMarkSweepPolicy() {
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59 initialize_all();
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60 }
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61
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62 void ConcurrentMarkSweepPolicy::initialize_generations() {
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63 initialize_perm_generation(PermGen::ConcurrentMarkSweep);
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64 _generations = new GenerationSpecPtr[number_of_generations()];
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65 if (_generations == NULL)
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66 vm_exit_during_initialization("Unable to allocate gen spec");
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67
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68 if (ParNewGeneration::in_use()) {
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69 if (UseAdaptiveSizePolicy) {
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70 _generations[0] = new GenerationSpec(Generation::ASParNew,
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71 _initial_gen0_size, _max_gen0_size);
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72 } else {
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73 _generations[0] = new GenerationSpec(Generation::ParNew,
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74 _initial_gen0_size, _max_gen0_size);
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75 }
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76 } else {
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77 _generations[0] = new GenerationSpec(Generation::DefNew,
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78 _initial_gen0_size, _max_gen0_size);
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79 }
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80 if (UseAdaptiveSizePolicy) {
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81 _generations[1] = new GenerationSpec(Generation::ASConcurrentMarkSweep,
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82 _initial_gen1_size, _max_gen1_size);
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83 } else {
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84 _generations[1] = new GenerationSpec(Generation::ConcurrentMarkSweep,
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85 _initial_gen1_size, _max_gen1_size);
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86 }
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87
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88 if (_generations[0] == NULL || _generations[1] == NULL) {
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89 vm_exit_during_initialization("Unable to allocate gen spec");
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90 }
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91 }
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92
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93 void ConcurrentMarkSweepPolicy::initialize_size_policy(size_t init_eden_size,
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94 size_t init_promo_size,
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95 size_t init_survivor_size) {
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96 double max_gc_minor_pause_sec = ((double) MaxGCMinorPauseMillis)/1000.0;
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97 double max_gc_pause_sec = ((double) MaxGCPauseMillis)/1000.0;
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98 _size_policy = new CMSAdaptiveSizePolicy(init_eden_size,
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99 init_promo_size,
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100 init_survivor_size,
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101 max_gc_minor_pause_sec,
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102 max_gc_pause_sec,
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103 GCTimeRatio);
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104 }
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105
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106 void ConcurrentMarkSweepPolicy::initialize_gc_policy_counters() {
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107 // initialize the policy counters - 2 collectors, 3 generations
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108 if (ParNewGeneration::in_use()) {
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109 _gc_policy_counters = new GCPolicyCounters("ParNew:CMS", 2, 3);
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110 }
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111 else {
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112 _gc_policy_counters = new GCPolicyCounters("Copy:CMS", 2, 3);
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113 }
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114 }
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115
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116 // Returns true if the incremental mode is enabled.
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117 bool ConcurrentMarkSweepPolicy::has_soft_ended_eden()
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118 {
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119 return CMSIncrementalMode;
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120 }
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121
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122
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123 //
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124 // ASConcurrentMarkSweepPolicy methods
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125 //
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126
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127 void ASConcurrentMarkSweepPolicy::initialize_gc_policy_counters() {
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128
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129 assert(size_policy() != NULL, "A size policy is required");
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130 // initialize the policy counters - 2 collectors, 3 generations
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131 if (ParNewGeneration::in_use()) {
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132 _gc_policy_counters = new CMSGCAdaptivePolicyCounters("ParNew:CMS", 2, 3,
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133 size_policy());
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134 }
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135 else {
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136 _gc_policy_counters = new CMSGCAdaptivePolicyCounters("Copy:CMS", 2, 3,
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137 size_policy());
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138 }
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139 }