Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.cpp @ 6862:8a5ea0a9ccc4
7127708: G1: change task num types from int to uint in concurrent mark
Summary: Change the type of various task num fields, parameters etc to unsigned and rename them to be more consistent with the other collectors. Code changes were also reviewed by Vitaly Davidovich.
Reviewed-by: johnc
Contributed-by: Kaushik Srenevasan <kaushik@twitter.com>
| author | johnc |
|---|---|
| date | Sat, 06 Oct 2012 01:17:44 -0700 |
| parents | da91efe96a93 |
| children | f34d701e952e |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
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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. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "gc_implementation/concurrentMarkSweep/cmsAdaptiveSizePolicy.hpp" | |
| 27 #include "gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.hpp" | |
| 28 #include "gc_implementation/concurrentMarkSweep/cmsGCAdaptivePolicyCounters.hpp" | |
| 29 #include "gc_implementation/parNew/parNewGeneration.hpp" | |
| 30 #include "gc_implementation/shared/gcPolicyCounters.hpp" | |
| 31 #include "gc_implementation/shared/vmGCOperations.hpp" | |
| 32 #include "memory/cardTableRS.hpp" | |
| 33 #include "memory/collectorPolicy.hpp" | |
| 34 #include "memory/gcLocker.inline.hpp" | |
| 35 #include "memory/genCollectedHeap.hpp" | |
| 36 #include "memory/generationSpec.hpp" | |
| 37 #include "memory/space.hpp" | |
| 38 #include "memory/universe.hpp" | |
| 39 #include "runtime/arguments.hpp" | |
| 40 #include "runtime/globals_extension.hpp" | |
| 41 #include "runtime/handles.inline.hpp" | |
| 42 #include "runtime/java.hpp" | |
| 43 #include "runtime/vmThread.hpp" | |
| 44 #ifdef TARGET_OS_FAMILY_linux | |
| 45 # include "thread_linux.inline.hpp" | |
| 46 #endif | |
| 47 #ifdef TARGET_OS_FAMILY_solaris | |
| 48 # include "thread_solaris.inline.hpp" | |
| 49 #endif | |
| 50 #ifdef TARGET_OS_FAMILY_windows | |
| 51 # include "thread_windows.inline.hpp" | |
| 52 #endif | |
| 3960 | 53 #ifdef TARGET_OS_FAMILY_bsd |
| 54 # include "thread_bsd.inline.hpp" | |
| 55 #endif | |
| 0 | 56 |
| 57 // | |
| 58 // ConcurrentMarkSweepPolicy methods | |
| 59 // | |
| 60 | |
| 61 ConcurrentMarkSweepPolicy::ConcurrentMarkSweepPolicy() { | |
| 62 initialize_all(); | |
| 63 } | |
| 64 | |
| 65 void ConcurrentMarkSweepPolicy::initialize_generations() { | |
| 66 _generations = new GenerationSpecPtr[number_of_generations()]; | |
| 67 if (_generations == NULL) | |
| 68 vm_exit_during_initialization("Unable to allocate gen spec"); | |
| 69 | |
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70 if (ParNewGeneration::in_use()) { |
| 0 | 71 if (UseAdaptiveSizePolicy) { |
| 72 _generations[0] = new GenerationSpec(Generation::ASParNew, | |
| 73 _initial_gen0_size, _max_gen0_size); | |
| 74 } else { | |
| 75 _generations[0] = new GenerationSpec(Generation::ParNew, | |
| 76 _initial_gen0_size, _max_gen0_size); | |
| 77 } | |
| 78 } else { | |
| 79 _generations[0] = new GenerationSpec(Generation::DefNew, | |
| 80 _initial_gen0_size, _max_gen0_size); | |
| 81 } | |
| 82 if (UseAdaptiveSizePolicy) { | |
| 83 _generations[1] = new GenerationSpec(Generation::ASConcurrentMarkSweep, | |
| 84 _initial_gen1_size, _max_gen1_size); | |
| 85 } else { | |
| 86 _generations[1] = new GenerationSpec(Generation::ConcurrentMarkSweep, | |
| 87 _initial_gen1_size, _max_gen1_size); | |
| 88 } | |
| 89 | |
| 90 if (_generations[0] == NULL || _generations[1] == NULL) { | |
| 91 vm_exit_during_initialization("Unable to allocate gen spec"); | |
| 92 } | |
| 93 } | |
| 94 | |
| 95 void ConcurrentMarkSweepPolicy::initialize_size_policy(size_t init_eden_size, | |
| 96 size_t init_promo_size, | |
| 97 size_t init_survivor_size) { | |
| 98 double max_gc_minor_pause_sec = ((double) MaxGCMinorPauseMillis)/1000.0; | |
| 99 double max_gc_pause_sec = ((double) MaxGCPauseMillis)/1000.0; | |
| 100 _size_policy = new CMSAdaptiveSizePolicy(init_eden_size, | |
| 101 init_promo_size, | |
| 102 init_survivor_size, | |
| 103 max_gc_minor_pause_sec, | |
| 104 max_gc_pause_sec, | |
| 105 GCTimeRatio); | |
| 106 } | |
| 107 | |
| 108 void ConcurrentMarkSweepPolicy::initialize_gc_policy_counters() { | |
| 109 // initialize the policy counters - 2 collectors, 3 generations | |
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110 if (ParNewGeneration::in_use()) { |
| 0 | 111 _gc_policy_counters = new GCPolicyCounters("ParNew:CMS", 2, 3); |
| 112 } | |
| 113 else { | |
| 114 _gc_policy_counters = new GCPolicyCounters("Copy:CMS", 2, 3); | |
| 115 } | |
| 116 } | |
| 117 | |
| 118 // Returns true if the incremental mode is enabled. | |
| 119 bool ConcurrentMarkSweepPolicy::has_soft_ended_eden() | |
| 120 { | |
| 121 return CMSIncrementalMode; | |
| 122 } | |
| 123 | |
| 124 | |
| 125 // | |
| 126 // ASConcurrentMarkSweepPolicy methods | |
| 127 // | |
| 128 | |
| 129 void ASConcurrentMarkSweepPolicy::initialize_gc_policy_counters() { | |
| 130 | |
| 131 assert(size_policy() != NULL, "A size policy is required"); | |
| 132 // initialize the policy counters - 2 collectors, 3 generations | |
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parents:
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changeset
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133 if (ParNewGeneration::in_use()) { |
| 0 | 134 _gc_policy_counters = new CMSGCAdaptivePolicyCounters("ParNew:CMS", 2, 3, |
| 135 size_policy()); | |
| 136 } | |
| 137 else { | |
| 138 _gc_policy_counters = new CMSGCAdaptivePolicyCounters("Copy:CMS", 2, 3, | |
| 139 size_policy()); | |
| 140 } | |
| 141 } |