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annotate src/share/vm/gc_implementation/parallelScavenge/psTasks.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 |
| parents | 9d7a8ab3736b |
| children | b099aaf51bf8 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1665 | 2 * Copyright (c) 2002, 2010, 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 "classfile/systemDictionary.hpp" | |
| 27 #include "code/codeCache.hpp" | |
| 28 #include "gc_implementation/parallelScavenge/cardTableExtension.hpp" | |
| 29 #include "gc_implementation/parallelScavenge/gcTaskManager.hpp" | |
| 30 #include "gc_implementation/parallelScavenge/psMarkSweep.hpp" | |
| 31 #include "gc_implementation/parallelScavenge/psPromotionManager.hpp" | |
| 32 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp" | |
| 33 #include "gc_implementation/parallelScavenge/psScavenge.hpp" | |
| 34 #include "gc_implementation/parallelScavenge/psTasks.hpp" | |
| 35 #include "memory/iterator.hpp" | |
| 36 #include "memory/universe.hpp" | |
| 37 #include "oops/oop.inline.hpp" | |
| 38 #include "oops/oop.psgc.inline.hpp" | |
| 39 #include "runtime/fprofiler.hpp" | |
| 40 #include "runtime/thread.hpp" | |
| 41 #include "runtime/vmThread.hpp" | |
| 42 #include "services/management.hpp" | |
| 43 #include "utilities/taskqueue.hpp" | |
| 0 | 44 |
| 45 // | |
| 46 // ScavengeRootsTask | |
| 47 // | |
| 48 | |
| 49 // Define before use | |
| 50 class PSScavengeRootsClosure: public OopClosure { | |
| 51 private: | |
| 52 PSPromotionManager* _promotion_manager; | |
| 53 | |
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54 protected: |
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55 template <class T> void do_oop_work(T *p) { |
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56 if (PSScavenge::should_scavenge(p)) { |
| 0 | 57 // We never card mark roots, maybe call a func without test? |
| 58 PSScavenge::copy_and_push_safe_barrier(_promotion_manager, p); | |
| 59 } | |
| 60 } | |
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61 public: |
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62 PSScavengeRootsClosure(PSPromotionManager* pm) : _promotion_manager(pm) { } |
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63 void do_oop(oop* p) { PSScavengeRootsClosure::do_oop_work(p); } |
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64 void do_oop(narrowOop* p) { PSScavengeRootsClosure::do_oop_work(p); } |
| 0 | 65 }; |
| 66 | |
| 67 void ScavengeRootsTask::do_it(GCTaskManager* manager, uint which) { | |
| 68 assert(Universe::heap()->is_gc_active(), "called outside gc"); | |
| 69 | |
| 70 PSPromotionManager* pm = PSPromotionManager::gc_thread_promotion_manager(which); | |
| 71 PSScavengeRootsClosure roots_closure(pm); | |
| 72 | |
| 73 switch (_root_type) { | |
| 74 case universe: | |
| 75 Universe::oops_do(&roots_closure); | |
| 76 ReferenceProcessor::oops_do(&roots_closure); | |
| 77 break; | |
| 78 | |
| 79 case jni_handles: | |
| 80 JNIHandles::oops_do(&roots_closure); | |
| 81 break; | |
| 82 | |
| 83 case threads: | |
| 84 { | |
| 85 ResourceMark rm; | |
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86 Threads::oops_do(&roots_closure, NULL); |
| 0 | 87 } |
| 88 break; | |
| 89 | |
| 90 case object_synchronizer: | |
| 91 ObjectSynchronizer::oops_do(&roots_closure); | |
| 92 break; | |
| 93 | |
| 94 case flat_profiler: | |
| 95 FlatProfiler::oops_do(&roots_closure); | |
| 96 break; | |
| 97 | |
| 98 case system_dictionary: | |
| 99 SystemDictionary::oops_do(&roots_closure); | |
| 100 break; | |
| 101 | |
| 102 case management: | |
| 103 Management::oops_do(&roots_closure); | |
| 104 break; | |
| 105 | |
| 106 case jvmti: | |
| 107 JvmtiExport::oops_do(&roots_closure); | |
| 108 break; | |
| 109 | |
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110 |
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111 case code_cache: |
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112 { |
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113 CodeBlobToOopClosure each_scavengable_code_blob(&roots_closure, /*do_marking=*/ true); |
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114 CodeCache::scavenge_root_nmethods_do(&each_scavengable_code_blob); |
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115 } |
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116 break; |
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117 |
| 0 | 118 default: |
| 119 fatal("Unknown root type"); | |
| 120 } | |
| 121 | |
| 122 // Do the real work | |
| 123 pm->drain_stacks(false); | |
| 124 } | |
| 125 | |
| 126 // | |
| 127 // ThreadRootsTask | |
| 128 // | |
| 129 | |
| 130 void ThreadRootsTask::do_it(GCTaskManager* manager, uint which) { | |
| 131 assert(Universe::heap()->is_gc_active(), "called outside gc"); | |
| 132 | |
| 133 PSPromotionManager* pm = PSPromotionManager::gc_thread_promotion_manager(which); | |
| 134 PSScavengeRootsClosure roots_closure(pm); | |
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135 CodeBlobToOopClosure roots_in_blobs(&roots_closure, /*do_marking=*/ true); |
| 0 | 136 |
| 137 if (_java_thread != NULL) | |
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138 _java_thread->oops_do(&roots_closure, &roots_in_blobs); |
| 0 | 139 |
| 140 if (_vm_thread != NULL) | |
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141 _vm_thread->oops_do(&roots_closure, &roots_in_blobs); |
| 0 | 142 |
| 143 // Do the real work | |
| 144 pm->drain_stacks(false); | |
| 145 } | |
| 146 | |
| 147 // | |
| 148 // StealTask | |
| 149 // | |
| 150 | |
| 151 StealTask::StealTask(ParallelTaskTerminator* t) : | |
| 152 _terminator(t) {} | |
| 153 | |
| 154 void StealTask::do_it(GCTaskManager* manager, uint which) { | |
| 155 assert(Universe::heap()->is_gc_active(), "called outside gc"); | |
| 156 | |
| 157 PSPromotionManager* pm = | |
| 158 PSPromotionManager::gc_thread_promotion_manager(which); | |
| 159 pm->drain_stacks(true); | |
| 160 guarantee(pm->stacks_empty(), | |
| 161 "stacks should be empty at this point"); | |
| 162 | |
| 163 int random_seed = 17; | |
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164 while(true) { |
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165 StarTask p; |
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166 if (PSPromotionManager::steal_depth(which, &random_seed, p)) { |
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167 TASKQUEUE_STATS_ONLY(pm->record_steal(p)); |
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168 pm->process_popped_location_depth(p); |
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169 pm->drain_stacks_depth(true); |
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170 } else { |
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171 if (terminator()->offer_termination()) { |
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172 break; |
| 0 | 173 } |
| 174 } | |
| 175 } | |
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176 guarantee(pm->stacks_empty(), "stacks should be empty at this point"); |
| 0 | 177 } |
| 178 | |
| 179 // | |
| 180 // SerialOldToYoungRootsTask | |
| 181 // | |
| 182 | |
| 183 void SerialOldToYoungRootsTask::do_it(GCTaskManager* manager, uint which) { | |
| 184 assert(_gen != NULL, "Sanity"); | |
| 185 assert(_gen->object_space()->contains(_gen_top) || _gen_top == _gen->object_space()->top(), "Sanity"); | |
| 186 | |
| 187 { | |
| 188 PSPromotionManager* pm = PSPromotionManager::gc_thread_promotion_manager(which); | |
| 189 | |
| 190 assert(Universe::heap()->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity"); | |
| 191 CardTableExtension* card_table = (CardTableExtension *)Universe::heap()->barrier_set(); | |
| 192 // FIX ME! Assert that card_table is the type we believe it to be. | |
| 193 | |
| 194 card_table->scavenge_contents(_gen->start_array(), | |
| 195 _gen->object_space(), | |
| 196 _gen_top, | |
| 197 pm); | |
| 198 | |
| 199 // Do the real work | |
| 200 pm->drain_stacks(false); | |
| 201 } | |
| 202 } | |
| 203 | |
| 204 // | |
| 205 // OldToYoungRootsTask | |
| 206 // | |
| 207 | |
| 208 void OldToYoungRootsTask::do_it(GCTaskManager* manager, uint which) { | |
| 209 assert(_gen != NULL, "Sanity"); | |
| 210 assert(_gen->object_space()->contains(_gen_top) || _gen_top == _gen->object_space()->top(), "Sanity"); | |
| 211 assert(_stripe_number < ParallelGCThreads, "Sanity"); | |
| 212 | |
| 213 { | |
| 214 PSPromotionManager* pm = PSPromotionManager::gc_thread_promotion_manager(which); | |
| 215 | |
| 216 assert(Universe::heap()->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity"); | |
| 217 CardTableExtension* card_table = (CardTableExtension *)Universe::heap()->barrier_set(); | |
| 218 // FIX ME! Assert that card_table is the type we believe it to be. | |
| 219 | |
| 220 card_table->scavenge_contents_parallel(_gen->start_array(), | |
| 221 _gen->object_space(), | |
| 222 _gen_top, | |
| 223 pm, | |
| 224 _stripe_number); | |
| 225 | |
| 226 // Do the real work | |
| 227 pm->drain_stacks(false); | |
| 228 } | |
| 229 } |