Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/shared/gcTrace.cpp @ 11113:2cbc8f3011a0
8015972: Refactor the sending of the object count after GC event
Reviewed-by: brutisso, pliden
| author | ehelin |
|---|---|
| date | Wed, 05 Jun 2013 09:44:03 +0200 |
| parents | f2110083203d |
| children | 63cffb381adc |
| rev | line source |
|---|---|
| 10405 | 1 /* |
| 2 * Copyright (c) 2012, 2013, 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 #include "precompiled.hpp" | |
|
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26 #include "gc_implementation/shared/copyFailedInfo.hpp" |
| 10405 | 27 #include "gc_implementation/shared/gcHeapSummary.hpp" |
| 28 #include "gc_implementation/shared/gcTimer.hpp" | |
| 29 #include "gc_implementation/shared/gcTrace.hpp" | |
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30 #include "gc_implementation/shared/objectCountEventSender.hpp" |
| 10405 | 31 #include "memory/heapInspection.hpp" |
| 32 #include "memory/referenceProcessorStats.hpp" | |
| 33 #include "utilities/globalDefinitions.hpp" | |
| 34 | |
| 35 #if INCLUDE_ALL_GCS | |
| 36 #include "gc_implementation/g1/evacuationInfo.hpp" | |
| 37 #endif | |
| 38 | |
| 39 #define assert_unset_gc_id() assert(_shared_gc_info.id() == SharedGCInfo::UNSET_GCID, "GC already started?") | |
| 40 #define assert_set_gc_id() assert(_shared_gc_info.id() != SharedGCInfo::UNSET_GCID, "GC not started?") | |
| 41 | |
| 42 static jlong GCTracer_next_gc_id = 0; | |
| 43 static GCId create_new_gc_id() { | |
| 44 return GCTracer_next_gc_id++; | |
| 45 } | |
| 46 | |
| 47 void GCTracer::report_gc_start_impl(GCCause::Cause cause, jlong timestamp) { | |
| 48 assert_unset_gc_id(); | |
| 49 | |
| 50 GCId gc_id = create_new_gc_id(); | |
| 51 _shared_gc_info.set_id(gc_id); | |
| 52 _shared_gc_info.set_cause(cause); | |
| 53 _shared_gc_info.set_start_timestamp(timestamp); | |
| 54 } | |
| 55 | |
| 56 void GCTracer::report_gc_start(GCCause::Cause cause, jlong timestamp) { | |
| 57 assert_unset_gc_id(); | |
| 58 | |
| 59 report_gc_start_impl(cause, timestamp); | |
| 60 } | |
| 61 | |
| 62 bool GCTracer::has_reported_gc_start() const { | |
| 63 return _shared_gc_info.id() != SharedGCInfo::UNSET_GCID; | |
| 64 } | |
| 65 | |
| 66 void GCTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { | |
| 67 assert_set_gc_id(); | |
| 68 | |
| 69 _shared_gc_info.set_sum_of_pauses(time_partitions->sum_of_pauses()); | |
| 70 _shared_gc_info.set_longest_pause(time_partitions->longest_pause()); | |
| 71 _shared_gc_info.set_end_timestamp(timestamp); | |
| 72 | |
| 73 send_phase_events(time_partitions); | |
| 74 send_garbage_collection_event(); | |
| 75 } | |
| 76 | |
| 77 void GCTracer::report_gc_end(jlong timestamp, TimePartitions* time_partitions) { | |
| 78 assert_set_gc_id(); | |
| 79 | |
| 80 report_gc_end_impl(timestamp, time_partitions); | |
| 81 | |
| 82 _shared_gc_info.set_id(SharedGCInfo::UNSET_GCID); | |
| 83 } | |
| 84 | |
| 85 void GCTracer::report_gc_reference_stats(const ReferenceProcessorStats& rps) const { | |
| 86 assert_set_gc_id(); | |
| 87 | |
| 88 send_reference_stats_event(REF_SOFT, rps.soft_count()); | |
| 89 send_reference_stats_event(REF_WEAK, rps.weak_count()); | |
| 90 send_reference_stats_event(REF_FINAL, rps.final_count()); | |
| 91 send_reference_stats_event(REF_PHANTOM, rps.phantom_count()); | |
| 92 } | |
| 93 | |
| 94 #if INCLUDE_SERVICES | |
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95 class ObjectCountEventSenderClosure : public KlassInfoClosure { |
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96 const GCId _gc_id; |
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97 const double _size_threshold_percentage; |
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98 const size_t _total_size_in_words; |
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99 |
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100 public: |
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101 ObjectCountEventSenderClosure(GCId gc_id, size_t total_size_in_words) : |
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102 _gc_id(gc_id), |
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103 _size_threshold_percentage(ObjectCountCutOffPercent / 100), |
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104 _total_size_in_words(total_size_in_words) |
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105 {} |
| 10405 | 106 |
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107 virtual void do_cinfo(KlassInfoEntry* entry) { |
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108 if (should_send_event(entry)) { |
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109 ObjectCountEventSender::send(entry, _gc_id); |
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110 } |
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111 } |
| 10405 | 112 |
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113 private: |
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114 bool should_send_event(const KlassInfoEntry* entry) const { |
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115 double percentage_of_heap = ((double) entry->words()) / _total_size_in_words; |
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116 return percentage_of_heap >= _size_threshold_percentage; |
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117 } |
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118 }; |
| 10405 | 119 |
| 120 void GCTracer::report_object_count_after_gc(BoolObjectClosure* is_alive_cl) { | |
| 121 assert_set_gc_id(); | |
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122 assert(is_alive_cl != NULL, "Must supply function to check liveness"); |
| 10405 | 123 |
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124 if (ObjectCountEventSender::should_send_event()) { |
| 10405 | 125 ResourceMark rm; |
| 126 | |
| 127 KlassInfoTable cit(false); | |
| 128 if (!cit.allocation_failed()) { | |
| 129 HeapInspection hi(false, false, false, NULL); | |
| 130 hi.populate_table(&cit, is_alive_cl); | |
| 131 | |
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132 ObjectCountEventSenderClosure event_sender(_shared_gc_info.id(), cit.size_of_instances_in_words()); |
| 10405 | 133 cit.iterate(&event_sender); |
| 134 } | |
| 135 } | |
| 136 } | |
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137 #endif // INCLUDE_SERVICES |
| 10405 | 138 |
| 139 void GCTracer::report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary, const MetaspaceSummary& meta_space_summary) const { | |
| 140 assert_set_gc_id(); | |
| 141 | |
| 142 send_gc_heap_summary_event(when, heap_summary); | |
| 143 send_meta_space_summary_event(when, meta_space_summary); | |
| 144 } | |
| 145 | |
| 146 void YoungGCTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { | |
| 147 assert_set_gc_id(); | |
| 148 assert(_tenuring_threshold != UNSET_TENURING_THRESHOLD, "Tenuring threshold has not been reported"); | |
| 149 | |
| 150 GCTracer::report_gc_end_impl(timestamp, time_partitions); | |
| 151 send_young_gc_event(); | |
| 152 | |
| 153 _tenuring_threshold = UNSET_TENURING_THRESHOLD; | |
| 154 } | |
| 155 | |
| 156 void YoungGCTracer::report_promotion_failed(const PromotionFailedInfo& pf_info) { | |
| 157 assert_set_gc_id(); | |
| 158 | |
| 159 send_promotion_failed_event(pf_info); | |
| 160 } | |
| 161 | |
| 162 void YoungGCTracer::report_tenuring_threshold(const uint tenuring_threshold) { | |
| 163 _tenuring_threshold = tenuring_threshold; | |
| 164 } | |
| 165 | |
| 166 void OldGCTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { | |
| 167 assert_set_gc_id(); | |
| 168 | |
| 169 GCTracer::report_gc_end_impl(timestamp, time_partitions); | |
| 170 send_old_gc_event(); | |
| 171 } | |
| 172 | |
| 173 void ParallelOldTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { | |
| 174 assert_set_gc_id(); | |
| 175 | |
| 176 OldGCTracer::report_gc_end_impl(timestamp, time_partitions); | |
| 177 send_parallel_old_event(); | |
| 178 } | |
| 179 | |
| 180 void ParallelOldTracer::report_dense_prefix(void* dense_prefix) { | |
| 181 assert_set_gc_id(); | |
| 182 | |
| 183 _parallel_old_gc_info.report_dense_prefix(dense_prefix); | |
| 184 } | |
| 185 | |
| 186 void OldGCTracer::report_concurrent_mode_failure() { | |
| 187 assert_set_gc_id(); | |
| 188 | |
| 189 send_concurrent_mode_failure_event(); | |
| 190 } | |
| 191 | |
| 192 #if INCLUDE_ALL_GCS | |
| 193 void G1NewTracer::report_yc_type(G1YCType type) { | |
| 194 assert_set_gc_id(); | |
| 195 | |
| 196 _g1_young_gc_info.set_type(type); | |
| 197 } | |
| 198 | |
| 199 void G1NewTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { | |
| 200 assert_set_gc_id(); | |
| 201 | |
| 202 YoungGCTracer::report_gc_end_impl(timestamp, time_partitions); | |
| 203 send_g1_young_gc_event(); | |
| 204 } | |
| 205 | |
| 206 void G1NewTracer::report_evacuation_info(EvacuationInfo* info) { | |
| 207 assert_set_gc_id(); | |
| 208 | |
| 209 send_evacuation_info_event(info); | |
| 210 } | |
| 211 | |
| 212 void G1NewTracer::report_evacuation_failed(EvacuationFailedInfo& ef_info) { | |
| 213 assert_set_gc_id(); | |
| 214 | |
| 215 send_evacuation_failed_event(ef_info); | |
| 216 ef_info.reset(); | |
| 217 } | |
| 218 #endif |