Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/gc_implementation/shared/gcTraceSend.cpp
src/share/vm/gc_implementation/shared/gcTraceSend.cpp
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| 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" | |
| 26 #include "gc_implementation/shared/gcHeapSummary.hpp" | |
| 27 #include "gc_implementation/shared/gcTimer.hpp" | |
| 28 #include "gc_implementation/shared/gcTrace.hpp" | |
| 29 #include "gc_implementation/shared/gcWhen.hpp" | |
| 30 #include "gc_implementation/shared/copyFailedInfo.hpp" | |
| 31 #include "runtime/os.hpp" | |
| 32 #include "trace/tracing.hpp" | |
| 33 #include "trace/traceBackend.hpp" | |
| 34 #if INCLUDE_ALL_GCS | |
| 35 #include "gc_implementation/g1/evacuationInfo.hpp" | |
| 36 #include "gc_implementation/g1/g1YCTypes.hpp" | |
| 37 #endif | |
| 38 | |
| 39 // All GC dependencies against the trace framework is contained within this file. | |
| 40 | |
| 41 typedef uintptr_t TraceAddress; | |
| 42 | |
| 43 void GCTracer::send_garbage_collection_event() const { | |
| 44 EventGCGarbageCollection event(UNTIMED); | |
| 45 if (event.should_commit()) { | |
| 46 event.set_gcId(_shared_gc_info.id()); | |
| 47 event.set_name(_shared_gc_info.name()); | |
| 48 event.set_cause((u2) _shared_gc_info.cause()); | |
| 49 event.set_sumOfPauses(_shared_gc_info.sum_of_pauses()); | |
| 50 event.set_longestPause(_shared_gc_info.longest_pause()); | |
| 51 event.set_starttime(_shared_gc_info.start_timestamp()); | |
| 52 event.set_endtime(_shared_gc_info.end_timestamp()); | |
| 53 event.commit(); | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 void GCTracer::send_reference_stats_event(ReferenceType type, size_t count) const { | |
| 58 EventGCReferenceStatistics e; | |
| 59 if (e.should_commit()) { | |
| 60 e.set_gcId(_shared_gc_info.id()); | |
| 61 e.set_type((u1)type); | |
| 62 e.set_count(count); | |
| 63 e.commit(); | |
| 64 } | |
| 65 } | |
| 66 | |
| 67 void GCTracer::send_metaspace_chunk_free_list_summary(GCWhen::Type when, Metaspace::MetadataType mdtype, | |
| 68 const MetaspaceChunkFreeListSummary& summary) const { | |
| 69 EventMetaspaceChunkFreeListSummary e; | |
| 70 if (e.should_commit()) { | |
| 71 e.set_gcId(_shared_gc_info.id()); | |
| 72 e.set_when(when); | |
| 73 e.set_metadataType(mdtype); | |
| 74 | |
| 75 e.set_specializedChunks(summary.num_specialized_chunks()); | |
| 76 e.set_specializedChunksTotalSize(summary.specialized_chunks_size_in_bytes()); | |
| 77 | |
| 78 e.set_smallChunks(summary.num_small_chunks()); | |
| 79 e.set_smallChunksTotalSize(summary.small_chunks_size_in_bytes()); | |
| 80 | |
| 81 e.set_mediumChunks(summary.num_medium_chunks()); | |
| 82 e.set_mediumChunksTotalSize(summary.medium_chunks_size_in_bytes()); | |
| 83 | |
| 84 e.set_humongousChunks(summary.num_humongous_chunks()); | |
| 85 e.set_humongousChunksTotalSize(summary.humongous_chunks_size_in_bytes()); | |
| 86 | |
| 87 e.commit(); | |
| 88 } | |
| 89 } | |
| 90 | |
| 91 void ParallelOldTracer::send_parallel_old_event() const { | |
| 92 EventGCParallelOld e(UNTIMED); | |
| 93 if (e.should_commit()) { | |
| 94 e.set_gcId(_shared_gc_info.id()); | |
| 95 e.set_densePrefix((TraceAddress)_parallel_old_gc_info.dense_prefix()); | |
| 96 e.set_starttime(_shared_gc_info.start_timestamp()); | |
| 97 e.set_endtime(_shared_gc_info.end_timestamp()); | |
| 98 e.commit(); | |
| 99 } | |
| 100 } | |
| 101 | |
| 102 void YoungGCTracer::send_young_gc_event() const { | |
| 103 EventGCYoungGarbageCollection e(UNTIMED); | |
| 104 if (e.should_commit()) { | |
| 105 e.set_gcId(_shared_gc_info.id()); | |
| 106 e.set_tenuringThreshold(_tenuring_threshold); | |
| 107 e.set_starttime(_shared_gc_info.start_timestamp()); | |
| 108 e.set_endtime(_shared_gc_info.end_timestamp()); | |
| 109 e.commit(); | |
| 110 } | |
| 111 } | |
| 112 | |
| 113 void OldGCTracer::send_old_gc_event() const { | |
| 114 EventGCOldGarbageCollection e(UNTIMED); | |
| 115 if (e.should_commit()) { | |
| 116 e.set_gcId(_shared_gc_info.id()); | |
| 117 e.set_starttime(_shared_gc_info.start_timestamp()); | |
| 118 e.set_endtime(_shared_gc_info.end_timestamp()); | |
| 119 e.commit(); | |
| 120 } | |
| 121 } | |
| 122 | |
| 123 static TraceStructCopyFailed to_trace_struct(const CopyFailedInfo& cf_info) { | |
| 124 TraceStructCopyFailed failed_info; | |
| 125 failed_info.set_objectCount(cf_info.failed_count()); | |
| 126 failed_info.set_firstSize(cf_info.first_size()); | |
| 127 failed_info.set_smallestSize(cf_info.smallest_size()); | |
| 128 failed_info.set_totalSize(cf_info.total_size()); | |
| 129 return failed_info; | |
| 130 } | |
| 131 | |
| 132 void YoungGCTracer::send_promotion_failed_event(const PromotionFailedInfo& pf_info) const { | |
| 133 EventPromotionFailed e; | |
| 134 if (e.should_commit()) { | |
| 135 e.set_gcId(_shared_gc_info.id()); | |
| 136 e.set_data(to_trace_struct(pf_info)); | |
| 137 e.set_thread(pf_info.thread()->thread_id()); | |
| 138 e.commit(); | |
| 139 } | |
| 140 } | |
| 141 | |
| 142 // Common to CMS and G1 | |
| 143 void OldGCTracer::send_concurrent_mode_failure_event() { | |
| 144 EventConcurrentModeFailure e; | |
| 145 if (e.should_commit()) { | |
| 146 e.set_gcId(_shared_gc_info.id()); | |
| 147 e.commit(); | |
| 148 } | |
| 149 } | |
| 150 | |
| 151 #if INCLUDE_ALL_GCS | |
| 152 void G1NewTracer::send_g1_young_gc_event() { | |
| 153 EventGCG1GarbageCollection e(UNTIMED); | |
| 154 if (e.should_commit()) { | |
| 155 e.set_gcId(_shared_gc_info.id()); | |
| 156 e.set_type(_g1_young_gc_info.type()); | |
| 157 e.set_starttime(_shared_gc_info.start_timestamp()); | |
| 158 e.set_endtime(_shared_gc_info.end_timestamp()); | |
| 159 e.commit(); | |
| 160 } | |
| 161 } | |
| 162 | |
| 163 void G1NewTracer::send_evacuation_info_event(EvacuationInfo* info) { | |
| 164 EventEvacuationInfo e; | |
| 165 if (e.should_commit()) { | |
| 166 e.set_gcId(_shared_gc_info.id()); | |
| 167 e.set_cSetRegions(info->collectionset_regions()); | |
| 168 e.set_cSetUsedBefore(info->collectionset_used_before()); | |
| 169 e.set_cSetUsedAfter(info->collectionset_used_after()); | |
| 170 e.set_allocationRegions(info->allocation_regions()); | |
| 171 e.set_allocRegionsUsedBefore(info->alloc_regions_used_before()); | |
| 172 e.set_allocRegionsUsedAfter(info->alloc_regions_used_before() + info->bytes_copied()); | |
| 173 e.set_bytesCopied(info->bytes_copied()); | |
| 174 e.set_regionsFreed(info->regions_freed()); | |
| 175 e.commit(); | |
| 176 } | |
| 177 } | |
| 178 | |
| 179 void G1NewTracer::send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const { | |
| 180 EventEvacuationFailed e; | |
| 181 if (e.should_commit()) { | |
| 182 e.set_gcId(_shared_gc_info.id()); | |
| 183 e.set_data(to_trace_struct(ef_info)); | |
| 184 e.commit(); | |
| 185 } | |
| 186 } | |
| 187 #endif | |
| 188 | |
| 189 static TraceStructVirtualSpace to_trace_struct(const VirtualSpaceSummary& summary) { | |
| 190 TraceStructVirtualSpace space; | |
| 191 space.set_start((TraceAddress)summary.start()); | |
| 192 space.set_committedEnd((TraceAddress)summary.committed_end()); | |
| 193 space.set_committedSize(summary.committed_size()); | |
| 194 space.set_reservedEnd((TraceAddress)summary.reserved_end()); | |
| 195 space.set_reservedSize(summary.reserved_size()); | |
| 196 return space; | |
| 197 } | |
| 198 | |
| 199 static TraceStructObjectSpace to_trace_struct(const SpaceSummary& summary) { | |
| 200 TraceStructObjectSpace space; | |
| 201 space.set_start((TraceAddress)summary.start()); | |
| 202 space.set_end((TraceAddress)summary.end()); | |
| 203 space.set_used(summary.used()); | |
| 204 space.set_size(summary.size()); | |
| 205 return space; | |
| 206 } | |
| 207 | |
| 208 class GCHeapSummaryEventSender : public GCHeapSummaryVisitor { | |
| 209 GCId _id; | |
| 210 GCWhen::Type _when; | |
| 211 public: | |
| 212 GCHeapSummaryEventSender(GCId id, GCWhen::Type when) : _id(id), _when(when) {} | |
| 213 | |
| 214 void visit(const GCHeapSummary* heap_summary) const { | |
| 215 const VirtualSpaceSummary& heap_space = heap_summary->heap(); | |
| 216 | |
| 217 EventGCHeapSummary e; | |
| 218 if (e.should_commit()) { | |
| 219 e.set_gcId(_id); | |
| 220 e.set_when((u1)_when); | |
| 221 e.set_heapSpace(to_trace_struct(heap_space)); | |
| 222 e.set_heapUsed(heap_summary->used()); | |
| 223 e.commit(); | |
| 224 } | |
| 225 } | |
| 226 | |
| 227 void visit(const PSHeapSummary* ps_heap_summary) const { | |
| 228 visit((GCHeapSummary*)ps_heap_summary); | |
| 229 | |
| 230 const VirtualSpaceSummary& old_summary = ps_heap_summary->old(); | |
| 231 const SpaceSummary& old_space = ps_heap_summary->old_space(); | |
| 232 const VirtualSpaceSummary& young_summary = ps_heap_summary->young(); | |
| 233 const SpaceSummary& eden_space = ps_heap_summary->eden(); | |
| 234 const SpaceSummary& from_space = ps_heap_summary->from(); | |
| 235 const SpaceSummary& to_space = ps_heap_summary->to(); | |
| 236 | |
| 237 EventPSHeapSummary e; | |
| 238 if (e.should_commit()) { | |
| 239 e.set_gcId(_id); | |
| 240 e.set_when((u1)_when); | |
| 241 | |
| 242 e.set_oldSpace(to_trace_struct(ps_heap_summary->old())); | |
| 243 e.set_oldObjectSpace(to_trace_struct(ps_heap_summary->old_space())); | |
| 244 e.set_youngSpace(to_trace_struct(ps_heap_summary->young())); | |
| 245 e.set_edenSpace(to_trace_struct(ps_heap_summary->eden())); | |
| 246 e.set_fromSpace(to_trace_struct(ps_heap_summary->from())); | |
| 247 e.set_toSpace(to_trace_struct(ps_heap_summary->to())); | |
| 248 e.commit(); | |
| 249 } | |
| 250 } | |
| 251 }; | |
| 252 | |
| 253 void GCTracer::send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const { | |
| 254 GCHeapSummaryEventSender visitor(_shared_gc_info.id(), when); | |
| 255 heap_summary.accept(&visitor); | |
| 256 } | |
| 257 | |
| 258 static TraceStructMetaspaceSizes to_trace_struct(const MetaspaceSizes& sizes) { | |
| 259 TraceStructMetaspaceSizes meta_sizes; | |
| 260 | |
| 261 meta_sizes.set_committed(sizes.committed()); | |
| 262 meta_sizes.set_used(sizes.used()); | |
| 263 meta_sizes.set_reserved(sizes.reserved()); | |
| 264 | |
| 265 return meta_sizes; | |
| 266 } | |
| 267 | |
| 268 void GCTracer::send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const { | |
| 269 EventMetaspaceSummary e; | |
| 270 if (e.should_commit()) { | |
| 271 e.set_gcId(_shared_gc_info.id()); | |
| 272 e.set_when((u1) when); | |
| 273 e.set_gcThreshold(meta_space_summary.capacity_until_GC()); | |
| 274 e.set_metaspace(to_trace_struct(meta_space_summary.meta_space())); | |
| 275 e.set_dataSpace(to_trace_struct(meta_space_summary.data_space())); | |
| 276 e.set_classSpace(to_trace_struct(meta_space_summary.class_space())); | |
| 277 e.commit(); | |
| 278 } | |
| 279 } | |
| 280 | |
| 281 class PhaseSender : public PhaseVisitor { | |
| 282 GCId _gc_id; | |
| 283 public: | |
| 284 PhaseSender(GCId gc_id) : _gc_id(gc_id) {} | |
| 285 | |
| 286 template<typename T> | |
| 287 void send_phase(PausePhase* pause) { | |
| 288 T event(UNTIMED); | |
| 289 if (event.should_commit()) { | |
| 290 event.set_gcId(_gc_id); | |
| 291 event.set_name(pause->name()); | |
| 292 event.set_starttime(pause->start()); | |
| 293 event.set_endtime(pause->end()); | |
| 294 event.commit(); | |
| 295 } | |
| 296 } | |
| 297 | |
| 298 void visit(GCPhase* pause) { ShouldNotReachHere(); } | |
| 299 void visit(ConcurrentPhase* pause) { Unimplemented(); } | |
| 300 void visit(PausePhase* pause) { | |
| 301 assert(PhasesStack::PHASE_LEVELS == 5, "Need more event types"); | |
| 302 | |
| 303 switch (pause->level()) { | |
| 304 case 0: send_phase<EventGCPhasePause>(pause); break; | |
| 305 case 1: send_phase<EventGCPhasePauseLevel1>(pause); break; | |
| 306 case 2: send_phase<EventGCPhasePauseLevel2>(pause); break; | |
| 307 case 3: send_phase<EventGCPhasePauseLevel3>(pause); break; | |
| 308 default: /* Ignore sending this phase */ break; | |
| 309 } | |
| 310 } | |
| 311 }; | |
| 312 | |
| 313 void GCTracer::send_phase_events(TimePartitions* time_partitions) const { | |
| 314 PhaseSender phase_reporter(_shared_gc_info.id()); | |
| 315 | |
| 316 TimePartitionPhasesIterator iter(time_partitions); | |
| 317 while (iter.has_next()) { | |
| 318 GCPhase* phase = iter.next(); | |
| 319 phase->accept(&phase_reporter); | |
| 320 } | |
| 321 } |
