1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/gc_implementation/shared/gcTraceSend.cpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,321 @@
1.4 +/*
1.5 + * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#include "precompiled.hpp"
1.29 +#include "gc_implementation/shared/gcHeapSummary.hpp"
1.30 +#include "gc_implementation/shared/gcTimer.hpp"
1.31 +#include "gc_implementation/shared/gcTrace.hpp"
1.32 +#include "gc_implementation/shared/gcWhen.hpp"
1.33 +#include "gc_implementation/shared/copyFailedInfo.hpp"
1.34 +#include "runtime/os.hpp"
1.35 +#include "trace/tracing.hpp"
1.36 +#include "trace/traceBackend.hpp"
1.37 +#if INCLUDE_ALL_GCS
1.38 +#include "gc_implementation/g1/evacuationInfo.hpp"
1.39 +#include "gc_implementation/g1/g1YCTypes.hpp"
1.40 +#endif
1.41 +
1.42 +// All GC dependencies against the trace framework is contained within this file.
1.43 +
1.44 +typedef uintptr_t TraceAddress;
1.45 +
1.46 +void GCTracer::send_garbage_collection_event() const {
1.47 + EventGCGarbageCollection event(UNTIMED);
1.48 + if (event.should_commit()) {
1.49 + event.set_gcId(_shared_gc_info.id());
1.50 + event.set_name(_shared_gc_info.name());
1.51 + event.set_cause((u2) _shared_gc_info.cause());
1.52 + event.set_sumOfPauses(_shared_gc_info.sum_of_pauses());
1.53 + event.set_longestPause(_shared_gc_info.longest_pause());
1.54 + event.set_starttime(_shared_gc_info.start_timestamp());
1.55 + event.set_endtime(_shared_gc_info.end_timestamp());
1.56 + event.commit();
1.57 + }
1.58 +}
1.59 +
1.60 +void GCTracer::send_reference_stats_event(ReferenceType type, size_t count) const {
1.61 + EventGCReferenceStatistics e;
1.62 + if (e.should_commit()) {
1.63 + e.set_gcId(_shared_gc_info.id());
1.64 + e.set_type((u1)type);
1.65 + e.set_count(count);
1.66 + e.commit();
1.67 + }
1.68 +}
1.69 +
1.70 +void GCTracer::send_metaspace_chunk_free_list_summary(GCWhen::Type when, Metaspace::MetadataType mdtype,
1.71 + const MetaspaceChunkFreeListSummary& summary) const {
1.72 + EventMetaspaceChunkFreeListSummary e;
1.73 + if (e.should_commit()) {
1.74 + e.set_gcId(_shared_gc_info.id());
1.75 + e.set_when(when);
1.76 + e.set_metadataType(mdtype);
1.77 +
1.78 + e.set_specializedChunks(summary.num_specialized_chunks());
1.79 + e.set_specializedChunksTotalSize(summary.specialized_chunks_size_in_bytes());
1.80 +
1.81 + e.set_smallChunks(summary.num_small_chunks());
1.82 + e.set_smallChunksTotalSize(summary.small_chunks_size_in_bytes());
1.83 +
1.84 + e.set_mediumChunks(summary.num_medium_chunks());
1.85 + e.set_mediumChunksTotalSize(summary.medium_chunks_size_in_bytes());
1.86 +
1.87 + e.set_humongousChunks(summary.num_humongous_chunks());
1.88 + e.set_humongousChunksTotalSize(summary.humongous_chunks_size_in_bytes());
1.89 +
1.90 + e.commit();
1.91 + }
1.92 +}
1.93 +
1.94 +void ParallelOldTracer::send_parallel_old_event() const {
1.95 + EventGCParallelOld e(UNTIMED);
1.96 + if (e.should_commit()) {
1.97 + e.set_gcId(_shared_gc_info.id());
1.98 + e.set_densePrefix((TraceAddress)_parallel_old_gc_info.dense_prefix());
1.99 + e.set_starttime(_shared_gc_info.start_timestamp());
1.100 + e.set_endtime(_shared_gc_info.end_timestamp());
1.101 + e.commit();
1.102 + }
1.103 +}
1.104 +
1.105 +void YoungGCTracer::send_young_gc_event() const {
1.106 + EventGCYoungGarbageCollection e(UNTIMED);
1.107 + if (e.should_commit()) {
1.108 + e.set_gcId(_shared_gc_info.id());
1.109 + e.set_tenuringThreshold(_tenuring_threshold);
1.110 + e.set_starttime(_shared_gc_info.start_timestamp());
1.111 + e.set_endtime(_shared_gc_info.end_timestamp());
1.112 + e.commit();
1.113 + }
1.114 +}
1.115 +
1.116 +void OldGCTracer::send_old_gc_event() const {
1.117 + EventGCOldGarbageCollection e(UNTIMED);
1.118 + if (e.should_commit()) {
1.119 + e.set_gcId(_shared_gc_info.id());
1.120 + e.set_starttime(_shared_gc_info.start_timestamp());
1.121 + e.set_endtime(_shared_gc_info.end_timestamp());
1.122 + e.commit();
1.123 + }
1.124 +}
1.125 +
1.126 +static TraceStructCopyFailed to_trace_struct(const CopyFailedInfo& cf_info) {
1.127 + TraceStructCopyFailed failed_info;
1.128 + failed_info.set_objectCount(cf_info.failed_count());
1.129 + failed_info.set_firstSize(cf_info.first_size());
1.130 + failed_info.set_smallestSize(cf_info.smallest_size());
1.131 + failed_info.set_totalSize(cf_info.total_size());
1.132 + return failed_info;
1.133 +}
1.134 +
1.135 +void YoungGCTracer::send_promotion_failed_event(const PromotionFailedInfo& pf_info) const {
1.136 + EventPromotionFailed e;
1.137 + if (e.should_commit()) {
1.138 + e.set_gcId(_shared_gc_info.id());
1.139 + e.set_data(to_trace_struct(pf_info));
1.140 + e.set_thread(pf_info.thread()->thread_id());
1.141 + e.commit();
1.142 + }
1.143 +}
1.144 +
1.145 +// Common to CMS and G1
1.146 +void OldGCTracer::send_concurrent_mode_failure_event() {
1.147 + EventConcurrentModeFailure e;
1.148 + if (e.should_commit()) {
1.149 + e.set_gcId(_shared_gc_info.id());
1.150 + e.commit();
1.151 + }
1.152 +}
1.153 +
1.154 +#if INCLUDE_ALL_GCS
1.155 +void G1NewTracer::send_g1_young_gc_event() {
1.156 + EventGCG1GarbageCollection e(UNTIMED);
1.157 + if (e.should_commit()) {
1.158 + e.set_gcId(_shared_gc_info.id());
1.159 + e.set_type(_g1_young_gc_info.type());
1.160 + e.set_starttime(_shared_gc_info.start_timestamp());
1.161 + e.set_endtime(_shared_gc_info.end_timestamp());
1.162 + e.commit();
1.163 + }
1.164 +}
1.165 +
1.166 +void G1NewTracer::send_evacuation_info_event(EvacuationInfo* info) {
1.167 + EventEvacuationInfo e;
1.168 + if (e.should_commit()) {
1.169 + e.set_gcId(_shared_gc_info.id());
1.170 + e.set_cSetRegions(info->collectionset_regions());
1.171 + e.set_cSetUsedBefore(info->collectionset_used_before());
1.172 + e.set_cSetUsedAfter(info->collectionset_used_after());
1.173 + e.set_allocationRegions(info->allocation_regions());
1.174 + e.set_allocRegionsUsedBefore(info->alloc_regions_used_before());
1.175 + e.set_allocRegionsUsedAfter(info->alloc_regions_used_before() + info->bytes_copied());
1.176 + e.set_bytesCopied(info->bytes_copied());
1.177 + e.set_regionsFreed(info->regions_freed());
1.178 + e.commit();
1.179 + }
1.180 +}
1.181 +
1.182 +void G1NewTracer::send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const {
1.183 + EventEvacuationFailed e;
1.184 + if (e.should_commit()) {
1.185 + e.set_gcId(_shared_gc_info.id());
1.186 + e.set_data(to_trace_struct(ef_info));
1.187 + e.commit();
1.188 + }
1.189 +}
1.190 +#endif
1.191 +
1.192 +static TraceStructVirtualSpace to_trace_struct(const VirtualSpaceSummary& summary) {
1.193 + TraceStructVirtualSpace space;
1.194 + space.set_start((TraceAddress)summary.start());
1.195 + space.set_committedEnd((TraceAddress)summary.committed_end());
1.196 + space.set_committedSize(summary.committed_size());
1.197 + space.set_reservedEnd((TraceAddress)summary.reserved_end());
1.198 + space.set_reservedSize(summary.reserved_size());
1.199 + return space;
1.200 +}
1.201 +
1.202 +static TraceStructObjectSpace to_trace_struct(const SpaceSummary& summary) {
1.203 + TraceStructObjectSpace space;
1.204 + space.set_start((TraceAddress)summary.start());
1.205 + space.set_end((TraceAddress)summary.end());
1.206 + space.set_used(summary.used());
1.207 + space.set_size(summary.size());
1.208 + return space;
1.209 +}
1.210 +
1.211 +class GCHeapSummaryEventSender : public GCHeapSummaryVisitor {
1.212 + GCId _id;
1.213 + GCWhen::Type _when;
1.214 + public:
1.215 + GCHeapSummaryEventSender(GCId id, GCWhen::Type when) : _id(id), _when(when) {}
1.216 +
1.217 + void visit(const GCHeapSummary* heap_summary) const {
1.218 + const VirtualSpaceSummary& heap_space = heap_summary->heap();
1.219 +
1.220 + EventGCHeapSummary e;
1.221 + if (e.should_commit()) {
1.222 + e.set_gcId(_id);
1.223 + e.set_when((u1)_when);
1.224 + e.set_heapSpace(to_trace_struct(heap_space));
1.225 + e.set_heapUsed(heap_summary->used());
1.226 + e.commit();
1.227 + }
1.228 + }
1.229 +
1.230 + void visit(const PSHeapSummary* ps_heap_summary) const {
1.231 + visit((GCHeapSummary*)ps_heap_summary);
1.232 +
1.233 + const VirtualSpaceSummary& old_summary = ps_heap_summary->old();
1.234 + const SpaceSummary& old_space = ps_heap_summary->old_space();
1.235 + const VirtualSpaceSummary& young_summary = ps_heap_summary->young();
1.236 + const SpaceSummary& eden_space = ps_heap_summary->eden();
1.237 + const SpaceSummary& from_space = ps_heap_summary->from();
1.238 + const SpaceSummary& to_space = ps_heap_summary->to();
1.239 +
1.240 + EventPSHeapSummary e;
1.241 + if (e.should_commit()) {
1.242 + e.set_gcId(_id);
1.243 + e.set_when((u1)_when);
1.244 +
1.245 + e.set_oldSpace(to_trace_struct(ps_heap_summary->old()));
1.246 + e.set_oldObjectSpace(to_trace_struct(ps_heap_summary->old_space()));
1.247 + e.set_youngSpace(to_trace_struct(ps_heap_summary->young()));
1.248 + e.set_edenSpace(to_trace_struct(ps_heap_summary->eden()));
1.249 + e.set_fromSpace(to_trace_struct(ps_heap_summary->from()));
1.250 + e.set_toSpace(to_trace_struct(ps_heap_summary->to()));
1.251 + e.commit();
1.252 + }
1.253 + }
1.254 +};
1.255 +
1.256 +void GCTracer::send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const {
1.257 + GCHeapSummaryEventSender visitor(_shared_gc_info.id(), when);
1.258 + heap_summary.accept(&visitor);
1.259 +}
1.260 +
1.261 +static TraceStructMetaspaceSizes to_trace_struct(const MetaspaceSizes& sizes) {
1.262 + TraceStructMetaspaceSizes meta_sizes;
1.263 +
1.264 + meta_sizes.set_committed(sizes.committed());
1.265 + meta_sizes.set_used(sizes.used());
1.266 + meta_sizes.set_reserved(sizes.reserved());
1.267 +
1.268 + return meta_sizes;
1.269 +}
1.270 +
1.271 +void GCTracer::send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const {
1.272 + EventMetaspaceSummary e;
1.273 + if (e.should_commit()) {
1.274 + e.set_gcId(_shared_gc_info.id());
1.275 + e.set_when((u1) when);
1.276 + e.set_gcThreshold(meta_space_summary.capacity_until_GC());
1.277 + e.set_metaspace(to_trace_struct(meta_space_summary.meta_space()));
1.278 + e.set_dataSpace(to_trace_struct(meta_space_summary.data_space()));
1.279 + e.set_classSpace(to_trace_struct(meta_space_summary.class_space()));
1.280 + e.commit();
1.281 + }
1.282 +}
1.283 +
1.284 +class PhaseSender : public PhaseVisitor {
1.285 + GCId _gc_id;
1.286 + public:
1.287 + PhaseSender(GCId gc_id) : _gc_id(gc_id) {}
1.288 +
1.289 + template<typename T>
1.290 + void send_phase(PausePhase* pause) {
1.291 + T event(UNTIMED);
1.292 + if (event.should_commit()) {
1.293 + event.set_gcId(_gc_id);
1.294 + event.set_name(pause->name());
1.295 + event.set_starttime(pause->start());
1.296 + event.set_endtime(pause->end());
1.297 + event.commit();
1.298 + }
1.299 + }
1.300 +
1.301 + void visit(GCPhase* pause) { ShouldNotReachHere(); }
1.302 + void visit(ConcurrentPhase* pause) { Unimplemented(); }
1.303 + void visit(PausePhase* pause) {
1.304 + assert(PhasesStack::PHASE_LEVELS == 5, "Need more event types");
1.305 +
1.306 + switch (pause->level()) {
1.307 + case 0: send_phase<EventGCPhasePause>(pause); break;
1.308 + case 1: send_phase<EventGCPhasePauseLevel1>(pause); break;
1.309 + case 2: send_phase<EventGCPhasePauseLevel2>(pause); break;
1.310 + case 3: send_phase<EventGCPhasePauseLevel3>(pause); break;
1.311 + default: /* Ignore sending this phase */ break;
1.312 + }
1.313 + }
1.314 +};
1.315 +
1.316 +void GCTracer::send_phase_events(TimePartitions* time_partitions) const {
1.317 + PhaseSender phase_reporter(_shared_gc_info.id());
1.318 +
1.319 + TimePartitionPhasesIterator iter(time_partitions);
1.320 + while (iter.has_next()) {
1.321 + GCPhase* phase = iter.next();
1.322 + phase->accept(&phase_reporter);
1.323 + }
1.324 +}
