| /* |
| * Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "gc/shared/copyFailedInfo.hpp" |
| #include "gc/shared/gcHeapSummary.hpp" |
| #include "gc/shared/gcTimer.hpp" |
| #include "gc/shared/gcTrace.hpp" |
| #include "gc/shared/gcWhen.hpp" |
| #include "runtime/os.hpp" |
| #include "trace/traceBackend.hpp" |
| #include "trace/tracing.hpp" |
| #include "utilities/macros.hpp" |
| #if INCLUDE_ALL_GCS |
| #include "gc/g1/evacuationInfo.hpp" |
| #include "gc/g1/g1YCTypes.hpp" |
| #include "tracefiles/traceEventClasses.hpp" |
| #endif |
| |
| // All GC dependencies against the trace framework is contained within this file. |
| |
| typedef uintptr_t TraceAddress; |
| |
| void GCTracer::send_garbage_collection_event() const { |
| EventGCGarbageCollection event(UNTIMED); |
| if (event.should_commit()) { |
| event.set_gcId(GCId::current()); |
| event.set_name(_shared_gc_info.name()); |
| event.set_cause((u2) _shared_gc_info.cause()); |
| event.set_sumOfPauses(_shared_gc_info.sum_of_pauses()); |
| event.set_longestPause(_shared_gc_info.longest_pause()); |
| event.set_starttime(_shared_gc_info.start_timestamp()); |
| event.set_endtime(_shared_gc_info.end_timestamp()); |
| event.commit(); |
| } |
| } |
| |
| void GCTracer::send_reference_stats_event(ReferenceType type, size_t count) const { |
| EventGCReferenceStatistics e; |
| if (e.should_commit()) { |
| e.set_gcId(GCId::current()); |
| e.set_type((u1)type); |
| e.set_count(count); |
| e.commit(); |
| } |
| } |
| |
| void GCTracer::send_metaspace_chunk_free_list_summary(GCWhen::Type when, Metaspace::MetadataType mdtype, |
| const MetaspaceChunkFreeListSummary& summary) const { |
| EventMetaspaceChunkFreeListSummary e; |
| if (e.should_commit()) { |
| e.set_gcId(GCId::current()); |
| e.set_when(when); |
| e.set_metadataType(mdtype); |
| |
| e.set_specializedChunks(summary.num_specialized_chunks()); |
| e.set_specializedChunksTotalSize(summary.specialized_chunks_size_in_bytes()); |
| |
| e.set_smallChunks(summary.num_small_chunks()); |
| e.set_smallChunksTotalSize(summary.small_chunks_size_in_bytes()); |
| |
| e.set_mediumChunks(summary.num_medium_chunks()); |
| e.set_mediumChunksTotalSize(summary.medium_chunks_size_in_bytes()); |
| |
| e.set_humongousChunks(summary.num_humongous_chunks()); |
| e.set_humongousChunksTotalSize(summary.humongous_chunks_size_in_bytes()); |
| |
| e.commit(); |
| } |
| } |
| |
| void ParallelOldTracer::send_parallel_old_event() const { |
| EventGCParallelOld e(UNTIMED); |
| if (e.should_commit()) { |
| e.set_gcId(GCId::current()); |
| e.set_densePrefix((TraceAddress)_parallel_old_gc_info.dense_prefix()); |
| e.set_starttime(_shared_gc_info.start_timestamp()); |
| e.set_endtime(_shared_gc_info.end_timestamp()); |
| e.commit(); |
| } |
| } |
| |
| void YoungGCTracer::send_young_gc_event() const { |
| EventGCYoungGarbageCollection e(UNTIMED); |
| if (e.should_commit()) { |
| e.set_gcId(GCId::current()); |
| e.set_tenuringThreshold(_tenuring_threshold); |
| e.set_starttime(_shared_gc_info.start_timestamp()); |
| e.set_endtime(_shared_gc_info.end_timestamp()); |
| e.commit(); |
| } |
| } |
| |
| bool YoungGCTracer::should_send_promotion_in_new_plab_event() const { |
| return EventPromoteObjectInNewPLAB::is_enabled(); |
| } |
| |
| bool YoungGCTracer::should_send_promotion_outside_plab_event() const { |
| return EventPromoteObjectOutsidePLAB::is_enabled(); |
| } |
| |
| void YoungGCTracer::send_promotion_in_new_plab_event(Klass* klass, size_t obj_size, |
| uint age, bool tenured, |
| size_t plab_size) const { |
| |
| EventPromoteObjectInNewPLAB event; |
| if (event.should_commit()) { |
| event.set_gcId(GCId::current()); |
| event.set_class(klass); |
| event.set_objectSize(obj_size); |
| event.set_tenured(tenured); |
| event.set_tenuringAge(age); |
| event.set_plabSize(plab_size); |
| event.commit(); |
| } |
| } |
| |
| void YoungGCTracer::send_promotion_outside_plab_event(Klass* klass, size_t obj_size, |
| uint age, bool tenured) const { |
| |
| EventPromoteObjectOutsidePLAB event; |
| if (event.should_commit()) { |
| event.set_gcId(GCId::current()); |
| event.set_class(klass); |
| event.set_objectSize(obj_size); |
| event.set_tenured(tenured); |
| event.set_tenuringAge(age); |
| event.commit(); |
| } |
| } |
| |
| void OldGCTracer::send_old_gc_event() const { |
| EventGCOldGarbageCollection e(UNTIMED); |
| if (e.should_commit()) { |
| e.set_gcId(GCId::current()); |
| e.set_starttime(_shared_gc_info.start_timestamp()); |
| e.set_endtime(_shared_gc_info.end_timestamp()); |
| e.commit(); |
| } |
| } |
| |
| static TraceStructCopyFailed to_trace_struct(const CopyFailedInfo& cf_info) { |
| TraceStructCopyFailed failed_info; |
| failed_info.set_objectCount(cf_info.failed_count()); |
| failed_info.set_firstSize(cf_info.first_size()); |
| failed_info.set_smallestSize(cf_info.smallest_size()); |
| failed_info.set_totalSize(cf_info.total_size()); |
| return failed_info; |
| } |
| |
| void YoungGCTracer::send_promotion_failed_event(const PromotionFailedInfo& pf_info) const { |
| EventPromotionFailed e; |
| if (e.should_commit()) { |
| e.set_gcId(GCId::current()); |
| e.set_data(to_trace_struct(pf_info)); |
| e.set_thread(pf_info.thread_trace_id()); |
| e.commit(); |
| } |
| } |
| |
| // Common to CMS and G1 |
| void OldGCTracer::send_concurrent_mode_failure_event() { |
| EventConcurrentModeFailure e; |
| if (e.should_commit()) { |
| e.set_gcId(GCId::current()); |
| e.commit(); |
| } |
| } |
| |
| #if INCLUDE_ALL_GCS |
| void G1NewTracer::send_g1_young_gc_event() { |
| EventGCG1GarbageCollection e(UNTIMED); |
| if (e.should_commit()) { |
| e.set_gcId(GCId::current()); |
| e.set_type(_g1_young_gc_info.type()); |
| e.set_starttime(_shared_gc_info.start_timestamp()); |
| e.set_endtime(_shared_gc_info.end_timestamp()); |
| e.commit(); |
| } |
| } |
| |
| void G1MMUTracer::send_g1_mmu_event(double timeSlice, double gcTime, double maxTime) { |
| EventGCG1MMU e; |
| if (e.should_commit()) { |
| e.set_gcId(GCId::current()); |
| e.set_timeSlice(timeSlice); |
| e.set_gcTime(gcTime); |
| e.set_maxGcTime(maxTime); |
| e.commit(); |
| } |
| } |
| |
| void G1NewTracer::send_evacuation_info_event(EvacuationInfo* info) { |
| EventEvacuationInfo e; |
| if (e.should_commit()) { |
| e.set_gcId(GCId::current()); |
| e.set_cSetRegions(info->collectionset_regions()); |
| e.set_cSetUsedBefore(info->collectionset_used_before()); |
| e.set_cSetUsedAfter(info->collectionset_used_after()); |
| e.set_allocationRegions(info->allocation_regions()); |
| e.set_allocRegionsUsedBefore(info->alloc_regions_used_before()); |
| e.set_allocRegionsUsedAfter(info->alloc_regions_used_before() + info->bytes_copied()); |
| e.set_bytesCopied(info->bytes_copied()); |
| e.set_regionsFreed(info->regions_freed()); |
| e.commit(); |
| } |
| } |
| |
| void G1NewTracer::send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const { |
| EventEvacuationFailed e; |
| if (e.should_commit()) { |
| e.set_gcId(GCId::current()); |
| e.set_data(to_trace_struct(ef_info)); |
| e.commit(); |
| } |
| } |
| |
| static TraceStructG1EvacStats create_g1_evacstats(unsigned gcid, const G1EvacSummary& summary) { |
| TraceStructG1EvacStats s; |
| s.set_gcId(gcid); |
| s.set_allocated(summary.allocated() * HeapWordSize); |
| s.set_wasted(summary.wasted() * HeapWordSize); |
| s.set_used(summary.used() * HeapWordSize); |
| s.set_undoWaste(summary.undo_wasted() * HeapWordSize); |
| s.set_regionEndWaste(summary.region_end_waste() * HeapWordSize); |
| s.set_regionsRefilled(summary.regions_filled()); |
| s.set_directAllocated(summary.direct_allocated() * HeapWordSize); |
| s.set_failureUsed(summary.failure_used() * HeapWordSize); |
| s.set_failureWaste(summary.failure_waste() * HeapWordSize); |
| return s; |
| } |
| |
| void G1NewTracer::send_young_evacuation_statistics(const G1EvacSummary& summary) const { |
| EventGCG1EvacuationYoungStatistics surv_evt; |
| if (surv_evt.should_commit()) { |
| surv_evt.set_stats(create_g1_evacstats(GCId::current(), summary)); |
| surv_evt.commit(); |
| } |
| } |
| |
| void G1NewTracer::send_old_evacuation_statistics(const G1EvacSummary& summary) const { |
| EventGCG1EvacuationOldStatistics old_evt; |
| if (old_evt.should_commit()) { |
| old_evt.set_stats(create_g1_evacstats(GCId::current(), summary)); |
| old_evt.commit(); |
| } |
| } |
| |
| void G1NewTracer::send_basic_ihop_statistics(size_t threshold, |
| size_t target_occupancy, |
| size_t current_occupancy, |
| size_t last_allocation_size, |
| double last_allocation_duration, |
| double last_marking_length) { |
| EventGCG1BasicIHOP evt; |
| if (evt.should_commit()) { |
| evt.set_gcId(GCId::current()); |
| evt.set_threshold(threshold); |
| evt.set_targetOccupancy(target_occupancy); |
| evt.set_thresholdPercentage(target_occupancy > 0 ? (threshold * 100 / target_occupancy) : 0); |
| evt.set_currentOccupancy(current_occupancy); |
| evt.set_lastAllocationSize(last_allocation_size); |
| evt.set_lastAllocationDuration(last_allocation_duration); |
| evt.set_lastAllocationRate(last_allocation_duration != 0.0 ? last_allocation_size / last_allocation_duration : 0.0); |
| evt.set_lastMarkingLength(last_marking_length); |
| evt.commit(); |
| } |
| } |
| |
| void G1NewTracer::send_adaptive_ihop_statistics(size_t threshold, |
| size_t internal_target_occupancy, |
| size_t current_occupancy, |
| size_t additional_buffer_size, |
| double predicted_allocation_rate, |
| double predicted_marking_length, |
| bool prediction_active) { |
| EventGCG1AdaptiveIHOP evt; |
| if (evt.should_commit()) { |
| evt.set_gcId(GCId::current()); |
| evt.set_threshold(threshold); |
| evt.set_thresholdPercentage(internal_target_occupancy > 0 ? (threshold * 100 / internal_target_occupancy) : 0); |
| evt.set_internalTargetOccupancy(internal_target_occupancy); |
| evt.set_currentOccupancy(current_occupancy); |
| evt.set_additionalBufferSize(additional_buffer_size); |
| evt.set_predictedAllocationRate(predicted_allocation_rate); |
| evt.set_predictedMarkingLength(predicted_marking_length); |
| evt.set_predictionActive(prediction_active); |
| evt.commit(); |
| } |
| } |
| |
| #endif |
| |
| static TraceStructVirtualSpace to_trace_struct(const VirtualSpaceSummary& summary) { |
| TraceStructVirtualSpace space; |
| space.set_start((TraceAddress)summary.start()); |
| space.set_committedEnd((TraceAddress)summary.committed_end()); |
| space.set_committedSize(summary.committed_size()); |
| space.set_reservedEnd((TraceAddress)summary.reserved_end()); |
| space.set_reservedSize(summary.reserved_size()); |
| return space; |
| } |
| |
| static TraceStructObjectSpace to_trace_struct(const SpaceSummary& summary) { |
| TraceStructObjectSpace space; |
| space.set_start((TraceAddress)summary.start()); |
| space.set_end((TraceAddress)summary.end()); |
| space.set_used(summary.used()); |
| space.set_size(summary.size()); |
| return space; |
| } |
| |
| class GCHeapSummaryEventSender : public GCHeapSummaryVisitor { |
| GCWhen::Type _when; |
| public: |
| GCHeapSummaryEventSender(GCWhen::Type when) : _when(when) {} |
| |
| void visit(const GCHeapSummary* heap_summary) const { |
| const VirtualSpaceSummary& heap_space = heap_summary->heap(); |
| |
| EventGCHeapSummary e; |
| if (e.should_commit()) { |
| e.set_gcId(GCId::current()); |
| e.set_when((u1)_when); |
| e.set_heapSpace(to_trace_struct(heap_space)); |
| e.set_heapUsed(heap_summary->used()); |
| e.commit(); |
| } |
| } |
| |
| void visit(const G1HeapSummary* g1_heap_summary) const { |
| visit((GCHeapSummary*)g1_heap_summary); |
| |
| EventG1HeapSummary e; |
| if (e.should_commit()) { |
| e.set_gcId(GCId::current()); |
| e.set_when((u1)_when); |
| e.set_edenUsedSize(g1_heap_summary->edenUsed()); |
| e.set_edenTotalSize(g1_heap_summary->edenCapacity()); |
| e.set_survivorUsedSize(g1_heap_summary->survivorUsed()); |
| e.set_numberOfRegions(g1_heap_summary->numberOfRegions()); |
| e.commit(); |
| } |
| } |
| |
| void visit(const PSHeapSummary* ps_heap_summary) const { |
| visit((GCHeapSummary*)ps_heap_summary); |
| |
| const VirtualSpaceSummary& old_summary = ps_heap_summary->old(); |
| const SpaceSummary& old_space = ps_heap_summary->old_space(); |
| const VirtualSpaceSummary& young_summary = ps_heap_summary->young(); |
| const SpaceSummary& eden_space = ps_heap_summary->eden(); |
| const SpaceSummary& from_space = ps_heap_summary->from(); |
| const SpaceSummary& to_space = ps_heap_summary->to(); |
| |
| EventPSHeapSummary e; |
| if (e.should_commit()) { |
| e.set_gcId(GCId::current()); |
| e.set_when((u1)_when); |
| |
| e.set_oldSpace(to_trace_struct(ps_heap_summary->old())); |
| e.set_oldObjectSpace(to_trace_struct(ps_heap_summary->old_space())); |
| e.set_youngSpace(to_trace_struct(ps_heap_summary->young())); |
| e.set_edenSpace(to_trace_struct(ps_heap_summary->eden())); |
| e.set_fromSpace(to_trace_struct(ps_heap_summary->from())); |
| e.set_toSpace(to_trace_struct(ps_heap_summary->to())); |
| e.commit(); |
| } |
| } |
| }; |
| |
| void GCTracer::send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const { |
| GCHeapSummaryEventSender visitor(when); |
| heap_summary.accept(&visitor); |
| } |
| |
| static TraceStructMetaspaceSizes to_trace_struct(const MetaspaceSizes& sizes) { |
| TraceStructMetaspaceSizes meta_sizes; |
| |
| meta_sizes.set_committed(sizes.committed()); |
| meta_sizes.set_used(sizes.used()); |
| meta_sizes.set_reserved(sizes.reserved()); |
| |
| return meta_sizes; |
| } |
| |
| void GCTracer::send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const { |
| EventMetaspaceSummary e; |
| if (e.should_commit()) { |
| e.set_gcId(GCId::current()); |
| e.set_when((u1) when); |
| e.set_gcThreshold(meta_space_summary.capacity_until_GC()); |
| e.set_metaspace(to_trace_struct(meta_space_summary.meta_space())); |
| e.set_dataSpace(to_trace_struct(meta_space_summary.data_space())); |
| e.set_classSpace(to_trace_struct(meta_space_summary.class_space())); |
| e.commit(); |
| } |
| } |
| |
| class PhaseSender : public PhaseVisitor { |
| void visit_pause(GCPhase* phase) { |
| assert(phase->level() < PhasesStack::PHASE_LEVELS, "Need more event types for PausePhase"); |
| |
| switch (phase->level()) { |
| case 0: send_phase<EventGCPhasePause>(phase); break; |
| case 1: send_phase<EventGCPhasePauseLevel1>(phase); break; |
| case 2: send_phase<EventGCPhasePauseLevel2>(phase); break; |
| case 3: send_phase<EventGCPhasePauseLevel3>(phase); break; |
| default: /* Ignore sending this phase */ break; |
| } |
| } |
| |
| void visit_concurrent(GCPhase* phase) { |
| assert(phase->level() < 1, "There is only one level for ConcurrentPhase"); |
| |
| switch (phase->level()) { |
| case 0: send_phase<EventGCPhaseConcurrent>(phase); break; |
| default: /* Ignore sending this phase */ break; |
| } |
| } |
| |
| public: |
| template<typename T> |
| void send_phase(GCPhase* phase) { |
| T event(UNTIMED); |
| if (event.should_commit()) { |
| event.set_gcId(GCId::current()); |
| event.set_name(phase->name()); |
| event.set_starttime(phase->start()); |
| event.set_endtime(phase->end()); |
| event.commit(); |
| } |
| } |
| |
| void visit(GCPhase* phase) { |
| if (phase->type() == GCPhase::PausePhaseType) { |
| visit_pause(phase); |
| } else { |
| assert(phase->type() == GCPhase::ConcurrentPhaseType, "Should be ConcurrentPhaseType"); |
| visit_concurrent(phase); |
| } |
| } |
| }; |
| |
| void GCTracer::send_phase_events(TimePartitions* time_partitions) const { |
| PhaseSender phase_reporter; |
| |
| TimePartitionPhasesIterator iter(time_partitions); |
| while (iter.has_next()) { |
| GCPhase* phase = iter.next(); |
| phase->accept(&phase_reporter); |
| } |
| } |