diff -r 000000000000 -r f90c822e73f8 src/share/vm/gc_implementation/shared/gcTraceSend.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/shared/gcTraceSend.cpp Wed Apr 27 01:25:04 2016 +0800 @@ -0,0 +1,321 @@ +/* + * Copyright (c) 2012, 2013, 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_implementation/shared/gcHeapSummary.hpp" +#include "gc_implementation/shared/gcTimer.hpp" +#include "gc_implementation/shared/gcTrace.hpp" +#include "gc_implementation/shared/gcWhen.hpp" +#include "gc_implementation/shared/copyFailedInfo.hpp" +#include "runtime/os.hpp" +#include "trace/tracing.hpp" +#include "trace/traceBackend.hpp" +#if INCLUDE_ALL_GCS +#include "gc_implementation/g1/evacuationInfo.hpp" +#include "gc_implementation/g1/g1YCTypes.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(_shared_gc_info.id()); + 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(_shared_gc_info.id()); + 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(_shared_gc_info.id()); + 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(_shared_gc_info.id()); + 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(_shared_gc_info.id()); + e.set_tenuringThreshold(_tenuring_threshold); + e.set_starttime(_shared_gc_info.start_timestamp()); + e.set_endtime(_shared_gc_info.end_timestamp()); + e.commit(); + } +} + +void OldGCTracer::send_old_gc_event() const { + EventGCOldGarbageCollection e(UNTIMED); + if (e.should_commit()) { + e.set_gcId(_shared_gc_info.id()); + 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(_shared_gc_info.id()); + e.set_data(to_trace_struct(pf_info)); + e.set_thread(pf_info.thread()->thread_id()); + e.commit(); + } +} + +// Common to CMS and G1 +void OldGCTracer::send_concurrent_mode_failure_event() { + EventConcurrentModeFailure e; + if (e.should_commit()) { + e.set_gcId(_shared_gc_info.id()); + e.commit(); + } +} + +#if INCLUDE_ALL_GCS +void G1NewTracer::send_g1_young_gc_event() { + EventGCG1GarbageCollection e(UNTIMED); + if (e.should_commit()) { + e.set_gcId(_shared_gc_info.id()); + 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 G1NewTracer::send_evacuation_info_event(EvacuationInfo* info) { + EventEvacuationInfo e; + if (e.should_commit()) { + e.set_gcId(_shared_gc_info.id()); + 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(_shared_gc_info.id()); + e.set_data(to_trace_struct(ef_info)); + e.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 { + GCId _id; + GCWhen::Type _when; + public: + GCHeapSummaryEventSender(GCId id, GCWhen::Type when) : _id(id), _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(_id); + e.set_when((u1)_when); + e.set_heapSpace(to_trace_struct(heap_space)); + e.set_heapUsed(heap_summary->used()); + 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(_id); + 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(_shared_gc_info.id(), 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(_shared_gc_info.id()); + 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 { + GCId _gc_id; + public: + PhaseSender(GCId gc_id) : _gc_id(gc_id) {} + + template + void send_phase(PausePhase* pause) { + T event(UNTIMED); + if (event.should_commit()) { + event.set_gcId(_gc_id); + event.set_name(pause->name()); + event.set_starttime(pause->start()); + event.set_endtime(pause->end()); + event.commit(); + } + } + + void visit(GCPhase* pause) { ShouldNotReachHere(); } + void visit(ConcurrentPhase* pause) { Unimplemented(); } + void visit(PausePhase* pause) { + assert(PhasesStack::PHASE_LEVELS == 5, "Need more event types"); + + switch (pause->level()) { + case 0: send_phase(pause); break; + case 1: send_phase(pause); break; + case 2: send_phase(pause); break; + case 3: send_phase(pause); break; + default: /* Ignore sending this phase */ break; + } + } +}; + +void GCTracer::send_phase_events(TimePartitions* time_partitions) const { + PhaseSender phase_reporter(_shared_gc_info.id()); + + TimePartitionPhasesIterator iter(time_partitions); + while (iter.has_next()) { + GCPhase* phase = iter.next(); + phase->accept(&phase_reporter); + } +}