aoqi@0: /*
aoqi@0:  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #include "precompiled.hpp"
aoqi@0: #include "gc_implementation/shared/gcHeapSummary.hpp"
aoqi@0: #include "gc_implementation/shared/gcTimer.hpp"
aoqi@0: #include "gc_implementation/shared/gcTrace.hpp"
aoqi@0: #include "gc_implementation/shared/gcWhen.hpp"
aoqi@0: #include "gc_implementation/shared/copyFailedInfo.hpp"
aoqi@0: #include "runtime/os.hpp"
aoqi@0: #include "trace/tracing.hpp"
aoqi@0: #include "trace/traceBackend.hpp"
aoqi@0: #if INCLUDE_ALL_GCS
aoqi@0: #include "gc_implementation/g1/evacuationInfo.hpp"
aoqi@0: #include "gc_implementation/g1/g1YCTypes.hpp"
aoqi@0: #endif
aoqi@0: 
aoqi@0: // All GC dependencies against the trace framework is contained within this file.
aoqi@0: 
aoqi@0: typedef uintptr_t TraceAddress;
aoqi@0: 
aoqi@0: void GCTracer::send_garbage_collection_event() const {
aoqi@0:   EventGCGarbageCollection event(UNTIMED);
aoqi@0:   if (event.should_commit()) {
aoqi@0:     event.set_gcId(_shared_gc_info.id());
aoqi@0:     event.set_name(_shared_gc_info.name());
aoqi@0:     event.set_cause((u2) _shared_gc_info.cause());
aoqi@0:     event.set_sumOfPauses(_shared_gc_info.sum_of_pauses());
aoqi@0:     event.set_longestPause(_shared_gc_info.longest_pause());
aoqi@0:     event.set_starttime(_shared_gc_info.start_timestamp());
aoqi@0:     event.set_endtime(_shared_gc_info.end_timestamp());
aoqi@0:     event.commit();
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: void GCTracer::send_reference_stats_event(ReferenceType type, size_t count) const {
aoqi@0:   EventGCReferenceStatistics e;
aoqi@0:   if (e.should_commit()) {
aoqi@0:       e.set_gcId(_shared_gc_info.id());
aoqi@0:       e.set_type((u1)type);
aoqi@0:       e.set_count(count);
aoqi@0:       e.commit();
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: void GCTracer::send_metaspace_chunk_free_list_summary(GCWhen::Type when, Metaspace::MetadataType mdtype,
aoqi@0:                                                       const MetaspaceChunkFreeListSummary& summary) const {
aoqi@0:   EventMetaspaceChunkFreeListSummary e;
aoqi@0:   if (e.should_commit()) {
aoqi@0:     e.set_gcId(_shared_gc_info.id());
aoqi@0:     e.set_when(when);
aoqi@0:     e.set_metadataType(mdtype);
aoqi@0: 
aoqi@0:     e.set_specializedChunks(summary.num_specialized_chunks());
aoqi@0:     e.set_specializedChunksTotalSize(summary.specialized_chunks_size_in_bytes());
aoqi@0: 
aoqi@0:     e.set_smallChunks(summary.num_small_chunks());
aoqi@0:     e.set_smallChunksTotalSize(summary.small_chunks_size_in_bytes());
aoqi@0: 
aoqi@0:     e.set_mediumChunks(summary.num_medium_chunks());
aoqi@0:     e.set_mediumChunksTotalSize(summary.medium_chunks_size_in_bytes());
aoqi@0: 
aoqi@0:     e.set_humongousChunks(summary.num_humongous_chunks());
aoqi@0:     e.set_humongousChunksTotalSize(summary.humongous_chunks_size_in_bytes());
aoqi@0: 
aoqi@0:     e.commit();
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: void ParallelOldTracer::send_parallel_old_event() const {
aoqi@0:   EventGCParallelOld e(UNTIMED);
aoqi@0:   if (e.should_commit()) {
aoqi@0:     e.set_gcId(_shared_gc_info.id());
aoqi@0:     e.set_densePrefix((TraceAddress)_parallel_old_gc_info.dense_prefix());
aoqi@0:     e.set_starttime(_shared_gc_info.start_timestamp());
aoqi@0:     e.set_endtime(_shared_gc_info.end_timestamp());
aoqi@0:     e.commit();
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: void YoungGCTracer::send_young_gc_event() const {
aoqi@0:   EventGCYoungGarbageCollection e(UNTIMED);
aoqi@0:   if (e.should_commit()) {
aoqi@0:     e.set_gcId(_shared_gc_info.id());
aoqi@0:     e.set_tenuringThreshold(_tenuring_threshold);
aoqi@0:     e.set_starttime(_shared_gc_info.start_timestamp());
aoqi@0:     e.set_endtime(_shared_gc_info.end_timestamp());
aoqi@0:     e.commit();
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: void OldGCTracer::send_old_gc_event() const {
aoqi@0:   EventGCOldGarbageCollection e(UNTIMED);
aoqi@0:   if (e.should_commit()) {
aoqi@0:     e.set_gcId(_shared_gc_info.id());
aoqi@0:     e.set_starttime(_shared_gc_info.start_timestamp());
aoqi@0:     e.set_endtime(_shared_gc_info.end_timestamp());
aoqi@0:     e.commit();
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: static TraceStructCopyFailed to_trace_struct(const CopyFailedInfo& cf_info) {
aoqi@0:   TraceStructCopyFailed failed_info;
aoqi@0:   failed_info.set_objectCount(cf_info.failed_count());
aoqi@0:   failed_info.set_firstSize(cf_info.first_size());
aoqi@0:   failed_info.set_smallestSize(cf_info.smallest_size());
aoqi@0:   failed_info.set_totalSize(cf_info.total_size());
aoqi@0:   return failed_info;
aoqi@0: }
aoqi@0: 
aoqi@0: void YoungGCTracer::send_promotion_failed_event(const PromotionFailedInfo& pf_info) const {
aoqi@0:   EventPromotionFailed e;
aoqi@0:   if (e.should_commit()) {
aoqi@0:     e.set_gcId(_shared_gc_info.id());
aoqi@0:     e.set_data(to_trace_struct(pf_info));
aoqi@0:     e.set_thread(pf_info.thread()->thread_id());
aoqi@0:     e.commit();
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: // Common to CMS and G1
aoqi@0: void OldGCTracer::send_concurrent_mode_failure_event() {
aoqi@0:   EventConcurrentModeFailure e;
aoqi@0:   if (e.should_commit()) {
aoqi@0:     e.set_gcId(_shared_gc_info.id());
aoqi@0:     e.commit();
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: #if INCLUDE_ALL_GCS
aoqi@0: void G1NewTracer::send_g1_young_gc_event() {
aoqi@0:   EventGCG1GarbageCollection e(UNTIMED);
aoqi@0:   if (e.should_commit()) {
aoqi@0:     e.set_gcId(_shared_gc_info.id());
aoqi@0:     e.set_type(_g1_young_gc_info.type());
aoqi@0:     e.set_starttime(_shared_gc_info.start_timestamp());
aoqi@0:     e.set_endtime(_shared_gc_info.end_timestamp());
aoqi@0:     e.commit();
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: void G1NewTracer::send_evacuation_info_event(EvacuationInfo* info) {
aoqi@0:   EventEvacuationInfo e;
aoqi@0:   if (e.should_commit()) {
aoqi@0:     e.set_gcId(_shared_gc_info.id());
aoqi@0:     e.set_cSetRegions(info->collectionset_regions());
aoqi@0:     e.set_cSetUsedBefore(info->collectionset_used_before());
aoqi@0:     e.set_cSetUsedAfter(info->collectionset_used_after());
aoqi@0:     e.set_allocationRegions(info->allocation_regions());
aoqi@0:     e.set_allocRegionsUsedBefore(info->alloc_regions_used_before());
aoqi@0:     e.set_allocRegionsUsedAfter(info->alloc_regions_used_before() + info->bytes_copied());
aoqi@0:     e.set_bytesCopied(info->bytes_copied());
aoqi@0:     e.set_regionsFreed(info->regions_freed());
aoqi@0:     e.commit();
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: void G1NewTracer::send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const {
aoqi@0:   EventEvacuationFailed e;
aoqi@0:   if (e.should_commit()) {
aoqi@0:     e.set_gcId(_shared_gc_info.id());
aoqi@0:     e.set_data(to_trace_struct(ef_info));
aoqi@0:     e.commit();
aoqi@0:   }
aoqi@0: }
aoqi@0: #endif
aoqi@0: 
aoqi@0: static TraceStructVirtualSpace to_trace_struct(const VirtualSpaceSummary& summary) {
aoqi@0:   TraceStructVirtualSpace space;
aoqi@0:   space.set_start((TraceAddress)summary.start());
aoqi@0:   space.set_committedEnd((TraceAddress)summary.committed_end());
aoqi@0:   space.set_committedSize(summary.committed_size());
aoqi@0:   space.set_reservedEnd((TraceAddress)summary.reserved_end());
aoqi@0:   space.set_reservedSize(summary.reserved_size());
aoqi@0:   return space;
aoqi@0: }
aoqi@0: 
aoqi@0: static TraceStructObjectSpace to_trace_struct(const SpaceSummary& summary) {
aoqi@0:   TraceStructObjectSpace space;
aoqi@0:   space.set_start((TraceAddress)summary.start());
aoqi@0:   space.set_end((TraceAddress)summary.end());
aoqi@0:   space.set_used(summary.used());
aoqi@0:   space.set_size(summary.size());
aoqi@0:   return space;
aoqi@0: }
aoqi@0: 
aoqi@0: class GCHeapSummaryEventSender : public GCHeapSummaryVisitor {
aoqi@0:   GCId _id;
aoqi@0:   GCWhen::Type _when;
aoqi@0:  public:
aoqi@0:   GCHeapSummaryEventSender(GCId id, GCWhen::Type when) : _id(id), _when(when) {}
aoqi@0: 
aoqi@0:   void visit(const GCHeapSummary* heap_summary) const {
aoqi@0:     const VirtualSpaceSummary& heap_space = heap_summary->heap();
aoqi@0: 
aoqi@0:     EventGCHeapSummary e;
aoqi@0:     if (e.should_commit()) {
aoqi@0:       e.set_gcId(_id);
aoqi@0:       e.set_when((u1)_when);
aoqi@0:       e.set_heapSpace(to_trace_struct(heap_space));
aoqi@0:       e.set_heapUsed(heap_summary->used());
aoqi@0:       e.commit();
aoqi@0:     }
aoqi@0:   }
aoqi@0: 
aoqi@0:   void visit(const PSHeapSummary* ps_heap_summary) const {
aoqi@0:     visit((GCHeapSummary*)ps_heap_summary);
aoqi@0: 
aoqi@0:     const VirtualSpaceSummary& old_summary = ps_heap_summary->old();
aoqi@0:     const SpaceSummary& old_space = ps_heap_summary->old_space();
aoqi@0:     const VirtualSpaceSummary& young_summary = ps_heap_summary->young();
aoqi@0:     const SpaceSummary& eden_space = ps_heap_summary->eden();
aoqi@0:     const SpaceSummary& from_space = ps_heap_summary->from();
aoqi@0:     const SpaceSummary& to_space = ps_heap_summary->to();
aoqi@0: 
aoqi@0:     EventPSHeapSummary e;
aoqi@0:     if (e.should_commit()) {
aoqi@0:       e.set_gcId(_id);
aoqi@0:       e.set_when((u1)_when);
aoqi@0: 
aoqi@0:       e.set_oldSpace(to_trace_struct(ps_heap_summary->old()));
aoqi@0:       e.set_oldObjectSpace(to_trace_struct(ps_heap_summary->old_space()));
aoqi@0:       e.set_youngSpace(to_trace_struct(ps_heap_summary->young()));
aoqi@0:       e.set_edenSpace(to_trace_struct(ps_heap_summary->eden()));
aoqi@0:       e.set_fromSpace(to_trace_struct(ps_heap_summary->from()));
aoqi@0:       e.set_toSpace(to_trace_struct(ps_heap_summary->to()));
aoqi@0:       e.commit();
aoqi@0:     }
aoqi@0:   }
aoqi@0: };
aoqi@0: 
aoqi@0: void GCTracer::send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const {
aoqi@0:   GCHeapSummaryEventSender visitor(_shared_gc_info.id(), when);
aoqi@0:   heap_summary.accept(&visitor);
aoqi@0: }
aoqi@0: 
aoqi@0: static TraceStructMetaspaceSizes to_trace_struct(const MetaspaceSizes& sizes) {
aoqi@0:   TraceStructMetaspaceSizes meta_sizes;
aoqi@0: 
aoqi@0:   meta_sizes.set_committed(sizes.committed());
aoqi@0:   meta_sizes.set_used(sizes.used());
aoqi@0:   meta_sizes.set_reserved(sizes.reserved());
aoqi@0: 
aoqi@0:   return meta_sizes;
aoqi@0: }
aoqi@0: 
aoqi@0: void GCTracer::send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const {
aoqi@0:   EventMetaspaceSummary e;
aoqi@0:   if (e.should_commit()) {
aoqi@0:     e.set_gcId(_shared_gc_info.id());
aoqi@0:     e.set_when((u1) when);
aoqi@0:     e.set_gcThreshold(meta_space_summary.capacity_until_GC());
aoqi@0:     e.set_metaspace(to_trace_struct(meta_space_summary.meta_space()));
aoqi@0:     e.set_dataSpace(to_trace_struct(meta_space_summary.data_space()));
aoqi@0:     e.set_classSpace(to_trace_struct(meta_space_summary.class_space()));
aoqi@0:     e.commit();
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: class PhaseSender : public PhaseVisitor {
aoqi@0:   GCId _gc_id;
aoqi@0:  public:
aoqi@0:   PhaseSender(GCId gc_id) : _gc_id(gc_id) {}
aoqi@0: 
aoqi@0:   template<typename T>
aoqi@0:   void send_phase(PausePhase* pause) {
aoqi@0:     T event(UNTIMED);
aoqi@0:     if (event.should_commit()) {
aoqi@0:       event.set_gcId(_gc_id);
aoqi@0:       event.set_name(pause->name());
aoqi@0:       event.set_starttime(pause->start());
aoqi@0:       event.set_endtime(pause->end());
aoqi@0:       event.commit();
aoqi@0:     }
aoqi@0:   }
aoqi@0: 
aoqi@0:   void visit(GCPhase* pause) { ShouldNotReachHere(); }
aoqi@0:   void visit(ConcurrentPhase* pause) { Unimplemented(); }
aoqi@0:   void visit(PausePhase* pause) {
aoqi@0:     assert(PhasesStack::PHASE_LEVELS == 5, "Need more event types");
aoqi@0: 
aoqi@0:     switch (pause->level()) {
aoqi@0:       case 0: send_phase<EventGCPhasePause>(pause); break;
aoqi@0:       case 1: send_phase<EventGCPhasePauseLevel1>(pause); break;
aoqi@0:       case 2: send_phase<EventGCPhasePauseLevel2>(pause); break;
aoqi@0:       case 3: send_phase<EventGCPhasePauseLevel3>(pause); break;
aoqi@0:       default: /* Ignore sending this phase */ break;
aoqi@0:     }
aoqi@0:   }
aoqi@0: };
aoqi@0: 
aoqi@0: void GCTracer::send_phase_events(TimePartitions* time_partitions) const {
aoqi@0:   PhaseSender phase_reporter(_shared_gc_info.id());
aoqi@0: 
aoqi@0:   TimePartitionPhasesIterator iter(time_partitions);
aoqi@0:   while (iter.has_next()) {
aoqi@0:     GCPhase* phase = iter.next();
aoqi@0:     phase->accept(&phase_reporter);
aoqi@0:   }
aoqi@0: }