sla@5237: /*
sla@5237:  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
sla@5237:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
sla@5237:  *
sla@5237:  * This code is free software; you can redistribute it and/or modify it
sla@5237:  * under the terms of the GNU General Public License version 2 only, as
sla@5237:  * published by the Free Software Foundation.
sla@5237:  *
sla@5237:  * This code is distributed in the hope that it will be useful, but WITHOUT
sla@5237:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
sla@5237:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
sla@5237:  * version 2 for more details (a copy is included in the LICENSE file that
sla@5237:  * accompanied this code).
sla@5237:  *
sla@5237:  * You should have received a copy of the GNU General Public License version
sla@5237:  * 2 along with this work; if not, write to the Free Software Foundation,
sla@5237:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
sla@5237:  *
sla@5237:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
sla@5237:  * or visit www.oracle.com if you need additional information or have any
sla@5237:  * questions.
sla@5237:  *
sla@5237:  */
sla@5237: 
sla@5237: #include "precompiled.hpp"
sla@5237: #include "gc_implementation/shared/gcHeapSummary.hpp"
sla@5237: #include "gc_implementation/shared/gcTimer.hpp"
sla@5237: #include "gc_implementation/shared/gcTrace.hpp"
sla@5237: #include "gc_implementation/shared/gcWhen.hpp"
sla@5237: #include "gc_implementation/shared/copyFailedInfo.hpp"
ehelin@5647: #include "runtime/os.hpp"
sla@5237: #include "trace/tracing.hpp"
sla@5237: #include "trace/traceBackend.hpp"
sla@5237: #if INCLUDE_ALL_GCS
sla@5237: #include "gc_implementation/g1/evacuationInfo.hpp"
sla@5237: #include "gc_implementation/g1/g1YCTypes.hpp"
sla@5237: #endif
sla@5237: 
sla@5237: // All GC dependencies against the trace framework is contained within this file.
sla@5237: 
sla@5237: typedef uintptr_t TraceAddress;
sla@5237: 
sla@5237: void GCTracer::send_garbage_collection_event() const {
sla@5237:   EventGCGarbageCollection event(UNTIMED);
sla@5237:   if (event.should_commit()) {
sla@5237:     event.set_gcId(_shared_gc_info.id());
sla@5237:     event.set_name(_shared_gc_info.name());
sla@5237:     event.set_cause((u2) _shared_gc_info.cause());
sla@5237:     event.set_sumOfPauses(_shared_gc_info.sum_of_pauses());
sla@5237:     event.set_longestPause(_shared_gc_info.longest_pause());
sla@5237:     event.set_starttime(_shared_gc_info.start_timestamp());
sla@5237:     event.set_endtime(_shared_gc_info.end_timestamp());
sla@5237:     event.commit();
sla@5237:   }
sla@5237: }
sla@5237: 
sla@5237: void GCTracer::send_reference_stats_event(ReferenceType type, size_t count) const {
mgronlun@6131:   EventGCReferenceStatistics e;
sla@5237:   if (e.should_commit()) {
sla@5237:       e.set_gcId(_shared_gc_info.id());
sla@5237:       e.set_type((u1)type);
sla@5237:       e.set_count(count);
sla@5237:       e.commit();
sla@5237:   }
sla@5237: }
sla@5237: 
sla@5237: void ParallelOldTracer::send_parallel_old_event() const {
sla@5237:   EventGCParallelOld e(UNTIMED);
sla@5237:   if (e.should_commit()) {
sla@5237:     e.set_gcId(_shared_gc_info.id());
sla@5237:     e.set_densePrefix((TraceAddress)_parallel_old_gc_info.dense_prefix());
sla@5237:     e.set_starttime(_shared_gc_info.start_timestamp());
sla@5237:     e.set_endtime(_shared_gc_info.end_timestamp());
sla@5237:     e.commit();
sla@5237:   }
sla@5237: }
sla@5237: 
sla@5237: void YoungGCTracer::send_young_gc_event() const {
sla@5237:   EventGCYoungGarbageCollection e(UNTIMED);
sla@5237:   if (e.should_commit()) {
sla@5237:     e.set_gcId(_shared_gc_info.id());
sla@5237:     e.set_tenuringThreshold(_tenuring_threshold);
sla@5237:     e.set_starttime(_shared_gc_info.start_timestamp());
sla@5237:     e.set_endtime(_shared_gc_info.end_timestamp());
sla@5237:     e.commit();
sla@5237:   }
sla@5237: }
sla@5237: 
sla@5237: void OldGCTracer::send_old_gc_event() const {
sla@5237:   EventGCOldGarbageCollection e(UNTIMED);
sla@5237:   if (e.should_commit()) {
sla@5237:     e.set_gcId(_shared_gc_info.id());
sla@5237:     e.set_starttime(_shared_gc_info.start_timestamp());
sla@5237:     e.set_endtime(_shared_gc_info.end_timestamp());
sla@5237:     e.commit();
sla@5237:   }
sla@5237: }
sla@5237: 
sla@5237: static TraceStructCopyFailed to_trace_struct(const CopyFailedInfo& cf_info) {
sla@5237:   TraceStructCopyFailed failed_info;
sla@5237:   failed_info.set_objectCount(cf_info.failed_count());
sla@5237:   failed_info.set_firstSize(cf_info.first_size());
sla@5237:   failed_info.set_smallestSize(cf_info.smallest_size());
sla@5237:   failed_info.set_totalSize(cf_info.total_size());
sla@5237:   return failed_info;
sla@5237: }
sla@5237: 
sla@5237: void YoungGCTracer::send_promotion_failed_event(const PromotionFailedInfo& pf_info) const {
mgronlun@6131:   EventPromotionFailed e;
sla@5237:   if (e.should_commit()) {
sla@5237:     e.set_gcId(_shared_gc_info.id());
sla@5237:     e.set_data(to_trace_struct(pf_info));
sla@5237:     e.set_thread(pf_info.thread()->thread_id());
sla@5237:     e.commit();
sla@5237:   }
sla@5237: }
sla@5237: 
sla@5237: // Common to CMS and G1
sla@5237: void OldGCTracer::send_concurrent_mode_failure_event() {
mgronlun@6131:   EventConcurrentModeFailure e;
sla@5237:   if (e.should_commit()) {
sla@5237:     e.set_gcId(_shared_gc_info.id());
sla@5237:     e.commit();
sla@5237:   }
sla@5237: }
sla@5237: 
sla@5237: #if INCLUDE_ALL_GCS
sla@5237: void G1NewTracer::send_g1_young_gc_event() {
sla@5237:   EventGCG1GarbageCollection e(UNTIMED);
sla@5237:   if (e.should_commit()) {
sla@5237:     e.set_gcId(_shared_gc_info.id());
sla@5237:     e.set_type(_g1_young_gc_info.type());
sla@5237:     e.set_starttime(_shared_gc_info.start_timestamp());
sla@5237:     e.set_endtime(_shared_gc_info.end_timestamp());
sla@5237:     e.commit();
sla@5237:   }
sla@5237: }
sla@5237: 
sla@5237: void G1NewTracer::send_evacuation_info_event(EvacuationInfo* info) {
mgronlun@6131:   EventEvacuationInfo e;
sla@5237:   if (e.should_commit()) {
sla@5237:     e.set_gcId(_shared_gc_info.id());
sla@5237:     e.set_cSetRegions(info->collectionset_regions());
sla@5237:     e.set_cSetUsedBefore(info->collectionset_used_before());
sla@5237:     e.set_cSetUsedAfter(info->collectionset_used_after());
sla@5237:     e.set_allocationRegions(info->allocation_regions());
sla@5237:     e.set_allocRegionsUsedBefore(info->alloc_regions_used_before());
sla@5237:     e.set_allocRegionsUsedAfter(info->alloc_regions_used_before() + info->bytes_copied());
sla@5237:     e.set_bytesCopied(info->bytes_copied());
sla@5237:     e.set_regionsFreed(info->regions_freed());
sla@5237:     e.commit();
sla@5237:   }
sla@5237: }
sla@5237: 
sla@5237: void G1NewTracer::send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const {
mgronlun@6131:   EventEvacuationFailed e;
sla@5237:   if (e.should_commit()) {
sla@5237:     e.set_gcId(_shared_gc_info.id());
sla@5237:     e.set_data(to_trace_struct(ef_info));
sla@5237:     e.commit();
sla@5237:   }
sla@5237: }
sla@5237: #endif
sla@5237: 
sla@5237: static TraceStructVirtualSpace to_trace_struct(const VirtualSpaceSummary& summary) {
sla@5237:   TraceStructVirtualSpace space;
sla@5237:   space.set_start((TraceAddress)summary.start());
sla@5237:   space.set_committedEnd((TraceAddress)summary.committed_end());
sla@5237:   space.set_committedSize(summary.committed_size());
sla@5237:   space.set_reservedEnd((TraceAddress)summary.reserved_end());
sla@5237:   space.set_reservedSize(summary.reserved_size());
sla@5237:   return space;
sla@5237: }
sla@5237: 
sla@5237: static TraceStructObjectSpace to_trace_struct(const SpaceSummary& summary) {
sla@5237:   TraceStructObjectSpace space;
sla@5237:   space.set_start((TraceAddress)summary.start());
sla@5237:   space.set_end((TraceAddress)summary.end());
sla@5237:   space.set_used(summary.used());
sla@5237:   space.set_size(summary.size());
sla@5237:   return space;
sla@5237: }
sla@5237: 
sla@5237: class GCHeapSummaryEventSender : public GCHeapSummaryVisitor {
sla@5237:   GCId _id;
sla@5237:   GCWhen::Type _when;
sla@5237:  public:
sla@5237:   GCHeapSummaryEventSender(GCId id, GCWhen::Type when) : _id(id), _when(when) {}
sla@5237: 
sla@5237:   void visit(const GCHeapSummary* heap_summary) const {
sla@5237:     const VirtualSpaceSummary& heap_space = heap_summary->heap();
sla@5237: 
mgronlun@6131:     EventGCHeapSummary e;
sla@5237:     if (e.should_commit()) {
sla@5237:       e.set_gcId(_id);
sla@5237:       e.set_when((u1)_when);
sla@5237:       e.set_heapSpace(to_trace_struct(heap_space));
sla@5237:       e.set_heapUsed(heap_summary->used());
sla@5237:       e.commit();
sla@5237:     }
sla@5237:   }
sla@5237: 
sla@5237:   void visit(const PSHeapSummary* ps_heap_summary) const {
sla@5237:     visit((GCHeapSummary*)ps_heap_summary);
sla@5237: 
sla@5237:     const VirtualSpaceSummary& old_summary = ps_heap_summary->old();
sla@5237:     const SpaceSummary& old_space = ps_heap_summary->old_space();
sla@5237:     const VirtualSpaceSummary& young_summary = ps_heap_summary->young();
sla@5237:     const SpaceSummary& eden_space = ps_heap_summary->eden();
sla@5237:     const SpaceSummary& from_space = ps_heap_summary->from();
sla@5237:     const SpaceSummary& to_space = ps_heap_summary->to();
sla@5237: 
mgronlun@6131:     EventPSHeapSummary e;
sla@5237:     if (e.should_commit()) {
sla@5237:       e.set_gcId(_id);
sla@5237:       e.set_when((u1)_when);
sla@5237: 
sla@5237:       e.set_oldSpace(to_trace_struct(ps_heap_summary->old()));
sla@5237:       e.set_oldObjectSpace(to_trace_struct(ps_heap_summary->old_space()));
sla@5237:       e.set_youngSpace(to_trace_struct(ps_heap_summary->young()));
sla@5237:       e.set_edenSpace(to_trace_struct(ps_heap_summary->eden()));
sla@5237:       e.set_fromSpace(to_trace_struct(ps_heap_summary->from()));
sla@5237:       e.set_toSpace(to_trace_struct(ps_heap_summary->to()));
sla@5237:       e.commit();
sla@5237:     }
sla@5237:   }
sla@5237: };
sla@5237: 
sla@5237: void GCTracer::send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const {
sla@5237:   GCHeapSummaryEventSender visitor(_shared_gc_info.id(), when);
sla@5237:   heap_summary.accept(&visitor);
sla@5237: }
sla@5237: 
sla@5237: static TraceStructMetaspaceSizes to_trace_struct(const MetaspaceSizes& sizes) {
sla@5237:   TraceStructMetaspaceSizes meta_sizes;
sla@5237: 
sla@5237:   meta_sizes.set_capacity(sizes.capacity());
sla@5237:   meta_sizes.set_used(sizes.used());
sla@5237:   meta_sizes.set_reserved(sizes.reserved());
sla@5237: 
sla@5237:   return meta_sizes;
sla@5237: }
sla@5237: 
sla@5237: void GCTracer::send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const {
mgronlun@6131:   EventMetaspaceSummary e;
sla@5237:   if (e.should_commit()) {
sla@5237:     e.set_gcId(_shared_gc_info.id());
sla@5237:     e.set_when((u1) when);
sla@5237:     e.set_metaspace(to_trace_struct(meta_space_summary.meta_space()));
sla@5237:     e.set_dataSpace(to_trace_struct(meta_space_summary.data_space()));
sla@5237:     e.set_classSpace(to_trace_struct(meta_space_summary.class_space()));
sla@5237:     e.commit();
sla@5237:   }
sla@5237: }
sla@5237: 
sla@5237: class PhaseSender : public PhaseVisitor {
sla@5237:   GCId _gc_id;
sla@5237:  public:
sla@5237:   PhaseSender(GCId gc_id) : _gc_id(gc_id) {}
sla@5237: 
sla@5237:   template<typename T>
sla@5237:   void send_phase(PausePhase* pause) {
sla@5237:     T event(UNTIMED);
sla@5237:     if (event.should_commit()) {
sla@5237:       event.set_gcId(_gc_id);
sla@5237:       event.set_name(pause->name());
sla@5237:       event.set_starttime(pause->start());
sla@5237:       event.set_endtime(pause->end());
sla@5237:       event.commit();
sla@5237:     }
sla@5237:   }
sla@5237: 
sla@5237:   void visit(GCPhase* pause) { ShouldNotReachHere(); }
sla@5237:   void visit(ConcurrentPhase* pause) { Unimplemented(); }
sla@5237:   void visit(PausePhase* pause) {
sla@5237:     assert(PhasesStack::PHASE_LEVELS == 5, "Need more event types");
sla@5237: 
sla@5237:     switch (pause->level()) {
sla@5237:       case 0: send_phase<EventGCPhasePause>(pause); break;
sla@5237:       case 1: send_phase<EventGCPhasePauseLevel1>(pause); break;
sla@5237:       case 2: send_phase<EventGCPhasePauseLevel2>(pause); break;
sla@5237:       case 3: send_phase<EventGCPhasePauseLevel3>(pause); break;
sla@5237:       default: /* Ignore sending this phase */ break;
sla@5237:     }
sla@5237:   }
sla@5237: };
sla@5237: 
sla@5237: void GCTracer::send_phase_events(TimePartitions* time_partitions) const {
sla@5237:   PhaseSender phase_reporter(_shared_gc_info.id());
sla@5237: 
sla@5237:   TimePartitionPhasesIterator iter(time_partitions);
sla@5237:   while (iter.has_next()) {
sla@5237:     GCPhase* phase = iter.next();
sla@5237:     phase->accept(&phase_reporter);
sla@5237:   }
sla@5237: }