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