author | ehelin |
Wed, 26 Mar 2014 14:15:02 +0100 | |
changeset 23853 | 3e1633ff6996 |
parent 23470 | ff2a7ea4225d |
child 25350 | 6423a57e5451 |
permissions | -rw-r--r-- |
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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 "runtime/os.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 GCTracer::send_metaspace_chunk_free_list_summary(GCWhen::Type when, Metaspace::MetadataType mdtype, |
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const MetaspaceChunkFreeListSummary& summary) const { |
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EventMetaspaceChunkFreeListSummary 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(when); |
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e.set_metadataType(mdtype); |
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e.set_specializedChunks(summary.num_specialized_chunks()); |
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e.set_specializedChunksTotalSize(summary.specialized_chunks_size_in_bytes()); |
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e.set_smallChunks(summary.num_small_chunks()); |
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e.set_smallChunksTotalSize(summary.small_chunks_size_in_bytes()); |
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e.set_mediumChunks(summary.num_medium_chunks()); |
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e.set_mediumChunksTotalSize(summary.medium_chunks_size_in_bytes()); |
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e.set_humongousChunks(summary.num_humongous_chunks()); |
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e.set_humongousChunksTotalSize(summary.humongous_chunks_size_in_bytes()); |
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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_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_committed(sizes.committed()); |
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meta_sizes.set_used(sizes.used()); |
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meta_sizes.set_reserved(sizes.reserved()); |
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264 |
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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_gcThreshold(meta_space_summary.capacity_until_GC()); |
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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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282 |
GCId _gc_id; |
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283 |
public: |
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284 |
PhaseSender(GCId gc_id) : _gc_id(gc_id) {} |
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286 |
template<typename T> |
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287 |
void send_phase(PausePhase* pause) { |
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288 |
T event(UNTIMED); |
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289 |
if (event.should_commit()) { |
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290 |
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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300 |
void visit(PausePhase* pause) { |
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301 |
assert(PhasesStack::PHASE_LEVELS == 5, "Need more event types"); |
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switch (pause->level()) { |
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304 |
case 0: send_phase<EventGCPhasePause>(pause); break; |
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305 |
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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310 |
} |
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311 |
}; |
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void GCTracer::send_phase_events(TimePartitions* time_partitions) const { |
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314 |
PhaseSender phase_reporter(_shared_gc_info.id()); |
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315 |
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316 |
TimePartitionPhasesIterator iter(time_partitions); |
|
317 |
while (iter.has_next()) { |
|
318 |
GCPhase* phase = iter.next(); |
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319 |
phase->accept(&phase_reporter); |
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320 |
} |
|
321 |
} |