src/hotspot/share/gc/shared/gcTraceSend.cpp
author egahlin
Tue, 15 May 2018 20:24:34 +0200
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permissions -rw-r--r--
8199712: Flight Recorder Reviewed-by: coleenp, ihse, erikj, dsamersoff, mseledtsov, egahlin, mgronlun Contributed-by: erik.gahlin@oracle.com, markus.gronlund@oracle.com
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/*
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 * Copyright (c) 2012, 2017, 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/shared/copyFailedInfo.hpp"
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#include "gc/shared/gcHeapSummary.hpp"
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#include "gc/shared/gcTimer.hpp"
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#include "gc/shared/gcTrace.hpp"
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#include "gc/shared/gcWhen.hpp"
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#include "jfr/jfrEvents.hpp"
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#include "runtime/os.hpp"
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#include "utilities/macros.hpp"
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#if INCLUDE_G1GC
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#include "gc/g1/evacuationInfo.hpp"
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#include "gc/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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  EventGarbageCollection event(UNTIMED);
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  if (event.should_commit()) {
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    event.set_gcId(GCId::current());
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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(GCId::current());
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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(GCId::current());
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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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  EventParallelOldGarbageCollection e(UNTIMED);
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  if (e.should_commit()) {
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    e.set_gcId(GCId::current());
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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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  EventYoungGarbageCollection e(UNTIMED);
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  if (e.should_commit()) {
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    e.set_gcId(GCId::current());
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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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bool YoungGCTracer::should_send_promotion_in_new_plab_event() const {
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  return EventPromoteObjectInNewPLAB::is_enabled();
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}
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bool YoungGCTracer::should_send_promotion_outside_plab_event() const {
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  return EventPromoteObjectOutsidePLAB::is_enabled();
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}
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void YoungGCTracer::send_promotion_in_new_plab_event(Klass* klass, size_t obj_size,
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                                                     uint age, bool tenured,
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                                                     size_t plab_size) const {
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  EventPromoteObjectInNewPLAB event;
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  if (event.should_commit()) {
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    event.set_gcId(GCId::current());
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    event.set_objectClass(klass);
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    event.set_objectSize(obj_size);
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    event.set_tenured(tenured);
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    event.set_tenuringAge(age);
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    event.set_plabSize(plab_size);
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    event.commit();
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  }
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}
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void YoungGCTracer::send_promotion_outside_plab_event(Klass* klass, size_t obj_size,
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                                                      uint age, bool tenured) const {
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  EventPromoteObjectOutsidePLAB event;
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  if (event.should_commit()) {
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    event.set_gcId(GCId::current());
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    event.set_objectClass(klass);
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    event.set_objectSize(obj_size);
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    event.set_tenured(tenured);
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    event.set_tenuringAge(age);
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    event.commit();
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  }
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}
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void OldGCTracer::send_old_gc_event() const {
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  EventOldGarbageCollection e(UNTIMED);
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  if (e.should_commit()) {
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    e.set_gcId(GCId::current());
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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 JfrStructCopyFailed to_struct(const CopyFailedInfo& cf_info) {
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  JfrStructCopyFailed 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(GCId::current());
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    e.set_promotionFailed(to_struct(pf_info));
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    e.set_thread(pf_info.thread_trace_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(GCId::current());
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    e.commit();
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  }
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}
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#if INCLUDE_G1GC
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void G1NewTracer::send_g1_young_gc_event() {
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  EventG1GarbageCollection e(UNTIMED);
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  if (e.should_commit()) {
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    e.set_gcId(GCId::current());
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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 G1MMUTracer::send_g1_mmu_event(double time_slice_ms, double gc_time_ms, double max_time_ms) {
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  EventG1MMU e;
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  if (e.should_commit()) {
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    e.set_gcId(GCId::current());
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    e.set_timeSlice(time_slice_ms);
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    e.set_gcTime(gc_time_ms);
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    e.set_pauseTarget(max_time_ms);
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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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  EventEvacuationInformation e;
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  if (e.should_commit()) {
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    e.set_gcId(GCId::current());
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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_allocationRegionsUsedBefore(info->alloc_regions_used_before());
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    e.set_allocationRegionsUsedAfter(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(GCId::current());
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    e.set_evacuationFailed(to_struct(ef_info));
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    e.commit();
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  }
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}
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static JfrStructG1EvacuationStatistics
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create_g1_evacstats(unsigned gcid, const G1EvacSummary& summary) {
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  JfrStructG1EvacuationStatistics s;
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  s.set_gcId(gcid);
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  s.set_allocated(summary.allocated() * HeapWordSize);
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  s.set_wasted(summary.wasted() * HeapWordSize);
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  s.set_used(summary.used() * HeapWordSize);
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  s.set_undoWaste(summary.undo_wasted() * HeapWordSize);
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  s.set_regionEndWaste(summary.region_end_waste() * HeapWordSize);
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  s.set_regionsRefilled(summary.regions_filled());
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  s.set_directAllocated(summary.direct_allocated() * HeapWordSize);
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  s.set_failureUsed(summary.failure_used() * HeapWordSize);
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  s.set_failureWaste(summary.failure_waste() * HeapWordSize);
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  return s;
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}
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void G1NewTracer::send_young_evacuation_statistics(const G1EvacSummary& summary) const {
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  EventG1EvacuationYoungStatistics surv_evt;
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  if (surv_evt.should_commit()) {
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    surv_evt.set_statistics(create_g1_evacstats(GCId::current(), summary));
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    surv_evt.commit();
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  }
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}
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void G1NewTracer::send_old_evacuation_statistics(const G1EvacSummary& summary) const {
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  EventG1EvacuationOldStatistics old_evt;
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  if (old_evt.should_commit()) {
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    old_evt.set_statistics(create_g1_evacstats(GCId::current(), summary));
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    old_evt.commit();
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  }
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}
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void G1NewTracer::send_basic_ihop_statistics(size_t threshold,
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                                             size_t target_occupancy,
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                                             size_t current_occupancy,
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                                             size_t last_allocation_size,
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                                             double last_allocation_duration,
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                                             double last_marking_length) {
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  EventG1BasicIHOP evt;
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  if (evt.should_commit()) {
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    evt.set_gcId(GCId::current());
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    evt.set_threshold(threshold);
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    evt.set_targetOccupancy(target_occupancy);
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    evt.set_thresholdPercentage(target_occupancy > 0 ? ((double)threshold / target_occupancy) : 0.0);
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    evt.set_currentOccupancy(current_occupancy);
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    evt.set_recentMutatorAllocationSize(last_allocation_size);
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    evt.set_recentMutatorDuration(last_allocation_duration * MILLIUNITS);
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    evt.set_recentAllocationRate(last_allocation_duration != 0.0 ? last_allocation_size / last_allocation_duration : 0.0);
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    evt.set_lastMarkingDuration(last_marking_length * MILLIUNITS);
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    evt.commit();
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  }
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}
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void G1NewTracer::send_adaptive_ihop_statistics(size_t threshold,
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                                                size_t internal_target_occupancy,
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                                                size_t current_occupancy,
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                                                size_t additional_buffer_size,
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                                                double predicted_allocation_rate,
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                                                double predicted_marking_length,
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                                                bool prediction_active) {
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  EventG1AdaptiveIHOP evt;
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  if (evt.should_commit()) {
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    evt.set_gcId(GCId::current());
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    evt.set_threshold(threshold);
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    evt.set_thresholdPercentage(internal_target_occupancy > 0 ? ((double)threshold / internal_target_occupancy) : 0.0);
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    evt.set_ihopTargetOccupancy(internal_target_occupancy);
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    evt.set_currentOccupancy(current_occupancy);
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    evt.set_additionalBufferSize(additional_buffer_size);
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    evt.set_predictedAllocationRate(predicted_allocation_rate);
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    evt.set_predictedMarkingDuration(predicted_marking_length * MILLIUNITS);
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    evt.set_predictionActive(prediction_active);
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    evt.commit();
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  }
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}
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#endif // INCLUDE_G1GC
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static JfrStructVirtualSpace to_struct(const VirtualSpaceSummary& summary) {
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  JfrStructVirtualSpace 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 JfrStructObjectSpace to_struct(const SpaceSummary& summary) {
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  JfrStructObjectSpace 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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  GCWhen::Type _when;
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 public:
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  GCHeapSummaryEventSender(GCWhen::Type when) : _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(GCId::current());
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      e.set_when((u1)_when);
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      e.set_heapSpace(to_struct(heap_space));
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      e.set_heapUsed(heap_summary->used());
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      e.commit();
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   348
    }
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  }
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   350
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  void visit(const G1HeapSummary* g1_heap_summary) const {
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   352
    visit((GCHeapSummary*)g1_heap_summary);
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   353
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   354
    EventG1HeapSummary e;
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   355
    if (e.should_commit()) {
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   356
      e.set_gcId(GCId::current());
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   357
      e.set_when((u1)_when);
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   358
      e.set_edenUsedSize(g1_heap_summary->edenUsed());
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   359
      e.set_edenTotalSize(g1_heap_summary->edenCapacity());
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   360
      e.set_survivorUsedSize(g1_heap_summary->survivorUsed());
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   361
      e.set_numberOfRegions(g1_heap_summary->numberOfRegions());
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   362
      e.commit();
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   363
    }
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   364
  }
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diff changeset
   365
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  void visit(const PSHeapSummary* ps_heap_summary) const {
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   367
    visit((GCHeapSummary*)ps_heap_summary);
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   368
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   369
    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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   371
    const VirtualSpaceSummary& young_summary = ps_heap_summary->young();
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   372
    const SpaceSummary& eden_space = ps_heap_summary->eden();
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   373
    const SpaceSummary& from_space = ps_heap_summary->from();
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   374
    const SpaceSummary& to_space = ps_heap_summary->to();
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   375
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   376
    EventPSHeapSummary e;
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   377
    if (e.should_commit()) {
33107
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   378
      e.set_gcId(GCId::current());
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   379
      e.set_when((u1)_when);
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   380
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   381
      e.set_oldSpace(to_struct(ps_heap_summary->old()));
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   382
      e.set_oldObjectSpace(to_struct(ps_heap_summary->old_space()));
caf115bb98ad 8199712: Flight Recorder
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diff changeset
   383
      e.set_youngSpace(to_struct(ps_heap_summary->young()));
caf115bb98ad 8199712: Flight Recorder
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diff changeset
   384
      e.set_edenSpace(to_struct(ps_heap_summary->eden()));
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diff changeset
   385
      e.set_fromSpace(to_struct(ps_heap_summary->from()));
caf115bb98ad 8199712: Flight Recorder
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diff changeset
   386
      e.set_toSpace(to_struct(ps_heap_summary->to()));
18025
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   387
      e.commit();
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diff changeset
   388
    }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
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diff changeset
   389
  }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
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diff changeset
   390
};
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diff changeset
   391
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
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   392
void GCTracer::send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const {
33107
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diff changeset
   393
  GCHeapSummaryEventSender visitor(when);
18025
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   394
  heap_summary.accept(&visitor);
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diff changeset
   395
}
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
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diff changeset
   396
50113
caf115bb98ad 8199712: Flight Recorder
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diff changeset
   397
static JfrStructMetaspaceSizes to_struct(const MetaspaceSizes& sizes) {
caf115bb98ad 8199712: Flight Recorder
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diff changeset
   398
  JfrStructMetaspaceSizes meta_sizes;
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   399
23853
3e1633ff6996 8035667: EventMetaspaceSummary doesn't report committed Metaspace memory
ehelin
parents: 23470
diff changeset
   400
  meta_sizes.set_committed(sizes.committed());
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
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diff changeset
   401
  meta_sizes.set_used(sizes.used());
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
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diff changeset
   402
  meta_sizes.set_reserved(sizes.reserved());
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   403
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
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diff changeset
   404
  return meta_sizes;
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   405
}
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   406
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
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diff changeset
   407
void GCTracer::send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const {
21767
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mgronlun
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diff changeset
   408
  EventMetaspaceSummary e;
18025
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sla
parents:
diff changeset
   409
  if (e.should_commit()) {
33107
77bf0d2069a3 8134953: Make the GC ID available in a central place
brutisso
parents: 32380
diff changeset
   410
    e.set_gcId(GCId::current());
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
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diff changeset
   411
    e.set_when((u1) when);
23464
ae470a2efd44 8036696: Add metaspace gc threshold to metaspace summary trace event
ehelin
parents: 21767
diff changeset
   412
    e.set_gcThreshold(meta_space_summary.capacity_until_GC());
50113
caf115bb98ad 8199712: Flight Recorder
egahlin
parents: 49982
diff changeset
   413
    e.set_metaspace(to_struct(meta_space_summary.meta_space()));
caf115bb98ad 8199712: Flight Recorder
egahlin
parents: 49982
diff changeset
   414
    e.set_dataSpace(to_struct(meta_space_summary.data_space()));
caf115bb98ad 8199712: Flight Recorder
egahlin
parents: 49982
diff changeset
   415
    e.set_classSpace(to_struct(meta_space_summary.class_space()));
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
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diff changeset
   416
    e.commit();
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sla
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diff changeset
   417
  }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
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diff changeset
   418
}
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   419
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
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diff changeset
   420
class PhaseSender : public PhaseVisitor {
35204
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
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diff changeset
   421
  void visit_pause(GCPhase* phase) {
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
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diff changeset
   422
    assert(phase->level() < PhasesStack::PHASE_LEVELS, "Need more event types for PausePhase");
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
parents: 35196
diff changeset
   423
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
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diff changeset
   424
    switch (phase->level()) {
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
parents: 35196
diff changeset
   425
      case 0: send_phase<EventGCPhasePause>(phase); break;
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
parents: 35196
diff changeset
   426
      case 1: send_phase<EventGCPhasePauseLevel1>(phase); break;
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
parents: 35196
diff changeset
   427
      case 2: send_phase<EventGCPhasePauseLevel2>(phase); break;
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
parents: 35196
diff changeset
   428
      case 3: send_phase<EventGCPhasePauseLevel3>(phase); break;
46795
623a5e42deb6 8173335: Improve logging for j.l.ref.reference processing
sangheki
parents: 41076
diff changeset
   429
      case 4: send_phase<EventGCPhasePauseLevel4>(phase); break;
35204
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
parents: 35196
diff changeset
   430
      default: /* Ignore sending this phase */ break;
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
parents: 35196
diff changeset
   431
    }
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
parents: 35196
diff changeset
   432
  }
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
parents: 35196
diff changeset
   433
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
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diff changeset
   434
  void visit_concurrent(GCPhase* phase) {
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
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   435
    assert(phase->level() < 1, "There is only one level for ConcurrentPhase");
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
parents: 35196
diff changeset
   436
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
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diff changeset
   437
    switch (phase->level()) {
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
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diff changeset
   438
      case 0: send_phase<EventGCPhaseConcurrent>(phase); break;
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
parents: 35196
diff changeset
   439
      default: /* Ignore sending this phase */ break;
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
parents: 35196
diff changeset
   440
    }
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
parents: 35196
diff changeset
   441
  }
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
parents: 35196
diff changeset
   442
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b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   443
 public:
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   444
  template<typename T>
35204
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
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diff changeset
   445
  void send_phase(GCPhase* phase) {
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
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parents:
diff changeset
   446
    T event(UNTIMED);
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   447
    if (event.should_commit()) {
33107
77bf0d2069a3 8134953: Make the GC ID available in a central place
brutisso
parents: 32380
diff changeset
   448
      event.set_gcId(GCId::current());
35204
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
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diff changeset
   449
      event.set_name(phase->name());
78a0fd90a70f 8068394: Trace event for concurrent GC phases
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diff changeset
   450
      event.set_starttime(phase->start());
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
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diff changeset
   451
      event.set_endtime(phase->end());
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   452
      event.commit();
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   453
    }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   454
  }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   455
35204
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
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diff changeset
   456
  void visit(GCPhase* phase) {
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
parents: 35196
diff changeset
   457
    if (phase->type() == GCPhase::PausePhaseType) {
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
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diff changeset
   458
      visit_pause(phase);
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
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diff changeset
   459
    } else {
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
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diff changeset
   460
      assert(phase->type() == GCPhase::ConcurrentPhaseType, "Should be ConcurrentPhaseType");
78a0fd90a70f 8068394: Trace event for concurrent GC phases
sangheki
parents: 35196
diff changeset
   461
      visit_concurrent(phase);
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
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parents:
diff changeset
   462
    }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   463
  }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   464
};
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   465
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   466
void GCTracer::send_phase_events(TimePartitions* time_partitions) const {
33107
77bf0d2069a3 8134953: Make the GC ID available in a central place
brutisso
parents: 32380
diff changeset
   467
  PhaseSender phase_reporter;
18025
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
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parents:
diff changeset
   468
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   469
  TimePartitionPhasesIterator iter(time_partitions);
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   470
  while (iter.has_next()) {
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   471
    GCPhase* phase = iter.next();
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   472
    phase->accept(&phase_reporter);
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   473
  }
b7bcf7497f93 8005849: JEP 167: Event-Based JVM Tracing
sla
parents:
diff changeset
   474
}