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8005849: JEP 167: Event-Based JVM Tracing
Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com> Co-authored-by: Bengt Rutisson <bengt.rutisson@oracle.com> Co-authored-by: Calvin Cheung <calvin.cheung@oracle.com> Co-authored-by: Erik Gahlin <erik.gahlin@oracle.com> Co-authored-by: Erik Helin <erik.helin@oracle.com> Co-authored-by: Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com> Co-authored-by: Keith McGuigan <keith.mcguigan@oracle.com> Co-authored-by: Mattias Tobiasson <mattias.tobiasson@oracle.com> Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com> Co-authored-by: Mikael Auno <mikael.auno@oracle.com> Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com> Co-authored-by: Nils Loodin <nils.loodin@oracle.com> Co-authored-by: Rickard Backman <rickard.backman@oracle.com> Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com> Co-authored-by: Yekaterina Kantserova <yekaterina.kantserova@oracle.com> Reviewed-by: acorn, coleenp, sla
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Staffan Larsen
parent
6b2c468c35
commit
718f3252f6
195 changed files with 7628 additions and 1484 deletions
255
hotspot/src/share/vm/gc_implementation/shared/gcTrace.hpp
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hotspot/src/share/vm/gc_implementation/shared/gcTrace.hpp
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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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#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP
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#define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP
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#include "gc_interface/gcCause.hpp"
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#include "gc_interface/gcName.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 "memory/allocation.hpp"
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#include "memory/klassInfoClosure.hpp"
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#include "memory/referenceType.hpp"
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#if INCLUDE_ALL_GCS
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#include "gc_implementation/g1/g1YCTypes.hpp"
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#endif
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#include "utilities/macros.hpp"
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typedef uint GCId;
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class EvacuationInfo;
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class GCHeapSummary;
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class MetaspaceSummary;
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class PSHeapSummary;
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class ReferenceProcessorStats;
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class TimePartitions;
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class BoolObjectClosure;
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class SharedGCInfo VALUE_OBJ_CLASS_SPEC {
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static const jlong UNSET_TIMESTAMP = -1;
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public:
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static const GCId UNSET_GCID = (GCId)-1;
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private:
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GCId _id;
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GCName _name;
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GCCause::Cause _cause;
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jlong _start_timestamp;
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jlong _end_timestamp;
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jlong _sum_of_pauses;
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jlong _longest_pause;
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public:
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SharedGCInfo(GCName name) : _id(UNSET_GCID), _name(name), _cause(GCCause::_last_gc_cause),
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_start_timestamp(UNSET_TIMESTAMP), _end_timestamp(UNSET_TIMESTAMP), _sum_of_pauses(0), _longest_pause(0) {}
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void set_id(GCId id) { _id = id; }
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GCId id() const { return _id; }
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void set_start_timestamp(jlong timestamp) { _start_timestamp = timestamp; }
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jlong start_timestamp() const { return _start_timestamp; }
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void set_end_timestamp(jlong timestamp) { _end_timestamp = timestamp; }
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jlong end_timestamp() const { return _end_timestamp; }
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void set_name(GCName name) { _name = name; }
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GCName name() const { return _name; }
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void set_cause(GCCause::Cause cause) { _cause = cause; }
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GCCause::Cause cause() const { return _cause; }
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void set_sum_of_pauses(jlong duration) { _sum_of_pauses = duration; }
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jlong sum_of_pauses() const { return _sum_of_pauses; }
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void set_longest_pause(jlong duration) { _longest_pause = duration; }
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jlong longest_pause() const { return _longest_pause; }
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};
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class ParallelOldGCInfo VALUE_OBJ_CLASS_SPEC {
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void* _dense_prefix;
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public:
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ParallelOldGCInfo() : _dense_prefix(NULL) {}
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void report_dense_prefix(void* addr) {
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_dense_prefix = addr;
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}
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void* dense_prefix() const { return _dense_prefix; }
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};
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#if INCLUDE_ALL_GCS
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class G1YoungGCInfo VALUE_OBJ_CLASS_SPEC {
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G1YCType _type;
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public:
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G1YoungGCInfo() : _type(G1YCTypeEndSentinel) {}
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void set_type(G1YCType type) {
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_type = type;
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}
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G1YCType type() const { return _type; }
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};
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#endif // INCLUDE_ALL_GCS
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class GCTracer : public ResourceObj {
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friend class ObjectCountEventSenderClosure;
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protected:
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SharedGCInfo _shared_gc_info;
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public:
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void report_gc_start(GCCause::Cause cause, jlong timestamp);
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void report_gc_end(jlong timestamp, TimePartitions* time_partitions);
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void report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary, const MetaspaceSummary& meta_space_summary) const;
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void report_gc_reference_stats(const ReferenceProcessorStats& rp) const;
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void report_object_count_after_gc(BoolObjectClosure* object_filter) NOT_SERVICES_RETURN;
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bool has_reported_gc_start() const;
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protected:
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GCTracer(GCName name) : _shared_gc_info(name) {}
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virtual void report_gc_start_impl(GCCause::Cause cause, jlong timestamp);
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virtual void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions);
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private:
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void send_garbage_collection_event() const;
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void send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
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void send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const;
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void send_reference_stats_event(ReferenceType type, size_t count) const;
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void send_phase_events(TimePartitions* time_partitions) const;
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void send_object_count_after_gc_event(Klass* klass, jlong count, julong total_size) const NOT_SERVICES_RETURN;
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bool should_send_object_count_after_gc_event() const;
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};
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class ObjectCountEventSenderClosure : public KlassInfoClosure {
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GCTracer* _gc_tracer;
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const double _size_threshold_percentage;
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const size_t _total_size_in_words;
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public:
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ObjectCountEventSenderClosure(GCTracer* gc_tracer, size_t total_size_in_words) :
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_gc_tracer(gc_tracer),
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_size_threshold_percentage(ObjectCountCutOffPercent / 100),
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_total_size_in_words(total_size_in_words)
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{}
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virtual void do_cinfo(KlassInfoEntry* entry);
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protected:
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virtual void send_event(KlassInfoEntry* entry);
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private:
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bool should_send_event(KlassInfoEntry* entry) const;
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};
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class YoungGCTracer : public GCTracer {
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static const uint UNSET_TENURING_THRESHOLD = (uint) -1;
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uint _tenuring_threshold;
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protected:
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YoungGCTracer(GCName name) : GCTracer(name), _tenuring_threshold(UNSET_TENURING_THRESHOLD) {}
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virtual void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions);
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public:
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void report_promotion_failed(const PromotionFailedInfo& pf_info);
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void report_tenuring_threshold(const uint tenuring_threshold);
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private:
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void send_young_gc_event() const;
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void send_promotion_failed_event(const PromotionFailedInfo& pf_info) const;
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};
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class OldGCTracer : public GCTracer {
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protected:
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OldGCTracer(GCName name) : GCTracer(name) {}
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virtual void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions);
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public:
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void report_concurrent_mode_failure();
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private:
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void send_old_gc_event() const;
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void send_concurrent_mode_failure_event();
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};
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class ParallelOldTracer : public OldGCTracer {
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ParallelOldGCInfo _parallel_old_gc_info;
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public:
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ParallelOldTracer() : OldGCTracer(ParallelOld) {}
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void report_dense_prefix(void* dense_prefix);
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protected:
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void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions);
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private:
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void send_parallel_old_event() const;
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};
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class SerialOldTracer : public OldGCTracer {
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public:
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SerialOldTracer() : OldGCTracer(SerialOld) {}
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};
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class ParallelScavengeTracer : public YoungGCTracer {
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public:
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ParallelScavengeTracer() : YoungGCTracer(ParallelScavenge) {}
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};
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class DefNewTracer : public YoungGCTracer {
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public:
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DefNewTracer() : YoungGCTracer(DefNew) {}
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};
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class ParNewTracer : public YoungGCTracer {
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public:
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ParNewTracer() : YoungGCTracer(ParNew) {}
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};
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#if INCLUDE_ALL_GCS
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class G1NewTracer : public YoungGCTracer {
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G1YoungGCInfo _g1_young_gc_info;
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public:
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G1NewTracer() : YoungGCTracer(G1New) {}
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void report_yc_type(G1YCType type);
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void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions);
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void report_evacuation_info(EvacuationInfo* info);
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void report_evacuation_failed(EvacuationFailedInfo& ef_info);
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private:
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void send_g1_young_gc_event();
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void send_evacuation_info_event(EvacuationInfo* info);
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void send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const;
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};
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#endif
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class CMSTracer : public OldGCTracer {
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public:
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CMSTracer() : OldGCTracer(ConcurrentMarkSweep) {}
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};
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class G1OldTracer : public OldGCTracer {
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public:
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G1OldTracer() : OldGCTracer(G1Old) {}
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};
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#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP
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