| /* |
| * Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_GC_SHARED_GCTRACE_HPP |
| #define SHARE_VM_GC_SHARED_GCTRACE_HPP |
| |
| #include "gc/shared/copyFailedInfo.hpp" |
| #include "gc/shared/gcCause.hpp" |
| #include "gc/shared/gcId.hpp" |
| #include "gc/shared/gcName.hpp" |
| #include "gc/shared/gcWhen.hpp" |
| #include "memory/allocation.hpp" |
| #include "memory/metaspace.hpp" |
| #include "memory/referenceType.hpp" |
| #include "utilities/macros.hpp" |
| #include "utilities/ticks.hpp" |
| #if INCLUDE_ALL_GCS |
| #include "gc/g1/g1YCTypes.hpp" |
| #endif |
| |
| class EvacuationInfo; |
| class GCHeapSummary; |
| class MetaspaceChunkFreeListSummary; |
| class MetaspaceSummary; |
| class PSHeapSummary; |
| class G1HeapSummary; |
| class G1EvacSummary; |
| class ReferenceProcessorStats; |
| class TimePartitions; |
| class BoolObjectClosure; |
| |
| class SharedGCInfo VALUE_OBJ_CLASS_SPEC { |
| private: |
| GCName _name; |
| GCCause::Cause _cause; |
| Ticks _start_timestamp; |
| Ticks _end_timestamp; |
| Tickspan _sum_of_pauses; |
| Tickspan _longest_pause; |
| |
| public: |
| SharedGCInfo(GCName name) : |
| _name(name), |
| _cause(GCCause::_last_gc_cause), |
| _start_timestamp(), |
| _end_timestamp(), |
| _sum_of_pauses(), |
| _longest_pause() { |
| } |
| |
| void set_start_timestamp(const Ticks& timestamp) { _start_timestamp = timestamp; } |
| const Ticks start_timestamp() const { return _start_timestamp; } |
| |
| void set_end_timestamp(const Ticks& timestamp) { _end_timestamp = timestamp; } |
| const Ticks end_timestamp() const { return _end_timestamp; } |
| |
| void set_name(GCName name) { _name = name; } |
| GCName name() const { return _name; } |
| |
| void set_cause(GCCause::Cause cause) { _cause = cause; } |
| GCCause::Cause cause() const { return _cause; } |
| |
| void set_sum_of_pauses(const Tickspan& duration) { _sum_of_pauses = duration; } |
| const Tickspan sum_of_pauses() const { return _sum_of_pauses; } |
| |
| void set_longest_pause(const Tickspan& duration) { _longest_pause = duration; } |
| const Tickspan longest_pause() const { return _longest_pause; } |
| }; |
| |
| class ParallelOldGCInfo VALUE_OBJ_CLASS_SPEC { |
| void* _dense_prefix; |
| public: |
| ParallelOldGCInfo() : _dense_prefix(NULL) {} |
| void report_dense_prefix(void* addr) { |
| _dense_prefix = addr; |
| } |
| void* dense_prefix() const { return _dense_prefix; } |
| }; |
| |
| #if INCLUDE_ALL_GCS |
| |
| class G1YoungGCInfo VALUE_OBJ_CLASS_SPEC { |
| G1YCType _type; |
| public: |
| G1YoungGCInfo() : _type(G1YCTypeEndSentinel) {} |
| void set_type(G1YCType type) { |
| _type = type; |
| } |
| G1YCType type() const { return _type; } |
| }; |
| |
| #endif // INCLUDE_ALL_GCS |
| |
| class GCTracer : public ResourceObj { |
| protected: |
| SharedGCInfo _shared_gc_info; |
| |
| public: |
| void report_gc_start(GCCause::Cause cause, const Ticks& timestamp); |
| void report_gc_end(const Ticks& timestamp, TimePartitions* time_partitions); |
| void report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary) const; |
| void report_metaspace_summary(GCWhen::Type when, const MetaspaceSummary& metaspace_summary) const; |
| void report_gc_reference_stats(const ReferenceProcessorStats& rp) const; |
| void report_object_count_after_gc(BoolObjectClosure* object_filter) NOT_SERVICES_RETURN; |
| |
| protected: |
| GCTracer(GCName name) : _shared_gc_info(name) {} |
| virtual void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp); |
| virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions); |
| |
| private: |
| void send_garbage_collection_event() const; |
| void send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const; |
| void send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const; |
| void send_metaspace_chunk_free_list_summary(GCWhen::Type when, Metaspace::MetadataType mdtype, const MetaspaceChunkFreeListSummary& summary) const; |
| void send_reference_stats_event(ReferenceType type, size_t count) const; |
| void send_phase_events(TimePartitions* time_partitions) const; |
| }; |
| |
| class YoungGCTracer : public GCTracer { |
| static const uint UNSET_TENURING_THRESHOLD = (uint) -1; |
| |
| uint _tenuring_threshold; |
| |
| protected: |
| YoungGCTracer(GCName name) : GCTracer(name), _tenuring_threshold(UNSET_TENURING_THRESHOLD) {} |
| virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions); |
| |
| public: |
| void report_promotion_failed(const PromotionFailedInfo& pf_info) const; |
| void report_tenuring_threshold(const uint tenuring_threshold); |
| |
| /* |
| * Methods for reporting Promotion in new or outside PLAB Events. |
| * |
| * The object age is always required as it is not certain that the mark word |
| * of the oop can be trusted at this stage. |
| * |
| * obj_size is the size of the promoted object in bytes. |
| * |
| * tenured should be true if the object has been promoted to the old |
| * space during this GC, if the object is copied to survivor space |
| * from young space or survivor space (aging) tenured should be false. |
| * |
| * plab_size is the size of the newly allocated PLAB in bytes. |
| */ |
| bool should_report_promotion_events() const; |
| bool should_report_promotion_in_new_plab_event() const; |
| bool should_report_promotion_outside_plab_event() const; |
| void report_promotion_in_new_plab_event(Klass* klass, size_t obj_size, |
| uint age, bool tenured, |
| size_t plab_size) const; |
| void report_promotion_outside_plab_event(Klass* klass, size_t obj_size, |
| uint age, bool tenured) const; |
| |
| private: |
| void send_young_gc_event() const; |
| void send_promotion_failed_event(const PromotionFailedInfo& pf_info) const; |
| bool should_send_promotion_in_new_plab_event() const; |
| bool should_send_promotion_outside_plab_event() const; |
| void send_promotion_in_new_plab_event(Klass* klass, size_t obj_size, |
| uint age, bool tenured, |
| size_t plab_size) const; |
| void send_promotion_outside_plab_event(Klass* klass, size_t obj_size, |
| uint age, bool tenured) const; |
| }; |
| |
| class OldGCTracer : public GCTracer { |
| protected: |
| OldGCTracer(GCName name) : GCTracer(name) {} |
| virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions); |
| |
| public: |
| void report_concurrent_mode_failure(); |
| |
| private: |
| void send_old_gc_event() const; |
| void send_concurrent_mode_failure_event(); |
| }; |
| |
| class ParallelOldTracer : public OldGCTracer { |
| ParallelOldGCInfo _parallel_old_gc_info; |
| |
| public: |
| ParallelOldTracer() : OldGCTracer(ParallelOld) {} |
| void report_dense_prefix(void* dense_prefix); |
| |
| protected: |
| void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions); |
| |
| private: |
| void send_parallel_old_event() const; |
| }; |
| |
| class SerialOldTracer : public OldGCTracer { |
| public: |
| SerialOldTracer() : OldGCTracer(SerialOld) {} |
| }; |
| |
| class ParallelScavengeTracer : public YoungGCTracer { |
| public: |
| ParallelScavengeTracer() : YoungGCTracer(ParallelScavenge) {} |
| }; |
| |
| class DefNewTracer : public YoungGCTracer { |
| public: |
| DefNewTracer() : YoungGCTracer(DefNew) {} |
| }; |
| |
| class ParNewTracer : public YoungGCTracer { |
| public: |
| ParNewTracer() : YoungGCTracer(ParNew) {} |
| }; |
| |
| #if INCLUDE_ALL_GCS |
| class G1MMUTracer : public AllStatic { |
| static void send_g1_mmu_event(double time_slice_ms, double gc_time_ms, double max_time_ms); |
| |
| public: |
| static void report_mmu(double time_slice_sec, double gc_time_sec, double max_time_sec); |
| }; |
| |
| class G1NewTracer : public YoungGCTracer { |
| G1YoungGCInfo _g1_young_gc_info; |
| |
| public: |
| G1NewTracer() : YoungGCTracer(G1New) {} |
| |
| void report_yc_type(G1YCType type); |
| void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions); |
| void report_evacuation_info(EvacuationInfo* info); |
| void report_evacuation_failed(EvacuationFailedInfo& ef_info); |
| |
| void report_evacuation_statistics(const G1EvacSummary& young_summary, const G1EvacSummary& old_summary) const; |
| |
| void report_basic_ihop_statistics(size_t threshold, |
| size_t target_occupancy, |
| size_t current_occupancy, |
| size_t last_allocation_size, |
| double last_allocation_duration, |
| double last_marking_length); |
| void report_adaptive_ihop_statistics(size_t threshold, |
| size_t internal_target_occupancy, |
| size_t current_occupancy, |
| size_t additional_buffer_size, |
| double predicted_allocation_rate, |
| double predicted_marking_length, |
| bool prediction_active); |
| private: |
| void send_g1_young_gc_event(); |
| void send_evacuation_info_event(EvacuationInfo* info); |
| void send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const; |
| |
| void send_young_evacuation_statistics(const G1EvacSummary& summary) const; |
| void send_old_evacuation_statistics(const G1EvacSummary& summary) const; |
| |
| void send_basic_ihop_statistics(size_t threshold, |
| size_t target_occupancy, |
| size_t current_occupancy, |
| size_t last_allocation_size, |
| double last_allocation_duration, |
| double last_marking_length); |
| void send_adaptive_ihop_statistics(size_t threshold, |
| size_t internal_target_occupancy, |
| size_t current_occupancy, |
| size_t additional_buffer_size, |
| double predicted_allocation_rate, |
| double predicted_marking_length, |
| bool prediction_active); |
| }; |
| #endif |
| |
| class CMSTracer : public OldGCTracer { |
| public: |
| CMSTracer() : OldGCTracer(ConcurrentMarkSweep) {} |
| }; |
| |
| class G1OldTracer : public OldGCTracer { |
| protected: |
| void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp); |
| public: |
| G1OldTracer() : OldGCTracer(G1Old) {} |
| void set_gc_cause(GCCause::Cause cause); |
| }; |
| |
| #endif // SHARE_VM_GC_SHARED_GCTRACE_HPP |