| /* |
| * Copyright (c) 2012, 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_IMPLEMENTATION_SHARED_GCTRACE_HPP |
| #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP |
| |
| #include "gc_interface/gcCause.hpp" |
| #include "gc_interface/gcName.hpp" |
| #include "gc_implementation/shared/gcWhen.hpp" |
| #include "gc_implementation/shared/promotionFailedInfo.hpp" |
| #include "memory/allocation.hpp" |
| #include "memory/referenceType.hpp" |
| #ifndef SERIALGC |
| #include "gc_implementation/g1/g1YCTypes.hpp" |
| #endif |
| |
| typedef uint GCId; |
| |
| class GCHeapSummary; |
| class PermGenSummary; |
| class PSHeapSummary; |
| class ReferenceProcessorStats; |
| class TimePartitions; |
| |
| class SharedGCInfo VALUE_OBJ_CLASS_SPEC { |
| static const jlong UNSET_TIMESTAMP = -1; |
| |
| public: |
| static const GCId UNSET_GCID = (GCId)-1; |
| |
| private: |
| GCId _id; |
| GCName _name; |
| GCCause::Cause _cause; |
| jlong _start_timestamp; |
| jlong _end_timestamp; |
| jlong _sum_of_pauses; |
| jlong _longest_pause; |
| |
| public: |
| SharedGCInfo(GCName name) : _id(UNSET_GCID), _name(name), _cause(GCCause::_last_gc_cause), |
| _start_timestamp(UNSET_TIMESTAMP), _end_timestamp(UNSET_TIMESTAMP), _sum_of_pauses(0), _longest_pause(0) {} |
| |
| void set_id(GCId id) { _id = id; } |
| GCId id() const { return _id; } |
| |
| void set_start_timestamp(jlong timestamp) { _start_timestamp = timestamp; } |
| jlong start_timestamp() const { return _start_timestamp; } |
| |
| void set_end_timestamp(jlong timestamp) { _end_timestamp = timestamp; } |
| jlong 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(jlong duration) { _sum_of_pauses = duration; } |
| jlong sum_of_pauses() const { return _sum_of_pauses; } |
| |
| void set_longest_pause(jlong duration) { _longest_pause = duration; } |
| jlong 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; } |
| }; |
| |
| #ifndef SERIALGC |
| |
| 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 // SERIALGC |
| |
| class GCTracer : public ResourceObj { |
| protected: |
| SharedGCInfo _shared_gc_info; |
| |
| public: |
| void report_gc_start(GCCause::Cause cause, jlong timestamp); |
| void report_gc_end(jlong timestamp, TimePartitions* time_partitions); |
| void report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary, const PermGenSummary& perm_gen_summary) const; |
| void report_gc_reference_stats(const ReferenceProcessorStats& rp) const; |
| |
| bool has_reported_gc_start() const; |
| |
| protected: |
| GCTracer(GCName name) : _shared_gc_info(name) {} |
| virtual void report_gc_start_impl(GCCause::Cause cause, jlong timestamp); |
| virtual void report_gc_end_impl(jlong 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_perm_gen_summary_event(GCWhen::Type when, const PermGenSummary& perm_gen_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 { |
| protected: |
| YoungGCTracer(GCName name) : GCTracer(name) {} |
| |
| public: |
| virtual void report_promotion_failed(const PromotionFailedInfo& pf_info); |
| |
| protected: |
| virtual void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions); |
| |
| private: |
| void send_young_gc_event() const; |
| void send_promotion_failed_event(const PromotionFailedInfo& pf_info) const; |
| }; |
| |
| class OldGCTracer : public GCTracer { |
| protected: |
| OldGCTracer(GCName name) : GCTracer(name) {} |
| |
| protected: |
| virtual void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions); |
| |
| private: |
| void send_old_gc_event() const; |
| }; |
| |
| 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(jlong 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) {} |
| }; |
| |
| #ifndef SERIALGC |
| class G1NewTracer : public YoungGCTracer { |
| G1YoungGCInfo _g1_young_gc_info; |
| |
| public: |
| G1NewTracer() : YoungGCTracer(G1New) {} |
| |
| void report_yc_type(G1YCType type); |
| void report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions); |
| |
| private: |
| void send_g1_young_gc_event(); |
| }; |
| #endif |
| |
| class CMSTracer : public OldGCTracer { |
| public: |
| CMSTracer() : OldGCTracer(ConcurrentMarkSweep) {} |
| }; |
| |
| class G1OldTracer : public OldGCTracer { |
| public: |
| G1OldTracer() : OldGCTracer(G1Old) {} |
| }; |
| |
| #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP |