sla@5237: /*
sla@5237:  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
sla@5237:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
sla@5237:  *
sla@5237:  * This code is free software; you can redistribute it and/or modify it
sla@5237:  * under the terms of the GNU General Public License version 2 only, as
sla@5237:  * published by the Free Software Foundation.
sla@5237:  *
sla@5237:  * This code is distributed in the hope that it will be useful, but WITHOUT
sla@5237:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
sla@5237:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
sla@5237:  * version 2 for more details (a copy is included in the LICENSE file that
sla@5237:  * accompanied this code).
sla@5237:  *
sla@5237:  * You should have received a copy of the GNU General Public License version
sla@5237:  * 2 along with this work; if not, write to the Free Software Foundation,
sla@5237:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
sla@5237:  *
sla@5237:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
sla@5237:  * or visit www.oracle.com if you need additional information or have any
sla@5237:  * questions.
sla@5237:  *
sla@5237:  */
sla@5237: 
sla@5237: #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP
sla@5237: #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP
sla@5237: 
sla@5237: #include "gc_interface/gcCause.hpp"
sla@5237: #include "gc_interface/gcName.hpp"
brutisso@6904: #include "gc_implementation/shared/gcId.hpp"
sla@5237: #include "gc_implementation/shared/gcWhen.hpp"
sla@5237: #include "gc_implementation/shared/copyFailedInfo.hpp"
sla@5237: #include "memory/allocation.hpp"
ehelin@6420: #include "memory/metaspace.hpp"
sla@5237: #include "memory/referenceType.hpp"
sla@5237: #if INCLUDE_ALL_GCS
sla@5237: #include "gc_implementation/g1/g1YCTypes.hpp"
sla@5237: #endif
sla@5237: #include "utilities/macros.hpp"
mgronlun@6131: #include "utilities/ticks.hpp"
sla@5237: 
sla@5237: 
sla@5237: class EvacuationInfo;
sla@5237: class GCHeapSummary;
ehelin@6420: class MetaspaceChunkFreeListSummary;
sla@5237: class MetaspaceSummary;
sla@5237: class PSHeapSummary;
sla@5237: class ReferenceProcessorStats;
sla@5237: class TimePartitions;
sla@5237: class BoolObjectClosure;
sla@5237: 
sla@5237: class SharedGCInfo VALUE_OBJ_CLASS_SPEC {
sla@5237:  private:
brutisso@6904:   GCId _gc_id;
sla@5237:   GCName _name;
sla@5237:   GCCause::Cause _cause;
mgronlun@6131:   Ticks     _start_timestamp;
mgronlun@6131:   Ticks     _end_timestamp;
mgronlun@6131:   Tickspan  _sum_of_pauses;
mgronlun@6131:   Tickspan  _longest_pause;
sla@5237: 
sla@5237:  public:
mgronlun@6131:   SharedGCInfo(GCName name) :
brutisso@6904:     _gc_id(GCId::undefined()),
mgronlun@6131:     _name(name),
mgronlun@6131:     _cause(GCCause::_last_gc_cause),
mgronlun@6131:     _start_timestamp(),
mgronlun@6131:     _end_timestamp(),
mgronlun@6131:     _sum_of_pauses(),
mgronlun@6131:     _longest_pause() {
mgronlun@6131:   }
sla@5237: 
brutisso@6904:   void set_gc_id(GCId gc_id) { _gc_id = gc_id; }
brutisso@6904:   const GCId& gc_id() const { return _gc_id; }
sla@5237: 
mgronlun@6131:   void set_start_timestamp(const Ticks& timestamp) { _start_timestamp = timestamp; }
mgronlun@6131:   const Ticks start_timestamp() const { return _start_timestamp; }
sla@5237: 
mgronlun@6131:   void set_end_timestamp(const Ticks& timestamp) { _end_timestamp = timestamp; }
mgronlun@6131:   const Ticks end_timestamp() const { return _end_timestamp; }
sla@5237: 
sla@5237:   void set_name(GCName name) { _name = name; }
sla@5237:   GCName name() const { return _name; }
sla@5237: 
sla@5237:   void set_cause(GCCause::Cause cause) { _cause = cause; }
sla@5237:   GCCause::Cause cause() const { return _cause; }
sla@5237: 
mgronlun@6131:   void set_sum_of_pauses(const Tickspan& duration) { _sum_of_pauses = duration; }
mgronlun@6131:   const Tickspan sum_of_pauses() const { return _sum_of_pauses; }
sla@5237: 
mgronlun@6131:   void set_longest_pause(const Tickspan& duration) { _longest_pause = duration; }
mgronlun@6131:   const Tickspan longest_pause() const { return _longest_pause; }
sla@5237: };
sla@5237: 
sla@5237: class ParallelOldGCInfo VALUE_OBJ_CLASS_SPEC {
sla@5237:   void* _dense_prefix;
sla@5237:  public:
sla@5237:   ParallelOldGCInfo() : _dense_prefix(NULL) {}
sla@5237:   void report_dense_prefix(void* addr) {
sla@5237:     _dense_prefix = addr;
sla@5237:   }
sla@5237:   void* dense_prefix() const { return _dense_prefix; }
sla@5237: };
sla@5237: 
sla@5237: #if INCLUDE_ALL_GCS
sla@5237: 
sla@5237: class G1YoungGCInfo VALUE_OBJ_CLASS_SPEC {
sla@5237:   G1YCType _type;
sla@5237:  public:
sla@5237:   G1YoungGCInfo() : _type(G1YCTypeEndSentinel) {}
sla@5237:   void set_type(G1YCType type) {
sla@5237:     _type = type;
sla@5237:   }
sla@5237:   G1YCType type() const { return _type; }
sla@5237: };
sla@5237: 
sla@5237: #endif // INCLUDE_ALL_GCS
sla@5237: 
sla@5237: class GCTracer : public ResourceObj {
sla@5237:  protected:
sla@5237:   SharedGCInfo _shared_gc_info;
sla@5237: 
sla@5237:  public:
mgronlun@6131:   void report_gc_start(GCCause::Cause cause, const Ticks& timestamp);
mgronlun@6131:   void report_gc_end(const Ticks& timestamp, TimePartitions* time_partitions);
ehelin@6420:   void report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
ehelin@6420:   void report_metaspace_summary(GCWhen::Type when, const MetaspaceSummary& metaspace_summary) const;
sla@5237:   void report_gc_reference_stats(const ReferenceProcessorStats& rp) const;
sla@5237:   void report_object_count_after_gc(BoolObjectClosure* object_filter) NOT_SERVICES_RETURN;
sla@5237:   bool has_reported_gc_start() const;
brutisso@6904:   const GCId& gc_id() { return _shared_gc_info.gc_id(); }
sla@5237: 
sla@5237:  protected:
sla@5237:   GCTracer(GCName name) : _shared_gc_info(name) {}
brutisso@6904:   void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp);
mgronlun@6131:   virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
sla@5237: 
sla@5237:  private:
sla@5237:   void send_garbage_collection_event() const;
sla@5237:   void send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
sla@5237:   void send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const;
ehelin@6420:   void send_metaspace_chunk_free_list_summary(GCWhen::Type when, Metaspace::MetadataType mdtype, const MetaspaceChunkFreeListSummary& summary) const;
sla@5237:   void send_reference_stats_event(ReferenceType type, size_t count) const;
sla@5237:   void send_phase_events(TimePartitions* time_partitions) const;
sla@5237: };
sla@5237: 
sla@5237: class YoungGCTracer : public GCTracer {
sla@5237:   static const uint UNSET_TENURING_THRESHOLD = (uint) -1;
sla@5237: 
sla@5237:   uint _tenuring_threshold;
sla@5237: 
sla@5237:  protected:
sla@5237:   YoungGCTracer(GCName name) : GCTracer(name), _tenuring_threshold(UNSET_TENURING_THRESHOLD) {}
mgronlun@6131:   virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
sla@5237: 
sla@5237:  public:
sla@5237:   void report_promotion_failed(const PromotionFailedInfo& pf_info);
sla@5237:   void report_tenuring_threshold(const uint tenuring_threshold);
sla@5237: 
sla@5237:  private:
sla@5237:   void send_young_gc_event() const;
sla@5237:   void send_promotion_failed_event(const PromotionFailedInfo& pf_info) const;
sla@5237: };
sla@5237: 
sla@5237: class OldGCTracer : public GCTracer {
sla@5237:  protected:
sla@5237:   OldGCTracer(GCName name) : GCTracer(name) {}
mgronlun@6131:   virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
sla@5237: 
sla@5237:  public:
sla@5237:   void report_concurrent_mode_failure();
sla@5237: 
sla@5237:  private:
sla@5237:   void send_old_gc_event() const;
sla@5237:   void send_concurrent_mode_failure_event();
sla@5237: };
sla@5237: 
sla@5237: class ParallelOldTracer : public OldGCTracer {
sla@5237:   ParallelOldGCInfo _parallel_old_gc_info;
sla@5237: 
sla@5237:  public:
sla@5237:   ParallelOldTracer() : OldGCTracer(ParallelOld) {}
sla@5237:   void report_dense_prefix(void* dense_prefix);
sla@5237: 
sla@5237:  protected:
mgronlun@6131:   void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
sla@5237: 
sla@5237:  private:
sla@5237:   void send_parallel_old_event() const;
sla@5237: };
sla@5237: 
sla@5237: class SerialOldTracer : public OldGCTracer {
sla@5237:  public:
sla@5237:   SerialOldTracer() : OldGCTracer(SerialOld) {}
sla@5237: };
sla@5237: 
sla@5237: class ParallelScavengeTracer : public YoungGCTracer {
sla@5237:  public:
sla@5237:   ParallelScavengeTracer() : YoungGCTracer(ParallelScavenge) {}
sla@5237: };
sla@5237: 
sla@5237: class DefNewTracer : public YoungGCTracer {
sla@5237:  public:
sla@5237:   DefNewTracer() : YoungGCTracer(DefNew) {}
sla@5237: };
sla@5237: 
sla@5237: class ParNewTracer : public YoungGCTracer {
sla@5237:  public:
sla@5237:   ParNewTracer() : YoungGCTracer(ParNew) {}
sla@5237: };
sla@5237: 
sla@5237: #if INCLUDE_ALL_GCS
sla@5237: class G1NewTracer : public YoungGCTracer {
sla@5237:   G1YoungGCInfo _g1_young_gc_info;
sla@5237: 
sla@5237:  public:
sla@5237:   G1NewTracer() : YoungGCTracer(G1New) {}
sla@5237: 
sla@5237:   void report_yc_type(G1YCType type);
mgronlun@6131:   void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
sla@5237:   void report_evacuation_info(EvacuationInfo* info);
sla@5237:   void report_evacuation_failed(EvacuationFailedInfo& ef_info);
sla@5237: 
sla@5237:  private:
sla@5237:   void send_g1_young_gc_event();
sla@5237:   void send_evacuation_info_event(EvacuationInfo* info);
sla@5237:   void send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const;
sla@5237: };
sla@5237: #endif
sla@5237: 
sla@5237: class CMSTracer : public OldGCTracer {
sla@5237:  public:
sla@5237:   CMSTracer() : OldGCTracer(ConcurrentMarkSweep) {}
sla@5237: };
sla@5237: 
sla@5237: class G1OldTracer : public OldGCTracer {
sla@5237:  public:
sla@5237:   G1OldTracer() : OldGCTracer(G1Old) {}
sla@5237: };
sla@5237: 
sla@5237: #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP