aoqi@0: /*
aoqi@0:  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP
aoqi@0: #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP
aoqi@0: 
aoqi@0: #include "gc_interface/gcCause.hpp"
aoqi@0: #include "gc_interface/gcName.hpp"
aoqi@0: #include "gc_implementation/shared/gcWhen.hpp"
aoqi@0: #include "gc_implementation/shared/copyFailedInfo.hpp"
aoqi@0: #include "memory/allocation.hpp"
aoqi@0: #include "memory/metaspace.hpp"
aoqi@0: #include "memory/referenceType.hpp"
aoqi@0: #if INCLUDE_ALL_GCS
aoqi@0: #include "gc_implementation/g1/g1YCTypes.hpp"
aoqi@0: #endif
aoqi@0: #include "utilities/macros.hpp"
aoqi@0: #include "utilities/ticks.hpp"
aoqi@0: 
aoqi@0: typedef uint GCId;
aoqi@0: 
aoqi@0: class EvacuationInfo;
aoqi@0: class GCHeapSummary;
aoqi@0: class MetaspaceChunkFreeListSummary;
aoqi@0: class MetaspaceSummary;
aoqi@0: class PSHeapSummary;
aoqi@0: class ReferenceProcessorStats;
aoqi@0: class TimePartitions;
aoqi@0: class BoolObjectClosure;
aoqi@0: 
aoqi@0: class SharedGCInfo VALUE_OBJ_CLASS_SPEC {
aoqi@0:  public:
aoqi@0:   static const GCId UNSET_GCID = (GCId)-1;
aoqi@0: 
aoqi@0:  private:
aoqi@0:   GCId _id;
aoqi@0:   GCName _name;
aoqi@0:   GCCause::Cause _cause;
aoqi@0:   Ticks     _start_timestamp;
aoqi@0:   Ticks     _end_timestamp;
aoqi@0:   Tickspan  _sum_of_pauses;
aoqi@0:   Tickspan  _longest_pause;
aoqi@0: 
aoqi@0:  public:
aoqi@0:   SharedGCInfo(GCName name) :
aoqi@0:     _id(UNSET_GCID),
aoqi@0:     _name(name),
aoqi@0:     _cause(GCCause::_last_gc_cause),
aoqi@0:     _start_timestamp(),
aoqi@0:     _end_timestamp(),
aoqi@0:     _sum_of_pauses(),
aoqi@0:     _longest_pause() {
aoqi@0:   }
aoqi@0: 
aoqi@0:   void set_id(GCId id) { _id = id; }
aoqi@0:   GCId id() const { return _id; }
aoqi@0: 
aoqi@0:   void set_start_timestamp(const Ticks& timestamp) { _start_timestamp = timestamp; }
aoqi@0:   const Ticks start_timestamp() const { return _start_timestamp; }
aoqi@0: 
aoqi@0:   void set_end_timestamp(const Ticks& timestamp) { _end_timestamp = timestamp; }
aoqi@0:   const Ticks end_timestamp() const { return _end_timestamp; }
aoqi@0: 
aoqi@0:   void set_name(GCName name) { _name = name; }
aoqi@0:   GCName name() const { return _name; }
aoqi@0: 
aoqi@0:   void set_cause(GCCause::Cause cause) { _cause = cause; }
aoqi@0:   GCCause::Cause cause() const { return _cause; }
aoqi@0: 
aoqi@0:   void set_sum_of_pauses(const Tickspan& duration) { _sum_of_pauses = duration; }
aoqi@0:   const Tickspan sum_of_pauses() const { return _sum_of_pauses; }
aoqi@0: 
aoqi@0:   void set_longest_pause(const Tickspan& duration) { _longest_pause = duration; }
aoqi@0:   const Tickspan longest_pause() const { return _longest_pause; }
aoqi@0: };
aoqi@0: 
aoqi@0: class ParallelOldGCInfo VALUE_OBJ_CLASS_SPEC {
aoqi@0:   void* _dense_prefix;
aoqi@0:  public:
aoqi@0:   ParallelOldGCInfo() : _dense_prefix(NULL) {}
aoqi@0:   void report_dense_prefix(void* addr) {
aoqi@0:     _dense_prefix = addr;
aoqi@0:   }
aoqi@0:   void* dense_prefix() const { return _dense_prefix; }
aoqi@0: };
aoqi@0: 
aoqi@0: #if INCLUDE_ALL_GCS
aoqi@0: 
aoqi@0: class G1YoungGCInfo VALUE_OBJ_CLASS_SPEC {
aoqi@0:   G1YCType _type;
aoqi@0:  public:
aoqi@0:   G1YoungGCInfo() : _type(G1YCTypeEndSentinel) {}
aoqi@0:   void set_type(G1YCType type) {
aoqi@0:     _type = type;
aoqi@0:   }
aoqi@0:   G1YCType type() const { return _type; }
aoqi@0: };
aoqi@0: 
aoqi@0: #endif // INCLUDE_ALL_GCS
aoqi@0: 
aoqi@0: class GCTracer : public ResourceObj {
aoqi@0:  protected:
aoqi@0:   SharedGCInfo _shared_gc_info;
aoqi@0: 
aoqi@0:  public:
aoqi@0:   void report_gc_start(GCCause::Cause cause, const Ticks& timestamp);
aoqi@0:   void report_gc_end(const Ticks& timestamp, TimePartitions* time_partitions);
aoqi@0:   void report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
aoqi@0:   void report_metaspace_summary(GCWhen::Type when, const MetaspaceSummary& metaspace_summary) const;
aoqi@0:   void report_gc_reference_stats(const ReferenceProcessorStats& rp) const;
aoqi@0:   void report_object_count_after_gc(BoolObjectClosure* object_filter) NOT_SERVICES_RETURN;
aoqi@0:   bool has_reported_gc_start() const;
aoqi@0: 
aoqi@0:  protected:
aoqi@0:   GCTracer(GCName name) : _shared_gc_info(name) {}
aoqi@0:   virtual void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp);
aoqi@0:   virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
aoqi@0: 
aoqi@0:  private:
aoqi@0:   void send_garbage_collection_event() const;
aoqi@0:   void send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
aoqi@0:   void send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const;
aoqi@0:   void send_metaspace_chunk_free_list_summary(GCWhen::Type when, Metaspace::MetadataType mdtype, const MetaspaceChunkFreeListSummary& summary) const;
aoqi@0:   void send_reference_stats_event(ReferenceType type, size_t count) const;
aoqi@0:   void send_phase_events(TimePartitions* time_partitions) const;
aoqi@0: };
aoqi@0: 
aoqi@0: class YoungGCTracer : public GCTracer {
aoqi@0:   static const uint UNSET_TENURING_THRESHOLD = (uint) -1;
aoqi@0: 
aoqi@0:   uint _tenuring_threshold;
aoqi@0: 
aoqi@0:  protected:
aoqi@0:   YoungGCTracer(GCName name) : GCTracer(name), _tenuring_threshold(UNSET_TENURING_THRESHOLD) {}
aoqi@0:   virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
aoqi@0: 
aoqi@0:  public:
aoqi@0:   void report_promotion_failed(const PromotionFailedInfo& pf_info);
aoqi@0:   void report_tenuring_threshold(const uint tenuring_threshold);
aoqi@0: 
aoqi@0:  private:
aoqi@0:   void send_young_gc_event() const;
aoqi@0:   void send_promotion_failed_event(const PromotionFailedInfo& pf_info) const;
aoqi@0: };
aoqi@0: 
aoqi@0: class OldGCTracer : public GCTracer {
aoqi@0:  protected:
aoqi@0:   OldGCTracer(GCName name) : GCTracer(name) {}
aoqi@0:   virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
aoqi@0: 
aoqi@0:  public:
aoqi@0:   void report_concurrent_mode_failure();
aoqi@0: 
aoqi@0:  private:
aoqi@0:   void send_old_gc_event() const;
aoqi@0:   void send_concurrent_mode_failure_event();
aoqi@0: };
aoqi@0: 
aoqi@0: class ParallelOldTracer : public OldGCTracer {
aoqi@0:   ParallelOldGCInfo _parallel_old_gc_info;
aoqi@0: 
aoqi@0:  public:
aoqi@0:   ParallelOldTracer() : OldGCTracer(ParallelOld) {}
aoqi@0:   void report_dense_prefix(void* dense_prefix);
aoqi@0: 
aoqi@0:  protected:
aoqi@0:   void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
aoqi@0: 
aoqi@0:  private:
aoqi@0:   void send_parallel_old_event() const;
aoqi@0: };
aoqi@0: 
aoqi@0: class SerialOldTracer : public OldGCTracer {
aoqi@0:  public:
aoqi@0:   SerialOldTracer() : OldGCTracer(SerialOld) {}
aoqi@0: };
aoqi@0: 
aoqi@0: class ParallelScavengeTracer : public YoungGCTracer {
aoqi@0:  public:
aoqi@0:   ParallelScavengeTracer() : YoungGCTracer(ParallelScavenge) {}
aoqi@0: };
aoqi@0: 
aoqi@0: class DefNewTracer : public YoungGCTracer {
aoqi@0:  public:
aoqi@0:   DefNewTracer() : YoungGCTracer(DefNew) {}
aoqi@0: };
aoqi@0: 
aoqi@0: class ParNewTracer : public YoungGCTracer {
aoqi@0:  public:
aoqi@0:   ParNewTracer() : YoungGCTracer(ParNew) {}
aoqi@0: };
aoqi@0: 
aoqi@0: #if INCLUDE_ALL_GCS
aoqi@0: class G1NewTracer : public YoungGCTracer {
aoqi@0:   G1YoungGCInfo _g1_young_gc_info;
aoqi@0: 
aoqi@0:  public:
aoqi@0:   G1NewTracer() : YoungGCTracer(G1New) {}
aoqi@0: 
aoqi@0:   void report_yc_type(G1YCType type);
aoqi@0:   void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
aoqi@0:   void report_evacuation_info(EvacuationInfo* info);
aoqi@0:   void report_evacuation_failed(EvacuationFailedInfo& ef_info);
aoqi@0: 
aoqi@0:  private:
aoqi@0:   void send_g1_young_gc_event();
aoqi@0:   void send_evacuation_info_event(EvacuationInfo* info);
aoqi@0:   void send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const;
aoqi@0: };
aoqi@0: #endif
aoqi@0: 
aoqi@0: class CMSTracer : public OldGCTracer {
aoqi@0:  public:
aoqi@0:   CMSTracer() : OldGCTracer(ConcurrentMarkSweep) {}
aoqi@0: };
aoqi@0: 
aoqi@0: class G1OldTracer : public OldGCTracer {
aoqi@0:  public:
aoqi@0:   G1OldTracer() : OldGCTracer(G1Old) {}
aoqi@0: };
aoqi@0: 
aoqi@0: #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP