jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/shared/gcTrace.hpp@55a0da3d420b (annotated)

src/share/vm/gc_implementation/shared/gcTrace.hpp@55a0da3d420b (annotated)

src/share/vm/gc_implementation/shared/gcTrace.hpp

Tue, 26 Nov 2013 14:35:38 +0100

author: sjohanss
date: Tue, 26 Nov 2013 14:35:38 +0100
changeset 6148: 55a0da3d420b
parent 5386: 2cbc8f3011a0
child 6131: 86e6d691f2e1
permissions: -rw-r--r--

8027675: Full collections with Serial slower in JDK 8 compared to 7u40
Summary: Reduced the number of calls to follow_class_loader and instead marked and pushed the klass holder directly. Also removed unneeded calls to adjust_klass.
Reviewed-by: coleenp, jmasa, mgerdin, tschatzl

 /*
  * Copyright (c) 2012, 2013, 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/copyFailedInfo.hpp"
 #include "memory/allocation.hpp"
 #include "memory/referenceType.hpp"
 #if INCLUDE_ALL_GCS
 #include "gc_implementation/g1/g1YCTypes.hpp"
 #endif
 #include "utilities/macros.hpp"
 typedef uint GCId;
 class EvacuationInfo;
 class GCHeapSummary;
 class MetaspaceSummary;
 class PSHeapSummary;
 class ReferenceProcessorStats;
 class TimePartitions;
 class BoolObjectClosure;
 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; }
 };
 #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, jlong timestamp);
   void report_gc_end(jlong timestamp, TimePartitions* time_partitions);
   void report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary, const MetaspaceSummary& meta_space_summary) const;
   void report_gc_reference_stats(const ReferenceProcessorStats& rp) const;
   void report_object_count_after_gc(BoolObjectClosure* object_filter) NOT_SERVICES_RETURN;
   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_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_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(jlong timestamp, TimePartitions* time_partitions);
  public:
   void report_promotion_failed(const PromotionFailedInfo& pf_info);
   void report_tenuring_threshold(const uint tenuring_threshold);
  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) {}
   virtual void report_gc_end_impl(jlong 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(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) {}
 };
 #if INCLUDE_ALL_GCS
 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);
   void report_evacuation_info(EvacuationInfo* info);
   void report_evacuation_failed(EvacuationFailedInfo& ef_info);
  private:
   void send_g1_young_gc_event();
   void send_evacuation_info_event(EvacuationInfo* info);
   void send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const;
 };
 #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

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/gc_implementation/shared/gcTrace.hpp@55a0da3d420b (annotated)

src/share/vm/gc_implementation/shared/gcTrace.hpp