jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/g1/g1GCPhaseTimes.hpp@c04f46b4abe4 (annotated)

src/share/vm/gc_implementation/g1/g1GCPhaseTimes.hpp@c04f46b4abe4 (annotated)

src/share/vm/gc_implementation/g1/g1GCPhaseTimes.hpp

Tue, 31 Mar 2015 11:36:37 +0200

author: tschatzl
date: Tue, 31 Mar 2015 11:36:37 +0200
changeset 7673: c04f46b4abe4
parent 7660: 3ca53859c3c7
child 7828: cbc7c4c9e11c
permissions: -rw-r--r--

8068036: assert(is_available(index)) failed in G1 cset
Summary: Some verification code iterated over the heap using the region mapping array. This is not allowed. Changed to use the regular iteration method with closure.
Reviewed-by: jwilhelm, brutisso

 /*
  * Copyright (c) 2013, 2014 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_G1_G1GCPHASETIMESLOG_HPP
 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP
 #include "memory/allocation.hpp"
 class LineBuffer;
 template <class T> class WorkerDataArray;
 class G1GCPhaseTimes : public CHeapObj<mtGC> {
   friend class G1GCParPhasePrinter;
   uint _active_gc_threads;
   uint _max_gc_threads;
  public:
   enum GCParPhases {
     GCWorkerStart,
     ExtRootScan,
     ThreadRoots,
     StringTableRoots,
     UniverseRoots,
     JNIRoots,
     ObjectSynchronizerRoots,
     FlatProfilerRoots,
     ManagementRoots,
     SystemDictionaryRoots,
     CLDGRoots,
     JVMTIRoots,
     CodeCacheRoots,
     CMRefRoots,
     WaitForStrongCLD,
     WeakCLDRoots,
     SATBFiltering,
     UpdateRS,
     ScanRS,
     CodeRoots,
     ObjCopy,
     Termination,
     Other,
     GCWorkerTotal,
     GCWorkerEnd,
     StringDedupQueueFixup,
     StringDedupTableFixup,
     RedirtyCards,
     GCParPhasesSentinel
   };
  private:
   // Markers for grouping the phases in the GCPhases enum above
   static const int GCMainParPhasesLast = GCWorkerEnd;
   static const int StringDedupPhasesFirst = StringDedupQueueFixup;
   static const int StringDedupPhasesLast = StringDedupTableFixup;
   WorkerDataArray<double>* _gc_par_phases[GCParPhasesSentinel];
   WorkerDataArray<size_t>* _update_rs_processed_buffers;
   WorkerDataArray<size_t>* _termination_attempts;
   WorkerDataArray<size_t>* _redirtied_cards;
   double _cur_collection_par_time_ms;
   double _cur_collection_code_root_fixup_time_ms;
   double _cur_strong_code_root_purge_time_ms;
   double _cur_evac_fail_recalc_used;
   double _cur_evac_fail_restore_remsets;
   double _cur_evac_fail_remove_self_forwards;
   double _cur_string_dedup_fixup_time_ms;
   double _cur_clear_ct_time_ms;
   double _cur_ref_proc_time_ms;
   double _cur_ref_enq_time_ms;
   double _cur_collection_start_sec;
   double _root_region_scan_wait_time_ms;
   double _recorded_young_cset_choice_time_ms;
   double _recorded_non_young_cset_choice_time_ms;
   double _recorded_redirty_logged_cards_time_ms;
   double _recorded_young_free_cset_time_ms;
   double _recorded_non_young_free_cset_time_ms;
   double _cur_fast_reclaim_humongous_time_ms;
   size_t _cur_fast_reclaim_humongous_total;
   size_t _cur_fast_reclaim_humongous_candidates;
   size_t _cur_fast_reclaim_humongous_reclaimed;
   double _cur_verify_before_time_ms;
   double _cur_verify_after_time_ms;
   // Helper methods for detailed logging
   void print_stats(int level, const char* str, double value);
   void print_stats(int level, const char* str, size_t value);
   void print_stats(int level, const char* str, double value, uint workers);
  public:
   G1GCPhaseTimes(uint max_gc_threads);
   void note_gc_start(uint active_gc_threads, bool mark_in_progress);
   void note_gc_end();
   void print(double pause_time_sec);
   // record the time a phase took in seconds
   void record_time_secs(GCParPhases phase, uint worker_i, double secs);
   // add a number of seconds to a phase
   void add_time_secs(GCParPhases phase, uint worker_i, double secs);
   void record_thread_work_item(GCParPhases phase, uint worker_i, size_t count);
   // return the average time for a phase in milliseconds
   double average_time_ms(GCParPhases phase);
   size_t sum_thread_work_items(GCParPhases phase);
  private:
   double get_time_ms(GCParPhases phase, uint worker_i);
   double sum_time_ms(GCParPhases phase);
   double min_time_ms(GCParPhases phase);
   double max_time_ms(GCParPhases phase);
   size_t get_thread_work_item(GCParPhases phase, uint worker_i);
   double average_thread_work_items(GCParPhases phase);
   size_t min_thread_work_items(GCParPhases phase);
   size_t max_thread_work_items(GCParPhases phase);
  public:
   void record_clear_ct_time(double ms) {
     _cur_clear_ct_time_ms = ms;
   }
   void record_par_time(double ms) {
     _cur_collection_par_time_ms = ms;
   }
   void record_code_root_fixup_time(double ms) {
     _cur_collection_code_root_fixup_time_ms = ms;
   }
   void record_strong_code_root_purge_time(double ms) {
     _cur_strong_code_root_purge_time_ms = ms;
   }
   void record_evac_fail_recalc_used_time(double ms) {
     _cur_evac_fail_recalc_used = ms;
   }
   void record_evac_fail_restore_remsets(double ms) {
     _cur_evac_fail_restore_remsets = ms;
   }
   void record_evac_fail_remove_self_forwards(double ms) {
     _cur_evac_fail_remove_self_forwards = ms;
   }
   void record_string_dedup_fixup_time(double ms) {
     _cur_string_dedup_fixup_time_ms = ms;
   }
   void record_ref_proc_time(double ms) {
     _cur_ref_proc_time_ms = ms;
   }
   void record_ref_enq_time(double ms) {
     _cur_ref_enq_time_ms = ms;
   }
   void record_root_region_scan_wait_time(double time_ms) {
     _root_region_scan_wait_time_ms = time_ms;
   }
   void record_young_free_cset_time_ms(double time_ms) {
     _recorded_young_free_cset_time_ms = time_ms;
   }
   void record_non_young_free_cset_time_ms(double time_ms) {
     _recorded_non_young_free_cset_time_ms = time_ms;
   }
   void record_fast_reclaim_humongous_stats(size_t total, size_t candidates) {
     _cur_fast_reclaim_humongous_total = total;
     _cur_fast_reclaim_humongous_candidates = candidates;
   }
   void record_fast_reclaim_humongous_time_ms(double value, size_t reclaimed) {
     _cur_fast_reclaim_humongous_time_ms = value;
     _cur_fast_reclaim_humongous_reclaimed = reclaimed;
   }
   void record_young_cset_choice_time_ms(double time_ms) {
     _recorded_young_cset_choice_time_ms = time_ms;
   }
   void record_non_young_cset_choice_time_ms(double time_ms) {
     _recorded_non_young_cset_choice_time_ms = time_ms;
   }
   void record_redirty_logged_cards_time_ms(double time_ms) {
     _recorded_redirty_logged_cards_time_ms = time_ms;
   }
   void record_cur_collection_start_sec(double time_ms) {
     _cur_collection_start_sec = time_ms;
   }
   void record_verify_before_time_ms(double time_ms) {
     _cur_verify_before_time_ms = time_ms;
   }
   void record_verify_after_time_ms(double time_ms) {
     _cur_verify_after_time_ms = time_ms;
   }
   double accounted_time_ms();
   double cur_collection_start_sec() {
     return _cur_collection_start_sec;
   }
   double cur_collection_par_time_ms() {
     return _cur_collection_par_time_ms;
   }
   double cur_clear_ct_time_ms() {
     return _cur_clear_ct_time_ms;
   }
   double root_region_scan_wait_time_ms() {
     return _root_region_scan_wait_time_ms;
   }
   double young_cset_choice_time_ms() {
     return _recorded_young_cset_choice_time_ms;
   }
   double young_free_cset_time_ms() {
     return _recorded_young_free_cset_time_ms;
   }
   double non_young_cset_choice_time_ms() {
     return _recorded_non_young_cset_choice_time_ms;
   }
   double non_young_free_cset_time_ms() {
     return _recorded_non_young_free_cset_time_ms;
   }
   double fast_reclaim_humongous_time_ms() {
     return _cur_fast_reclaim_humongous_time_ms;
   }
 };
 class G1GCParPhaseTimesTracker : public StackObj {
   double _start_time;
   G1GCPhaseTimes::GCParPhases _phase;
   G1GCPhaseTimes* _phase_times;
   uint _worker_id;
 public:
   G1GCParPhaseTimesTracker(G1GCPhaseTimes* phase_times, G1GCPhaseTimes::GCParPhases phase, uint worker_id);
   ~G1GCParPhaseTimesTracker();
 };
 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/gc_implementation/g1/g1GCPhaseTimes.hpp@c04f46b4abe4 (annotated)

src/share/vm/gc_implementation/g1/g1GCPhaseTimes.hpp