1 /*
   2  * Copyright (c) 2013, 2014 Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP
  26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP
  27 
  28 #include "memory/allocation.hpp"

  29 
  30 class LineBuffer;















  31 
  32 template <class T> class WorkerDataArray;




























































  33 
  34 class G1GCPhaseTimes : public CHeapObj<mtGC> {
  35   friend class G1GCParPhasePrinter;
  36 

  37   uint _active_gc_threads;
  38   uint _max_gc_threads;
  39 
  40  public:
  41   enum GCParPhases {
  42     GCWorkerStart,
  43     ExtRootScan,
  44     SATBFiltering,
  45     UpdateRS,
  46     ScanRS,
  47     CodeRoots,
  48     ObjCopy,
  49     Termination,
  50     Other,
  51     GCWorkerTotal,
  52     GCWorkerEnd,
  53     StringDedupQueueFixup,
  54     StringDedupTableFixup,
  55     RedirtyCards,
  56     GCParPhasesSentinel
  57   };
  58 
  59  private:
  60   // Markers for grouping the phases in the GCPhases enum above
  61   static const int GCMainParPhasesLast = GCWorkerEnd;
  62   static const int StringDedupPhasesFirst = StringDedupQueueFixup;
  63   static const int StringDedupPhasesLast = StringDedupTableFixup;
  64 
  65   WorkerDataArray<double>* _gc_par_phases[GCParPhasesSentinel];
  66   WorkerDataArray<size_t>* _update_rs_processed_buffers;
  67   WorkerDataArray<size_t>* _termination_attempts;
  68   WorkerDataArray<size_t>* _redirtied_cards;
  69 
  70   double _cur_collection_par_time_ms;
  71   double _cur_collection_code_root_fixup_time_ms;
  72   double _cur_strong_code_root_purge_time_ms;
  73 
  74   double _cur_evac_fail_recalc_used;
  75   double _cur_evac_fail_restore_remsets;
  76   double _cur_evac_fail_remove_self_forwards;
  77 
  78   double _cur_string_dedup_fixup_time_ms;


  79 
  80   double _cur_clear_ct_time_ms;
  81   double _cur_ref_proc_time_ms;
  82   double _cur_ref_enq_time_ms;
  83 
  84   double _cur_collection_start_sec;
  85   double _root_region_scan_wait_time_ms;
  86 
  87   double _recorded_young_cset_choice_time_ms;
  88   double _recorded_non_young_cset_choice_time_ms;
  89 


  90   double _recorded_redirty_logged_cards_time_ms;
  91 
  92   double _recorded_young_free_cset_time_ms;
  93   double _recorded_non_young_free_cset_time_ms;
  94 
  95   double _cur_fast_reclaim_humongous_time_ms;
  96   double _cur_fast_reclaim_humongous_register_time_ms;
  97   size_t _cur_fast_reclaim_humongous_total;
  98   size_t _cur_fast_reclaim_humongous_candidates;
  99   size_t _cur_fast_reclaim_humongous_reclaimed;
 100 
 101   double _cur_verify_before_time_ms;
 102   double _cur_verify_after_time_ms;
 103 
 104   // Helper methods for detailed logging
 105   void print_stats(int level, const char* str, double value);
 106   void print_stats(int level, const char* str, size_t value);
 107   void print_stats(int level, const char* str, double value, uint workers);
 108 
 109  public:
 110   G1GCPhaseTimes(uint max_gc_threads);
 111   void note_gc_start(uint active_gc_threads, bool mark_in_progress);
 112   void note_gc_end();
 113   void print(double pause_time_sec);
 114 
 115   // record the time a phase took in seconds
 116   void record_time_secs(GCParPhases phase, uint worker_i, double secs);

















 117 
 118   // add a number of seconds to a phase
 119   void add_time_secs(GCParPhases phase, uint worker_i, double secs);

 120 
 121   void record_sub_count(GCParPhases phase, uint worker_i, size_t count);


 122 
 123   // return the average time for a phase in milliseconds
 124   double average_time_ms(GCParPhases phase);

 125 
 126   size_t sub_count_sum(GCParPhases phase);


 127 
 128  private:
 129   double get_time_ms(GCParPhases phase, uint worker_i);
 130   double sum_time_ms(GCParPhases phase);
 131   double min_time_ms(GCParPhases phase);
 132   double max_time_ms(GCParPhases phase);
 133   size_t get_sub_count(GCParPhases phase, uint worker_i);
 134   size_t sum_sub_count(GCParPhases phase);
 135   double average_sub_count(GCParPhases phase);
 136   size_t min_sub_count(GCParPhases phase);
 137   size_t max_sub_count(GCParPhases phase);
 138 
 139  public:


 140 
 141   void record_clear_ct_time(double ms) {
 142     _cur_clear_ct_time_ms = ms;
 143   }
 144 
 145   void record_par_time(double ms) {
 146     _cur_collection_par_time_ms = ms;
 147   }
 148 
 149   void record_code_root_fixup_time(double ms) {
 150     _cur_collection_code_root_fixup_time_ms = ms;
 151   }
 152 
 153   void record_strong_code_root_purge_time(double ms) {
 154     _cur_strong_code_root_purge_time_ms = ms;
 155   }
 156 
 157   void record_evac_fail_recalc_used_time(double ms) {
 158     _cur_evac_fail_recalc_used = ms;
 159   }
 160 
 161   void record_evac_fail_restore_remsets(double ms) {
 162     _cur_evac_fail_restore_remsets = ms;
 163   }
 164 
 165   void record_evac_fail_remove_self_forwards(double ms) {
 166     _cur_evac_fail_remove_self_forwards = ms;
 167   }
 168 



 169   void record_string_dedup_fixup_time(double ms) {
 170     _cur_string_dedup_fixup_time_ms = ms;
 171   }
 172 








 173   void record_ref_proc_time(double ms) {
 174     _cur_ref_proc_time_ms = ms;
 175   }
 176 
 177   void record_ref_enq_time(double ms) {
 178     _cur_ref_enq_time_ms = ms;
 179   }
 180 
 181   void record_root_region_scan_wait_time(double time_ms) {
 182     _root_region_scan_wait_time_ms = time_ms;
 183   }
 184 
 185   void record_young_free_cset_time_ms(double time_ms) {
 186     _recorded_young_free_cset_time_ms = time_ms;
 187   }
 188 
 189   void record_non_young_free_cset_time_ms(double time_ms) {
 190     _recorded_non_young_free_cset_time_ms = time_ms;
 191   }
 192 
 193   void record_fast_reclaim_humongous_stats(double time_ms, size_t total, size_t candidates) {
 194     _cur_fast_reclaim_humongous_register_time_ms = time_ms;
 195     _cur_fast_reclaim_humongous_total = total;
 196     _cur_fast_reclaim_humongous_candidates = candidates;
 197   }
 198 
 199   void record_fast_reclaim_humongous_time_ms(double value, size_t reclaimed) {
 200     _cur_fast_reclaim_humongous_time_ms = value;
 201     _cur_fast_reclaim_humongous_reclaimed = reclaimed;
 202   }
 203 
 204   void record_young_cset_choice_time_ms(double time_ms) {
 205     _recorded_young_cset_choice_time_ms = time_ms;
 206   }
 207 
 208   void record_non_young_cset_choice_time_ms(double time_ms) {
 209     _recorded_non_young_cset_choice_time_ms = time_ms;
 210   }
 211 








 212   void record_redirty_logged_cards_time_ms(double time_ms) {
 213     _recorded_redirty_logged_cards_time_ms = time_ms;
 214   }
 215 
 216   void record_cur_collection_start_sec(double time_ms) {
 217     _cur_collection_start_sec = time_ms;
 218   }
 219 
 220   void record_verify_before_time_ms(double time_ms) {
 221     _cur_verify_before_time_ms = time_ms;
 222   }
 223 
 224   void record_verify_after_time_ms(double time_ms) {
 225     _cur_verify_after_time_ms = time_ms;
 226   }
 227 
 228   double accounted_time_ms();
 229 
 230   double cur_collection_start_sec() {
 231     return _cur_collection_start_sec;
 232   }
 233 
 234   double cur_collection_par_time_ms() {
 235     return _cur_collection_par_time_ms;
 236   }
 237 
 238   double cur_clear_ct_time_ms() {
 239     return _cur_clear_ct_time_ms;
 240   }
 241 
 242   double root_region_scan_wait_time_ms() {
 243     return _root_region_scan_wait_time_ms;
 244   }
 245 
 246   double young_cset_choice_time_ms() {
 247     return _recorded_young_cset_choice_time_ms;
 248   }
 249 
 250   double young_free_cset_time_ms() {
 251     return _recorded_young_free_cset_time_ms;
 252   }
 253 
 254   double non_young_cset_choice_time_ms() {
 255     return _recorded_non_young_cset_choice_time_ms;
 256   }
 257 
 258   double non_young_free_cset_time_ms() {
 259     return _recorded_non_young_free_cset_time_ms;
 260   }
 261 
 262   double fast_reclaim_humongous_time_ms() {
 263     return _cur_fast_reclaim_humongous_time_ms;
 264   }
 265 };
 266 
 267 class G1GCParPhaseTimesTracker : public StackObj {
 268   double _start_time;
 269   G1GCPhaseTimes::GCParPhases _phase;
 270   G1GCPhaseTimes* _phase_times;
 271   uint _worker_id;
 272 public:
 273   G1GCParPhaseTimesTracker(G1GCPhaseTimes* phase_times, G1GCPhaseTimes::GCParPhases phase, uint worker_id);
 274   ~G1GCParPhaseTimesTracker();























 275 };
 276 
 277 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP
--- EOF ---