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src/hotspot/share/gc/g1/g1GCPhaseTimes.hpp

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rev 49680 : imported patch 6672778-partial-queue-trimming
rev 49682 : [mq]: 6672778-stefanj-review
rev 49683 : [mq]: 6672778-inconsistent-time-fixes
   1 /*
   2  * Copyright (c) 2013, 2017, 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_G1_G1GCPHASETIMES_HPP
  26 #define SHARE_VM_GC_G1_G1GCPHASETIMES_HPP
  27 
  28 #include "gc/shared/referenceProcessorPhaseTimes.hpp"
  29 #include "logging/logLevel.hpp"
  30 #include "memory/allocation.hpp"
  31 #include "utilities/macros.hpp"
  32 
  33 class LineBuffer;

  34 class STWGCTimer;
  35 
  36 template <class T> class WorkerDataArray;
  37 
  38 class G1GCPhaseTimes : public CHeapObj<mtGC> {
  39   uint _max_gc_threads;
  40   jlong _gc_start_counter;
  41   double _gc_pause_time_ms;
  42 
  43  public:
  44   enum GCParPhases {
  45     GCWorkerStart,
  46     ExtRootScan,
  47     ThreadRoots,
  48     StringTableRoots,
  49     UniverseRoots,
  50     JNIRoots,
  51     ObjectSynchronizerRoots,
  52     ManagementRoots,
  53     SystemDictionaryRoots,


 179   void debug_time_for_reference(const char* name, double value) const;
 180   void trace_time(const char* name, double value) const;
 181   void trace_count(const char* name, size_t value) const;
 182 
 183   double print_pre_evacuate_collection_set() const;
 184   double print_evacuate_collection_set() const;
 185   double print_post_evacuate_collection_set() const;
 186   void print_other(double accounted_ms) const;
 187 
 188  public:
 189   G1GCPhaseTimes(STWGCTimer* gc_timer, uint max_gc_threads);
 190   void note_gc_start();
 191   void print();
 192 
 193   // record the time a phase took in seconds
 194   void record_time_secs(GCParPhases phase, uint worker_i, double secs);
 195 
 196   // add a number of seconds to a phase
 197   void add_time_secs(GCParPhases phase, uint worker_i, double secs);
 198 


 199   void record_thread_work_item(GCParPhases phase, uint worker_i, size_t count, uint index = 0);
 200 
 201   // return the average time for a phase in milliseconds
 202   double average_time_ms(GCParPhases phase);
 203 
 204   size_t sum_thread_work_items(GCParPhases phase, uint index = 0);
 205 
 206  public:
 207 
 208   void record_prepare_tlab_time_ms(double ms) {
 209     _cur_prepare_tlab_time_ms = ms;
 210   }
 211 
 212   void record_resize_tlab_time_ms(double ms) {
 213     _cur_resize_tlab_time_ms = ms;
 214   }
 215 
 216   void record_derived_pointer_table_update_time(double ms) {
 217     _cur_derived_pointer_table_update_time_ms = ms;
 218   }


 346 
 347   double young_cset_choice_time_ms() {
 348     return _recorded_young_cset_choice_time_ms;
 349   }
 350 
 351   double total_free_cset_time_ms() {
 352     return _recorded_total_free_cset_time_ms;
 353   }
 354 
 355   double non_young_cset_choice_time_ms() {
 356     return _recorded_non_young_cset_choice_time_ms;
 357   }
 358 
 359   double fast_reclaim_humongous_time_ms() {
 360     return _cur_fast_reclaim_humongous_time_ms;
 361   }
 362 
 363   ReferenceProcessorPhaseTimes* ref_phase_times() { return &_ref_phase_times; }
 364 };
 365 
 366 class G1GCParPhaseTimesTracker : public StackObj {
 367   double _start_time;












 368   G1GCPhaseTimes::GCParPhases _phase;
 369   G1GCPhaseTimes* _phase_times;
 370   uint _worker_id;
 371 public:
 372   G1GCParPhaseTimesTracker(G1GCPhaseTimes* phase_times, G1GCPhaseTimes::GCParPhases phase, uint worker_id);
 373   ~G1GCParPhaseTimesTracker();










 374 };
 375 
 376 #endif // SHARE_VM_GC_G1_G1GCPHASETIMES_HPP
   1 /*
   2  * Copyright (c) 2013, 2018, 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_G1_G1GCPHASETIMES_HPP
  26 #define SHARE_VM_GC_G1_G1GCPHASETIMES_HPP
  27 
  28 #include "gc/shared/referenceProcessorPhaseTimes.hpp"
  29 #include "logging/logLevel.hpp"
  30 #include "memory/allocation.hpp"
  31 #include "utilities/macros.hpp"
  32 
  33 class LineBuffer;
  34 class G1ParScanThreadState;
  35 class STWGCTimer;
  36 
  37 template <class T> class WorkerDataArray;
  38 
  39 class G1GCPhaseTimes : public CHeapObj<mtGC> {
  40   uint _max_gc_threads;
  41   jlong _gc_start_counter;
  42   double _gc_pause_time_ms;
  43 
  44  public:
  45   enum GCParPhases {
  46     GCWorkerStart,
  47     ExtRootScan,
  48     ThreadRoots,
  49     StringTableRoots,
  50     UniverseRoots,
  51     JNIRoots,
  52     ObjectSynchronizerRoots,
  53     ManagementRoots,
  54     SystemDictionaryRoots,


 180   void debug_time_for_reference(const char* name, double value) const;
 181   void trace_time(const char* name, double value) const;
 182   void trace_count(const char* name, size_t value) const;
 183 
 184   double print_pre_evacuate_collection_set() const;
 185   double print_evacuate_collection_set() const;
 186   double print_post_evacuate_collection_set() const;
 187   void print_other(double accounted_ms) const;
 188 
 189  public:
 190   G1GCPhaseTimes(STWGCTimer* gc_timer, uint max_gc_threads);
 191   void note_gc_start();
 192   void print();
 193 
 194   // record the time a phase took in seconds
 195   void record_time_secs(GCParPhases phase, uint worker_i, double secs);
 196 
 197   // add a number of seconds to a phase
 198   void add_time_secs(GCParPhases phase, uint worker_i, double secs);
 199 
 200   void record_or_add_objcopy_time_secs(uint worker_i, double secs);
 201 
 202   void record_thread_work_item(GCParPhases phase, uint worker_i, size_t count, uint index = 0);
 203 
 204   // return the average time for a phase in milliseconds
 205   double average_time_ms(GCParPhases phase);
 206 
 207   size_t sum_thread_work_items(GCParPhases phase, uint index = 0);
 208 
 209  public:
 210 
 211   void record_prepare_tlab_time_ms(double ms) {
 212     _cur_prepare_tlab_time_ms = ms;
 213   }
 214 
 215   void record_resize_tlab_time_ms(double ms) {
 216     _cur_resize_tlab_time_ms = ms;
 217   }
 218 
 219   void record_derived_pointer_table_update_time(double ms) {
 220     _cur_derived_pointer_table_update_time_ms = ms;
 221   }


 349 
 350   double young_cset_choice_time_ms() {
 351     return _recorded_young_cset_choice_time_ms;
 352   }
 353 
 354   double total_free_cset_time_ms() {
 355     return _recorded_total_free_cset_time_ms;
 356   }
 357 
 358   double non_young_cset_choice_time_ms() {
 359     return _recorded_non_young_cset_choice_time_ms;
 360   }
 361 
 362   double fast_reclaim_humongous_time_ms() {
 363     return _cur_fast_reclaim_humongous_time_ms;
 364   }
 365 
 366   ReferenceProcessorPhaseTimes* ref_phase_times() { return &_ref_phase_times; }
 367 };
 368 
 369 class G1EvacPhaseWithTrimTimeTracker : public StackObj {
 370   G1ParScanThreadState* _pss;
 371   Ticks _start;
 372 
 373   Tickspan& _total_time;
 374   Tickspan& _trim_time;
 375 public:
 376   G1EvacPhaseWithTrimTimeTracker(G1ParScanThreadState* pss, Tickspan& total_time, Tickspan& trim_time);
 377   ~G1EvacPhaseWithTrimTimeTracker();
 378 };
 379 
 380 class G1GCParPhaseTimesTracker : public CHeapObj<mtGC> {
 381 protected:
 382   Ticks _start_time;
 383   G1GCPhaseTimes::GCParPhases _phase;
 384   G1GCPhaseTimes* _phase_times;
 385   uint _worker_id;
 386 public:
 387   G1GCParPhaseTimesTracker(G1GCPhaseTimes* phase_times, G1GCPhaseTimes::GCParPhases phase, uint worker_id);
 388   virtual ~G1GCParPhaseTimesTracker();
 389 };
 390 
 391 class G1EvacPhaseTimesTracker : public G1GCParPhaseTimesTracker {
 392   Tickspan _total_time;
 393   Tickspan _trim_time;
 394 
 395   G1EvacPhaseWithTrimTimeTracker _trim_tracker;
 396 public:
 397   G1EvacPhaseTimesTracker(G1GCPhaseTimes* phase_times, G1ParScanThreadState* pss, G1GCPhaseTimes::GCParPhases phase, uint worker_id);
 398   virtual ~G1EvacPhaseTimesTracker();
 399 };
 400 
 401 #endif // SHARE_VM_GC_G1_G1GCPHASETIMES_HPP
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