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

rev 13061 : imported patch 8178148-more-detailed-scan-rs-logging
rev 13062 : imported patch 8178148-sangheon-review

*** 1,7 ****
  /*
!  * Copyright (c) 2013, 2016, 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.
--- 1,7 ----
  /*
!  * Copyright (c) 2013, 2017, 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.
*** 74,92 ****
--- 74,105 ----
      YoungFreeCSet,
      NonYoungFreeCSet,
      GCParPhasesSentinel
    };
  
+   enum GCScanRSWorkItems {
+     ScannedCards,
+     ClaimedCards,
+     SkippedCards
+   };
+ 
   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>* _scan_rs_scanned_cards;
+   WorkerDataArray<size_t>* _scan_rs_claimed_cards;
+   WorkerDataArray<size_t>* _scan_rs_skipped_cards;
+ 
    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;
*** 168,183 ****
    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);
  
   public:
  
    void record_prepare_tlab_time_ms(double ms) {
      _cur_prepare_tlab_time_ms = ms;
--- 181,196 ----
    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, uint index = 0);
  
    // return the average time for a phase in milliseconds
    double average_time_ms(GCParPhases phase);
  
!   size_t sum_thread_work_items(GCParPhases phase, uint index = 0);
  
   public:
  
    void record_prepare_tlab_time_ms(double ms) {
      _cur_prepare_tlab_time_ms = ms;