hotspot/src/share/vm/gc_implementation/g1/g1GCPhaseTimes.hpp
author coleenp
Fri, 13 Mar 2015 18:59:41 +0000
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Merge
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/*
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 * Copyright (c) 2013, 2014 Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP
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#define SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP
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#include "memory/allocation.hpp"
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#include "gc_interface/gcCause.hpp"
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template <class T>
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class WorkerDataArray  : public CHeapObj<mtGC> {
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  T*          _data;
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  uint        _length;
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  const char* _print_format;
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  bool        _print_sum;
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  NOT_PRODUCT(static const T _uninitialized;)
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  // We are caching the sum and average to only have to calculate them once.
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  // This is not done in an MT-safe way. It is intended to allow single
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  // threaded code to call sum() and average() multiple times in any order
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  // without having to worry about the cost.
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  bool   _has_new_data;
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  T      _sum;
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  double _average;
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 public:
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  WorkerDataArray(uint length, const char* print_format, bool print_sum = true) :
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  _length(length), _print_format(print_format), _print_sum(print_sum), _has_new_data(true) {
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    assert(length > 0, "Must have some workers to store data for");
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    _data = NEW_C_HEAP_ARRAY(T, _length, mtGC);
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  }
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  ~WorkerDataArray() {
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    FREE_C_HEAP_ARRAY(T, _data);
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  }
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  void set(uint worker_i, T value) {
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    assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length));
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    assert(_data[worker_i] == (T)-1, err_msg("Overwriting data for worker %d", worker_i));
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    _data[worker_i] = value;
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    _has_new_data = true;
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  }
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  T get(uint worker_i) {
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    assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length));
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    assert(_data[worker_i] != (T)-1, err_msg("No data to add to for worker %d", worker_i));
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    return _data[worker_i];
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  }
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  void add(uint worker_i, T value) {
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    assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length));
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    assert(_data[worker_i] != (T)-1, err_msg("No data to add to for worker %d", worker_i));
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    _data[worker_i] += value;
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    _has_new_data = true;
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  }
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  double average(){
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    if (_has_new_data) {
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      calculate_totals();
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    }
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    return _average;
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  }
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  T sum() {
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    if (_has_new_data) {
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      calculate_totals();
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    }
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    return _sum;
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  }
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  void print(int level, const char* title);
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  void reset() PRODUCT_RETURN;
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  void verify() PRODUCT_RETURN;
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 private:
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  void calculate_totals(){
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    _sum = (T)0;
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    for (uint i = 0; i < _length; ++i) {
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      _sum += _data[i];
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    }
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    _average = (double)_sum / (double)_length;
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    _has_new_data = false;
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  }
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};
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class G1GCPhaseTimes : public CHeapObj<mtGC> {
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 private:
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  uint _active_gc_threads;
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  uint _max_gc_threads;
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  WorkerDataArray<double> _last_gc_worker_start_times_ms;
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  WorkerDataArray<double> _last_ext_root_scan_times_ms;
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  WorkerDataArray<double> _last_satb_filtering_times_ms;
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  WorkerDataArray<double> _last_update_rs_times_ms;
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  WorkerDataArray<int>    _last_update_rs_processed_buffers;
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  WorkerDataArray<double> _last_scan_rs_times_ms;
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  WorkerDataArray<double> _last_strong_code_root_scan_times_ms;
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  WorkerDataArray<double> _last_obj_copy_times_ms;
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  WorkerDataArray<double> _last_termination_times_ms;
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  WorkerDataArray<size_t> _last_termination_attempts;
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  WorkerDataArray<double> _last_gc_worker_end_times_ms;
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  WorkerDataArray<double> _last_gc_worker_times_ms;
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  WorkerDataArray<double> _last_gc_worker_other_times_ms;
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  double _cur_collection_par_time_ms;
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  double _cur_collection_code_root_fixup_time_ms;
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  double _cur_strong_code_root_purge_time_ms;
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  double _cur_evac_fail_recalc_used;
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  double _cur_evac_fail_restore_remsets;
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  double _cur_evac_fail_remove_self_forwards;
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  double                  _cur_string_dedup_fixup_time_ms;
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  WorkerDataArray<double> _cur_string_dedup_queue_fixup_worker_times_ms;
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  WorkerDataArray<double> _cur_string_dedup_table_fixup_worker_times_ms;
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  double _cur_clear_ct_time_ms;
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  double _cur_ref_proc_time_ms;
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  double _cur_ref_enq_time_ms;
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  double _cur_collection_start_sec;
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  double _root_region_scan_wait_time_ms;
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  double _recorded_young_cset_choice_time_ms;
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  double _recorded_non_young_cset_choice_time_ms;
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  WorkerDataArray<double> _last_redirty_logged_cards_time_ms;
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  WorkerDataArray<size_t> _last_redirty_logged_cards_processed_cards;
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  double _recorded_redirty_logged_cards_time_ms;
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  double _recorded_young_free_cset_time_ms;
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  double _recorded_non_young_free_cset_time_ms;
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  double _cur_fast_reclaim_humongous_time_ms;
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  double _cur_fast_reclaim_humongous_register_time_ms;
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  size_t _cur_fast_reclaim_humongous_total;
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  size_t _cur_fast_reclaim_humongous_candidates;
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  size_t _cur_fast_reclaim_humongous_reclaimed;
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  double _cur_verify_before_time_ms;
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  double _cur_verify_after_time_ms;
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  // Helper methods for detailed logging
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  void print_stats(int level, const char* str, double value);
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  void print_stats(int level, const char* str, size_t value);
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  void print_stats(int level, const char* str, double value, uint workers);
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 public:
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  G1GCPhaseTimes(uint max_gc_threads);
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  void note_gc_start(uint active_gc_threads);
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  void note_gc_end();
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  void print(double pause_time_sec);
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  void record_gc_worker_start_time(uint worker_i, double ms) {
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    _last_gc_worker_start_times_ms.set(worker_i, ms);
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  }
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  void record_ext_root_scan_time(uint worker_i, double ms) {
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    _last_ext_root_scan_times_ms.set(worker_i, ms);
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  }
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  void record_satb_filtering_time(uint worker_i, double ms) {
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    _last_satb_filtering_times_ms.set(worker_i, ms);
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  }
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  void record_update_rs_time(uint worker_i, double ms) {
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    _last_update_rs_times_ms.set(worker_i, ms);
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  }
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  void record_update_rs_processed_buffers(uint worker_i, int processed_buffers) {
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    _last_update_rs_processed_buffers.set(worker_i, processed_buffers);
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  }
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  void record_scan_rs_time(uint worker_i, double ms) {
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    _last_scan_rs_times_ms.set(worker_i, ms);
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  }
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  void record_strong_code_root_scan_time(uint worker_i, double ms) {
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    _last_strong_code_root_scan_times_ms.set(worker_i, ms);
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  }
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  void record_obj_copy_time(uint worker_i, double ms) {
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    _last_obj_copy_times_ms.set(worker_i, ms);
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  }
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  void add_obj_copy_time(uint worker_i, double ms) {
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    _last_obj_copy_times_ms.add(worker_i, ms);
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  }
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  void record_termination(uint worker_i, double ms, size_t attempts) {
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    _last_termination_times_ms.set(worker_i, ms);
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    _last_termination_attempts.set(worker_i, attempts);
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  }
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  void record_gc_worker_end_time(uint worker_i, double ms) {
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    _last_gc_worker_end_times_ms.set(worker_i, ms);
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  }
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  void record_clear_ct_time(double ms) {
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    _cur_clear_ct_time_ms = ms;
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  }
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  void record_par_time(double ms) {
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    _cur_collection_par_time_ms = ms;
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  }
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  void record_code_root_fixup_time(double ms) {
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    _cur_collection_code_root_fixup_time_ms = ms;
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  }
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  void record_strong_code_root_purge_time(double ms) {
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    _cur_strong_code_root_purge_time_ms = ms;
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  }
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  void record_evac_fail_recalc_used_time(double ms) {
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    _cur_evac_fail_recalc_used = ms;
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  }
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  void record_evac_fail_restore_remsets(double ms) {
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    _cur_evac_fail_restore_remsets = ms;
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  }
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  void record_evac_fail_remove_self_forwards(double ms) {
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    _cur_evac_fail_remove_self_forwards = ms;
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  }
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  void note_string_dedup_fixup_start();
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  void note_string_dedup_fixup_end();
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  void record_string_dedup_fixup_time(double ms) {
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    _cur_string_dedup_fixup_time_ms = ms;
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  }
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  void record_string_dedup_queue_fixup_worker_time(uint worker_id, double ms) {
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    _cur_string_dedup_queue_fixup_worker_times_ms.set(worker_id, ms);
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  }
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  void record_string_dedup_table_fixup_worker_time(uint worker_id, double ms) {
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    _cur_string_dedup_table_fixup_worker_times_ms.set(worker_id, ms);
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  }
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  void record_ref_proc_time(double ms) {
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    _cur_ref_proc_time_ms = ms;
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  }
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  void record_ref_enq_time(double ms) {
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    _cur_ref_enq_time_ms = ms;
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  }
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  void record_root_region_scan_wait_time(double time_ms) {
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    _root_region_scan_wait_time_ms = time_ms;
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  }
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  void record_young_free_cset_time_ms(double time_ms) {
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    _recorded_young_free_cset_time_ms = time_ms;
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  }
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  void record_non_young_free_cset_time_ms(double time_ms) {
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    _recorded_non_young_free_cset_time_ms = time_ms;
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  }
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  void record_fast_reclaim_humongous_stats(double time_ms, size_t total, size_t candidates) {
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    _cur_fast_reclaim_humongous_register_time_ms = time_ms;
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    _cur_fast_reclaim_humongous_total = total;
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    _cur_fast_reclaim_humongous_candidates = candidates;
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  }
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  void record_fast_reclaim_humongous_time_ms(double value, size_t reclaimed) {
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    _cur_fast_reclaim_humongous_time_ms = value;
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    _cur_fast_reclaim_humongous_reclaimed = reclaimed;
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   296
  }
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   297
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  void record_young_cset_choice_time_ms(double time_ms) {
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    _recorded_young_cset_choice_time_ms = time_ms;
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  }
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  void record_non_young_cset_choice_time_ms(double time_ms) {
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    _recorded_non_young_cset_choice_time_ms = time_ms;
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  }
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   305
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  void record_redirty_logged_cards_time_ms(uint worker_i, double time_ms) {
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    _last_redirty_logged_cards_time_ms.set(worker_i, time_ms);
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  }
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  void record_redirty_logged_cards_processed_cards(uint worker_i, size_t processed_buffers) {
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    _last_redirty_logged_cards_processed_cards.set(worker_i, processed_buffers);
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  }
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  void record_redirty_logged_cards_time_ms(double time_ms) {
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    _recorded_redirty_logged_cards_time_ms = time_ms;
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  }
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  void record_cur_collection_start_sec(double time_ms) {
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    _cur_collection_start_sec = time_ms;
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  }
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   321
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  void record_verify_before_time_ms(double time_ms) {
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    _cur_verify_before_time_ms = time_ms;
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   324
  }
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   325
f7adc27fb367 7178363: G1: Remove the serial code for PrintGCDetails and make it a special case of the parallel code
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   326
  void record_verify_after_time_ms(double time_ms) {
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    _cur_verify_after_time_ms = time_ms;
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   328
  }
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   329
f7adc27fb367 7178363: G1: Remove the serial code for PrintGCDetails and make it a special case of the parallel code
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   330
  double accounted_time_ms();
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   331
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   332
  double cur_collection_start_sec() {
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   333
    return _cur_collection_start_sec;
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   334
  }
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   335
f7adc27fb367 7178363: G1: Remove the serial code for PrintGCDetails and make it a special case of the parallel code
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   336
  double cur_collection_par_time_ms() {
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   337
    return _cur_collection_par_time_ms;
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   338
  }
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   339
f7adc27fb367 7178363: G1: Remove the serial code for PrintGCDetails and make it a special case of the parallel code
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   340
  double cur_clear_ct_time_ms() {
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   341
    return _cur_clear_ct_time_ms;
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   342
  }
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   343
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   344
  double root_region_scan_wait_time_ms() {
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   345
    return _root_region_scan_wait_time_ms;
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   346
  }
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   347
f7adc27fb367 7178363: G1: Remove the serial code for PrintGCDetails and make it a special case of the parallel code
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   348
  double young_cset_choice_time_ms() {
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   349
    return _recorded_young_cset_choice_time_ms;
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   350
  }
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   351
f7adc27fb367 7178363: G1: Remove the serial code for PrintGCDetails and make it a special case of the parallel code
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   352
  double young_free_cset_time_ms() {
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   353
    return _recorded_young_free_cset_time_ms;
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   354
  }
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   355
f7adc27fb367 7178363: G1: Remove the serial code for PrintGCDetails and make it a special case of the parallel code
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   356
  double non_young_cset_choice_time_ms() {
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   357
    return _recorded_non_young_cset_choice_time_ms;
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   358
  }
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   359
f7adc27fb367 7178363: G1: Remove the serial code for PrintGCDetails and make it a special case of the parallel code
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   360
  double non_young_free_cset_time_ms() {
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   361
    return _recorded_non_young_free_cset_time_ms;
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   362
  }
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   363
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   364
  double fast_reclaim_humongous_time_ms() {
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   365
    return _cur_fast_reclaim_humongous_time_ms;
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   366
  }
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   367
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   368
  double average_last_update_rs_time() {
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   369
    return _last_update_rs_times_ms.average();
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   370
  }
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diff changeset
   371
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   372
  int sum_last_update_rs_processed_buffers() {
f7adc27fb367 7178363: G1: Remove the serial code for PrintGCDetails and make it a special case of the parallel code
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    return _last_update_rs_processed_buffers.sum();
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   374
  }
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   375
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   376
  double average_last_scan_rs_time(){
f7adc27fb367 7178363: G1: Remove the serial code for PrintGCDetails and make it a special case of the parallel code
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   377
    return _last_scan_rs_times_ms.average();
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   378
  }
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diff changeset
   379
19339
d247781beec7 7145569: G1: optimize nmethods scanning
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   380
  double average_last_strong_code_root_scan_time(){
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   381
    return _last_strong_code_root_scan_times_ms.average();
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   382
  }
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diff changeset
   383
13516
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diff changeset
   384
  double average_last_obj_copy_time() {
f7adc27fb367 7178363: G1: Remove the serial code for PrintGCDetails and make it a special case of the parallel code
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   385
    return _last_obj_copy_times_ms.average();
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diff changeset
   386
  }
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diff changeset
   387
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   388
  double average_last_termination_time() {
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   389
    return _last_termination_times_ms.average();
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diff changeset
   390
  }
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diff changeset
   391
f7adc27fb367 7178363: G1: Remove the serial code for PrintGCDetails and make it a special case of the parallel code
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   392
  double average_last_ext_root_scan_time() {
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   393
    return _last_ext_root_scan_times_ms.average();
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   394
  }
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diff changeset
   395
f7adc27fb367 7178363: G1: Remove the serial code for PrintGCDetails and make it a special case of the parallel code
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diff changeset
   396
  double average_last_satb_filtering_times_ms() {
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   397
    return _last_satb_filtering_times_ms.average();
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   398
  }
13288
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   399
};
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   400
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   401
#endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP