Mercurial > hg > truffle
view src/share/vm/gc_implementation/g1/g1GCPhaseTimes.hpp @ 10388:320b4e0f0892
8015585: Missing regression test for 8011771
Summary: missing regression test
Reviewed-by: kvn
author | roland |
---|---|
date | Thu, 30 May 2013 11:21:01 +0200 |
parents | 194f52aa2f23 |
children | f2110083203d |
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/* * Copyright (c) 2013, 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" #include "gc_interface/gcCause.hpp" template <class T> class WorkerDataArray : public CHeapObj<mtGC> { T* _data; uint _length; const char* _print_format; bool _print_sum; NOT_PRODUCT(static const T _uninitialized;) // We are caching the sum and average to only have to calculate them once. // This is not done in an MT-safe way. It is intetened to allow single // threaded code to call sum() and average() multiple times in any order // without having to worry about the cost. bool _has_new_data; T _sum; double _average; public: WorkerDataArray(uint length, const char* print_format, bool print_sum = true) : _length(length), _print_format(print_format), _print_sum(print_sum), _has_new_data(true) { assert(length > 0, "Must have some workers to store data for"); _data = NEW_C_HEAP_ARRAY(T, _length, mtGC); } ~WorkerDataArray() { FREE_C_HEAP_ARRAY(T, _data, mtGC); } void set(uint worker_i, T value) { assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length)); assert(_data[worker_i] == (T)-1, err_msg("Overwriting data for worker %d", worker_i)); _data[worker_i] = value; _has_new_data = true; } T get(uint worker_i) { assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length)); assert(_data[worker_i] != (T)-1, err_msg("No data to add to for worker %d", worker_i)); return _data[worker_i]; } void add(uint worker_i, T value) { assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length)); assert(_data[worker_i] != (T)-1, err_msg("No data to add to for worker %d", worker_i)); _data[worker_i] += value; _has_new_data = true; } double average(){ if (_has_new_data) { calculate_totals(); } return _average; } T sum() { if (_has_new_data) { calculate_totals(); } return _sum; } void print(int level, const char* title); void reset() PRODUCT_RETURN; void verify() PRODUCT_RETURN; private: void calculate_totals(){ _sum = (T)0; for (uint i = 0; i < _length; ++i) { _sum += _data[i]; } _average = (double)_sum / (double)_length; _has_new_data = false; } }; class G1GCPhaseTimes : public CHeapObj<mtGC> { private: uint _active_gc_threads; uint _max_gc_threads; WorkerDataArray<double> _last_gc_worker_start_times_ms; WorkerDataArray<double> _last_ext_root_scan_times_ms; WorkerDataArray<double> _last_satb_filtering_times_ms; WorkerDataArray<double> _last_update_rs_times_ms; WorkerDataArray<int> _last_update_rs_processed_buffers; WorkerDataArray<double> _last_scan_rs_times_ms; WorkerDataArray<double> _last_obj_copy_times_ms; WorkerDataArray<double> _last_termination_times_ms; WorkerDataArray<size_t> _last_termination_attempts; WorkerDataArray<double> _last_gc_worker_end_times_ms; WorkerDataArray<double> _last_gc_worker_times_ms; WorkerDataArray<double> _last_gc_worker_other_times_ms; double _cur_collection_par_time_ms; double _cur_collection_code_root_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_young_free_cset_time_ms; double _recorded_non_young_free_cset_time_ms; 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, double value, int workers); public: G1GCPhaseTimes(uint max_gc_threads); void note_gc_start(uint active_gc_threads); void note_gc_end(); void print(double pause_time_sec); void record_gc_worker_start_time(uint worker_i, double ms) { _last_gc_worker_start_times_ms.set(worker_i, ms); } void record_ext_root_scan_time(uint worker_i, double ms) { _last_ext_root_scan_times_ms.set(worker_i, ms); } void record_satb_filtering_time(uint worker_i, double ms) { _last_satb_filtering_times_ms.set(worker_i, ms); } void record_update_rs_time(uint worker_i, double ms) { _last_update_rs_times_ms.set(worker_i, ms); } void record_update_rs_processed_buffers(uint worker_i, int processed_buffers) { _last_update_rs_processed_buffers.set(worker_i, processed_buffers); } void record_scan_rs_time(uint worker_i, double ms) { _last_scan_rs_times_ms.set(worker_i, ms); } void record_obj_copy_time(uint worker_i, double ms) { _last_obj_copy_times_ms.set(worker_i, ms); } void add_obj_copy_time(uint worker_i, double ms) { _last_obj_copy_times_ms.add(worker_i, ms); } void record_termination(uint worker_i, double ms, size_t attempts) { _last_termination_times_ms.set(worker_i, ms); _last_termination_attempts.set(worker_i, attempts); } void record_gc_worker_end_time(uint worker_i, double ms) { _last_gc_worker_end_times_ms.set(worker_i, ms); } 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_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_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_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 average_last_update_rs_time() { return _last_update_rs_times_ms.average(); } int sum_last_update_rs_processed_buffers() { return _last_update_rs_processed_buffers.sum(); } double average_last_scan_rs_time(){ return _last_scan_rs_times_ms.average(); } double average_last_obj_copy_time() { return _last_obj_copy_times_ms.average(); } double average_last_termination_time() { return _last_termination_times_ms.average(); } double average_last_ext_root_scan_time() { return _last_ext_root_scan_times_ms.average(); } double average_last_satb_filtering_times_ms() { return _last_satb_filtering_times_ms.average(); } }; #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP