| /* |
| * 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 intended 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_strong_code_root_scan_times_ms; |
| WorkerDataArray<double> _last_strong_code_root_mark_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_strong_code_root_migration_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_strong_code_root_scan_time(uint worker_i, double ms) { |
| _last_strong_code_root_scan_times_ms.set(worker_i, ms); |
| } |
| |
| void record_strong_code_root_mark_time(uint worker_i, double ms) { |
| _last_strong_code_root_mark_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_strong_code_root_migration_time(double ms) { |
| _cur_strong_code_root_migration_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_strong_code_root_scan_time(){ |
| return _last_strong_code_root_scan_times_ms.average(); |
| } |
| |
| double average_last_strong_code_root_mark_time(){ |
| return _last_strong_code_root_mark_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 |