Mercurial > hg > graal-compiler
view src/share/vm/gc_implementation/g1/g1GCPhaseTimes.hpp @ 6219:922993931b3d
7178361: G1: Make sure that PrintGC and PrintGCDetails use the same timing for the GC pause
Summary: Also reviewed by: vitalyd@gmail.com. Move the timing out of G1CollectorPolicy into the G1GCPhaseTimes class
Reviewed-by: johnc
author | brutisso |
---|---|
date | Wed, 11 Jul 2012 22:47:38 +0200 |
parents | |
children | 3a431b605145 |
line wrap: on
line source
/* * Copyright (c) 2012, 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" class G1GCPhaseTimes : public CHeapObj { friend class G1CollectorPolicy; friend class TraceGen0TimeData; private: uint _active_gc_threads; uint _max_gc_threads; GCCause::Cause _gc_cause; bool _is_young_gc; bool _is_initial_mark_gc; double _pause_start_time_sec; double* _par_last_gc_worker_start_times_ms; double* _par_last_ext_root_scan_times_ms; double* _par_last_satb_filtering_times_ms; double* _par_last_update_rs_times_ms; double* _par_last_update_rs_processed_buffers; double* _par_last_scan_rs_times_ms; double* _par_last_obj_copy_times_ms; double* _par_last_termination_times_ms; double* _par_last_termination_attempts; double* _par_last_gc_worker_end_times_ms; double* _par_last_gc_worker_times_ms; double* _par_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; // Helper methods for detailed logging void print_par_stats(int level, const char* str, double* data, bool showDecimals = true); void print_stats(int level, const char* str, double value); void print_stats(int level, const char* str, double value, int workers); void print_stats(int level, const char* str, int value); double avg_value(double* data); double max_value(double* data); double sum_of_values(double* data); double max_sum(double* data1, double* data2); double accounted_time_ms(); // Card Table Count Cache stats double _min_clear_cc_time_ms; // min double _max_clear_cc_time_ms; // max double _cur_clear_cc_time_ms; // clearing time during current pause double _cum_clear_cc_time_ms; // cummulative clearing time jlong _num_cc_clears; // number of times the card count cache has been cleared // The following insance variables are directly accessed by G1CollectorPolicy // and TraceGen0TimeData. This is why those classes are declared friends. // An alternative is to add getters and setters for all of these fields. // It might also be possible to restructure the code to reduce these // dependencies. double _ext_root_scan_time; double _satb_filtering_time; double _update_rs_time; double _update_rs_processed_buffers; double _scan_rs_time; double _obj_copy_time; double _termination_time; 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; void print(double pause_time_ms); public: G1GCPhaseTimes(uint max_gc_threads); void note_gc_start(double pause_start_time_sec, uint active_gc_threads, bool is_young_gc, bool is_initial_mark_gc, GCCause::Cause gc_cause); void note_gc_end(double pause_end_time_sec); void collapse_par_times(); void record_gc_worker_start_time(uint worker_i, double ms) { assert(worker_i >= 0, "worker index must be > 0"); assert(worker_i < _active_gc_threads, "worker index out of bounds"); _par_last_gc_worker_start_times_ms[worker_i] = ms; } void record_ext_root_scan_time(uint worker_i, double ms) { assert(worker_i >= 0, "worker index must be > 0"); assert(worker_i < _active_gc_threads, "worker index out of bounds"); _par_last_ext_root_scan_times_ms[worker_i] = ms; } void record_satb_filtering_time(uint worker_i, double ms) { assert(worker_i >= 0, "worker index must be > 0"); assert(worker_i < _active_gc_threads, "worker index out of bounds"); _par_last_satb_filtering_times_ms[worker_i] = ms; } void record_update_rs_time(uint worker_i, double ms) { assert(worker_i >= 0, "worker index must be > 0"); assert(worker_i < _active_gc_threads, "worker index out of bounds"); _par_last_update_rs_times_ms[worker_i] = ms; } void record_update_rs_processed_buffers (uint worker_i, double processed_buffers) { assert(worker_i >= 0, "worker index must be > 0"); assert(worker_i < _active_gc_threads, "worker index out of bounds"); _par_last_update_rs_processed_buffers[worker_i] = processed_buffers; } void record_scan_rs_time(uint worker_i, double ms) { assert(worker_i >= 0, "worker index must be > 0"); assert(worker_i < _active_gc_threads, "worker index out of bounds"); _par_last_scan_rs_times_ms[worker_i] = ms; } void reset_obj_copy_time(uint worker_i) { assert(worker_i >= 0, "worker index must be > 0"); assert(worker_i < _active_gc_threads, "worker index out of bounds"); _par_last_obj_copy_times_ms[worker_i] = 0.0; } void reset_obj_copy_time() { reset_obj_copy_time(0); } void record_obj_copy_time(uint worker_i, double ms) { assert(worker_i >= 0, "worker index must be > 0"); assert(worker_i < _active_gc_threads, "worker index out of bounds"); _par_last_obj_copy_times_ms[worker_i] += ms; } void record_termination(uint worker_i, double ms, size_t attempts) { assert(worker_i >= 0, "worker index must be > 0"); assert(worker_i < _active_gc_threads, "worker index out of bounds"); _par_last_termination_times_ms[worker_i] = ms; _par_last_termination_attempts[worker_i] = (double) attempts; } void record_gc_worker_end_time(uint worker_i, double ms) { assert(worker_i >= 0, "worker index must be > 0"); assert(worker_i < _active_gc_threads, "worker index out of bounds"); _par_last_gc_worker_end_times_ms[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_cc_clear_time_ms(double 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; } }; #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP