| /* |
| * Copyright (c) 2013, 2014, 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" |
| |
| class LineBuffer; |
| |
| template <class T> class WorkerDataArray; |
| |
| class G1GCPhaseTimes : public CHeapObj<mtGC> { |
| friend class G1GCParPhasePrinter; |
| |
| uint _active_gc_threads; |
| uint _max_gc_threads; |
| |
| public: |
| enum GCParPhases { |
| GCWorkerStart, |
| ExtRootScan, |
| ThreadRoots, |
| StringTableRoots, |
| UniverseRoots, |
| JNIRoots, |
| ObjectSynchronizerRoots, |
| FlatProfilerRoots, |
| ManagementRoots, |
| SystemDictionaryRoots, |
| CLDGRoots, |
| JVMTIRoots, |
| CodeCacheRoots, |
| CMRefRoots, |
| WaitForStrongCLD, |
| WeakCLDRoots, |
| SATBFiltering, |
| UpdateRS, |
| ScanRS, |
| CodeRoots, |
| ObjCopy, |
| Termination, |
| Other, |
| GCWorkerTotal, |
| GCWorkerEnd, |
| StringDedupQueueFixup, |
| StringDedupTableFixup, |
| RedirtyCards, |
| GCParPhasesSentinel |
| }; |
| |
| 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>* _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; |
| |
| double _cur_evac_fail_recalc_used; |
| double _cur_evac_fail_restore_remsets; |
| double _cur_evac_fail_remove_self_forwards; |
| |
| double _cur_string_dedup_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_redirty_logged_cards_time_ms; |
| |
| double _recorded_young_free_cset_time_ms; |
| double _recorded_non_young_free_cset_time_ms; |
| |
| double _cur_fast_reclaim_humongous_time_ms; |
| double _cur_fast_reclaim_humongous_register_time_ms; |
| size_t _cur_fast_reclaim_humongous_total; |
| size_t _cur_fast_reclaim_humongous_candidates; |
| size_t _cur_fast_reclaim_humongous_reclaimed; |
| |
| 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, size_t value); |
| void print_stats(int level, const char* str, double value, uint workers); |
| |
| public: |
| G1GCPhaseTimes(uint max_gc_threads); |
| void note_gc_start(uint active_gc_threads, bool mark_in_progress); |
| void note_gc_end(); |
| void print(double pause_time_sec); |
| |
| // record the time a phase took in seconds |
| 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); |
| |
| private: |
| double get_time_ms(GCParPhases phase, uint worker_i); |
| double sum_time_ms(GCParPhases phase); |
| double min_time_ms(GCParPhases phase); |
| double max_time_ms(GCParPhases phase); |
| size_t get_thread_work_item(GCParPhases phase, uint worker_i); |
| double average_thread_work_items(GCParPhases phase); |
| size_t min_thread_work_items(GCParPhases phase); |
| size_t max_thread_work_items(GCParPhases phase); |
| |
| public: |
| |
| 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_purge_time(double ms) { |
| _cur_strong_code_root_purge_time_ms = ms; |
| } |
| |
| void record_evac_fail_recalc_used_time(double ms) { |
| _cur_evac_fail_recalc_used = ms; |
| } |
| |
| void record_evac_fail_restore_remsets(double ms) { |
| _cur_evac_fail_restore_remsets = ms; |
| } |
| |
| void record_evac_fail_remove_self_forwards(double ms) { |
| _cur_evac_fail_remove_self_forwards = ms; |
| } |
| |
| void record_string_dedup_fixup_time(double ms) { |
| _cur_string_dedup_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_fast_reclaim_humongous_stats(double time_ms, size_t total, size_t candidates) { |
| _cur_fast_reclaim_humongous_register_time_ms = time_ms; |
| _cur_fast_reclaim_humongous_total = total; |
| _cur_fast_reclaim_humongous_candidates = candidates; |
| } |
| |
| void record_fast_reclaim_humongous_time_ms(double value, size_t reclaimed) { |
| _cur_fast_reclaim_humongous_time_ms = value; |
| _cur_fast_reclaim_humongous_reclaimed = reclaimed; |
| } |
| |
| 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_redirty_logged_cards_time_ms(double time_ms) { |
| _recorded_redirty_logged_cards_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 fast_reclaim_humongous_time_ms() { |
| return _cur_fast_reclaim_humongous_time_ms; |
| } |
| }; |
| |
| class G1GCParPhaseTimesTracker : public StackObj { |
| double _start_time; |
| G1GCPhaseTimes::GCParPhases _phase; |
| G1GCPhaseTimes* _phase_times; |
| uint _worker_id; |
| public: |
| G1GCParPhaseTimesTracker(G1GCPhaseTimes* phase_times, G1GCPhaseTimes::GCParPhases phase, uint worker_id); |
| ~G1GCParPhaseTimesTracker(); |
| }; |
| |
| #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP |