--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/gc/g1/g1GCPhaseTimes.hpp Wed May 13 15:16:06 2015 +0200
@@ -0,0 +1,289 @@
+/*
+ * Copyright (c) 2013, 2015, 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_G1_G1GCPHASETIMES_HPP
+#define SHARE_VM_GC_G1_G1GCPHASETIMES_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,
+ 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_G1_G1GCPHASETIMES_HPP