--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1GCPhaseTimes.hpp Mon Jul 16 13:00:26 2012 -0700
@@ -0,0 +1,216 @@
+/*
+ * 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<mtGC> {
+ 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