brutisso@3923: /*
brutisso@3923:  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
brutisso@3923:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
brutisso@3923:  *
brutisso@3923:  * This code is free software; you can redistribute it and/or modify it
brutisso@3923:  * under the terms of the GNU General Public License version 2 only, as
brutisso@3923:  * published by the Free Software Foundation.
brutisso@3923:  *
brutisso@3923:  * This code is distributed in the hope that it will be useful, but WITHOUT
brutisso@3923:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
brutisso@3923:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
brutisso@3923:  * version 2 for more details (a copy is included in the LICENSE file that
brutisso@3923:  * accompanied this code).
brutisso@3923:  *
brutisso@3923:  * You should have received a copy of the GNU General Public License version
brutisso@3923:  * 2 along with this work; if not, write to the Free Software Foundation,
brutisso@3923:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
brutisso@3923:  *
brutisso@3923:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
brutisso@3923:  * or visit www.oracle.com if you need additional information or have any
brutisso@3923:  * questions.
brutisso@3923:  *
brutisso@3923:  */
brutisso@3923: 
brutisso@3923: #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP
brutisso@3923: #define SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP
brutisso@3923: 
brutisso@3923: #include "memory/allocation.hpp"
brutisso@3923: #include "gc_interface/gcCause.hpp"
brutisso@3923: 
jmasa@3924: class G1GCPhaseTimes : public CHeapObj<mtGC> {
brutisso@3923:   friend class G1CollectorPolicy;
brutisso@3923:   friend class TraceGen0TimeData;
brutisso@3923: 
brutisso@3923:  private:
brutisso@3923:   uint _active_gc_threads;
brutisso@3923:   uint _max_gc_threads;
brutisso@3923: 
brutisso@3923:   GCCause::Cause _gc_cause;
brutisso@3923:   bool           _is_young_gc;
brutisso@3923:   bool           _is_initial_mark_gc;
brutisso@3923: 
brutisso@3923:   double _pause_start_time_sec;
brutisso@3923: 
brutisso@3923:   double* _par_last_gc_worker_start_times_ms;
brutisso@3923:   double* _par_last_ext_root_scan_times_ms;
brutisso@3923:   double* _par_last_satb_filtering_times_ms;
brutisso@3923:   double* _par_last_update_rs_times_ms;
brutisso@3923:   double* _par_last_update_rs_processed_buffers;
brutisso@3923:   double* _par_last_scan_rs_times_ms;
brutisso@3923:   double* _par_last_obj_copy_times_ms;
brutisso@3923:   double* _par_last_termination_times_ms;
brutisso@3923:   double* _par_last_termination_attempts;
brutisso@3923:   double* _par_last_gc_worker_end_times_ms;
brutisso@3923:   double* _par_last_gc_worker_times_ms;
brutisso@3923:   double* _par_last_gc_worker_other_times_ms;
brutisso@3923: 
brutisso@3923:   double _cur_collection_par_time_ms;
brutisso@3923: 
brutisso@3923:   double _cur_collection_code_root_fixup_time_ms;
brutisso@3923: 
brutisso@3923:   double _cur_clear_ct_time_ms;
brutisso@3923:   double _cur_ref_proc_time_ms;
brutisso@3923:   double _cur_ref_enq_time_ms;
brutisso@3923: 
brutisso@3923:   // Helper methods for detailed logging
brutisso@3923:   void print_par_stats(int level, const char* str, double* data, bool showDecimals = true);
brutisso@3923:   void print_stats(int level, const char* str, double value);
brutisso@3923:   void print_stats(int level, const char* str, double value, int workers);
brutisso@3923:   void print_stats(int level, const char* str, int value);
brutisso@3923:   double avg_value(double* data);
brutisso@3923:   double max_value(double* data);
brutisso@3923:   double sum_of_values(double* data);
brutisso@3923:   double max_sum(double* data1, double* data2);
brutisso@3923:   double accounted_time_ms();
brutisso@3923: 
brutisso@3923:   // Card Table Count Cache stats
brutisso@3923:   double _min_clear_cc_time_ms;         // min
brutisso@3923:   double _max_clear_cc_time_ms;         // max
brutisso@3923:   double _cur_clear_cc_time_ms;         // clearing time during current pause
brutisso@3923:   double _cum_clear_cc_time_ms;         // cummulative clearing time
brutisso@3923:   jlong  _num_cc_clears;                // number of times the card count cache has been cleared
brutisso@3923: 
brutisso@3923:   // The following insance variables are directly accessed by G1CollectorPolicy
brutisso@3923:   // and TraceGen0TimeData. This is why those classes are declared friends.
brutisso@3923:   // An alternative is to add getters and setters for all of these fields.
brutisso@3923:   // It might also be possible to restructure the code to reduce these
brutisso@3923:   // dependencies.
brutisso@3923:   double _ext_root_scan_time;
brutisso@3923:   double _satb_filtering_time;
brutisso@3923:   double _update_rs_time;
brutisso@3923:   double _update_rs_processed_buffers;
brutisso@3923:   double _scan_rs_time;
brutisso@3923:   double _obj_copy_time;
brutisso@3923:   double _termination_time;
brutisso@3923: 
brutisso@3923:   double _cur_collection_start_sec;
brutisso@3923:   double _root_region_scan_wait_time_ms;
brutisso@3923: 
brutisso@3923:   double _recorded_young_cset_choice_time_ms;
brutisso@3923:   double _recorded_non_young_cset_choice_time_ms;
brutisso@3923: 
brutisso@3923:   double _recorded_young_free_cset_time_ms;
brutisso@3923:   double _recorded_non_young_free_cset_time_ms;
brutisso@3923: 
brutisso@3923:   void print(double pause_time_ms);
brutisso@3923: 
brutisso@3923:  public:
brutisso@3923:   G1GCPhaseTimes(uint max_gc_threads);
brutisso@3923:   void note_gc_start(double pause_start_time_sec, uint active_gc_threads,
brutisso@3923:     bool is_young_gc, bool is_initial_mark_gc, GCCause::Cause gc_cause);
brutisso@3923:   void note_gc_end(double pause_end_time_sec);
brutisso@3923:   void collapse_par_times();
brutisso@3923: 
brutisso@3923:   void record_gc_worker_start_time(uint worker_i, double ms) {
brutisso@3923:     assert(worker_i >= 0, "worker index must be > 0");
brutisso@3923:     assert(worker_i < _active_gc_threads, "worker index out of bounds");
brutisso@3923:     _par_last_gc_worker_start_times_ms[worker_i] = ms;
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void record_ext_root_scan_time(uint worker_i, double ms) {
brutisso@3923:     assert(worker_i >= 0, "worker index must be > 0");
brutisso@3923:     assert(worker_i < _active_gc_threads, "worker index out of bounds");
brutisso@3923:     _par_last_ext_root_scan_times_ms[worker_i] = ms;
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void record_satb_filtering_time(uint worker_i, double ms) {
brutisso@3923:     assert(worker_i >= 0, "worker index must be > 0");
brutisso@3923:     assert(worker_i < _active_gc_threads, "worker index out of bounds");
brutisso@3923:     _par_last_satb_filtering_times_ms[worker_i] = ms;
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void record_update_rs_time(uint worker_i, double ms) {
brutisso@3923:     assert(worker_i >= 0, "worker index must be > 0");
brutisso@3923:     assert(worker_i < _active_gc_threads, "worker index out of bounds");
brutisso@3923:     _par_last_update_rs_times_ms[worker_i] = ms;
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void record_update_rs_processed_buffers (uint worker_i,
brutisso@3923:                                            double processed_buffers) {
brutisso@3923:     assert(worker_i >= 0, "worker index must be > 0");
brutisso@3923:     assert(worker_i < _active_gc_threads, "worker index out of bounds");
brutisso@3923:     _par_last_update_rs_processed_buffers[worker_i] = processed_buffers;
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void record_scan_rs_time(uint worker_i, double ms) {
brutisso@3923:     assert(worker_i >= 0, "worker index must be > 0");
brutisso@3923:     assert(worker_i < _active_gc_threads, "worker index out of bounds");
brutisso@3923:     _par_last_scan_rs_times_ms[worker_i] = ms;
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void reset_obj_copy_time(uint worker_i) {
brutisso@3923:     assert(worker_i >= 0, "worker index must be > 0");
brutisso@3923:     assert(worker_i < _active_gc_threads, "worker index out of bounds");
brutisso@3923:     _par_last_obj_copy_times_ms[worker_i] = 0.0;
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void reset_obj_copy_time() {
brutisso@3923:     reset_obj_copy_time(0);
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void record_obj_copy_time(uint worker_i, double ms) {
brutisso@3923:     assert(worker_i >= 0, "worker index must be > 0");
brutisso@3923:     assert(worker_i < _active_gc_threads, "worker index out of bounds");
brutisso@3923:     _par_last_obj_copy_times_ms[worker_i] += ms;
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void record_termination(uint worker_i, double ms, size_t attempts) {
brutisso@3923:     assert(worker_i >= 0, "worker index must be > 0");
brutisso@3923:     assert(worker_i < _active_gc_threads, "worker index out of bounds");
brutisso@3923:     _par_last_termination_times_ms[worker_i] = ms;
brutisso@3923:     _par_last_termination_attempts[worker_i] = (double) attempts;
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void record_gc_worker_end_time(uint worker_i, double ms) {
brutisso@3923:     assert(worker_i >= 0, "worker index must be > 0");
brutisso@3923:     assert(worker_i < _active_gc_threads, "worker index out of bounds");
brutisso@3923:     _par_last_gc_worker_end_times_ms[worker_i] = ms;
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void record_clear_ct_time(double ms) {
brutisso@3923:     _cur_clear_ct_time_ms = ms;
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void record_par_time(double ms) {
brutisso@3923:     _cur_collection_par_time_ms = ms;
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void record_code_root_fixup_time(double ms) {
brutisso@3923:     _cur_collection_code_root_fixup_time_ms = ms;
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void record_ref_proc_time(double ms) {
brutisso@3923:     _cur_ref_proc_time_ms = ms;
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void record_ref_enq_time(double ms) {
brutisso@3923:     _cur_ref_enq_time_ms = ms;
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void record_root_region_scan_wait_time(double time_ms) {
brutisso@3923:     _root_region_scan_wait_time_ms = time_ms;
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void record_cc_clear_time_ms(double ms);
brutisso@3923: 
brutisso@3923:   void record_young_free_cset_time_ms(double time_ms) {
brutisso@3923:     _recorded_young_free_cset_time_ms = time_ms;
brutisso@3923:   }
brutisso@3923: 
brutisso@3923:   void record_non_young_free_cset_time_ms(double time_ms) {
brutisso@3923:     _recorded_non_young_free_cset_time_ms = time_ms;
brutisso@3923:   }
brutisso@3923: };
brutisso@3923: 
brutisso@3923: #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP