Mercurial > hg > graal-jvmci-8
comparison 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 |
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date | Wed, 11 Jul 2012 22:47:38 +0200 |
parents | |
children | 3a431b605145 |
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6196:3759236eea14 | 6219:922993931b3d |
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1 /* | |
2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 * | |
23 */ | |
24 | |
25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP | |
26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP | |
27 | |
28 #include "memory/allocation.hpp" | |
29 #include "gc_interface/gcCause.hpp" | |
30 | |
31 class G1GCPhaseTimes : public CHeapObj { | |
32 friend class G1CollectorPolicy; | |
33 friend class TraceGen0TimeData; | |
34 | |
35 private: | |
36 uint _active_gc_threads; | |
37 uint _max_gc_threads; | |
38 | |
39 GCCause::Cause _gc_cause; | |
40 bool _is_young_gc; | |
41 bool _is_initial_mark_gc; | |
42 | |
43 double _pause_start_time_sec; | |
44 | |
45 double* _par_last_gc_worker_start_times_ms; | |
46 double* _par_last_ext_root_scan_times_ms; | |
47 double* _par_last_satb_filtering_times_ms; | |
48 double* _par_last_update_rs_times_ms; | |
49 double* _par_last_update_rs_processed_buffers; | |
50 double* _par_last_scan_rs_times_ms; | |
51 double* _par_last_obj_copy_times_ms; | |
52 double* _par_last_termination_times_ms; | |
53 double* _par_last_termination_attempts; | |
54 double* _par_last_gc_worker_end_times_ms; | |
55 double* _par_last_gc_worker_times_ms; | |
56 double* _par_last_gc_worker_other_times_ms; | |
57 | |
58 double _cur_collection_par_time_ms; | |
59 | |
60 double _cur_collection_code_root_fixup_time_ms; | |
61 | |
62 double _cur_clear_ct_time_ms; | |
63 double _cur_ref_proc_time_ms; | |
64 double _cur_ref_enq_time_ms; | |
65 | |
66 // Helper methods for detailed logging | |
67 void print_par_stats(int level, const char* str, double* data, bool showDecimals = true); | |
68 void print_stats(int level, const char* str, double value); | |
69 void print_stats(int level, const char* str, double value, int workers); | |
70 void print_stats(int level, const char* str, int value); | |
71 double avg_value(double* data); | |
72 double max_value(double* data); | |
73 double sum_of_values(double* data); | |
74 double max_sum(double* data1, double* data2); | |
75 double accounted_time_ms(); | |
76 | |
77 // Card Table Count Cache stats | |
78 double _min_clear_cc_time_ms; // min | |
79 double _max_clear_cc_time_ms; // max | |
80 double _cur_clear_cc_time_ms; // clearing time during current pause | |
81 double _cum_clear_cc_time_ms; // cummulative clearing time | |
82 jlong _num_cc_clears; // number of times the card count cache has been cleared | |
83 | |
84 // The following insance variables are directly accessed by G1CollectorPolicy | |
85 // and TraceGen0TimeData. This is why those classes are declared friends. | |
86 // An alternative is to add getters and setters for all of these fields. | |
87 // It might also be possible to restructure the code to reduce these | |
88 // dependencies. | |
89 double _ext_root_scan_time; | |
90 double _satb_filtering_time; | |
91 double _update_rs_time; | |
92 double _update_rs_processed_buffers; | |
93 double _scan_rs_time; | |
94 double _obj_copy_time; | |
95 double _termination_time; | |
96 | |
97 double _cur_collection_start_sec; | |
98 double _root_region_scan_wait_time_ms; | |
99 | |
100 double _recorded_young_cset_choice_time_ms; | |
101 double _recorded_non_young_cset_choice_time_ms; | |
102 | |
103 double _recorded_young_free_cset_time_ms; | |
104 double _recorded_non_young_free_cset_time_ms; | |
105 | |
106 void print(double pause_time_ms); | |
107 | |
108 public: | |
109 G1GCPhaseTimes(uint max_gc_threads); | |
110 void note_gc_start(double pause_start_time_sec, uint active_gc_threads, | |
111 bool is_young_gc, bool is_initial_mark_gc, GCCause::Cause gc_cause); | |
112 void note_gc_end(double pause_end_time_sec); | |
113 void collapse_par_times(); | |
114 | |
115 void record_gc_worker_start_time(uint worker_i, double ms) { | |
116 assert(worker_i >= 0, "worker index must be > 0"); | |
117 assert(worker_i < _active_gc_threads, "worker index out of bounds"); | |
118 _par_last_gc_worker_start_times_ms[worker_i] = ms; | |
119 } | |
120 | |
121 void record_ext_root_scan_time(uint worker_i, double ms) { | |
122 assert(worker_i >= 0, "worker index must be > 0"); | |
123 assert(worker_i < _active_gc_threads, "worker index out of bounds"); | |
124 _par_last_ext_root_scan_times_ms[worker_i] = ms; | |
125 } | |
126 | |
127 void record_satb_filtering_time(uint worker_i, double ms) { | |
128 assert(worker_i >= 0, "worker index must be > 0"); | |
129 assert(worker_i < _active_gc_threads, "worker index out of bounds"); | |
130 _par_last_satb_filtering_times_ms[worker_i] = ms; | |
131 } | |
132 | |
133 void record_update_rs_time(uint worker_i, double ms) { | |
134 assert(worker_i >= 0, "worker index must be > 0"); | |
135 assert(worker_i < _active_gc_threads, "worker index out of bounds"); | |
136 _par_last_update_rs_times_ms[worker_i] = ms; | |
137 } | |
138 | |
139 void record_update_rs_processed_buffers (uint worker_i, | |
140 double processed_buffers) { | |
141 assert(worker_i >= 0, "worker index must be > 0"); | |
142 assert(worker_i < _active_gc_threads, "worker index out of bounds"); | |
143 _par_last_update_rs_processed_buffers[worker_i] = processed_buffers; | |
144 } | |
145 | |
146 void record_scan_rs_time(uint worker_i, double ms) { | |
147 assert(worker_i >= 0, "worker index must be > 0"); | |
148 assert(worker_i < _active_gc_threads, "worker index out of bounds"); | |
149 _par_last_scan_rs_times_ms[worker_i] = ms; | |
150 } | |
151 | |
152 void reset_obj_copy_time(uint worker_i) { | |
153 assert(worker_i >= 0, "worker index must be > 0"); | |
154 assert(worker_i < _active_gc_threads, "worker index out of bounds"); | |
155 _par_last_obj_copy_times_ms[worker_i] = 0.0; | |
156 } | |
157 | |
158 void reset_obj_copy_time() { | |
159 reset_obj_copy_time(0); | |
160 } | |
161 | |
162 void record_obj_copy_time(uint worker_i, double ms) { | |
163 assert(worker_i >= 0, "worker index must be > 0"); | |
164 assert(worker_i < _active_gc_threads, "worker index out of bounds"); | |
165 _par_last_obj_copy_times_ms[worker_i] += ms; | |
166 } | |
167 | |
168 void record_termination(uint worker_i, double ms, size_t attempts) { | |
169 assert(worker_i >= 0, "worker index must be > 0"); | |
170 assert(worker_i < _active_gc_threads, "worker index out of bounds"); | |
171 _par_last_termination_times_ms[worker_i] = ms; | |
172 _par_last_termination_attempts[worker_i] = (double) attempts; | |
173 } | |
174 | |
175 void record_gc_worker_end_time(uint worker_i, double ms) { | |
176 assert(worker_i >= 0, "worker index must be > 0"); | |
177 assert(worker_i < _active_gc_threads, "worker index out of bounds"); | |
178 _par_last_gc_worker_end_times_ms[worker_i] = ms; | |
179 } | |
180 | |
181 void record_clear_ct_time(double ms) { | |
182 _cur_clear_ct_time_ms = ms; | |
183 } | |
184 | |
185 void record_par_time(double ms) { | |
186 _cur_collection_par_time_ms = ms; | |
187 } | |
188 | |
189 void record_code_root_fixup_time(double ms) { | |
190 _cur_collection_code_root_fixup_time_ms = ms; | |
191 } | |
192 | |
193 void record_ref_proc_time(double ms) { | |
194 _cur_ref_proc_time_ms = ms; | |
195 } | |
196 | |
197 void record_ref_enq_time(double ms) { | |
198 _cur_ref_enq_time_ms = ms; | |
199 } | |
200 | |
201 void record_root_region_scan_wait_time(double time_ms) { | |
202 _root_region_scan_wait_time_ms = time_ms; | |
203 } | |
204 | |
205 void record_cc_clear_time_ms(double ms); | |
206 | |
207 void record_young_free_cset_time_ms(double time_ms) { | |
208 _recorded_young_free_cset_time_ms = time_ms; | |
209 } | |
210 | |
211 void record_non_young_free_cset_time_ms(double time_ms) { | |
212 _recorded_non_young_free_cset_time_ms = time_ms; | |
213 } | |
214 }; | |
215 | |
216 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1GCPHASETIMESLOG_HPP |