g1GCPhaseTimes.hpp revision 8413:92457dfb91bd 
1/*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 * This code is free software; you can redistribute it and/or modify it
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7 * published by the Free Software Foundation.
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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 *
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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.
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24
25#ifndef SHARE_VM_GC_G1_G1GCPHASETIMES_HPP
26#define SHARE_VM_GC_G1_G1GCPHASETIMES_HPP
27
28#include "memory/allocation.hpp"
29
30class LineBuffer;
31
32template <class T> class WorkerDataArray;
33
34class G1GCPhaseTimes : public CHeapObj<mtGC> {
35  friend class G1GCParPhasePrinter;
36
37  uint _active_gc_threads;
38  uint _max_gc_threads;
39
40 public:
41  enum GCParPhases {
42    GCWorkerStart,
43    ExtRootScan,
44    ThreadRoots,
45    StringTableRoots,
46    UniverseRoots,
47    JNIRoots,
48    ObjectSynchronizerRoots,
49    FlatProfilerRoots,
50    ManagementRoots,
51    SystemDictionaryRoots,
52    CLDGRoots,
53    JVMTIRoots,
54    CMRefRoots,
55    WaitForStrongCLD,
56    WeakCLDRoots,
57    SATBFiltering,
58    UpdateRS,
59    ScanRS,
60    CodeRoots,
61    ObjCopy,
62    Termination,
63    Other,
64    GCWorkerTotal,
65    GCWorkerEnd,
66    StringDedupQueueFixup,
67    StringDedupTableFixup,
68    RedirtyCards,
69    GCParPhasesSentinel
70  };
71
72 private:
73  // Markers for grouping the phases in the GCPhases enum above
74  static const int GCMainParPhasesLast = GCWorkerEnd;
75  static const int StringDedupPhasesFirst = StringDedupQueueFixup;
76  static const int StringDedupPhasesLast = StringDedupTableFixup;
77
78  WorkerDataArray<double>* _gc_par_phases[GCParPhasesSentinel];
79  WorkerDataArray<size_t>* _update_rs_processed_buffers;
80  WorkerDataArray<size_t>* _termination_attempts;
81  WorkerDataArray<size_t>* _redirtied_cards;
82
83  double _cur_collection_par_time_ms;
84  double _cur_collection_code_root_fixup_time_ms;
85  double _cur_strong_code_root_purge_time_ms;
86
87  double _cur_evac_fail_recalc_used;
88  double _cur_evac_fail_restore_remsets;
89  double _cur_evac_fail_remove_self_forwards;
90
91  double _cur_string_dedup_fixup_time_ms;
92
93  double _cur_clear_ct_time_ms;
94  double _cur_ref_proc_time_ms;
95  double _cur_ref_enq_time_ms;
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_redirty_logged_cards_time_ms;
104
105  double _recorded_young_free_cset_time_ms;
106  double _recorded_non_young_free_cset_time_ms;
107
108  double _cur_fast_reclaim_humongous_time_ms;
109  double _cur_fast_reclaim_humongous_register_time_ms;
110  size_t _cur_fast_reclaim_humongous_total;
111  size_t _cur_fast_reclaim_humongous_candidates;
112  size_t _cur_fast_reclaim_humongous_reclaimed;
113
114  double _cur_verify_before_time_ms;
115  double _cur_verify_after_time_ms;
116
117  // Helper methods for detailed logging
118  void print_stats(int level, const char* str, double value);
119  void print_stats(int level, const char* str, size_t value);
120  void print_stats(int level, const char* str, double value, uint workers);
121
122 public:
123  G1GCPhaseTimes(uint max_gc_threads);
124  void note_gc_start(uint active_gc_threads, bool mark_in_progress);
125  void note_gc_end();
126  void print(double pause_time_sec);
127
128  // record the time a phase took in seconds
129  void record_time_secs(GCParPhases phase, uint worker_i, double secs);
130
131  // add a number of seconds to a phase
132  void add_time_secs(GCParPhases phase, uint worker_i, double secs);
133
134  void record_thread_work_item(GCParPhases phase, uint worker_i, size_t count);
135
136  // return the average time for a phase in milliseconds
137  double average_time_ms(GCParPhases phase);
138
139  size_t sum_thread_work_items(GCParPhases phase);
140
141 private:
142  double get_time_ms(GCParPhases phase, uint worker_i);
143  double sum_time_ms(GCParPhases phase);
144  double min_time_ms(GCParPhases phase);
145  double max_time_ms(GCParPhases phase);
146  size_t get_thread_work_item(GCParPhases phase, uint worker_i);
147  double average_thread_work_items(GCParPhases phase);
148  size_t min_thread_work_items(GCParPhases phase);
149  size_t max_thread_work_items(GCParPhases phase);
150
151 public:
152
153  void record_clear_ct_time(double ms) {
154    _cur_clear_ct_time_ms = ms;
155  }
156
157  void record_par_time(double ms) {
158    _cur_collection_par_time_ms = ms;
159  }
160
161  void record_code_root_fixup_time(double ms) {
162    _cur_collection_code_root_fixup_time_ms = ms;
163  }
164
165  void record_strong_code_root_purge_time(double ms) {
166    _cur_strong_code_root_purge_time_ms = ms;
167  }
168
169  void record_evac_fail_recalc_used_time(double ms) {
170    _cur_evac_fail_recalc_used = ms;
171  }
172
173  void record_evac_fail_restore_remsets(double ms) {
174    _cur_evac_fail_restore_remsets = ms;
175  }
176
177  void record_evac_fail_remove_self_forwards(double ms) {
178    _cur_evac_fail_remove_self_forwards = ms;
179  }
180
181  void record_string_dedup_fixup_time(double ms) {
182    _cur_string_dedup_fixup_time_ms = ms;
183  }
184
185  void record_ref_proc_time(double ms) {
186    _cur_ref_proc_time_ms = ms;
187  }
188
189  void record_ref_enq_time(double ms) {
190    _cur_ref_enq_time_ms = ms;
191  }
192
193  void record_root_region_scan_wait_time(double time_ms) {
194    _root_region_scan_wait_time_ms = time_ms;
195  }
196
197  void record_young_free_cset_time_ms(double time_ms) {
198    _recorded_young_free_cset_time_ms = time_ms;
199  }
200
201  void record_non_young_free_cset_time_ms(double time_ms) {
202    _recorded_non_young_free_cset_time_ms = time_ms;
203  }
204
205  void record_fast_reclaim_humongous_stats(double time_ms, size_t total, size_t candidates) {
206    _cur_fast_reclaim_humongous_register_time_ms = time_ms;
207    _cur_fast_reclaim_humongous_total = total;
208    _cur_fast_reclaim_humongous_candidates = candidates;
209  }
210
211  void record_fast_reclaim_humongous_time_ms(double value, size_t reclaimed) {
212    _cur_fast_reclaim_humongous_time_ms = value;
213    _cur_fast_reclaim_humongous_reclaimed = reclaimed;
214  }
215
216  void record_young_cset_choice_time_ms(double time_ms) {
217    _recorded_young_cset_choice_time_ms = time_ms;
218  }
219
220  void record_non_young_cset_choice_time_ms(double time_ms) {
221    _recorded_non_young_cset_choice_time_ms = time_ms;
222  }
223
224  void record_redirty_logged_cards_time_ms(double time_ms) {
225    _recorded_redirty_logged_cards_time_ms = time_ms;
226  }
227
228  void record_cur_collection_start_sec(double time_ms) {
229    _cur_collection_start_sec = time_ms;
230  }
231
232  void record_verify_before_time_ms(double time_ms) {
233    _cur_verify_before_time_ms = time_ms;
234  }
235
236  void record_verify_after_time_ms(double time_ms) {
237    _cur_verify_after_time_ms = time_ms;
238  }
239
240  double accounted_time_ms();
241
242  double cur_collection_start_sec() {
243    return _cur_collection_start_sec;
244  }
245
246  double cur_collection_par_time_ms() {
247    return _cur_collection_par_time_ms;
248  }
249
250  double cur_clear_ct_time_ms() {
251    return _cur_clear_ct_time_ms;
252  }
253
254  double root_region_scan_wait_time_ms() {
255    return _root_region_scan_wait_time_ms;
256  }
257
258  double young_cset_choice_time_ms() {
259    return _recorded_young_cset_choice_time_ms;
260  }
261
262  double young_free_cset_time_ms() {
263    return _recorded_young_free_cset_time_ms;
264  }
265
266  double non_young_cset_choice_time_ms() {
267    return _recorded_non_young_cset_choice_time_ms;
268  }
269
270  double non_young_free_cset_time_ms() {
271    return _recorded_non_young_free_cset_time_ms;
272  }
273
274  double fast_reclaim_humongous_time_ms() {
275    return _cur_fast_reclaim_humongous_time_ms;
276  }
277};
278
279class G1GCParPhaseTimesTracker : public StackObj {
280  double _start_time;
281  G1GCPhaseTimes::GCParPhases _phase;
282  G1GCPhaseTimes* _phase_times;
283  uint _worker_id;
284public:
285  G1GCParPhaseTimesTracker(G1GCPhaseTimes* phase_times, G1GCPhaseTimes::GCParPhases phase, uint worker_id);
286  ~G1GCParPhaseTimesTracker();
287};
288
289#endif // SHARE_VM_GC_G1_G1GCPHASETIMES_HPP
290