Mercurial > hg > graal-jvmci-8
annotate src/share/vm/gc_implementation/concurrentMarkSweep/cmsGCAdaptivePolicyCounters.hpp @ 14309:63a4eb8bcd23
8025856: Fix typos in the GC code
Summary: Fix about 440 typos in comments in the VM code
Reviewed-by: mgerdin, tschatzl, coleenp, kmo, jcoomes
author | jwilhelm |
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date | Thu, 23 Jan 2014 14:47:23 +0100 |
parents | f95d63e2154a |
children | 4ca6dc0799b6 |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
1552
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSGCADAPTIVEPOLICYCOUNTERS_HPP |
26 #define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSGCADAPTIVEPOLICYCOUNTERS_HPP | |
27 | |
28 #include "gc_implementation/concurrentMarkSweep/cmsAdaptiveSizePolicy.hpp" | |
29 #include "gc_implementation/shared/gcAdaptivePolicyCounters.hpp" | |
30 #include "gc_implementation/shared/gcStats.hpp" | |
31 #include "runtime/perfData.hpp" | |
32 | |
0 | 33 // CMSGCAdaptivePolicyCounters is a holder class for performance counters |
34 // that track the data and decisions for the ergonomics policy for the | |
35 // concurrent mark sweep collector | |
36 | |
37 class CMSGCAdaptivePolicyCounters : public GCAdaptivePolicyCounters { | |
38 friend class VMStructs; | |
39 | |
40 private: | |
41 | |
42 // Capacity of tenured generation recorded at the end of | |
43 // any collection. | |
44 PerfVariable* _cms_capacity_counter; // Make this common with PS _old_capacity | |
45 | |
46 // Average stop-the-world pause time for both initial and | |
47 // remark pauses sampled at the end of the checkpointRootsFinalWork. | |
48 PerfVariable* _avg_cms_STW_time_counter; | |
49 // Average stop-the-world (STW) GC cost for the STW pause time | |
50 // _avg_cms_STW_time_counter. | |
51 PerfVariable* _avg_cms_STW_gc_cost_counter; | |
52 | |
53 #ifdef NOT_PRODUCT | |
54 // These are useful to see how the most recent values of these | |
55 // counters compare to their respective averages but | |
56 // do not control behavior. | |
57 PerfVariable* _initial_pause_counter; | |
58 PerfVariable* _remark_pause_counter; | |
59 #endif | |
60 | |
61 // Average of the initial marking pause for a concurrent collection. | |
62 PerfVariable* _avg_initial_pause_counter; | |
63 // Average of the remark pause for a concurrent collection. | |
64 PerfVariable* _avg_remark_pause_counter; | |
65 | |
66 // Average for the sum of all the concurrent times per collection. | |
67 PerfVariable* _avg_concurrent_time_counter; | |
68 // Average for the time between the most recent end of a | |
69 // concurrent collection and the beginning of the next | |
70 // concurrent collection. | |
71 PerfVariable* _avg_concurrent_interval_counter; | |
72 // Average of the concurrent GC costs based on _avg_concurrent_time_counter | |
73 // and _avg_concurrent_interval_counter. | |
74 PerfVariable* _avg_concurrent_gc_cost_counter; | |
75 | |
76 // Average of the free space in the tenured generation at the | |
77 // end of the sweep of the tenured generation. | |
78 PerfVariable* _avg_cms_free_counter; | |
79 // Average of the free space in the tenured generation at the | |
605 | 80 // start of the sweep of the tenured generation. |
0 | 81 PerfVariable* _avg_cms_free_at_sweep_counter; |
82 // Average of the free space in the tenured generation at the | |
83 // after any resizing of the tenured generation at the end | |
84 // of a collection of the tenured generation. | |
85 PerfVariable* _avg_cms_promo_counter; | |
86 | |
87 // Average of the mark-sweep-compact (MSC) pause time for a collection | |
88 // of the tenured generation. | |
89 PerfVariable* _avg_msc_pause_counter; | |
90 // Average for the time between the most recent end of a | |
14309 | 91 // MSC collection and the beginning of the next MSC collection. |
0 | 92 PerfVariable* _avg_msc_interval_counter; |
93 // Average for the GC cost of a MSC collection based on | |
94 // _avg_msc_pause_counter and _avg_msc_interval_counter. | |
95 PerfVariable* _msc_gc_cost_counter; | |
96 | |
97 // Average of the mark-sweep (MS) pause time for a collection | |
98 // of the tenured generation. | |
99 PerfVariable* _avg_ms_pause_counter; | |
100 // Average for the time between the most recent end of a | |
14309 | 101 // MS collection and the beginning of the next MS collection. |
0 | 102 PerfVariable* _avg_ms_interval_counter; |
103 // Average for the GC cost of a MS collection based on | |
104 // _avg_ms_pause_counter and _avg_ms_interval_counter. | |
105 PerfVariable* _ms_gc_cost_counter; | |
106 | |
107 // Average of the bytes promoted per minor collection. | |
108 PerfVariable* _promoted_avg_counter; | |
14309 | 109 // Average of the deviation of the promoted average. |
0 | 110 PerfVariable* _promoted_avg_dev_counter; |
14309 | 111 // Padded average of the bytes promoted per minor collection. |
0 | 112 PerfVariable* _promoted_padded_avg_counter; |
113 | |
114 // See description of the _change_young_gen_for_maj_pauses | |
115 // variable recently in cmsAdaptiveSizePolicy.hpp. | |
116 PerfVariable* _change_young_gen_for_maj_pauses_counter; | |
117 | |
118 // See descriptions of _remark_pause_old_slope, _initial_pause_old_slope, | |
119 // etc. variables recently in cmsAdaptiveSizePolicy.hpp. | |
120 PerfVariable* _remark_pause_old_slope_counter; | |
121 PerfVariable* _initial_pause_old_slope_counter; | |
122 PerfVariable* _remark_pause_young_slope_counter; | |
123 PerfVariable* _initial_pause_young_slope_counter; | |
124 | |
125 CMSAdaptiveSizePolicy* cms_size_policy() { | |
126 assert(_size_policy->kind() == | |
127 AdaptiveSizePolicy::_gc_cms_adaptive_size_policy, | |
128 "Wrong size policy"); | |
129 return (CMSAdaptiveSizePolicy*)_size_policy; | |
130 } | |
131 | |
132 inline void update_avg_cms_STW_time_counter() { | |
133 _avg_cms_STW_time_counter->set_value( | |
134 (jlong) (cms_size_policy()->avg_cms_STW_time()->average() * | |
135 (double) MILLIUNITS)); | |
136 } | |
137 | |
138 inline void update_avg_cms_STW_gc_cost_counter() { | |
139 _avg_cms_STW_gc_cost_counter->set_value( | |
140 (jlong) (cms_size_policy()->avg_cms_STW_gc_cost()->average() * 100.0)); | |
141 } | |
142 | |
143 inline void update_avg_initial_pause_counter() { | |
144 _avg_initial_pause_counter->set_value( | |
145 (jlong) (cms_size_policy()->avg_initial_pause()->average() * | |
146 (double) MILLIUNITS)); | |
147 } | |
148 #ifdef NOT_PRODUCT | |
149 inline void update_avg_remark_pause_counter() { | |
150 _avg_remark_pause_counter->set_value( | |
151 (jlong) (cms_size_policy()-> avg_remark_pause()->average() * | |
152 (double) MILLIUNITS)); | |
153 } | |
154 | |
155 inline void update_initial_pause_counter() { | |
156 _initial_pause_counter->set_value( | |
157 (jlong) (cms_size_policy()->avg_initial_pause()->average() * | |
158 (double) MILLIUNITS)); | |
159 } | |
160 #endif | |
161 inline void update_remark_pause_counter() { | |
162 _remark_pause_counter->set_value( | |
163 (jlong) (cms_size_policy()-> avg_remark_pause()->last_sample() * | |
164 (double) MILLIUNITS)); | |
165 } | |
166 | |
167 inline void update_avg_concurrent_time_counter() { | |
168 _avg_concurrent_time_counter->set_value( | |
169 (jlong) (cms_size_policy()->avg_concurrent_time()->last_sample() * | |
170 (double) MILLIUNITS)); | |
171 } | |
172 | |
173 inline void update_avg_concurrent_interval_counter() { | |
174 _avg_concurrent_interval_counter->set_value( | |
175 (jlong) (cms_size_policy()->avg_concurrent_interval()->average() * | |
176 (double) MILLIUNITS)); | |
177 } | |
178 | |
179 inline void update_avg_concurrent_gc_cost_counter() { | |
180 _avg_concurrent_gc_cost_counter->set_value( | |
181 (jlong) (cms_size_policy()->avg_concurrent_gc_cost()->average() * 100.0)); | |
182 } | |
183 | |
184 inline void update_avg_cms_free_counter() { | |
185 _avg_cms_free_counter->set_value( | |
186 (jlong) cms_size_policy()->avg_cms_free()->average()); | |
187 } | |
188 | |
189 inline void update_avg_cms_free_at_sweep_counter() { | |
190 _avg_cms_free_at_sweep_counter->set_value( | |
191 (jlong) cms_size_policy()->avg_cms_free_at_sweep()->average()); | |
192 } | |
193 | |
194 inline void update_avg_cms_promo_counter() { | |
195 _avg_cms_promo_counter->set_value( | |
196 (jlong) cms_size_policy()->avg_cms_promo()->average()); | |
197 } | |
198 | |
199 inline void update_avg_old_live_counter() { | |
200 _avg_old_live_counter->set_value( | |
201 (jlong)(cms_size_policy()->avg_old_live()->average()) | |
202 ); | |
203 } | |
204 | |
205 inline void update_avg_msc_pause_counter() { | |
206 _avg_msc_pause_counter->set_value( | |
207 (jlong) (cms_size_policy()->avg_msc_pause()->average() * | |
208 (double) MILLIUNITS)); | |
209 } | |
210 | |
211 inline void update_avg_msc_interval_counter() { | |
212 _avg_msc_interval_counter->set_value( | |
213 (jlong) (cms_size_policy()->avg_msc_interval()->average() * | |
214 (double) MILLIUNITS)); | |
215 } | |
216 | |
217 inline void update_msc_gc_cost_counter() { | |
218 _msc_gc_cost_counter->set_value( | |
219 (jlong) (cms_size_policy()->avg_msc_gc_cost()->average() * 100.0)); | |
220 } | |
221 | |
222 inline void update_avg_ms_pause_counter() { | |
223 _avg_ms_pause_counter->set_value( | |
224 (jlong) (cms_size_policy()->avg_ms_pause()->average() * | |
225 (double) MILLIUNITS)); | |
226 } | |
227 | |
228 inline void update_avg_ms_interval_counter() { | |
229 _avg_ms_interval_counter->set_value( | |
230 (jlong) (cms_size_policy()->avg_ms_interval()->average() * | |
231 (double) MILLIUNITS)); | |
232 } | |
233 | |
234 inline void update_ms_gc_cost_counter() { | |
235 _ms_gc_cost_counter->set_value( | |
236 (jlong) (cms_size_policy()->avg_ms_gc_cost()->average() * 100.0)); | |
237 } | |
238 | |
239 inline void update_major_gc_cost_counter() { | |
240 _major_gc_cost_counter->set_value( | |
241 (jlong)(cms_size_policy()->cms_gc_cost() * 100.0) | |
242 ); | |
243 } | |
244 inline void update_mutator_cost_counter() { | |
245 _mutator_cost_counter->set_value( | |
246 (jlong)(cms_size_policy()->mutator_cost() * 100.0) | |
247 ); | |
248 } | |
249 | |
250 inline void update_avg_promoted_avg(CMSGCStats* gc_stats) { | |
251 _promoted_avg_counter->set_value( | |
252 (jlong)(gc_stats->avg_promoted()->average()) | |
253 ); | |
254 } | |
255 inline void update_avg_promoted_dev(CMSGCStats* gc_stats) { | |
256 _promoted_avg_dev_counter->set_value( | |
257 (jlong)(gc_stats->avg_promoted()->deviation()) | |
258 ); | |
259 } | |
260 inline void update_avg_promoted_padded_avg(CMSGCStats* gc_stats) { | |
261 _promoted_padded_avg_counter->set_value( | |
262 (jlong)(gc_stats->avg_promoted()->padded_average()) | |
263 ); | |
264 } | |
265 inline void update_remark_pause_old_slope_counter() { | |
266 _remark_pause_old_slope_counter->set_value( | |
267 (jlong)(cms_size_policy()->remark_pause_old_slope() * 1000) | |
268 ); | |
269 } | |
270 inline void update_initial_pause_old_slope_counter() { | |
271 _initial_pause_old_slope_counter->set_value( | |
272 (jlong)(cms_size_policy()->initial_pause_old_slope() * 1000) | |
273 ); | |
274 } | |
275 inline void update_remark_pause_young_slope_counter() { | |
276 _remark_pause_young_slope_counter->set_value( | |
277 (jlong)(cms_size_policy()->remark_pause_young_slope() * 1000) | |
278 ); | |
279 } | |
280 inline void update_initial_pause_young_slope_counter() { | |
281 _initial_pause_young_slope_counter->set_value( | |
282 (jlong)(cms_size_policy()->initial_pause_young_slope() * 1000) | |
283 ); | |
284 } | |
285 inline void update_change_young_gen_for_maj_pauses() { | |
286 _change_young_gen_for_maj_pauses_counter->set_value( | |
287 cms_size_policy()->change_young_gen_for_maj_pauses()); | |
288 } | |
289 | |
290 public: | |
291 CMSGCAdaptivePolicyCounters(const char* name, int collectors, int generations, | |
292 AdaptiveSizePolicy* size_policy); | |
293 | |
294 // update counters | |
295 void update_counters(); | |
296 void update_counters(CMSGCStats* gc_stats); | |
297 void update_counters_from_policy(); | |
298 | |
299 inline void update_cms_capacity_counter(size_t size_in_bytes) { | |
300 _cms_capacity_counter->set_value(size_in_bytes); | |
301 } | |
302 | |
303 virtual GCPolicyCounters::Name kind() const { | |
304 return GCPolicyCounters::CMSGCAdaptivePolicyCountersKind; | |
305 } | |
306 }; | |
1972 | 307 |
308 #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSGCADAPTIVEPOLICYCOUNTERS_HPP |