Fri, 01 Nov 2013 17:09:38 +0100
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
7057939: jmap shows MaxNewSize=4GB when Java is using parallel collector
Summary: Major cleanup of the collectorpolicy classes
Reviewed-by: tschatzl, jcoomes
1 /*
2 * Copyright (c) 2004, 2010, 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 */
25 #include "precompiled.hpp"
26 #include "gc_implementation/concurrentMarkSweep/cmsGCAdaptivePolicyCounters.hpp"
27 #include "memory/resourceArea.hpp"
29 CMSGCAdaptivePolicyCounters::CMSGCAdaptivePolicyCounters(const char* name_arg,
30 int collectors,
31 int generations,
32 AdaptiveSizePolicy* size_policy_arg)
33 : GCAdaptivePolicyCounters(name_arg,
34 collectors,
35 generations,
36 size_policy_arg) {
37 if (UsePerfData) {
38 EXCEPTION_MARK;
39 ResourceMark rm;
41 const char* cname =
42 PerfDataManager::counter_name(name_space(), "cmsCapacity");
43 _cms_capacity_counter = PerfDataManager::create_variable(SUN_GC, cname,
44 PerfData::U_Bytes, (jlong) OldSize, CHECK);
45 #ifdef NOT_PRODUCT
46 cname =
47 PerfDataManager::counter_name(name_space(), "initialPause");
48 _initial_pause_counter = PerfDataManager::create_variable(SUN_GC, cname,
49 PerfData::U_Ticks,
50 (jlong) cms_size_policy()->avg_initial_pause()->last_sample(),
51 CHECK);
53 cname = PerfDataManager::counter_name(name_space(), "remarkPause");
54 _remark_pause_counter = PerfDataManager::create_variable(SUN_GC, cname,
55 PerfData::U_Ticks,
56 (jlong) cms_size_policy()->avg_remark_pause()->last_sample(),
57 CHECK);
58 #endif
59 cname =
60 PerfDataManager::counter_name(name_space(), "avgInitialPause");
61 _avg_initial_pause_counter = PerfDataManager::create_variable(SUN_GC, cname,
62 PerfData::U_Ticks,
63 (jlong) cms_size_policy()->avg_initial_pause()->average(),
64 CHECK);
66 cname = PerfDataManager::counter_name(name_space(), "avgRemarkPause");
67 _avg_remark_pause_counter = PerfDataManager::create_variable(SUN_GC, cname,
68 PerfData::U_Ticks,
69 (jlong) cms_size_policy()->avg_remark_pause()->average(),
70 CHECK);
72 cname = PerfDataManager::counter_name(name_space(), "avgSTWGcCost");
73 _avg_cms_STW_gc_cost_counter = PerfDataManager::create_variable(SUN_GC,
74 cname,
75 PerfData::U_Ticks,
76 (jlong) cms_size_policy()->avg_cms_STW_gc_cost()->average(),
77 CHECK);
79 cname = PerfDataManager::counter_name(name_space(), "avgSTWTime");
80 _avg_cms_STW_time_counter = PerfDataManager::create_variable(SUN_GC,
81 cname,
82 PerfData::U_Ticks,
83 (jlong) cms_size_policy()->avg_cms_STW_time()->average(),
84 CHECK);
87 cname = PerfDataManager::counter_name(name_space(), "avgConcurrentTime");
88 _avg_concurrent_time_counter = PerfDataManager::create_variable(SUN_GC,
89 cname,
90 PerfData::U_Ticks,
91 (jlong) cms_size_policy()->avg_concurrent_time()->average(),
92 CHECK);
94 cname =
95 PerfDataManager::counter_name(name_space(), "avgConcurrentInterval");
96 _avg_concurrent_interval_counter = PerfDataManager::create_variable(SUN_GC,
97 cname,
98 PerfData::U_Ticks,
99 (jlong) cms_size_policy()->avg_concurrent_interval()->average(),
100 CHECK);
102 cname = PerfDataManager::counter_name(name_space(), "avgConcurrentGcCost");
103 _avg_concurrent_gc_cost_counter = PerfDataManager::create_variable(SUN_GC,
104 cname,
105 PerfData::U_Ticks,
106 (jlong) cms_size_policy()->avg_concurrent_gc_cost()->average(),
107 CHECK);
109 cname = PerfDataManager::counter_name(name_space(), "avgCMSFreeAtSweep");
110 _avg_cms_free_at_sweep_counter = PerfDataManager::create_variable(SUN_GC,
111 cname,
112 PerfData::U_Ticks,
113 (jlong) cms_size_policy()->avg_cms_free_at_sweep()->average(),
114 CHECK);
116 cname = PerfDataManager::counter_name(name_space(), "avgCMSFree");
117 _avg_cms_free_counter = PerfDataManager::create_variable(SUN_GC,
118 cname,
119 PerfData::U_Ticks,
120 (jlong) cms_size_policy()->avg_cms_free()->average(),
121 CHECK);
123 cname = PerfDataManager::counter_name(name_space(), "avgCMSPromo");
124 _avg_cms_promo_counter = PerfDataManager::create_variable(SUN_GC,
125 cname,
126 PerfData::U_Ticks,
127 (jlong) cms_size_policy()->avg_cms_promo()->average(),
128 CHECK);
130 cname = PerfDataManager::counter_name(name_space(), "avgMscPause");
131 _avg_msc_pause_counter = PerfDataManager::create_variable(SUN_GC,
132 cname,
133 PerfData::U_Ticks,
134 (jlong) cms_size_policy()->avg_msc_pause()->average(),
135 CHECK);
137 cname = PerfDataManager::counter_name(name_space(), "avgMscInterval");
138 _avg_msc_interval_counter = PerfDataManager::create_variable(SUN_GC,
139 cname,
140 PerfData::U_Ticks,
141 (jlong) cms_size_policy()->avg_msc_interval()->average(),
142 CHECK);
144 cname = PerfDataManager::counter_name(name_space(), "mscGcCost");
145 _msc_gc_cost_counter = PerfDataManager::create_variable(SUN_GC,
146 cname,
147 PerfData::U_Ticks,
148 (jlong) cms_size_policy()->avg_msc_gc_cost()->average(),
149 CHECK);
151 cname = PerfDataManager::counter_name(name_space(), "avgMsPause");
152 _avg_ms_pause_counter = PerfDataManager::create_variable(SUN_GC,
153 cname,
154 PerfData::U_Ticks,
155 (jlong) cms_size_policy()->avg_ms_pause()->average(),
156 CHECK);
158 cname = PerfDataManager::counter_name(name_space(), "avgMsInterval");
159 _avg_ms_interval_counter = PerfDataManager::create_variable(SUN_GC,
160 cname,
161 PerfData::U_Ticks,
162 (jlong) cms_size_policy()->avg_ms_interval()->average(),
163 CHECK);
165 cname = PerfDataManager::counter_name(name_space(), "msGcCost");
166 _ms_gc_cost_counter = PerfDataManager::create_variable(SUN_GC,
167 cname,
168 PerfData::U_Ticks,
169 (jlong) cms_size_policy()->avg_ms_gc_cost()->average(),
170 CHECK);
172 cname = PerfDataManager::counter_name(name_space(), "majorGcCost");
173 _major_gc_cost_counter = PerfDataManager::create_variable(SUN_GC, cname,
174 PerfData::U_Ticks, (jlong) cms_size_policy()->cms_gc_cost(), CHECK);
176 cname = PerfDataManager::counter_name(name_space(), "avgPromotedAvg");
177 _promoted_avg_counter =
178 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
179 cms_size_policy()->calculated_promo_size_in_bytes(), CHECK);
181 cname = PerfDataManager::counter_name(name_space(), "avgPromotedDev");
182 _promoted_avg_dev_counter =
183 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
184 (jlong) 0 , CHECK);
186 cname = PerfDataManager::counter_name(name_space(), "avgPromotedPaddedAvg");
187 _promoted_padded_avg_counter =
188 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
189 cms_size_policy()->calculated_promo_size_in_bytes(), CHECK);
191 cname = PerfDataManager::counter_name(name_space(),
192 "changeYoungGenForMajPauses");
193 _change_young_gen_for_maj_pauses_counter =
194 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
195 (jlong)0, CHECK);
197 cname = PerfDataManager::counter_name(name_space(), "remarkPauseOldSlope");
198 _remark_pause_old_slope_counter =
199 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
200 (jlong) cms_size_policy()->remark_pause_old_slope(), CHECK);
202 cname = PerfDataManager::counter_name(name_space(), "initialPauseOldSlope");
203 _initial_pause_old_slope_counter =
204 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
205 (jlong) cms_size_policy()->initial_pause_old_slope(), CHECK);
207 cname =
208 PerfDataManager::counter_name(name_space(), "remarkPauseYoungSlope") ;
209 _remark_pause_young_slope_counter =
210 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
211 (jlong) cms_size_policy()->remark_pause_young_slope(), CHECK);
213 cname =
214 PerfDataManager::counter_name(name_space(), "initialPauseYoungSlope");
215 _initial_pause_young_slope_counter =
216 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
217 (jlong) cms_size_policy()->initial_pause_young_slope(), CHECK);
220 }
221 assert(size_policy()->is_gc_cms_adaptive_size_policy(),
222 "Wrong type of size policy");
223 }
225 void CMSGCAdaptivePolicyCounters::update_counters() {
226 if (UsePerfData) {
227 GCAdaptivePolicyCounters::update_counters_from_policy();
228 update_counters_from_policy();
229 }
230 }
232 void CMSGCAdaptivePolicyCounters::update_counters(CMSGCStats* gc_stats) {
233 if (UsePerfData) {
234 update_counters();
235 update_promoted((size_t) gc_stats->avg_promoted()->last_sample());
236 update_avg_promoted_avg(gc_stats);
237 update_avg_promoted_dev(gc_stats);
238 update_avg_promoted_padded_avg(gc_stats);
239 }
240 }
242 void CMSGCAdaptivePolicyCounters::update_counters_from_policy() {
243 if (UsePerfData && (cms_size_policy() != NULL)) {
245 GCAdaptivePolicyCounters::update_counters_from_policy();
247 update_major_gc_cost_counter();
248 update_mutator_cost_counter();
250 update_eden_size();
251 update_promo_size();
253 // If these updates from the last_sample() work,
254 // revise the update methods for these counters
255 // (both here and in PS).
256 update_survived((size_t) cms_size_policy()->avg_survived()->last_sample());
258 update_avg_concurrent_time_counter();
259 update_avg_concurrent_interval_counter();
260 update_avg_concurrent_gc_cost_counter();
261 #ifdef NOT_PRODUCT
262 update_initial_pause_counter();
263 update_remark_pause_counter();
264 #endif
265 update_avg_initial_pause_counter();
266 update_avg_remark_pause_counter();
268 update_avg_cms_STW_time_counter();
269 update_avg_cms_STW_gc_cost_counter();
271 update_avg_cms_free_counter();
272 update_avg_cms_free_at_sweep_counter();
273 update_avg_cms_promo_counter();
275 update_avg_msc_pause_counter();
276 update_avg_msc_interval_counter();
277 update_msc_gc_cost_counter();
279 update_avg_ms_pause_counter();
280 update_avg_ms_interval_counter();
281 update_ms_gc_cost_counter();
283 update_avg_old_live_counter();
285 update_survivor_size_counters();
286 update_avg_survived_avg_counters();
287 update_avg_survived_dev_counters();
289 update_decrement_tenuring_threshold_for_gc_cost();
290 update_increment_tenuring_threshold_for_gc_cost();
291 update_decrement_tenuring_threshold_for_survivor_limit();
293 update_change_young_gen_for_maj_pauses();
295 update_major_collection_slope_counter();
296 update_remark_pause_old_slope_counter();
297 update_initial_pause_old_slope_counter();
298 update_remark_pause_young_slope_counter();
299 update_initial_pause_young_slope_counter();
301 update_decide_at_full_gc_counter();
302 }
303 }