Mercurial > hg > graal-compiler
annotate src/share/vm/gc_implementation/shared/gcAdaptivePolicyCounters.cpp @ 4709:fd2b426c30db
7119908: G1: Cache CSet start region for each worker for subsequent reuse
Summary: Cache workers' calculated starting heap region, used for parallel iteration over the collcection set, for subsequent reuse.
Reviewed-by: tonyp, brutisso
author | johnc |
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date | Wed, 14 Dec 2011 17:43:55 -0800 |
parents | f95d63e2154a |
children |
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 #include "precompiled.hpp" |
26 #include "gc_implementation/shared/gcAdaptivePolicyCounters.hpp" | |
27 #include "memory/resourceArea.hpp" | |
0 | 28 |
29 // This class keeps statistical information and computes the | |
30 // size of the heap. | |
31 | |
32 GCAdaptivePolicyCounters::GCAdaptivePolicyCounters(const char* name, | |
33 int collectors, | |
34 int generations, | |
35 AdaptiveSizePolicy* size_policy_arg) | |
36 : GCPolicyCounters(name, collectors, generations), | |
37 _size_policy(size_policy_arg) { | |
38 if (UsePerfData) { | |
39 EXCEPTION_MARK; | |
40 ResourceMark rm; | |
41 | |
42 const char* cname = PerfDataManager::counter_name(name_space(), "edenSize"); | |
43 _eden_size_counter = PerfDataManager::create_variable(SUN_GC, cname, | |
44 PerfData::U_Bytes, _size_policy->calculated_eden_size_in_bytes(), CHECK); | |
45 | |
46 cname = PerfDataManager::counter_name(name_space(), "promoSize"); | |
47 _promo_size_counter = PerfDataManager::create_variable(SUN_GC, cname, | |
48 PerfData::U_Bytes, size_policy()->calculated_promo_size_in_bytes(), | |
49 CHECK); | |
50 | |
51 cname = PerfDataManager::counter_name(name_space(), "youngCapacity"); | |
52 size_t young_capacity_in_bytes = | |
53 _size_policy->calculated_eden_size_in_bytes() + | |
54 _size_policy->calculated_survivor_size_in_bytes(); | |
55 _young_capacity_counter = PerfDataManager::create_variable(SUN_GC, cname, | |
56 PerfData::U_Bytes, young_capacity_in_bytes, CHECK); | |
57 | |
58 cname = PerfDataManager::counter_name(name_space(), "avgSurvivedAvg"); | |
59 _avg_survived_avg_counter = PerfDataManager::create_variable(SUN_GC, cname, | |
60 PerfData::U_Bytes, size_policy()->calculated_survivor_size_in_bytes(), | |
61 CHECK); | |
62 | |
63 cname = PerfDataManager::counter_name(name_space(), "avgSurvivedDev"); | |
64 _avg_survived_dev_counter = PerfDataManager::create_variable(SUN_GC, cname, | |
65 PerfData::U_Bytes, (jlong) 0 , CHECK); | |
66 | |
67 cname = PerfDataManager::counter_name(name_space(), "avgSurvivedPaddedAvg"); | |
68 _avg_survived_padded_avg_counter = | |
69 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, | |
70 size_policy()->calculated_survivor_size_in_bytes(), CHECK); | |
71 | |
72 cname = PerfDataManager::counter_name(name_space(), "avgMinorPauseTime"); | |
73 _avg_minor_pause_counter = PerfDataManager::create_variable(SUN_GC, cname, | |
74 PerfData::U_Ticks, (jlong) _size_policy->_avg_minor_pause->average(), | |
75 CHECK); | |
76 | |
77 cname = PerfDataManager::counter_name(name_space(), "avgMinorIntervalTime"); | |
78 _avg_minor_interval_counter = PerfDataManager::create_variable(SUN_GC, | |
79 cname, | |
80 PerfData::U_Ticks, | |
81 (jlong) _size_policy->_avg_minor_interval->average(), | |
82 CHECK); | |
83 | |
84 #ifdef NOT_PRODUCT | |
85 // This is a counter for the most recent minor pause time | |
86 // (the last sample, not the average). It is useful for | |
87 // verifying the average pause time but not worth putting | |
88 // into the product. | |
89 cname = PerfDataManager::counter_name(name_space(), "minorPauseTime"); | |
90 _minor_pause_counter = PerfDataManager::create_variable(SUN_GC, cname, | |
91 PerfData::U_Ticks, (jlong) _size_policy->_avg_minor_pause->last_sample(), | |
92 CHECK); | |
93 #endif | |
94 | |
95 cname = PerfDataManager::counter_name(name_space(), "minorGcCost"); | |
96 _minor_gc_cost_counter = PerfDataManager::create_variable(SUN_GC, | |
97 cname, | |
98 PerfData::U_Ticks, | |
99 (jlong) _size_policy->minor_gc_cost(), | |
100 CHECK); | |
101 | |
102 cname = PerfDataManager::counter_name(name_space(), "mutatorCost"); | |
103 _mutator_cost_counter = PerfDataManager::create_variable(SUN_GC, cname, | |
104 PerfData::U_Ticks, (jlong) _size_policy->mutator_cost(), CHECK); | |
105 | |
106 cname = PerfDataManager::counter_name(name_space(), "survived"); | |
107 _survived_counter = PerfDataManager::create_variable(SUN_GC, cname, | |
108 PerfData::U_Bytes, (jlong) 0, CHECK); | |
109 | |
110 cname = PerfDataManager::counter_name(name_space(), "promoted"); | |
111 _promoted_counter = PerfDataManager::create_variable(SUN_GC, cname, | |
112 PerfData::U_Bytes, (jlong) 0, CHECK); | |
113 | |
114 cname = PerfDataManager::counter_name(name_space(), "avgYoungLive"); | |
115 _avg_young_live_counter = PerfDataManager::create_variable(SUN_GC, cname, | |
116 PerfData::U_Bytes, (jlong) size_policy()->avg_young_live()->average(), | |
117 CHECK); | |
118 | |
119 cname = PerfDataManager::counter_name(name_space(), "avgOldLive"); | |
120 _avg_old_live_counter = PerfDataManager::create_variable(SUN_GC, cname, | |
121 PerfData::U_Bytes, (jlong) size_policy()->avg_old_live()->average(), | |
122 CHECK); | |
123 | |
124 cname = PerfDataManager::counter_name(name_space(), "survivorOverflowed"); | |
125 _survivor_overflowed_counter = PerfDataManager::create_variable(SUN_GC, cname, | |
126 PerfData::U_Events, (jlong)0, CHECK); | |
127 | |
128 cname = PerfDataManager::counter_name(name_space(), | |
129 "decrementTenuringThresholdForGcCost"); | |
130 _decrement_tenuring_threshold_for_gc_cost_counter = | |
131 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events, | |
132 (jlong)0, CHECK); | |
133 | |
134 cname = PerfDataManager::counter_name(name_space(), | |
135 "incrementTenuringThresholdForGcCost"); | |
136 _increment_tenuring_threshold_for_gc_cost_counter = | |
137 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events, | |
138 (jlong)0, CHECK); | |
139 | |
140 cname = PerfDataManager::counter_name(name_space(), | |
141 "decrementTenuringThresholdForSurvivorLimit"); | |
142 _decrement_tenuring_threshold_for_survivor_limit_counter = | |
143 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events, | |
144 (jlong)0, CHECK); | |
145 cname = PerfDataManager::counter_name(name_space(), | |
146 "changeYoungGenForMinPauses"); | |
147 _change_young_gen_for_min_pauses_counter = | |
148 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events, | |
149 (jlong)0, CHECK); | |
150 | |
151 cname = PerfDataManager::counter_name(name_space(), | |
152 "changeOldGenForMajPauses"); | |
153 _change_old_gen_for_maj_pauses_counter = | |
154 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events, | |
155 (jlong)0, CHECK); | |
156 | |
157 cname = PerfDataManager::counter_name(name_space(), | |
158 "increaseOldGenForThroughput"); | |
159 _change_old_gen_for_throughput_counter = | |
160 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events, | |
161 (jlong)0, CHECK); | |
162 | |
163 cname = PerfDataManager::counter_name(name_space(), | |
164 "increaseYoungGenForThroughput"); | |
165 _change_young_gen_for_throughput_counter = | |
166 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events, | |
167 (jlong)0, CHECK); | |
168 | |
169 cname = PerfDataManager::counter_name(name_space(), | |
170 "decreaseForFootprint"); | |
171 _decrease_for_footprint_counter = | |
172 PerfDataManager::create_variable(SUN_GC, cname, | |
173 PerfData::U_Events, (jlong)0, CHECK); | |
174 | |
175 cname = PerfDataManager::counter_name(name_space(), "decideAtFullGc"); | |
176 _decide_at_full_gc_counter = PerfDataManager::create_variable(SUN_GC, cname, | |
177 PerfData::U_None, (jlong)0, CHECK); | |
178 | |
179 cname = PerfDataManager::counter_name(name_space(), "minorPauseYoungSlope"); | |
180 _minor_pause_young_slope_counter = | |
181 PerfDataManager::create_variable(SUN_GC, cname, | |
182 PerfData::U_None, (jlong) 0, CHECK); | |
183 | |
184 cname = PerfDataManager::counter_name(name_space(), "majorCollectionSlope"); | |
185 _major_collection_slope_counter = | |
186 PerfDataManager::create_variable(SUN_GC, cname, | |
187 PerfData::U_None, (jlong) 0, CHECK); | |
188 | |
189 cname = PerfDataManager::counter_name(name_space(), "minorCollectionSlope"); | |
190 _minor_collection_slope_counter = | |
191 PerfDataManager::create_variable(SUN_GC, cname, | |
192 PerfData::U_None, (jlong) 0, CHECK); | |
193 } | |
194 } | |
195 | |
196 void GCAdaptivePolicyCounters::update_counters_from_policy() { | |
197 if (UsePerfData && (size_policy() != NULL)) { | |
198 update_avg_minor_pause_counter(); | |
199 update_avg_minor_interval_counter(); | |
200 #ifdef NOT_PRODUCT | |
201 update_minor_pause_counter(); | |
202 #endif | |
203 update_minor_gc_cost_counter(); | |
204 update_avg_young_live_counter(); | |
205 | |
206 update_survivor_size_counters(); | |
207 update_avg_survived_avg_counters(); | |
208 update_avg_survived_dev_counters(); | |
209 update_avg_survived_padded_avg_counters(); | |
210 | |
211 update_change_old_gen_for_throughput(); | |
212 update_change_young_gen_for_throughput(); | |
213 update_decrease_for_footprint(); | |
214 update_change_young_gen_for_min_pauses(); | |
215 update_change_old_gen_for_maj_pauses(); | |
216 | |
217 update_minor_pause_young_slope_counter(); | |
218 update_minor_collection_slope_counter(); | |
219 update_major_collection_slope_counter(); | |
220 } | |
221 } | |
222 | |
223 void GCAdaptivePolicyCounters::update_counters() { | |
224 if (UsePerfData) { | |
225 update_counters_from_policy(); | |
226 } | |
227 } |