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annotate src/share/vm/gc_implementation/concurrentMarkSweep/cmsGCAdaptivePolicyCounters.hpp @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
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| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | 98cb887364d3 |
| children | f95d63e2154a |
| rev | line source |
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| 0 | 1 /* |
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2 * Copyright (c) 2004, 2005, 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 * | |
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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 | |
| 25 // CMSGCAdaptivePolicyCounters is a holder class for performance counters | |
| 26 // that track the data and decisions for the ergonomics policy for the | |
| 27 // concurrent mark sweep collector | |
| 28 | |
| 29 class CMSGCAdaptivePolicyCounters : public GCAdaptivePolicyCounters { | |
| 30 friend class VMStructs; | |
| 31 | |
| 32 private: | |
| 33 | |
| 34 // Capacity of tenured generation recorded at the end of | |
| 35 // any collection. | |
| 36 PerfVariable* _cms_capacity_counter; // Make this common with PS _old_capacity | |
| 37 | |
| 38 // Average stop-the-world pause time for both initial and | |
| 39 // remark pauses sampled at the end of the checkpointRootsFinalWork. | |
| 40 PerfVariable* _avg_cms_STW_time_counter; | |
| 41 // Average stop-the-world (STW) GC cost for the STW pause time | |
| 42 // _avg_cms_STW_time_counter. | |
| 43 PerfVariable* _avg_cms_STW_gc_cost_counter; | |
| 44 | |
| 45 #ifdef NOT_PRODUCT | |
| 46 // These are useful to see how the most recent values of these | |
| 47 // counters compare to their respective averages but | |
| 48 // do not control behavior. | |
| 49 PerfVariable* _initial_pause_counter; | |
| 50 PerfVariable* _remark_pause_counter; | |
| 51 #endif | |
| 52 | |
| 53 // Average of the initial marking pause for a concurrent collection. | |
| 54 PerfVariable* _avg_initial_pause_counter; | |
| 55 // Average of the remark pause for a concurrent collection. | |
| 56 PerfVariable* _avg_remark_pause_counter; | |
| 57 | |
| 58 // Average for the sum of all the concurrent times per collection. | |
| 59 PerfVariable* _avg_concurrent_time_counter; | |
| 60 // Average for the time between the most recent end of a | |
| 61 // concurrent collection and the beginning of the next | |
| 62 // concurrent collection. | |
| 63 PerfVariable* _avg_concurrent_interval_counter; | |
| 64 // Average of the concurrent GC costs based on _avg_concurrent_time_counter | |
| 65 // and _avg_concurrent_interval_counter. | |
| 66 PerfVariable* _avg_concurrent_gc_cost_counter; | |
| 67 | |
| 68 // Average of the free space in the tenured generation at the | |
| 69 // end of the sweep of the tenured generation. | |
| 70 PerfVariable* _avg_cms_free_counter; | |
| 71 // Average of the free space in the tenured generation at the | |
| 605 | 72 // start of the sweep of the tenured generation. |
| 0 | 73 PerfVariable* _avg_cms_free_at_sweep_counter; |
| 74 // Average of the free space in the tenured generation at the | |
| 75 // after any resizing of the tenured generation at the end | |
| 76 // of a collection of the tenured generation. | |
| 77 PerfVariable* _avg_cms_promo_counter; | |
| 78 | |
| 79 // Average of the mark-sweep-compact (MSC) pause time for a collection | |
| 80 // of the tenured generation. | |
| 81 PerfVariable* _avg_msc_pause_counter; | |
| 82 // Average for the time between the most recent end of a | |
| 83 // MSC collection and the beginning of the next | |
| 84 // MSC collection. | |
| 85 PerfVariable* _avg_msc_interval_counter; | |
| 86 // Average for the GC cost of a MSC collection based on | |
| 87 // _avg_msc_pause_counter and _avg_msc_interval_counter. | |
| 88 PerfVariable* _msc_gc_cost_counter; | |
| 89 | |
| 90 // Average of the mark-sweep (MS) pause time for a collection | |
| 91 // of the tenured generation. | |
| 92 PerfVariable* _avg_ms_pause_counter; | |
| 93 // Average for the time between the most recent end of a | |
| 94 // MS collection and the beginning of the next | |
| 95 // MS collection. | |
| 96 PerfVariable* _avg_ms_interval_counter; | |
| 97 // Average for the GC cost of a MS collection based on | |
| 98 // _avg_ms_pause_counter and _avg_ms_interval_counter. | |
| 99 PerfVariable* _ms_gc_cost_counter; | |
| 100 | |
| 101 // Average of the bytes promoted per minor collection. | |
| 102 PerfVariable* _promoted_avg_counter; | |
| 103 // Average of the deviation of the promoted average | |
| 104 PerfVariable* _promoted_avg_dev_counter; | |
| 105 // Padded average of the bytes promoted per minor colleciton | |
| 106 PerfVariable* _promoted_padded_avg_counter; | |
| 107 | |
| 108 // See description of the _change_young_gen_for_maj_pauses | |
| 109 // variable recently in cmsAdaptiveSizePolicy.hpp. | |
| 110 PerfVariable* _change_young_gen_for_maj_pauses_counter; | |
| 111 | |
| 112 // See descriptions of _remark_pause_old_slope, _initial_pause_old_slope, | |
| 113 // etc. variables recently in cmsAdaptiveSizePolicy.hpp. | |
| 114 PerfVariable* _remark_pause_old_slope_counter; | |
| 115 PerfVariable* _initial_pause_old_slope_counter; | |
| 116 PerfVariable* _remark_pause_young_slope_counter; | |
| 117 PerfVariable* _initial_pause_young_slope_counter; | |
| 118 | |
| 119 CMSAdaptiveSizePolicy* cms_size_policy() { | |
| 120 assert(_size_policy->kind() == | |
| 121 AdaptiveSizePolicy::_gc_cms_adaptive_size_policy, | |
| 122 "Wrong size policy"); | |
| 123 return (CMSAdaptiveSizePolicy*)_size_policy; | |
| 124 } | |
| 125 | |
| 126 inline void update_avg_cms_STW_time_counter() { | |
| 127 _avg_cms_STW_time_counter->set_value( | |
| 128 (jlong) (cms_size_policy()->avg_cms_STW_time()->average() * | |
| 129 (double) MILLIUNITS)); | |
| 130 } | |
| 131 | |
| 132 inline void update_avg_cms_STW_gc_cost_counter() { | |
| 133 _avg_cms_STW_gc_cost_counter->set_value( | |
| 134 (jlong) (cms_size_policy()->avg_cms_STW_gc_cost()->average() * 100.0)); | |
| 135 } | |
| 136 | |
| 137 inline void update_avg_initial_pause_counter() { | |
| 138 _avg_initial_pause_counter->set_value( | |
| 139 (jlong) (cms_size_policy()->avg_initial_pause()->average() * | |
| 140 (double) MILLIUNITS)); | |
| 141 } | |
| 142 #ifdef NOT_PRODUCT | |
| 143 inline void update_avg_remark_pause_counter() { | |
| 144 _avg_remark_pause_counter->set_value( | |
| 145 (jlong) (cms_size_policy()-> avg_remark_pause()->average() * | |
| 146 (double) MILLIUNITS)); | |
| 147 } | |
| 148 | |
| 149 inline void update_initial_pause_counter() { | |
| 150 _initial_pause_counter->set_value( | |
| 151 (jlong) (cms_size_policy()->avg_initial_pause()->average() * | |
| 152 (double) MILLIUNITS)); | |
| 153 } | |
| 154 #endif | |
| 155 inline void update_remark_pause_counter() { | |
| 156 _remark_pause_counter->set_value( | |
| 157 (jlong) (cms_size_policy()-> avg_remark_pause()->last_sample() * | |
| 158 (double) MILLIUNITS)); | |
| 159 } | |
| 160 | |
| 161 inline void update_avg_concurrent_time_counter() { | |
| 162 _avg_concurrent_time_counter->set_value( | |
| 163 (jlong) (cms_size_policy()->avg_concurrent_time()->last_sample() * | |
| 164 (double) MILLIUNITS)); | |
| 165 } | |
| 166 | |
| 167 inline void update_avg_concurrent_interval_counter() { | |
| 168 _avg_concurrent_interval_counter->set_value( | |
| 169 (jlong) (cms_size_policy()->avg_concurrent_interval()->average() * | |
| 170 (double) MILLIUNITS)); | |
| 171 } | |
| 172 | |
| 173 inline void update_avg_concurrent_gc_cost_counter() { | |
| 174 _avg_concurrent_gc_cost_counter->set_value( | |
| 175 (jlong) (cms_size_policy()->avg_concurrent_gc_cost()->average() * 100.0)); | |
| 176 } | |
| 177 | |
| 178 inline void update_avg_cms_free_counter() { | |
| 179 _avg_cms_free_counter->set_value( | |
| 180 (jlong) cms_size_policy()->avg_cms_free()->average()); | |
| 181 } | |
| 182 | |
| 183 inline void update_avg_cms_free_at_sweep_counter() { | |
| 184 _avg_cms_free_at_sweep_counter->set_value( | |
| 185 (jlong) cms_size_policy()->avg_cms_free_at_sweep()->average()); | |
| 186 } | |
| 187 | |
| 188 inline void update_avg_cms_promo_counter() { | |
| 189 _avg_cms_promo_counter->set_value( | |
| 190 (jlong) cms_size_policy()->avg_cms_promo()->average()); | |
| 191 } | |
| 192 | |
| 193 inline void update_avg_old_live_counter() { | |
| 194 _avg_old_live_counter->set_value( | |
| 195 (jlong)(cms_size_policy()->avg_old_live()->average()) | |
| 196 ); | |
| 197 } | |
| 198 | |
| 199 inline void update_avg_msc_pause_counter() { | |
| 200 _avg_msc_pause_counter->set_value( | |
| 201 (jlong) (cms_size_policy()->avg_msc_pause()->average() * | |
| 202 (double) MILLIUNITS)); | |
| 203 } | |
| 204 | |
| 205 inline void update_avg_msc_interval_counter() { | |
| 206 _avg_msc_interval_counter->set_value( | |
| 207 (jlong) (cms_size_policy()->avg_msc_interval()->average() * | |
| 208 (double) MILLIUNITS)); | |
| 209 } | |
| 210 | |
| 211 inline void update_msc_gc_cost_counter() { | |
| 212 _msc_gc_cost_counter->set_value( | |
| 213 (jlong) (cms_size_policy()->avg_msc_gc_cost()->average() * 100.0)); | |
| 214 } | |
| 215 | |
| 216 inline void update_avg_ms_pause_counter() { | |
| 217 _avg_ms_pause_counter->set_value( | |
| 218 (jlong) (cms_size_policy()->avg_ms_pause()->average() * | |
| 219 (double) MILLIUNITS)); | |
| 220 } | |
| 221 | |
| 222 inline void update_avg_ms_interval_counter() { | |
| 223 _avg_ms_interval_counter->set_value( | |
| 224 (jlong) (cms_size_policy()->avg_ms_interval()->average() * | |
| 225 (double) MILLIUNITS)); | |
| 226 } | |
| 227 | |
| 228 inline void update_ms_gc_cost_counter() { | |
| 229 _ms_gc_cost_counter->set_value( | |
| 230 (jlong) (cms_size_policy()->avg_ms_gc_cost()->average() * 100.0)); | |
| 231 } | |
| 232 | |
| 233 inline void update_major_gc_cost_counter() { | |
| 234 _major_gc_cost_counter->set_value( | |
| 235 (jlong)(cms_size_policy()->cms_gc_cost() * 100.0) | |
| 236 ); | |
| 237 } | |
| 238 inline void update_mutator_cost_counter() { | |
| 239 _mutator_cost_counter->set_value( | |
| 240 (jlong)(cms_size_policy()->mutator_cost() * 100.0) | |
| 241 ); | |
| 242 } | |
| 243 | |
| 244 inline void update_avg_promoted_avg(CMSGCStats* gc_stats) { | |
| 245 _promoted_avg_counter->set_value( | |
| 246 (jlong)(gc_stats->avg_promoted()->average()) | |
| 247 ); | |
| 248 } | |
| 249 inline void update_avg_promoted_dev(CMSGCStats* gc_stats) { | |
| 250 _promoted_avg_dev_counter->set_value( | |
| 251 (jlong)(gc_stats->avg_promoted()->deviation()) | |
| 252 ); | |
| 253 } | |
| 254 inline void update_avg_promoted_padded_avg(CMSGCStats* gc_stats) { | |
| 255 _promoted_padded_avg_counter->set_value( | |
| 256 (jlong)(gc_stats->avg_promoted()->padded_average()) | |
| 257 ); | |
| 258 } | |
| 259 inline void update_remark_pause_old_slope_counter() { | |
| 260 _remark_pause_old_slope_counter->set_value( | |
| 261 (jlong)(cms_size_policy()->remark_pause_old_slope() * 1000) | |
| 262 ); | |
| 263 } | |
| 264 inline void update_initial_pause_old_slope_counter() { | |
| 265 _initial_pause_old_slope_counter->set_value( | |
| 266 (jlong)(cms_size_policy()->initial_pause_old_slope() * 1000) | |
| 267 ); | |
| 268 } | |
| 269 inline void update_remark_pause_young_slope_counter() { | |
| 270 _remark_pause_young_slope_counter->set_value( | |
| 271 (jlong)(cms_size_policy()->remark_pause_young_slope() * 1000) | |
| 272 ); | |
| 273 } | |
| 274 inline void update_initial_pause_young_slope_counter() { | |
| 275 _initial_pause_young_slope_counter->set_value( | |
| 276 (jlong)(cms_size_policy()->initial_pause_young_slope() * 1000) | |
| 277 ); | |
| 278 } | |
| 279 inline void update_change_young_gen_for_maj_pauses() { | |
| 280 _change_young_gen_for_maj_pauses_counter->set_value( | |
| 281 cms_size_policy()->change_young_gen_for_maj_pauses()); | |
| 282 } | |
| 283 | |
| 284 public: | |
| 285 CMSGCAdaptivePolicyCounters(const char* name, int collectors, int generations, | |
| 286 AdaptiveSizePolicy* size_policy); | |
| 287 | |
| 288 // update counters | |
| 289 void update_counters(); | |
| 290 void update_counters(CMSGCStats* gc_stats); | |
| 291 void update_counters_from_policy(); | |
| 292 | |
| 293 inline void update_cms_capacity_counter(size_t size_in_bytes) { | |
| 294 _cms_capacity_counter->set_value(size_in_bytes); | |
| 295 } | |
| 296 | |
| 297 virtual GCPolicyCounters::Name kind() const { | |
| 298 return GCPolicyCounters::CMSGCAdaptivePolicyCountersKind; | |
| 299 } | |
| 300 }; |