Sat, 23 Nov 2013 12:25:13 +0100
8028128: Add a type safe alternative for working with counter based data
Reviewed-by: dholmes, egahlin
duke@435 | 1 | /* |
tamao@5192 | 2 | * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP |
stefank@2314 | 26 | #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP |
stefank@2314 | 27 | |
stefank@2314 | 28 | #include "gc_implementation/parallelScavenge/psAdaptiveSizePolicy.hpp" |
stefank@2314 | 29 | #include "gc_implementation/shared/gcAdaptivePolicyCounters.hpp" |
stefank@2314 | 30 | #include "gc_implementation/shared/gcPolicyCounters.hpp" |
stefank@2314 | 31 | |
duke@435 | 32 | // PSGCAdaptivePolicyCounters is a holder class for performance counters |
duke@435 | 33 | // that track the data and decisions for the ergonomics policy for the |
duke@435 | 34 | // parallel scavenge collector. |
duke@435 | 35 | |
duke@435 | 36 | class PSGCAdaptivePolicyCounters : public GCAdaptivePolicyCounters { |
duke@435 | 37 | friend class VMStructs; |
duke@435 | 38 | |
duke@435 | 39 | private: |
duke@435 | 40 | // survivor space vs. tenuring threshold |
duke@435 | 41 | PerfVariable* _old_promo_size; |
duke@435 | 42 | PerfVariable* _old_eden_size; |
duke@435 | 43 | PerfVariable* _avg_promoted_avg_counter; |
duke@435 | 44 | PerfVariable* _avg_promoted_dev_counter; |
duke@435 | 45 | PerfVariable* _avg_promoted_padded_avg_counter; |
duke@435 | 46 | PerfVariable* _avg_pretenured_padded_avg; |
duke@435 | 47 | |
duke@435 | 48 | // young gen vs. old gen sizing |
duke@435 | 49 | PerfVariable* _avg_major_pause; |
duke@435 | 50 | PerfVariable* _avg_major_interval; |
duke@435 | 51 | PerfVariable* _live_space; |
duke@435 | 52 | PerfVariable* _free_space; |
duke@435 | 53 | PerfVariable* _avg_base_footprint; |
jmasa@1822 | 54 | PerfVariable* _gc_overhead_limit_exceeded_counter; |
jmasa@1822 | 55 | PerfVariable* _live_at_last_full_gc_counter; |
duke@435 | 56 | PerfVariable* _old_capacity; |
duke@435 | 57 | PerfVariable* _boundary_moved; |
duke@435 | 58 | |
duke@435 | 59 | PerfVariable* _change_old_gen_for_min_pauses; |
duke@435 | 60 | PerfVariable* _change_young_gen_for_maj_pauses_counter; |
duke@435 | 61 | |
duke@435 | 62 | PerfVariable* _major_pause_old_slope; |
duke@435 | 63 | PerfVariable* _minor_pause_old_slope; |
duke@435 | 64 | PerfVariable* _major_pause_young_slope; |
duke@435 | 65 | |
duke@435 | 66 | PerfVariable* _scavenge_skipped; |
duke@435 | 67 | PerfVariable* _full_follows_scavenge; |
duke@435 | 68 | |
duke@435 | 69 | // Use this time stamp if the gc time stamp is not available. |
duke@435 | 70 | TimeStamp _counter_time_stamp; |
duke@435 | 71 | |
duke@435 | 72 | protected: |
duke@435 | 73 | PSAdaptiveSizePolicy* ps_size_policy() { |
duke@435 | 74 | return (PSAdaptiveSizePolicy*)_size_policy; |
duke@435 | 75 | } |
duke@435 | 76 | |
duke@435 | 77 | public: |
duke@435 | 78 | PSGCAdaptivePolicyCounters(const char* name, int collectors, int generations, |
duke@435 | 79 | PSAdaptiveSizePolicy* size_policy); |
duke@435 | 80 | inline void update_old_capacity(size_t size_in_bytes) { |
duke@435 | 81 | _old_capacity->set_value(size_in_bytes); |
duke@435 | 82 | } |
duke@435 | 83 | inline void update_old_eden_size(size_t old_size) { |
duke@435 | 84 | _old_eden_size->set_value(old_size); |
duke@435 | 85 | } |
duke@435 | 86 | inline void update_old_promo_size(size_t old_size) { |
duke@435 | 87 | _old_promo_size->set_value(old_size); |
duke@435 | 88 | } |
duke@435 | 89 | inline void update_boundary_moved(int size_in_bytes) { |
duke@435 | 90 | _boundary_moved->set_value(size_in_bytes); |
duke@435 | 91 | } |
duke@435 | 92 | inline void update_avg_promoted_avg() { |
duke@435 | 93 | _avg_promoted_avg_counter->set_value( |
duke@435 | 94 | (jlong)(ps_size_policy()->avg_promoted()->average()) |
duke@435 | 95 | ); |
duke@435 | 96 | } |
duke@435 | 97 | inline void update_avg_promoted_dev() { |
duke@435 | 98 | _avg_promoted_dev_counter->set_value( |
duke@435 | 99 | (jlong)(ps_size_policy()->avg_promoted()->deviation()) |
duke@435 | 100 | ); |
duke@435 | 101 | } |
duke@435 | 102 | inline void update_avg_promoted_padded_avg() { |
duke@435 | 103 | _avg_promoted_padded_avg_counter->set_value( |
duke@435 | 104 | (jlong)(ps_size_policy()->avg_promoted()->padded_average()) |
duke@435 | 105 | ); |
duke@435 | 106 | } |
duke@435 | 107 | |
duke@435 | 108 | inline void update_avg_pretenured_padded_avg() { |
duke@435 | 109 | _avg_pretenured_padded_avg->set_value( |
duke@435 | 110 | (jlong)(ps_size_policy()->_avg_pretenured->padded_average()) |
duke@435 | 111 | ); |
duke@435 | 112 | } |
duke@435 | 113 | inline void update_change_young_gen_for_maj_pauses() { |
duke@435 | 114 | _change_young_gen_for_maj_pauses_counter->set_value( |
duke@435 | 115 | ps_size_policy()->change_young_gen_for_maj_pauses()); |
duke@435 | 116 | } |
duke@435 | 117 | inline void update_change_old_gen_for_min_pauses() { |
duke@435 | 118 | _change_old_gen_for_min_pauses->set_value( |
duke@435 | 119 | ps_size_policy()->change_old_gen_for_min_pauses()); |
duke@435 | 120 | } |
duke@435 | 121 | |
tamao@5192 | 122 | // compute_generations_free_space() statistics |
duke@435 | 123 | |
duke@435 | 124 | inline void update_avg_major_pause() { |
duke@435 | 125 | _avg_major_pause->set_value( |
duke@435 | 126 | (jlong)(ps_size_policy()->_avg_major_pause->average() * 1000.0) |
duke@435 | 127 | ); |
duke@435 | 128 | } |
duke@435 | 129 | inline void update_avg_major_interval() { |
duke@435 | 130 | _avg_major_interval->set_value( |
duke@435 | 131 | (jlong)(ps_size_policy()->_avg_major_interval->average() * 1000.0) |
duke@435 | 132 | ); |
duke@435 | 133 | } |
duke@435 | 134 | |
duke@435 | 135 | inline void update_major_gc_cost_counter() { |
duke@435 | 136 | _major_gc_cost_counter->set_value( |
duke@435 | 137 | (jlong)(ps_size_policy()->major_gc_cost() * 100.0) |
duke@435 | 138 | ); |
duke@435 | 139 | } |
duke@435 | 140 | inline void update_mutator_cost_counter() { |
duke@435 | 141 | _mutator_cost_counter->set_value( |
duke@435 | 142 | (jlong)(ps_size_policy()->mutator_cost() * 100.0) |
duke@435 | 143 | ); |
duke@435 | 144 | } |
duke@435 | 145 | |
duke@435 | 146 | inline void update_live_space() { |
duke@435 | 147 | _live_space->set_value(ps_size_policy()->live_space()); |
duke@435 | 148 | } |
duke@435 | 149 | inline void update_free_space() { |
duke@435 | 150 | _free_space->set_value(ps_size_policy()->free_space()); |
duke@435 | 151 | } |
duke@435 | 152 | |
duke@435 | 153 | inline void update_avg_base_footprint() { |
duke@435 | 154 | _avg_base_footprint->set_value( |
duke@435 | 155 | (jlong)(ps_size_policy()->avg_base_footprint()->average()) |
duke@435 | 156 | ); |
duke@435 | 157 | } |
duke@435 | 158 | inline void update_avg_old_live() { |
duke@435 | 159 | _avg_old_live_counter->set_value( |
duke@435 | 160 | (jlong)(ps_size_policy()->avg_old_live()->average()) |
duke@435 | 161 | ); |
duke@435 | 162 | } |
duke@435 | 163 | // Scale up all the slopes |
duke@435 | 164 | inline void update_major_pause_old_slope() { |
duke@435 | 165 | _major_pause_old_slope->set_value( |
duke@435 | 166 | (jlong)(ps_size_policy()->major_pause_old_slope() * 1000) |
duke@435 | 167 | ); |
duke@435 | 168 | } |
duke@435 | 169 | inline void update_minor_pause_old_slope() { |
duke@435 | 170 | _minor_pause_old_slope->set_value( |
duke@435 | 171 | (jlong)(ps_size_policy()->minor_pause_old_slope() * 1000) |
duke@435 | 172 | ); |
duke@435 | 173 | } |
duke@435 | 174 | inline void update_major_pause_young_slope() { |
duke@435 | 175 | _major_pause_young_slope->set_value( |
duke@435 | 176 | (jlong)(ps_size_policy()->major_pause_young_slope() * 1000) |
duke@435 | 177 | ); |
duke@435 | 178 | } |
jmasa@1822 | 179 | inline void update_gc_overhead_limit_exceeded_counter() { |
jmasa@1822 | 180 | _gc_overhead_limit_exceeded_counter->set_value( |
jmasa@1822 | 181 | (jlong) ps_size_policy()->gc_overhead_limit_exceeded()); |
jmasa@1822 | 182 | } |
jmasa@1822 | 183 | inline void update_live_at_last_full_gc_counter() { |
jmasa@1822 | 184 | _live_at_last_full_gc_counter->set_value( |
jmasa@1822 | 185 | (jlong)(ps_size_policy()->live_at_last_full_gc())); |
jmasa@1822 | 186 | } |
duke@435 | 187 | |
duke@435 | 188 | inline void update_scavenge_skipped(int cause) { |
duke@435 | 189 | _scavenge_skipped->set_value(cause); |
duke@435 | 190 | } |
duke@435 | 191 | |
duke@435 | 192 | inline void update_full_follows_scavenge(int event) { |
duke@435 | 193 | _full_follows_scavenge->set_value(event); |
duke@435 | 194 | } |
duke@435 | 195 | |
duke@435 | 196 | // Update all the counters that can be updated from the size policy. |
duke@435 | 197 | // This should be called after all policy changes have been made |
duke@435 | 198 | // and reflected internall in the size policy. |
duke@435 | 199 | void update_counters_from_policy(); |
duke@435 | 200 | |
duke@435 | 201 | // Update counters that can be updated from fields internal to the |
duke@435 | 202 | // counter or from globals. This is distinguished from counters |
duke@435 | 203 | // that are updated via input parameters. |
duke@435 | 204 | void update_counters(); |
duke@435 | 205 | |
duke@435 | 206 | virtual GCPolicyCounters::Name kind() const { |
duke@435 | 207 | return GCPolicyCounters::PSGCAdaptivePolicyCountersKind; |
duke@435 | 208 | } |
duke@435 | 209 | }; |
stefank@2314 | 210 | |
stefank@2314 | 211 | #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP |