1 /* 2 * Copyright (c) 2003, 2015, 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 */ 24 25 #include "precompiled.hpp" 26 #include "gc/parallel/psGCAdaptivePolicyCounters.hpp" 27 #include "memory/resourceArea.hpp" 28 #include "runtime/arguments.hpp" 29 30 31 32 PSGCAdaptivePolicyCounters::PSGCAdaptivePolicyCounters(const char* name_arg, 33 int collectors, 34 int generations, 35 PSAdaptiveSizePolicy* size_policy_arg) 36 : GCAdaptivePolicyCounters(name_arg, 37 collectors, 38 generations, 39 size_policy_arg) { 40 if (UsePerfData) { 41 EXCEPTION_MARK; 42 ResourceMark rm; 43 44 const char* cname; 45 46 cname = PerfDataManager::counter_name(name_space(), "oldPromoSize"); 47 _old_promo_size = PerfDataManager::create_variable(SUN_GC, cname, 48 PerfData::U_Bytes, ps_size_policy()->calculated_promo_size_in_bytes(), CHECK); 49 50 cname = PerfDataManager::counter_name(name_space(), "oldEdenSize"); 51 _old_eden_size = PerfDataManager::create_variable(SUN_GC, cname, 52 PerfData::U_Bytes, ps_size_policy()->calculated_eden_size_in_bytes(), CHECK); 53 54 cname = PerfDataManager::counter_name(name_space(), "oldCapacity"); 55 _old_capacity = PerfDataManager::create_variable(SUN_GC, cname, 56 PerfData::U_Bytes, (jlong) InitialHeapSize, CHECK); 57 58 cname = PerfDataManager::counter_name(name_space(), "boundaryMoved"); 59 _boundary_moved = PerfDataManager::create_variable(SUN_GC, cname, 60 PerfData::U_Bytes, (jlong) 0, CHECK); 61 62 cname = PerfDataManager::counter_name(name_space(), "avgPromotedAvg"); 63 _avg_promoted_avg_counter = 64 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, 65 ps_size_policy()->calculated_promo_size_in_bytes(), CHECK); 66 67 cname = PerfDataManager::counter_name(name_space(), "avgPromotedDev"); 68 _avg_promoted_dev_counter = 69 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, 70 (jlong) 0 , CHECK); 71 72 cname = PerfDataManager::counter_name(name_space(), "avgPromotedPaddedAvg"); 73 _avg_promoted_padded_avg_counter = 74 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, 75 ps_size_policy()->calculated_promo_size_in_bytes(), CHECK); 76 77 cname = PerfDataManager::counter_name(name_space(), 78 "avgPretenuredPaddedAvg"); 79 _avg_pretenured_padded_avg = 80 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, 81 (jlong) 0, CHECK); 82 83 84 cname = PerfDataManager::counter_name(name_space(), 85 "changeYoungGenForMajPauses"); 86 _change_young_gen_for_maj_pauses_counter = 87 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events, 88 (jlong)0, CHECK); 89 90 cname = PerfDataManager::counter_name(name_space(), 91 "changeOldGenForMinPauses"); 92 _change_old_gen_for_min_pauses = 93 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events, 94 (jlong)0, CHECK); 95 96 97 cname = PerfDataManager::counter_name(name_space(), "avgMajorPauseTime"); 98 _avg_major_pause = PerfDataManager::create_variable(SUN_GC, cname, 99 PerfData::U_Ticks, (jlong) ps_size_policy()->_avg_major_pause->average(), CHECK); 100 101 cname = PerfDataManager::counter_name(name_space(), "avgMajorIntervalTime"); 102 _avg_major_interval = PerfDataManager::create_variable(SUN_GC, cname, 103 PerfData::U_Ticks, (jlong) ps_size_policy()->_avg_major_interval->average(), CHECK); 104 105 cname = PerfDataManager::counter_name(name_space(), "majorGcCost"); 106 _major_gc_cost_counter = PerfDataManager::create_variable(SUN_GC, cname, 107 PerfData::U_Ticks, (jlong) ps_size_policy()->major_gc_cost(), CHECK); 108 109 cname = PerfDataManager::counter_name(name_space(), "liveSpace"); 110 _live_space = PerfDataManager::create_variable(SUN_GC, cname, 111 PerfData::U_Bytes, ps_size_policy()->live_space(), CHECK); 112 113 cname = PerfDataManager::counter_name(name_space(), "freeSpace"); 114 _free_space = PerfDataManager::create_variable(SUN_GC, cname, 115 PerfData::U_Bytes, ps_size_policy()->free_space(), CHECK); 116 117 cname = PerfDataManager::counter_name(name_space(), "avgBaseFootprint"); 118 _avg_base_footprint = PerfDataManager::create_variable(SUN_GC, cname, 119 PerfData::U_Bytes, (jlong) ps_size_policy()->avg_base_footprint()->average(), CHECK); 120 121 cname = PerfDataManager::counter_name(name_space(), "gcTimeLimitExceeded"); 122 _gc_overhead_limit_exceeded_counter = 123 PerfDataManager::create_variable(SUN_GC, cname, 124 PerfData::U_Events, ps_size_policy()->gc_overhead_limit_exceeded(), CHECK); 125 126 cname = PerfDataManager::counter_name(name_space(), "liveAtLastFullGc"); 127 _live_at_last_full_gc_counter = 128 PerfDataManager::create_variable(SUN_GC, cname, 129 PerfData::U_Bytes, ps_size_policy()->live_at_last_full_gc(), CHECK); 130 131 cname = PerfDataManager::counter_name(name_space(), "majorPauseOldSlope"); 132 _major_pause_old_slope = PerfDataManager::create_variable(SUN_GC, cname, 133 PerfData::U_None, (jlong) 0, CHECK); 134 135 cname = PerfDataManager::counter_name(name_space(), "minorPauseOldSlope"); 136 _minor_pause_old_slope = PerfDataManager::create_variable(SUN_GC, cname, 137 PerfData::U_None, (jlong) 0, CHECK); 138 139 cname = PerfDataManager::counter_name(name_space(), "majorPauseYoungSlope"); 140 _major_pause_young_slope = PerfDataManager::create_variable(SUN_GC, cname, 141 PerfData::U_None, (jlong) 0, CHECK); 142 143 cname = PerfDataManager::counter_name(name_space(), "scavengeSkipped"); 144 _scavenge_skipped = PerfDataManager::create_variable(SUN_GC, cname, 145 PerfData::U_Bytes, (jlong) 0, CHECK); 146 147 cname = PerfDataManager::counter_name(name_space(), "fullFollowsScavenge"); 148 _full_follows_scavenge = PerfDataManager::create_variable(SUN_GC, cname, 149 PerfData::U_Bytes, (jlong) 0, CHECK); 150 151 _counter_time_stamp.update(); 152 } 153 154 assert(size_policy()->is_gc_ps_adaptive_size_policy(), 155 "Wrong type of size policy"); 156 } 157 158 void PSGCAdaptivePolicyCounters::update_counters_from_policy() { 159 if (UsePerfData) { 160 GCAdaptivePolicyCounters::update_counters_from_policy(); 161 update_eden_size(); 162 update_promo_size(); 163 update_avg_old_live(); 164 update_survivor_size_counters(); 165 update_avg_promoted_avg(); 166 update_avg_promoted_dev(); 167 update_avg_promoted_padded_avg(); 168 update_avg_pretenured_padded_avg(); 169 170 update_avg_major_pause(); 171 update_avg_major_interval(); 172 update_minor_gc_cost_counter(); 173 update_major_gc_cost_counter(); 174 update_mutator_cost_counter(); 175 update_decrement_tenuring_threshold_for_gc_cost(); 176 update_increment_tenuring_threshold_for_gc_cost(); 177 update_decrement_tenuring_threshold_for_survivor_limit(); 178 update_live_space(); 179 update_free_space(); 180 update_avg_base_footprint(); 181 182 update_change_old_gen_for_maj_pauses(); 183 update_change_young_gen_for_maj_pauses(); 184 update_change_old_gen_for_min_pauses(); 185 186 update_change_old_gen_for_throughput(); 187 update_change_young_gen_for_throughput(); 188 189 update_decrease_for_footprint(); 190 update_decide_at_full_gc_counter(); 191 192 update_major_pause_old_slope(); 193 update_minor_pause_old_slope(); 194 update_major_pause_young_slope(); 195 update_minor_collection_slope_counter(); 196 update_gc_overhead_limit_exceeded_counter(); 197 update_live_at_last_full_gc_counter(); 198 } 199 } 200 201 void PSGCAdaptivePolicyCounters::update_counters() { 202 if (UsePerfData) { 203 update_counters_from_policy(); 204 } 205 }