1 /* 2 * Copyright (c) 2004, 2013, 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 #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCADAPTIVEPOLICYCOUNTERS_HPP 26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCADAPTIVEPOLICYCOUNTERS_HPP 27 28 #include "utilities/macros.hpp" 29 #if INCLUDE_ALL_GCS 30 #include "gc_implementation/shared/adaptiveSizePolicy.hpp" 31 #include "gc_implementation/shared/gcPolicyCounters.hpp" 32 #endif // INCLUDE_ALL_GCS 33 34 // This class keeps statistical information and computes the 35 // size of the heap. 36 37 class GCAdaptivePolicyCounters : public GCPolicyCounters { 38 protected: 39 PerfVariable* _eden_size_counter; 40 PerfVariable* _promo_size_counter; 41 42 PerfVariable* _young_capacity_counter; 43 44 PerfVariable* _minor_gc_cost_counter; 45 PerfVariable* _major_gc_cost_counter; 46 PerfVariable* _mutator_cost_counter; 47 48 PerfVariable* _avg_young_live_counter; 49 PerfVariable* _avg_old_live_counter; 50 51 PerfVariable* _avg_minor_pause_counter; 52 PerfVariable* _avg_minor_interval_counter; 53 54 #ifdef NOT_PRODUCT 55 PerfVariable* _minor_pause_counter; 56 #endif 57 58 PerfVariable* _change_young_gen_for_min_pauses_counter; 59 PerfVariable* _change_young_gen_for_throughput_counter; 60 PerfVariable* _change_old_gen_for_maj_pauses_counter; 61 PerfVariable* _change_old_gen_for_throughput_counter; 62 PerfVariable* _decrease_for_footprint_counter; 63 64 PerfVariable* _minor_pause_young_slope_counter; 65 PerfVariable* _major_pause_old_slope_counter; 66 67 PerfVariable* _decide_at_full_gc_counter; 68 69 PerfVariable* _survived_counter; 70 PerfVariable* _promoted_counter; 71 72 PerfVariable* _avg_survived_avg_counter; 73 PerfVariable* _avg_survived_dev_counter; 74 PerfVariable* _avg_survived_padded_avg_counter; 75 76 PerfVariable* _survivor_overflowed_counter; 77 PerfVariable* _increment_tenuring_threshold_for_gc_cost_counter; 78 PerfVariable* _decrement_tenuring_threshold_for_gc_cost_counter; 79 PerfVariable* _decrement_tenuring_threshold_for_survivor_limit_counter; 80 81 PerfVariable* _minor_collection_slope_counter; 82 PerfVariable* _major_collection_slope_counter; 83 84 AdaptiveSizePolicy* _size_policy; 85 update_eden_size()86 inline void update_eden_size() { 87 size_t eden_size_in_bytes = size_policy()->calculated_eden_size_in_bytes(); 88 _eden_size_counter->set_value(eden_size_in_bytes); 89 } 90 update_promo_size()91 inline void update_promo_size() { 92 _promo_size_counter->set_value( 93 size_policy()->calculated_promo_size_in_bytes()); 94 } 95 update_avg_minor_pause_counter()96 inline void update_avg_minor_pause_counter() { 97 _avg_minor_pause_counter->set_value((jlong) 98 (size_policy()->avg_minor_pause()->average() * 1000.0)); 99 } update_avg_minor_interval_counter()100 inline void update_avg_minor_interval_counter() { 101 _avg_minor_interval_counter->set_value((jlong) 102 (size_policy()->avg_minor_interval()->average() * 1000.0)); 103 } 104 105 #ifdef NOT_PRODUCT update_minor_pause_counter()106 inline void update_minor_pause_counter() { 107 _minor_pause_counter->set_value((jlong) 108 (size_policy()->avg_minor_pause()->last_sample() * 1000.0)); 109 } 110 #endif update_minor_gc_cost_counter()111 inline void update_minor_gc_cost_counter() { 112 _minor_gc_cost_counter->set_value((jlong) 113 (size_policy()->minor_gc_cost() * 100.0)); 114 } 115 update_avg_young_live_counter()116 inline void update_avg_young_live_counter() { 117 _avg_young_live_counter->set_value( 118 (jlong)(size_policy()->avg_young_live()->average()) 119 ); 120 } 121 update_avg_survived_avg_counters()122 inline void update_avg_survived_avg_counters() { 123 _avg_survived_avg_counter->set_value( 124 (jlong)(size_policy()->_avg_survived->average()) 125 ); 126 } update_avg_survived_dev_counters()127 inline void update_avg_survived_dev_counters() { 128 _avg_survived_dev_counter->set_value( 129 (jlong)(size_policy()->_avg_survived->deviation()) 130 ); 131 } update_avg_survived_padded_avg_counters()132 inline void update_avg_survived_padded_avg_counters() { 133 _avg_survived_padded_avg_counter->set_value( 134 (jlong)(size_policy()->_avg_survived->padded_average()) 135 ); 136 } 137 update_change_old_gen_for_throughput()138 inline void update_change_old_gen_for_throughput() { 139 _change_old_gen_for_throughput_counter->set_value( 140 size_policy()->change_old_gen_for_throughput()); 141 } update_change_young_gen_for_throughput()142 inline void update_change_young_gen_for_throughput() { 143 _change_young_gen_for_throughput_counter->set_value( 144 size_policy()->change_young_gen_for_throughput()); 145 } update_decrease_for_footprint()146 inline void update_decrease_for_footprint() { 147 _decrease_for_footprint_counter->set_value( 148 size_policy()->decrease_for_footprint()); 149 } 150 update_decide_at_full_gc_counter()151 inline void update_decide_at_full_gc_counter() { 152 _decide_at_full_gc_counter->set_value( 153 size_policy()->decide_at_full_gc()); 154 } 155 update_minor_pause_young_slope_counter()156 inline void update_minor_pause_young_slope_counter() { 157 _minor_pause_young_slope_counter->set_value( 158 (jlong)(size_policy()->minor_pause_young_slope() * 1000) 159 ); 160 } 161 162 virtual void update_counters_from_policy(); 163 164 protected: size_policy()165 virtual AdaptiveSizePolicy* size_policy() { return _size_policy; } 166 167 public: 168 GCAdaptivePolicyCounters(const char* name, 169 int collectors, 170 int generations, 171 AdaptiveSizePolicy* size_policy); 172 update_survived(size_t survived)173 inline void update_survived(size_t survived) { 174 _survived_counter->set_value(survived); 175 } update_promoted(size_t promoted)176 inline void update_promoted(size_t promoted) { 177 _promoted_counter->set_value(promoted); 178 } update_young_capacity(size_t size_in_bytes)179 inline void update_young_capacity(size_t size_in_bytes) { 180 _young_capacity_counter->set_value(size_in_bytes); 181 } 182 183 virtual void update_counters(); 184 update_survivor_size_counters()185 inline void update_survivor_size_counters() { 186 desired_survivor_size()->set_value( 187 size_policy()->calculated_survivor_size_in_bytes()); 188 } update_survivor_overflowed(bool survivor_overflowed)189 inline void update_survivor_overflowed(bool survivor_overflowed) { 190 _survivor_overflowed_counter->set_value(survivor_overflowed); 191 } update_tenuring_threshold(uint threshold)192 inline void update_tenuring_threshold(uint threshold) { 193 tenuring_threshold()->set_value(threshold); 194 } update_increment_tenuring_threshold_for_gc_cost()195 inline void update_increment_tenuring_threshold_for_gc_cost() { 196 _increment_tenuring_threshold_for_gc_cost_counter->set_value( 197 size_policy()->increment_tenuring_threshold_for_gc_cost()); 198 } update_decrement_tenuring_threshold_for_gc_cost()199 inline void update_decrement_tenuring_threshold_for_gc_cost() { 200 _decrement_tenuring_threshold_for_gc_cost_counter->set_value( 201 size_policy()->decrement_tenuring_threshold_for_gc_cost()); 202 } update_decrement_tenuring_threshold_for_survivor_limit()203 inline void update_decrement_tenuring_threshold_for_survivor_limit() { 204 _decrement_tenuring_threshold_for_survivor_limit_counter->set_value( 205 size_policy()->decrement_tenuring_threshold_for_survivor_limit()); 206 } update_change_young_gen_for_min_pauses()207 inline void update_change_young_gen_for_min_pauses() { 208 _change_young_gen_for_min_pauses_counter->set_value( 209 size_policy()->change_young_gen_for_min_pauses()); 210 } update_change_old_gen_for_maj_pauses()211 inline void update_change_old_gen_for_maj_pauses() { 212 _change_old_gen_for_maj_pauses_counter->set_value( 213 size_policy()->change_old_gen_for_maj_pauses()); 214 } 215 update_minor_collection_slope_counter()216 inline void update_minor_collection_slope_counter() { 217 _minor_collection_slope_counter->set_value( 218 (jlong)(size_policy()->minor_collection_slope() * 1000) 219 ); 220 } 221 update_major_collection_slope_counter()222 inline void update_major_collection_slope_counter() { 223 _major_collection_slope_counter->set_value( 224 (jlong)(size_policy()->major_collection_slope() * 1000) 225 ); 226 } 227 set_size_policy(AdaptiveSizePolicy * v)228 void set_size_policy(AdaptiveSizePolicy* v) { _size_policy = v; } 229 kind() const230 virtual GCPolicyCounters::Name kind() const { 231 return GCPolicyCounters::GCAdaptivePolicyCountersKind; 232 } 233 }; 234 235 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCADAPTIVEPOLICYCOUNTERS_HPP 236