Mon, 09 Jun 2008 07:18:59 -0700
6711930: NUMA allocator: ParOld can create a hole less than minimal object size in the lgrp chunk
Summary: The fix takes care of three issues that can create a hole less a minimal object in the lgrp chunk
Reviewed-by: ysr, apetrusenko
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright 2004-2005 Sun Microsystems, Inc. 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 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | // This class keeps statistical information and computes the |
duke@435 | 26 | // size of the heap. |
duke@435 | 27 | |
duke@435 | 28 | class GCAdaptivePolicyCounters : public GCPolicyCounters { |
duke@435 | 29 | protected: |
duke@435 | 30 | PerfVariable* _eden_size_counter; |
duke@435 | 31 | PerfVariable* _promo_size_counter; |
duke@435 | 32 | |
duke@435 | 33 | PerfVariable* _young_capacity_counter; |
duke@435 | 34 | |
duke@435 | 35 | PerfVariable* _minor_gc_cost_counter; |
duke@435 | 36 | PerfVariable* _major_gc_cost_counter; |
duke@435 | 37 | PerfVariable* _mutator_cost_counter; |
duke@435 | 38 | |
duke@435 | 39 | PerfVariable* _avg_young_live_counter; |
duke@435 | 40 | PerfVariable* _avg_old_live_counter; |
duke@435 | 41 | |
duke@435 | 42 | PerfVariable* _avg_minor_pause_counter; |
duke@435 | 43 | PerfVariable* _avg_minor_interval_counter; |
duke@435 | 44 | |
duke@435 | 45 | #ifdef NOT_PRODUCT |
duke@435 | 46 | PerfVariable* _minor_pause_counter; |
duke@435 | 47 | #endif |
duke@435 | 48 | |
duke@435 | 49 | PerfVariable* _change_young_gen_for_min_pauses_counter; |
duke@435 | 50 | PerfVariable* _change_young_gen_for_throughput_counter; |
duke@435 | 51 | PerfVariable* _change_old_gen_for_maj_pauses_counter; |
duke@435 | 52 | PerfVariable* _change_old_gen_for_throughput_counter; |
duke@435 | 53 | PerfVariable* _decrease_for_footprint_counter; |
duke@435 | 54 | |
duke@435 | 55 | PerfVariable* _minor_pause_young_slope_counter; |
duke@435 | 56 | PerfVariable* _major_pause_old_slope_counter; |
duke@435 | 57 | |
duke@435 | 58 | PerfVariable* _decide_at_full_gc_counter; |
duke@435 | 59 | |
duke@435 | 60 | PerfVariable* _survived_counter; |
duke@435 | 61 | PerfVariable* _promoted_counter; |
duke@435 | 62 | |
duke@435 | 63 | PerfVariable* _avg_survived_avg_counter; |
duke@435 | 64 | PerfVariable* _avg_survived_dev_counter; |
duke@435 | 65 | PerfVariable* _avg_survived_padded_avg_counter; |
duke@435 | 66 | |
duke@435 | 67 | PerfVariable* _survivor_overflowed_counter; |
duke@435 | 68 | PerfVariable* _increment_tenuring_threshold_for_gc_cost_counter; |
duke@435 | 69 | PerfVariable* _decrement_tenuring_threshold_for_gc_cost_counter; |
duke@435 | 70 | PerfVariable* _decrement_tenuring_threshold_for_survivor_limit_counter; |
duke@435 | 71 | |
duke@435 | 72 | PerfVariable* _minor_collection_slope_counter; |
duke@435 | 73 | PerfVariable* _major_collection_slope_counter; |
duke@435 | 74 | |
duke@435 | 75 | AdaptiveSizePolicy* _size_policy; |
duke@435 | 76 | |
duke@435 | 77 | inline void update_eden_size() { |
duke@435 | 78 | size_t eden_size_in_bytes = size_policy()->calculated_eden_size_in_bytes(); |
duke@435 | 79 | _eden_size_counter->set_value(eden_size_in_bytes); |
duke@435 | 80 | } |
duke@435 | 81 | |
duke@435 | 82 | inline void update_promo_size() { |
duke@435 | 83 | _promo_size_counter->set_value( |
duke@435 | 84 | size_policy()->calculated_promo_size_in_bytes()); |
duke@435 | 85 | } |
duke@435 | 86 | |
duke@435 | 87 | inline void update_avg_minor_pause_counter() { |
duke@435 | 88 | _avg_minor_pause_counter->set_value((jlong) |
duke@435 | 89 | (size_policy()->avg_minor_pause()->average() * 1000.0)); |
duke@435 | 90 | } |
duke@435 | 91 | inline void update_avg_minor_interval_counter() { |
duke@435 | 92 | _avg_minor_interval_counter->set_value((jlong) |
duke@435 | 93 | (size_policy()->avg_minor_interval()->average() * 1000.0)); |
duke@435 | 94 | } |
duke@435 | 95 | |
duke@435 | 96 | #ifdef NOT_PRODUCT |
duke@435 | 97 | inline void update_minor_pause_counter() { |
duke@435 | 98 | _minor_pause_counter->set_value((jlong) |
duke@435 | 99 | (size_policy()->avg_minor_pause()->last_sample() * 1000.0)); |
duke@435 | 100 | } |
duke@435 | 101 | #endif |
duke@435 | 102 | inline void update_minor_gc_cost_counter() { |
duke@435 | 103 | _minor_gc_cost_counter->set_value((jlong) |
duke@435 | 104 | (size_policy()->minor_gc_cost() * 100.0)); |
duke@435 | 105 | } |
duke@435 | 106 | |
duke@435 | 107 | inline void update_avg_young_live_counter() { |
duke@435 | 108 | _avg_young_live_counter->set_value( |
duke@435 | 109 | (jlong)(size_policy()->avg_young_live()->average()) |
duke@435 | 110 | ); |
duke@435 | 111 | } |
duke@435 | 112 | |
duke@435 | 113 | inline void update_avg_survived_avg_counters() { |
duke@435 | 114 | _avg_survived_avg_counter->set_value( |
duke@435 | 115 | (jlong)(size_policy()->_avg_survived->average()) |
duke@435 | 116 | ); |
duke@435 | 117 | } |
duke@435 | 118 | inline void update_avg_survived_dev_counters() { |
duke@435 | 119 | _avg_survived_dev_counter->set_value( |
duke@435 | 120 | (jlong)(size_policy()->_avg_survived->deviation()) |
duke@435 | 121 | ); |
duke@435 | 122 | } |
duke@435 | 123 | inline void update_avg_survived_padded_avg_counters() { |
duke@435 | 124 | _avg_survived_padded_avg_counter->set_value( |
duke@435 | 125 | (jlong)(size_policy()->_avg_survived->padded_average()) |
duke@435 | 126 | ); |
duke@435 | 127 | } |
duke@435 | 128 | |
duke@435 | 129 | inline void update_change_old_gen_for_throughput() { |
duke@435 | 130 | _change_old_gen_for_throughput_counter->set_value( |
duke@435 | 131 | size_policy()->change_old_gen_for_throughput()); |
duke@435 | 132 | } |
duke@435 | 133 | inline void update_change_young_gen_for_throughput() { |
duke@435 | 134 | _change_young_gen_for_throughput_counter->set_value( |
duke@435 | 135 | size_policy()->change_young_gen_for_throughput()); |
duke@435 | 136 | } |
duke@435 | 137 | inline void update_decrease_for_footprint() { |
duke@435 | 138 | _decrease_for_footprint_counter->set_value( |
duke@435 | 139 | size_policy()->decrease_for_footprint()); |
duke@435 | 140 | } |
duke@435 | 141 | |
duke@435 | 142 | inline void update_decide_at_full_gc_counter() { |
duke@435 | 143 | _decide_at_full_gc_counter->set_value( |
duke@435 | 144 | size_policy()->decide_at_full_gc()); |
duke@435 | 145 | } |
duke@435 | 146 | |
duke@435 | 147 | inline void update_minor_pause_young_slope_counter() { |
duke@435 | 148 | _minor_pause_young_slope_counter->set_value( |
duke@435 | 149 | (jlong)(size_policy()->minor_pause_young_slope() * 1000) |
duke@435 | 150 | ); |
duke@435 | 151 | } |
duke@435 | 152 | |
duke@435 | 153 | virtual void update_counters_from_policy(); |
duke@435 | 154 | |
duke@435 | 155 | protected: |
duke@435 | 156 | virtual AdaptiveSizePolicy* size_policy() { return _size_policy; } |
duke@435 | 157 | |
duke@435 | 158 | public: |
duke@435 | 159 | GCAdaptivePolicyCounters(const char* name, |
duke@435 | 160 | int collectors, |
duke@435 | 161 | int generations, |
duke@435 | 162 | AdaptiveSizePolicy* size_policy); |
duke@435 | 163 | |
duke@435 | 164 | inline void update_survived(size_t survived) { |
duke@435 | 165 | _survived_counter->set_value(survived); |
duke@435 | 166 | } |
duke@435 | 167 | inline void update_promoted(size_t promoted) { |
duke@435 | 168 | _promoted_counter->set_value(promoted); |
duke@435 | 169 | } |
duke@435 | 170 | inline void update_young_capacity(size_t size_in_bytes) { |
duke@435 | 171 | _young_capacity_counter->set_value(size_in_bytes); |
duke@435 | 172 | } |
duke@435 | 173 | |
duke@435 | 174 | virtual void update_counters(); |
duke@435 | 175 | |
duke@435 | 176 | inline void update_survivor_size_counters() { |
duke@435 | 177 | desired_survivor_size()->set_value( |
duke@435 | 178 | size_policy()->calculated_survivor_size_in_bytes()); |
duke@435 | 179 | } |
duke@435 | 180 | inline void update_survivor_overflowed(bool survivor_overflowed) { |
duke@435 | 181 | _survivor_overflowed_counter->set_value(survivor_overflowed); |
duke@435 | 182 | } |
duke@435 | 183 | inline void update_tenuring_threshold(int threshold) { |
duke@435 | 184 | tenuring_threshold()->set_value(threshold); |
duke@435 | 185 | } |
duke@435 | 186 | inline void update_increment_tenuring_threshold_for_gc_cost() { |
duke@435 | 187 | _increment_tenuring_threshold_for_gc_cost_counter->set_value( |
duke@435 | 188 | size_policy()->increment_tenuring_threshold_for_gc_cost()); |
duke@435 | 189 | } |
duke@435 | 190 | inline void update_decrement_tenuring_threshold_for_gc_cost() { |
duke@435 | 191 | _decrement_tenuring_threshold_for_gc_cost_counter->set_value( |
duke@435 | 192 | size_policy()->decrement_tenuring_threshold_for_gc_cost()); |
duke@435 | 193 | } |
duke@435 | 194 | inline void update_decrement_tenuring_threshold_for_survivor_limit() { |
duke@435 | 195 | _decrement_tenuring_threshold_for_survivor_limit_counter->set_value( |
duke@435 | 196 | size_policy()->decrement_tenuring_threshold_for_survivor_limit()); |
duke@435 | 197 | } |
duke@435 | 198 | inline void update_change_young_gen_for_min_pauses() { |
duke@435 | 199 | _change_young_gen_for_min_pauses_counter->set_value( |
duke@435 | 200 | size_policy()->change_young_gen_for_min_pauses()); |
duke@435 | 201 | } |
duke@435 | 202 | inline void update_change_old_gen_for_maj_pauses() { |
duke@435 | 203 | _change_old_gen_for_maj_pauses_counter->set_value( |
duke@435 | 204 | size_policy()->change_old_gen_for_maj_pauses()); |
duke@435 | 205 | } |
duke@435 | 206 | |
duke@435 | 207 | inline void update_minor_collection_slope_counter() { |
duke@435 | 208 | _minor_collection_slope_counter->set_value( |
duke@435 | 209 | (jlong)(size_policy()->minor_collection_slope() * 1000) |
duke@435 | 210 | ); |
duke@435 | 211 | } |
duke@435 | 212 | |
duke@435 | 213 | inline void update_major_collection_slope_counter() { |
duke@435 | 214 | _major_collection_slope_counter->set_value( |
duke@435 | 215 | (jlong)(size_policy()->major_collection_slope() * 1000) |
duke@435 | 216 | ); |
duke@435 | 217 | } |
duke@435 | 218 | |
duke@435 | 219 | void set_size_policy(AdaptiveSizePolicy* v) { _size_policy = v; } |
duke@435 | 220 | |
duke@435 | 221 | virtual GCPolicyCounters::Name kind() const { |
duke@435 | 222 | return GCPolicyCounters::GCAdaptivePolicyCountersKind; |
duke@435 | 223 | } |
duke@435 | 224 | }; |