Tue, 07 Oct 2008 11:01:35 -0700
Merge
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright 2003-2005 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 | // PSGCAdaptivePolicyCounters is a holder class for performance counters |
duke@435 | 26 | // that track the data and decisions for the ergonomics policy for the |
duke@435 | 27 | // parallel scavenge collector. |
duke@435 | 28 | |
duke@435 | 29 | class PSGCAdaptivePolicyCounters : public GCAdaptivePolicyCounters { |
duke@435 | 30 | friend class VMStructs; |
duke@435 | 31 | |
duke@435 | 32 | private: |
duke@435 | 33 | // survivor space vs. tenuring threshold |
duke@435 | 34 | PerfVariable* _old_promo_size; |
duke@435 | 35 | PerfVariable* _old_eden_size; |
duke@435 | 36 | PerfVariable* _avg_promoted_avg_counter; |
duke@435 | 37 | PerfVariable* _avg_promoted_dev_counter; |
duke@435 | 38 | PerfVariable* _avg_promoted_padded_avg_counter; |
duke@435 | 39 | PerfVariable* _avg_pretenured_padded_avg; |
duke@435 | 40 | |
duke@435 | 41 | // young gen vs. old gen sizing |
duke@435 | 42 | PerfVariable* _avg_major_pause; |
duke@435 | 43 | PerfVariable* _avg_major_interval; |
duke@435 | 44 | PerfVariable* _live_space; |
duke@435 | 45 | PerfVariable* _free_space; |
duke@435 | 46 | PerfVariable* _avg_base_footprint; |
duke@435 | 47 | PerfVariable* _gc_time_limit_exceeded; |
duke@435 | 48 | PerfVariable* _live_at_last_full_gc; |
duke@435 | 49 | PerfVariable* _old_capacity; |
duke@435 | 50 | PerfVariable* _boundary_moved; |
duke@435 | 51 | |
duke@435 | 52 | PerfVariable* _change_old_gen_for_min_pauses; |
duke@435 | 53 | PerfVariable* _change_young_gen_for_maj_pauses_counter; |
duke@435 | 54 | |
duke@435 | 55 | PerfVariable* _major_pause_old_slope; |
duke@435 | 56 | PerfVariable* _minor_pause_old_slope; |
duke@435 | 57 | PerfVariable* _major_pause_young_slope; |
duke@435 | 58 | |
duke@435 | 59 | PerfVariable* _scavenge_skipped; |
duke@435 | 60 | PerfVariable* _full_follows_scavenge; |
duke@435 | 61 | |
duke@435 | 62 | // Use this time stamp if the gc time stamp is not available. |
duke@435 | 63 | TimeStamp _counter_time_stamp; |
duke@435 | 64 | |
duke@435 | 65 | protected: |
duke@435 | 66 | PSAdaptiveSizePolicy* ps_size_policy() { |
duke@435 | 67 | return (PSAdaptiveSizePolicy*)_size_policy; |
duke@435 | 68 | } |
duke@435 | 69 | |
duke@435 | 70 | public: |
duke@435 | 71 | PSGCAdaptivePolicyCounters(const char* name, int collectors, int generations, |
duke@435 | 72 | PSAdaptiveSizePolicy* size_policy); |
duke@435 | 73 | inline void update_old_capacity(size_t size_in_bytes) { |
duke@435 | 74 | _old_capacity->set_value(size_in_bytes); |
duke@435 | 75 | } |
duke@435 | 76 | inline void update_old_eden_size(size_t old_size) { |
duke@435 | 77 | _old_eden_size->set_value(old_size); |
duke@435 | 78 | } |
duke@435 | 79 | inline void update_old_promo_size(size_t old_size) { |
duke@435 | 80 | _old_promo_size->set_value(old_size); |
duke@435 | 81 | } |
duke@435 | 82 | inline void update_boundary_moved(int size_in_bytes) { |
duke@435 | 83 | _boundary_moved->set_value(size_in_bytes); |
duke@435 | 84 | } |
duke@435 | 85 | inline void update_avg_promoted_avg() { |
duke@435 | 86 | _avg_promoted_avg_counter->set_value( |
duke@435 | 87 | (jlong)(ps_size_policy()->avg_promoted()->average()) |
duke@435 | 88 | ); |
duke@435 | 89 | } |
duke@435 | 90 | inline void update_avg_promoted_dev() { |
duke@435 | 91 | _avg_promoted_dev_counter->set_value( |
duke@435 | 92 | (jlong)(ps_size_policy()->avg_promoted()->deviation()) |
duke@435 | 93 | ); |
duke@435 | 94 | } |
duke@435 | 95 | inline void update_avg_promoted_padded_avg() { |
duke@435 | 96 | _avg_promoted_padded_avg_counter->set_value( |
duke@435 | 97 | (jlong)(ps_size_policy()->avg_promoted()->padded_average()) |
duke@435 | 98 | ); |
duke@435 | 99 | } |
duke@435 | 100 | |
duke@435 | 101 | inline void update_avg_pretenured_padded_avg() { |
duke@435 | 102 | _avg_pretenured_padded_avg->set_value( |
duke@435 | 103 | (jlong)(ps_size_policy()->_avg_pretenured->padded_average()) |
duke@435 | 104 | ); |
duke@435 | 105 | } |
duke@435 | 106 | inline void update_change_young_gen_for_maj_pauses() { |
duke@435 | 107 | _change_young_gen_for_maj_pauses_counter->set_value( |
duke@435 | 108 | ps_size_policy()->change_young_gen_for_maj_pauses()); |
duke@435 | 109 | } |
duke@435 | 110 | inline void update_change_old_gen_for_min_pauses() { |
duke@435 | 111 | _change_old_gen_for_min_pauses->set_value( |
duke@435 | 112 | ps_size_policy()->change_old_gen_for_min_pauses()); |
duke@435 | 113 | } |
duke@435 | 114 | |
duke@435 | 115 | // compute_generation_free_space() statistics |
duke@435 | 116 | |
duke@435 | 117 | inline void update_avg_major_pause() { |
duke@435 | 118 | _avg_major_pause->set_value( |
duke@435 | 119 | (jlong)(ps_size_policy()->_avg_major_pause->average() * 1000.0) |
duke@435 | 120 | ); |
duke@435 | 121 | } |
duke@435 | 122 | inline void update_avg_major_interval() { |
duke@435 | 123 | _avg_major_interval->set_value( |
duke@435 | 124 | (jlong)(ps_size_policy()->_avg_major_interval->average() * 1000.0) |
duke@435 | 125 | ); |
duke@435 | 126 | } |
duke@435 | 127 | |
duke@435 | 128 | inline void update_major_gc_cost_counter() { |
duke@435 | 129 | _major_gc_cost_counter->set_value( |
duke@435 | 130 | (jlong)(ps_size_policy()->major_gc_cost() * 100.0) |
duke@435 | 131 | ); |
duke@435 | 132 | } |
duke@435 | 133 | inline void update_mutator_cost_counter() { |
duke@435 | 134 | _mutator_cost_counter->set_value( |
duke@435 | 135 | (jlong)(ps_size_policy()->mutator_cost() * 100.0) |
duke@435 | 136 | ); |
duke@435 | 137 | } |
duke@435 | 138 | |
duke@435 | 139 | inline void update_live_space() { |
duke@435 | 140 | _live_space->set_value(ps_size_policy()->live_space()); |
duke@435 | 141 | } |
duke@435 | 142 | inline void update_free_space() { |
duke@435 | 143 | _free_space->set_value(ps_size_policy()->free_space()); |
duke@435 | 144 | } |
duke@435 | 145 | |
duke@435 | 146 | inline void update_avg_base_footprint() { |
duke@435 | 147 | _avg_base_footprint->set_value( |
duke@435 | 148 | (jlong)(ps_size_policy()->avg_base_footprint()->average()) |
duke@435 | 149 | ); |
duke@435 | 150 | } |
duke@435 | 151 | inline void update_avg_old_live() { |
duke@435 | 152 | _avg_old_live_counter->set_value( |
duke@435 | 153 | (jlong)(ps_size_policy()->avg_old_live()->average()) |
duke@435 | 154 | ); |
duke@435 | 155 | } |
duke@435 | 156 | // Scale up all the slopes |
duke@435 | 157 | inline void update_major_pause_old_slope() { |
duke@435 | 158 | _major_pause_old_slope->set_value( |
duke@435 | 159 | (jlong)(ps_size_policy()->major_pause_old_slope() * 1000) |
duke@435 | 160 | ); |
duke@435 | 161 | } |
duke@435 | 162 | inline void update_minor_pause_old_slope() { |
duke@435 | 163 | _minor_pause_old_slope->set_value( |
duke@435 | 164 | (jlong)(ps_size_policy()->minor_pause_old_slope() * 1000) |
duke@435 | 165 | ); |
duke@435 | 166 | } |
duke@435 | 167 | inline void update_major_pause_young_slope() { |
duke@435 | 168 | _major_pause_young_slope->set_value( |
duke@435 | 169 | (jlong)(ps_size_policy()->major_pause_young_slope() * 1000) |
duke@435 | 170 | ); |
duke@435 | 171 | } |
duke@435 | 172 | |
duke@435 | 173 | inline void update_scavenge_skipped(int cause) { |
duke@435 | 174 | _scavenge_skipped->set_value(cause); |
duke@435 | 175 | } |
duke@435 | 176 | |
duke@435 | 177 | inline void update_full_follows_scavenge(int event) { |
duke@435 | 178 | _full_follows_scavenge->set_value(event); |
duke@435 | 179 | } |
duke@435 | 180 | |
duke@435 | 181 | // Update all the counters that can be updated from the size policy. |
duke@435 | 182 | // This should be called after all policy changes have been made |
duke@435 | 183 | // and reflected internall in the size policy. |
duke@435 | 184 | void update_counters_from_policy(); |
duke@435 | 185 | |
duke@435 | 186 | // Update counters that can be updated from fields internal to the |
duke@435 | 187 | // counter or from globals. This is distinguished from counters |
duke@435 | 188 | // that are updated via input parameters. |
duke@435 | 189 | void update_counters(); |
duke@435 | 190 | |
duke@435 | 191 | virtual GCPolicyCounters::Name kind() const { |
duke@435 | 192 | return GCPolicyCounters::PSGCAdaptivePolicyCountersKind; |
duke@435 | 193 | } |
duke@435 | 194 | }; |