author | trims |
Thu, 27 May 2010 19:08:38 -0700 | |
changeset 5547 | f4b087cbb361 |
parent 5343 | 95a5c4b89273 |
child 7397 | 5b173b4ca846 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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// PSGCAdaptivePolicyCounters is a holder class for performance counters |
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// that track the data and decisions for the ergonomics policy for the |
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// parallel scavenge collector. |
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class PSGCAdaptivePolicyCounters : public GCAdaptivePolicyCounters { |
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friend class VMStructs; |
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||
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private: |
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// survivor space vs. tenuring threshold |
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PerfVariable* _old_promo_size; |
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PerfVariable* _old_eden_size; |
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PerfVariable* _avg_promoted_avg_counter; |
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PerfVariable* _avg_promoted_dev_counter; |
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PerfVariable* _avg_promoted_padded_avg_counter; |
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PerfVariable* _avg_pretenured_padded_avg; |
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// young gen vs. old gen sizing |
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PerfVariable* _avg_major_pause; |
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PerfVariable* _avg_major_interval; |
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PerfVariable* _live_space; |
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PerfVariable* _free_space; |
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PerfVariable* _avg_base_footprint; |
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PerfVariable* _gc_overhead_limit_exceeded_counter; |
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PerfVariable* _live_at_last_full_gc_counter; |
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PerfVariable* _old_capacity; |
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PerfVariable* _boundary_moved; |
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PerfVariable* _change_old_gen_for_min_pauses; |
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PerfVariable* _change_young_gen_for_maj_pauses_counter; |
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PerfVariable* _major_pause_old_slope; |
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PerfVariable* _minor_pause_old_slope; |
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PerfVariable* _major_pause_young_slope; |
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PerfVariable* _scavenge_skipped; |
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PerfVariable* _full_follows_scavenge; |
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// Use this time stamp if the gc time stamp is not available. |
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TimeStamp _counter_time_stamp; |
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protected: |
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PSAdaptiveSizePolicy* ps_size_policy() { |
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return (PSAdaptiveSizePolicy*)_size_policy; |
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} |
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public: |
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PSGCAdaptivePolicyCounters(const char* name, int collectors, int generations, |
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PSAdaptiveSizePolicy* size_policy); |
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inline void update_old_capacity(size_t size_in_bytes) { |
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_old_capacity->set_value(size_in_bytes); |
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} |
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inline void update_old_eden_size(size_t old_size) { |
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_old_eden_size->set_value(old_size); |
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} |
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inline void update_old_promo_size(size_t old_size) { |
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_old_promo_size->set_value(old_size); |
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} |
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inline void update_boundary_moved(int size_in_bytes) { |
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_boundary_moved->set_value(size_in_bytes); |
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} |
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inline void update_avg_promoted_avg() { |
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_avg_promoted_avg_counter->set_value( |
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(jlong)(ps_size_policy()->avg_promoted()->average()) |
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); |
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} |
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inline void update_avg_promoted_dev() { |
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_avg_promoted_dev_counter->set_value( |
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(jlong)(ps_size_policy()->avg_promoted()->deviation()) |
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); |
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} |
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inline void update_avg_promoted_padded_avg() { |
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_avg_promoted_padded_avg_counter->set_value( |
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(jlong)(ps_size_policy()->avg_promoted()->padded_average()) |
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); |
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} |
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inline void update_avg_pretenured_padded_avg() { |
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_avg_pretenured_padded_avg->set_value( |
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(jlong)(ps_size_policy()->_avg_pretenured->padded_average()) |
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); |
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} |
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inline void update_change_young_gen_for_maj_pauses() { |
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_change_young_gen_for_maj_pauses_counter->set_value( |
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ps_size_policy()->change_young_gen_for_maj_pauses()); |
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} |
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inline void update_change_old_gen_for_min_pauses() { |
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_change_old_gen_for_min_pauses->set_value( |
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ps_size_policy()->change_old_gen_for_min_pauses()); |
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} |
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// compute_generation_free_space() statistics |
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inline void update_avg_major_pause() { |
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_avg_major_pause->set_value( |
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(jlong)(ps_size_policy()->_avg_major_pause->average() * 1000.0) |
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); |
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} |
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inline void update_avg_major_interval() { |
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_avg_major_interval->set_value( |
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(jlong)(ps_size_policy()->_avg_major_interval->average() * 1000.0) |
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); |
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} |
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inline void update_major_gc_cost_counter() { |
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_major_gc_cost_counter->set_value( |
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(jlong)(ps_size_policy()->major_gc_cost() * 100.0) |
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); |
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} |
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inline void update_mutator_cost_counter() { |
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_mutator_cost_counter->set_value( |
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(jlong)(ps_size_policy()->mutator_cost() * 100.0) |
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); |
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} |
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inline void update_live_space() { |
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_live_space->set_value(ps_size_policy()->live_space()); |
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} |
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inline void update_free_space() { |
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_free_space->set_value(ps_size_policy()->free_space()); |
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} |
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inline void update_avg_base_footprint() { |
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_avg_base_footprint->set_value( |
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(jlong)(ps_size_policy()->avg_base_footprint()->average()) |
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); |
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} |
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inline void update_avg_old_live() { |
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_avg_old_live_counter->set_value( |
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(jlong)(ps_size_policy()->avg_old_live()->average()) |
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); |
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} |
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// Scale up all the slopes |
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inline void update_major_pause_old_slope() { |
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_major_pause_old_slope->set_value( |
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(jlong)(ps_size_policy()->major_pause_old_slope() * 1000) |
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); |
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} |
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inline void update_minor_pause_old_slope() { |
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_minor_pause_old_slope->set_value( |
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(jlong)(ps_size_policy()->minor_pause_old_slope() * 1000) |
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); |
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} |
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inline void update_major_pause_young_slope() { |
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_major_pause_young_slope->set_value( |
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(jlong)(ps_size_policy()->major_pause_young_slope() * 1000) |
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); |
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} |
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inline void update_gc_overhead_limit_exceeded_counter() { |
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_gc_overhead_limit_exceeded_counter->set_value( |
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(jlong) ps_size_policy()->gc_overhead_limit_exceeded()); |
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} |
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inline void update_live_at_last_full_gc_counter() { |
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_live_at_last_full_gc_counter->set_value( |
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(jlong)(ps_size_policy()->live_at_last_full_gc())); |
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} |
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inline void update_scavenge_skipped(int cause) { |
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_scavenge_skipped->set_value(cause); |
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} |
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inline void update_full_follows_scavenge(int event) { |
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_full_follows_scavenge->set_value(event); |
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} |
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// Update all the counters that can be updated from the size policy. |
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// This should be called after all policy changes have been made |
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// and reflected internall in the size policy. |
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void update_counters_from_policy(); |
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// Update counters that can be updated from fields internal to the |
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// counter or from globals. This is distinguished from counters |
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// that are updated via input parameters. |
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void update_counters(); |
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virtual GCPolicyCounters::Name kind() const { |
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return GCPolicyCounters::PSGCAdaptivePolicyCountersKind; |
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} |
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}; |