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Java example source code file (psGCAdaptivePolicyCounters.hpp)
The psGCAdaptivePolicyCounters.hpp Java example source code/* * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP #include "gc_implementation/parallelScavenge/psAdaptiveSizePolicy.hpp" #include "gc_implementation/shared/gcAdaptivePolicyCounters.hpp" #include "gc_implementation/shared/gcPolicyCounters.hpp" // PSGCAdaptivePolicyCounters is a holder class for performance counters // that track the data and decisions for the ergonomics policy for the // parallel scavenge collector. class PSGCAdaptivePolicyCounters : public GCAdaptivePolicyCounters { friend class VMStructs; private: // survivor space vs. tenuring threshold PerfVariable* _old_promo_size; PerfVariable* _old_eden_size; PerfVariable* _avg_promoted_avg_counter; PerfVariable* _avg_promoted_dev_counter; PerfVariable* _avg_promoted_padded_avg_counter; PerfVariable* _avg_pretenured_padded_avg; // young gen vs. old gen sizing PerfVariable* _avg_major_pause; PerfVariable* _avg_major_interval; PerfVariable* _live_space; PerfVariable* _free_space; PerfVariable* _avg_base_footprint; PerfVariable* _gc_overhead_limit_exceeded_counter; PerfVariable* _live_at_last_full_gc_counter; PerfVariable* _old_capacity; PerfVariable* _boundary_moved; PerfVariable* _change_old_gen_for_min_pauses; PerfVariable* _change_young_gen_for_maj_pauses_counter; PerfVariable* _major_pause_old_slope; PerfVariable* _minor_pause_old_slope; PerfVariable* _major_pause_young_slope; PerfVariable* _scavenge_skipped; PerfVariable* _full_follows_scavenge; // Use this time stamp if the gc time stamp is not available. TimeStamp _counter_time_stamp; protected: PSAdaptiveSizePolicy* ps_size_policy() { return (PSAdaptiveSizePolicy*)_size_policy; } public: PSGCAdaptivePolicyCounters(const char* name, int collectors, int generations, PSAdaptiveSizePolicy* size_policy); inline void update_old_capacity(size_t size_in_bytes) { _old_capacity->set_value(size_in_bytes); } inline void update_old_eden_size(size_t old_size) { _old_eden_size->set_value(old_size); } inline void update_old_promo_size(size_t old_size) { _old_promo_size->set_value(old_size); } inline void update_boundary_moved(int size_in_bytes) { _boundary_moved->set_value(size_in_bytes); } inline void update_avg_promoted_avg() { _avg_promoted_avg_counter->set_value( (jlong)(ps_size_policy()->avg_promoted()->average()) ); } inline void update_avg_promoted_dev() { _avg_promoted_dev_counter->set_value( (jlong)(ps_size_policy()->avg_promoted()->deviation()) ); } inline void update_avg_promoted_padded_avg() { _avg_promoted_padded_avg_counter->set_value( (jlong)(ps_size_policy()->avg_promoted()->padded_average()) ); } inline void update_avg_pretenured_padded_avg() { _avg_pretenured_padded_avg->set_value( (jlong)(ps_size_policy()->_avg_pretenured->padded_average()) ); } inline void update_change_young_gen_for_maj_pauses() { _change_young_gen_for_maj_pauses_counter->set_value( ps_size_policy()->change_young_gen_for_maj_pauses()); } inline void update_change_old_gen_for_min_pauses() { _change_old_gen_for_min_pauses->set_value( ps_size_policy()->change_old_gen_for_min_pauses()); } // compute_generations_free_space() statistics inline void update_avg_major_pause() { _avg_major_pause->set_value( (jlong)(ps_size_policy()->_avg_major_pause->average() * 1000.0) ); } inline void update_avg_major_interval() { _avg_major_interval->set_value( (jlong)(ps_size_policy()->_avg_major_interval->average() * 1000.0) ); } inline void update_major_gc_cost_counter() { _major_gc_cost_counter->set_value( (jlong)(ps_size_policy()->major_gc_cost() * 100.0) ); } inline void update_mutator_cost_counter() { _mutator_cost_counter->set_value( (jlong)(ps_size_policy()->mutator_cost() * 100.0) ); } inline void update_live_space() { _live_space->set_value(ps_size_policy()->live_space()); } inline void update_free_space() { _free_space->set_value(ps_size_policy()->free_space()); } inline void update_avg_base_footprint() { _avg_base_footprint->set_value( (jlong)(ps_size_policy()->avg_base_footprint()->average()) ); } inline void update_avg_old_live() { _avg_old_live_counter->set_value( (jlong)(ps_size_policy()->avg_old_live()->average()) ); } // Scale up all the slopes inline void update_major_pause_old_slope() { _major_pause_old_slope->set_value( (jlong)(ps_size_policy()->major_pause_old_slope() * 1000) ); } inline void update_minor_pause_old_slope() { _minor_pause_old_slope->set_value( (jlong)(ps_size_policy()->minor_pause_old_slope() * 1000) ); } inline void update_major_pause_young_slope() { _major_pause_young_slope->set_value( (jlong)(ps_size_policy()->major_pause_young_slope() * 1000) ); } inline void update_gc_overhead_limit_exceeded_counter() { _gc_overhead_limit_exceeded_counter->set_value( (jlong) ps_size_policy()->gc_overhead_limit_exceeded()); } inline void update_live_at_last_full_gc_counter() { _live_at_last_full_gc_counter->set_value( (jlong)(ps_size_policy()->live_at_last_full_gc())); } inline void update_scavenge_skipped(int cause) { _scavenge_skipped->set_value(cause); } inline void update_full_follows_scavenge(int event) { _full_follows_scavenge->set_value(event); } // Update all the counters that can be updated from the size policy. // This should be called after all policy changes have been made // and reflected internall in the size policy. void update_counters_from_policy(); // Update counters that can be updated from fields internal to the // counter or from globals. This is distinguished from counters // that are updated via input parameters. void update_counters(); virtual GCPolicyCounters::Name kind() const { return GCPolicyCounters::PSGCAdaptivePolicyCountersKind; } }; #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGCADAPTIVEPOLICYCOUNTERS_HPP Other Java examples (source code examples)Here is a short list of links related to this Java psGCAdaptivePolicyCounters.hpp source code file: |
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