| /* |
| * Copyright (c) 2003, 2015, 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_PARALLEL_PSGCADAPTIVEPOLICYCOUNTERS_HPP |
| #define SHARE_VM_GC_PARALLEL_PSGCADAPTIVEPOLICYCOUNTERS_HPP |
| |
| #include "gc/parallel/gcAdaptivePolicyCounters.hpp" |
| #include "gc/parallel/psAdaptiveSizePolicy.hpp" |
| #include "gc/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 internally 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_PARALLEL_PSGCADAPTIVEPOLICYCOUNTERS_HPP |