Mercurial > hg > truffle
diff src/share/vm/gc_implementation/parallelScavenge/psGCAdaptivePolicyCounters.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
---|---|
date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | 0bfd3fb24150 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/parallelScavenge/psGCAdaptivePolicyCounters.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,194 @@ +/* + * Copyright 2003-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +// 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_time_limit_exceeded; + PerfVariable* _live_at_last_full_gc; + 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_generation_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_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; + } +};