diff -r fd16c54261b3 -r 489c9b5090e2 hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/cmsGCAdaptivePolicyCounters.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/cmsGCAdaptivePolicyCounters.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,300 @@ +/* + * Copyright 2004-2005 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. + * + */ + +// CMSGCAdaptivePolicyCounters is a holder class for performance counters +// that track the data and decisions for the ergonomics policy for the +// concurrent mark sweep collector + +class CMSGCAdaptivePolicyCounters : public GCAdaptivePolicyCounters { + friend class VMStructs; + + private: + + // Capacity of tenured generation recorded at the end of + // any collection. + PerfVariable* _cms_capacity_counter; // Make this common with PS _old_capacity + + // Average stop-the-world pause time for both initial and + // remark pauses sampled at the end of the checkpointRootsFinalWork. + PerfVariable* _avg_cms_STW_time_counter; + // Average stop-the-world (STW) GC cost for the STW pause time + // _avg_cms_STW_time_counter. + PerfVariable* _avg_cms_STW_gc_cost_counter; + +#ifdef NOT_PRODUCT + // These are useful to see how the most recent values of these + // counters compare to their respective averages but + // do not control behavior. + PerfVariable* _initial_pause_counter; + PerfVariable* _remark_pause_counter; +#endif + + // Average of the initial marking pause for a concurrent collection. + PerfVariable* _avg_initial_pause_counter; + // Average of the remark pause for a concurrent collection. + PerfVariable* _avg_remark_pause_counter; + + // Average for the sum of all the concurrent times per collection. + PerfVariable* _avg_concurrent_time_counter; + // Average for the time between the most recent end of a + // concurrent collection and the beginning of the next + // concurrent collection. + PerfVariable* _avg_concurrent_interval_counter; + // Average of the concurrent GC costs based on _avg_concurrent_time_counter + // and _avg_concurrent_interval_counter. + PerfVariable* _avg_concurrent_gc_cost_counter; + + // Average of the free space in the tenured generation at the + // end of the sweep of the tenured generation. + PerfVariable* _avg_cms_free_counter; + // Average of the free space in the tenured generation at the + // start of the sweep of the tenured genertion. + PerfVariable* _avg_cms_free_at_sweep_counter; + // Average of the free space in the tenured generation at the + // after any resizing of the tenured generation at the end + // of a collection of the tenured generation. + PerfVariable* _avg_cms_promo_counter; + + // Average of the mark-sweep-compact (MSC) pause time for a collection + // of the tenured generation. + PerfVariable* _avg_msc_pause_counter; + // Average for the time between the most recent end of a + // MSC collection and the beginning of the next + // MSC collection. + PerfVariable* _avg_msc_interval_counter; + // Average for the GC cost of a MSC collection based on + // _avg_msc_pause_counter and _avg_msc_interval_counter. + PerfVariable* _msc_gc_cost_counter; + + // Average of the mark-sweep (MS) pause time for a collection + // of the tenured generation. + PerfVariable* _avg_ms_pause_counter; + // Average for the time between the most recent end of a + // MS collection and the beginning of the next + // MS collection. + PerfVariable* _avg_ms_interval_counter; + // Average for the GC cost of a MS collection based on + // _avg_ms_pause_counter and _avg_ms_interval_counter. + PerfVariable* _ms_gc_cost_counter; + + // Average of the bytes promoted per minor collection. + PerfVariable* _promoted_avg_counter; + // Average of the deviation of the promoted average + PerfVariable* _promoted_avg_dev_counter; + // Padded average of the bytes promoted per minor colleciton + PerfVariable* _promoted_padded_avg_counter; + + // See description of the _change_young_gen_for_maj_pauses + // variable recently in cmsAdaptiveSizePolicy.hpp. + PerfVariable* _change_young_gen_for_maj_pauses_counter; + + // See descriptions of _remark_pause_old_slope, _initial_pause_old_slope, + // etc. variables recently in cmsAdaptiveSizePolicy.hpp. + PerfVariable* _remark_pause_old_slope_counter; + PerfVariable* _initial_pause_old_slope_counter; + PerfVariable* _remark_pause_young_slope_counter; + PerfVariable* _initial_pause_young_slope_counter; + + CMSAdaptiveSizePolicy* cms_size_policy() { + assert(_size_policy->kind() == + AdaptiveSizePolicy::_gc_cms_adaptive_size_policy, + "Wrong size policy"); + return (CMSAdaptiveSizePolicy*)_size_policy; + } + + inline void update_avg_cms_STW_time_counter() { + _avg_cms_STW_time_counter->set_value( + (jlong) (cms_size_policy()->avg_cms_STW_time()->average() * + (double) MILLIUNITS)); + } + + inline void update_avg_cms_STW_gc_cost_counter() { + _avg_cms_STW_gc_cost_counter->set_value( + (jlong) (cms_size_policy()->avg_cms_STW_gc_cost()->average() * 100.0)); + } + + inline void update_avg_initial_pause_counter() { + _avg_initial_pause_counter->set_value( + (jlong) (cms_size_policy()->avg_initial_pause()->average() * + (double) MILLIUNITS)); + } +#ifdef NOT_PRODUCT + inline void update_avg_remark_pause_counter() { + _avg_remark_pause_counter->set_value( + (jlong) (cms_size_policy()-> avg_remark_pause()->average() * + (double) MILLIUNITS)); + } + + inline void update_initial_pause_counter() { + _initial_pause_counter->set_value( + (jlong) (cms_size_policy()->avg_initial_pause()->average() * + (double) MILLIUNITS)); + } +#endif + inline void update_remark_pause_counter() { + _remark_pause_counter->set_value( + (jlong) (cms_size_policy()-> avg_remark_pause()->last_sample() * + (double) MILLIUNITS)); + } + + inline void update_avg_concurrent_time_counter() { + _avg_concurrent_time_counter->set_value( + (jlong) (cms_size_policy()->avg_concurrent_time()->last_sample() * + (double) MILLIUNITS)); + } + + inline void update_avg_concurrent_interval_counter() { + _avg_concurrent_interval_counter->set_value( + (jlong) (cms_size_policy()->avg_concurrent_interval()->average() * + (double) MILLIUNITS)); + } + + inline void update_avg_concurrent_gc_cost_counter() { + _avg_concurrent_gc_cost_counter->set_value( + (jlong) (cms_size_policy()->avg_concurrent_gc_cost()->average() * 100.0)); + } + + inline void update_avg_cms_free_counter() { + _avg_cms_free_counter->set_value( + (jlong) cms_size_policy()->avg_cms_free()->average()); + } + + inline void update_avg_cms_free_at_sweep_counter() { + _avg_cms_free_at_sweep_counter->set_value( + (jlong) cms_size_policy()->avg_cms_free_at_sweep()->average()); + } + + inline void update_avg_cms_promo_counter() { + _avg_cms_promo_counter->set_value( + (jlong) cms_size_policy()->avg_cms_promo()->average()); + } + + inline void update_avg_old_live_counter() { + _avg_old_live_counter->set_value( + (jlong)(cms_size_policy()->avg_old_live()->average()) + ); + } + + inline void update_avg_msc_pause_counter() { + _avg_msc_pause_counter->set_value( + (jlong) (cms_size_policy()->avg_msc_pause()->average() * + (double) MILLIUNITS)); + } + + inline void update_avg_msc_interval_counter() { + _avg_msc_interval_counter->set_value( + (jlong) (cms_size_policy()->avg_msc_interval()->average() * + (double) MILLIUNITS)); + } + + inline void update_msc_gc_cost_counter() { + _msc_gc_cost_counter->set_value( + (jlong) (cms_size_policy()->avg_msc_gc_cost()->average() * 100.0)); + } + + inline void update_avg_ms_pause_counter() { + _avg_ms_pause_counter->set_value( + (jlong) (cms_size_policy()->avg_ms_pause()->average() * + (double) MILLIUNITS)); + } + + inline void update_avg_ms_interval_counter() { + _avg_ms_interval_counter->set_value( + (jlong) (cms_size_policy()->avg_ms_interval()->average() * + (double) MILLIUNITS)); + } + + inline void update_ms_gc_cost_counter() { + _ms_gc_cost_counter->set_value( + (jlong) (cms_size_policy()->avg_ms_gc_cost()->average() * 100.0)); + } + + inline void update_major_gc_cost_counter() { + _major_gc_cost_counter->set_value( + (jlong)(cms_size_policy()->cms_gc_cost() * 100.0) + ); + } + inline void update_mutator_cost_counter() { + _mutator_cost_counter->set_value( + (jlong)(cms_size_policy()->mutator_cost() * 100.0) + ); + } + + inline void update_avg_promoted_avg(CMSGCStats* gc_stats) { + _promoted_avg_counter->set_value( + (jlong)(gc_stats->avg_promoted()->average()) + ); + } + inline void update_avg_promoted_dev(CMSGCStats* gc_stats) { + _promoted_avg_dev_counter->set_value( + (jlong)(gc_stats->avg_promoted()->deviation()) + ); + } + inline void update_avg_promoted_padded_avg(CMSGCStats* gc_stats) { + _promoted_padded_avg_counter->set_value( + (jlong)(gc_stats->avg_promoted()->padded_average()) + ); + } + inline void update_remark_pause_old_slope_counter() { + _remark_pause_old_slope_counter->set_value( + (jlong)(cms_size_policy()->remark_pause_old_slope() * 1000) + ); + } + inline void update_initial_pause_old_slope_counter() { + _initial_pause_old_slope_counter->set_value( + (jlong)(cms_size_policy()->initial_pause_old_slope() * 1000) + ); + } + inline void update_remark_pause_young_slope_counter() { + _remark_pause_young_slope_counter->set_value( + (jlong)(cms_size_policy()->remark_pause_young_slope() * 1000) + ); + } + inline void update_initial_pause_young_slope_counter() { + _initial_pause_young_slope_counter->set_value( + (jlong)(cms_size_policy()->initial_pause_young_slope() * 1000) + ); + } + inline void update_change_young_gen_for_maj_pauses() { + _change_young_gen_for_maj_pauses_counter->set_value( + cms_size_policy()->change_young_gen_for_maj_pauses()); + } + + public: + CMSGCAdaptivePolicyCounters(const char* name, int collectors, int generations, + AdaptiveSizePolicy* size_policy); + + // update counters + void update_counters(); + void update_counters(CMSGCStats* gc_stats); + void update_counters_from_policy(); + + inline void update_cms_capacity_counter(size_t size_in_bytes) { + _cms_capacity_counter->set_value(size_in_bytes); + } + + virtual GCPolicyCounters::Name kind() const { + return GCPolicyCounters::CMSGCAdaptivePolicyCountersKind; + } +};