• file
• revisions
• annotate
• diff
• comparison
• raw

src/share/vm/gc_implementation/shared/gcAdaptivePolicyCounters.hpp@22b8d3d181d9 (annotated)

src/share/vm/gc_implementation/shared/gcAdaptivePolicyCounters.hpp

Wed, 03 Oct 2012 20:31:41 +0200

author

jwilhelm

date

Wed, 03 Oct 2012 20:31:41 +0200

changeset 4129

22b8d3d181d9

parent 2314

f95d63e2154a

child 4542

db9981fd3124

permissions

-rw-r--r--

8000351: Tenuring threshold should be unsigned
Summary: Change the flags and variables related to tenuring threshold to be unsigned
Reviewed-by: jmasa, johnc

duke@435	1	/*
stefank@2314	2	* Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCADAPTIVEPOLICYCOUNTERS_HPP
stefank@2314	26	#define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCADAPTIVEPOLICYCOUNTERS_HPP
stefank@2314	27
stefank@2314	28	#ifndef SERIALGC
stefank@2314	29	#include "gc_implementation/shared/adaptiveSizePolicy.hpp"
stefank@2314	30	#include "gc_implementation/shared/gcPolicyCounters.hpp"
stefank@2314	31	#endif
stefank@2314	32
duke@435	33	// This class keeps statistical information and computes the
duke@435	34	// size of the heap.
duke@435	35
duke@435	36	class GCAdaptivePolicyCounters : public GCPolicyCounters {
duke@435	37	protected:
duke@435	38	PerfVariable* _eden_size_counter;
duke@435	39	PerfVariable* _promo_size_counter;
duke@435	40
duke@435	41	PerfVariable* _young_capacity_counter;
duke@435	42
duke@435	43	PerfVariable* _minor_gc_cost_counter;
duke@435	44	PerfVariable* _major_gc_cost_counter;
duke@435	45	PerfVariable* _mutator_cost_counter;
duke@435	46
duke@435	47	PerfVariable* _avg_young_live_counter;
duke@435	48	PerfVariable* _avg_old_live_counter;
duke@435	49
duke@435	50	PerfVariable* _avg_minor_pause_counter;
duke@435	51	PerfVariable* _avg_minor_interval_counter;
duke@435	52
duke@435	53	#ifdef NOT_PRODUCT
duke@435	54	PerfVariable* _minor_pause_counter;
duke@435	55	#endif
duke@435	56
duke@435	57	PerfVariable* _change_young_gen_for_min_pauses_counter;
duke@435	58	PerfVariable* _change_young_gen_for_throughput_counter;
duke@435	59	PerfVariable* _change_old_gen_for_maj_pauses_counter;
duke@435	60	PerfVariable* _change_old_gen_for_throughput_counter;
duke@435	61	PerfVariable* _decrease_for_footprint_counter;
duke@435	62
duke@435	63	PerfVariable* _minor_pause_young_slope_counter;
duke@435	64	PerfVariable* _major_pause_old_slope_counter;
duke@435	65
duke@435	66	PerfVariable* _decide_at_full_gc_counter;
duke@435	67
duke@435	68	PerfVariable* _survived_counter;
duke@435	69	PerfVariable* _promoted_counter;
duke@435	70
duke@435	71	PerfVariable* _avg_survived_avg_counter;
duke@435	72	PerfVariable* _avg_survived_dev_counter;
duke@435	73	PerfVariable* _avg_survived_padded_avg_counter;
duke@435	74
duke@435	75	PerfVariable* _survivor_overflowed_counter;
duke@435	76	PerfVariable* _increment_tenuring_threshold_for_gc_cost_counter;
duke@435	77	PerfVariable* _decrement_tenuring_threshold_for_gc_cost_counter;
duke@435	78	PerfVariable* _decrement_tenuring_threshold_for_survivor_limit_counter;
duke@435	79
duke@435	80	PerfVariable* _minor_collection_slope_counter;
duke@435	81	PerfVariable* _major_collection_slope_counter;
duke@435	82
duke@435	83	AdaptiveSizePolicy* _size_policy;
duke@435	84
duke@435	85	inline void update_eden_size() {
duke@435	86	size_t eden_size_in_bytes = size_policy()->calculated_eden_size_in_bytes();
duke@435	87	_eden_size_counter->set_value(eden_size_in_bytes);
duke@435	88	}
duke@435	89
duke@435	90	inline void update_promo_size() {
duke@435	91	_promo_size_counter->set_value(
duke@435	92	size_policy()->calculated_promo_size_in_bytes());
duke@435	93	}
duke@435	94
duke@435	95	inline void update_avg_minor_pause_counter() {
duke@435	96	_avg_minor_pause_counter->set_value((jlong)
duke@435	97	(size_policy()->avg_minor_pause()->average() * 1000.0));
duke@435	98	}
duke@435	99	inline void update_avg_minor_interval_counter() {
duke@435	100	_avg_minor_interval_counter->set_value((jlong)
duke@435	101	(size_policy()->avg_minor_interval()->average() * 1000.0));
duke@435	102	}
duke@435	103
duke@435	104	#ifdef NOT_PRODUCT
duke@435	105	inline void update_minor_pause_counter() {
duke@435	106	_minor_pause_counter->set_value((jlong)
duke@435	107	(size_policy()->avg_minor_pause()->last_sample() * 1000.0));
duke@435	108	}
duke@435	109	#endif
duke@435	110	inline void update_minor_gc_cost_counter() {
duke@435	111	_minor_gc_cost_counter->set_value((jlong)
duke@435	112	(size_policy()->minor_gc_cost() * 100.0));
duke@435	113	}
duke@435	114
duke@435	115	inline void update_avg_young_live_counter() {
duke@435	116	_avg_young_live_counter->set_value(
duke@435	117	(jlong)(size_policy()->avg_young_live()->average())
duke@435	118	);
duke@435	119	}
duke@435	120
duke@435	121	inline void update_avg_survived_avg_counters() {
duke@435	122	_avg_survived_avg_counter->set_value(
duke@435	123	(jlong)(size_policy()->_avg_survived->average())
duke@435	124	);
duke@435	125	}
duke@435	126	inline void update_avg_survived_dev_counters() {
duke@435	127	_avg_survived_dev_counter->set_value(
duke@435	128	(jlong)(size_policy()->_avg_survived->deviation())
duke@435	129	);
duke@435	130	}
duke@435	131	inline void update_avg_survived_padded_avg_counters() {
duke@435	132	_avg_survived_padded_avg_counter->set_value(
duke@435	133	(jlong)(size_policy()->_avg_survived->padded_average())
duke@435	134	);
duke@435	135	}
duke@435	136
duke@435	137	inline void update_change_old_gen_for_throughput() {
duke@435	138	_change_old_gen_for_throughput_counter->set_value(
duke@435	139	size_policy()->change_old_gen_for_throughput());
duke@435	140	}
duke@435	141	inline void update_change_young_gen_for_throughput() {
duke@435	142	_change_young_gen_for_throughput_counter->set_value(
duke@435	143	size_policy()->change_young_gen_for_throughput());
duke@435	144	}
duke@435	145	inline void update_decrease_for_footprint() {
duke@435	146	_decrease_for_footprint_counter->set_value(
duke@435	147	size_policy()->decrease_for_footprint());
duke@435	148	}
duke@435	149
duke@435	150	inline void update_decide_at_full_gc_counter() {
duke@435	151	_decide_at_full_gc_counter->set_value(
duke@435	152	size_policy()->decide_at_full_gc());
duke@435	153	}
duke@435	154
duke@435	155	inline void update_minor_pause_young_slope_counter() {
duke@435	156	_minor_pause_young_slope_counter->set_value(
duke@435	157	(jlong)(size_policy()->minor_pause_young_slope() * 1000)
duke@435	158	);
duke@435	159	}
duke@435	160
duke@435	161	virtual void update_counters_from_policy();
duke@435	162
duke@435	163	protected:
duke@435	164	virtual AdaptiveSizePolicy* size_policy() { return _size_policy; }
duke@435	165
duke@435	166	public:
duke@435	167	GCAdaptivePolicyCounters(const char* name,
duke@435	168	int collectors,
duke@435	169	int generations,
duke@435	170	AdaptiveSizePolicy* size_policy);
duke@435	171
duke@435	172	inline void update_survived(size_t survived) {
duke@435	173	_survived_counter->set_value(survived);
duke@435	174	}
duke@435	175	inline void update_promoted(size_t promoted) {
duke@435	176	_promoted_counter->set_value(promoted);
duke@435	177	}
duke@435	178	inline void update_young_capacity(size_t size_in_bytes) {
duke@435	179	_young_capacity_counter->set_value(size_in_bytes);
duke@435	180	}
duke@435	181
duke@435	182	virtual void update_counters();
duke@435	183
duke@435	184	inline void update_survivor_size_counters() {
duke@435	185	desired_survivor_size()->set_value(
duke@435	186	size_policy()->calculated_survivor_size_in_bytes());
duke@435	187	}
duke@435	188	inline void update_survivor_overflowed(bool survivor_overflowed) {
duke@435	189	_survivor_overflowed_counter->set_value(survivor_overflowed);
duke@435	190	}
jwilhelm@4129	191	inline void update_tenuring_threshold(uint threshold) {
duke@435	192	tenuring_threshold()->set_value(threshold);
duke@435	193	}
duke@435	194	inline void update_increment_tenuring_threshold_for_gc_cost() {
duke@435	195	_increment_tenuring_threshold_for_gc_cost_counter->set_value(
duke@435	196	size_policy()->increment_tenuring_threshold_for_gc_cost());
duke@435	197	}
duke@435	198	inline void update_decrement_tenuring_threshold_for_gc_cost() {
duke@435	199	_decrement_tenuring_threshold_for_gc_cost_counter->set_value(
duke@435	200	size_policy()->decrement_tenuring_threshold_for_gc_cost());
duke@435	201	}
duke@435	202	inline void update_decrement_tenuring_threshold_for_survivor_limit() {
duke@435	203	_decrement_tenuring_threshold_for_survivor_limit_counter->set_value(
duke@435	204	size_policy()->decrement_tenuring_threshold_for_survivor_limit());
duke@435	205	}
duke@435	206	inline void update_change_young_gen_for_min_pauses() {
duke@435	207	_change_young_gen_for_min_pauses_counter->set_value(
duke@435	208	size_policy()->change_young_gen_for_min_pauses());
duke@435	209	}
duke@435	210	inline void update_change_old_gen_for_maj_pauses() {
duke@435	211	_change_old_gen_for_maj_pauses_counter->set_value(
duke@435	212	size_policy()->change_old_gen_for_maj_pauses());
duke@435	213	}
duke@435	214
duke@435	215	inline void update_minor_collection_slope_counter() {
duke@435	216	_minor_collection_slope_counter->set_value(
duke@435	217	(jlong)(size_policy()->minor_collection_slope() * 1000)
duke@435	218	);
duke@435	219	}
duke@435	220
duke@435	221	inline void update_major_collection_slope_counter() {
duke@435	222	_major_collection_slope_counter->set_value(
duke@435	223	(jlong)(size_policy()->major_collection_slope() * 1000)
duke@435	224	);
duke@435	225	}
duke@435	226
duke@435	227	void set_size_policy(AdaptiveSizePolicy* v) { _size_policy = v; }
duke@435	228
duke@435	229	virtual GCPolicyCounters::Name kind() const {
duke@435	230	return GCPolicyCounters::GCAdaptivePolicyCountersKind;
duke@435	231	}
duke@435	232	};
stefank@2314	233
stefank@2314	234	#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCADAPTIVEPOLICYCOUNTERS_HPP