|
0
|
1 /*
|
|
|
2 * Copyright 2004-2005 Sun Microsystems, Inc. All Rights Reserved.
|
|
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
|
4 *
|
|
|
5 * This code is free software; you can redistribute it and/or modify it
|
|
|
6 * under the terms of the GNU General Public License version 2 only, as
|
|
|
7 * published by the Free Software Foundation.
|
|
|
8 *
|
|
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT
|
|
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
12 * version 2 for more details (a copy is included in the LICENSE file that
|
|
|
13 * accompanied this code).
|
|
|
14 *
|
|
|
15 * You should have received a copy of the GNU General Public License version
|
|
|
16 * 2 along with this work; if not, write to the Free Software Foundation,
|
|
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
18 *
|
|
|
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
|
20 * CA 95054 USA or visit www.sun.com if you need additional information or
|
|
|
21 * have any questions.
|
|
|
22 *
|
|
|
23 */
|
|
|
24
|
|
|
25 // This class keeps statistical information and computes the
|
|
|
26 // size of the heap.
|
|
|
27
|
|
|
28 class GCAdaptivePolicyCounters : public GCPolicyCounters {
|
|
|
29 protected:
|
|
|
30 PerfVariable* _eden_size_counter;
|
|
|
31 PerfVariable* _promo_size_counter;
|
|
|
32
|
|
|
33 PerfVariable* _young_capacity_counter;
|
|
|
34
|
|
|
35 PerfVariable* _minor_gc_cost_counter;
|
|
|
36 PerfVariable* _major_gc_cost_counter;
|
|
|
37 PerfVariable* _mutator_cost_counter;
|
|
|
38
|
|
|
39 PerfVariable* _avg_young_live_counter;
|
|
|
40 PerfVariable* _avg_old_live_counter;
|
|
|
41
|
|
|
42 PerfVariable* _avg_minor_pause_counter;
|
|
|
43 PerfVariable* _avg_minor_interval_counter;
|
|
|
44
|
|
|
45 #ifdef NOT_PRODUCT
|
|
|
46 PerfVariable* _minor_pause_counter;
|
|
|
47 #endif
|
|
|
48
|
|
|
49 PerfVariable* _change_young_gen_for_min_pauses_counter;
|
|
|
50 PerfVariable* _change_young_gen_for_throughput_counter;
|
|
|
51 PerfVariable* _change_old_gen_for_maj_pauses_counter;
|
|
|
52 PerfVariable* _change_old_gen_for_throughput_counter;
|
|
|
53 PerfVariable* _decrease_for_footprint_counter;
|
|
|
54
|
|
|
55 PerfVariable* _minor_pause_young_slope_counter;
|
|
|
56 PerfVariable* _major_pause_old_slope_counter;
|
|
|
57
|
|
|
58 PerfVariable* _decide_at_full_gc_counter;
|
|
|
59
|
|
|
60 PerfVariable* _survived_counter;
|
|
|
61 PerfVariable* _promoted_counter;
|
|
|
62
|
|
|
63 PerfVariable* _avg_survived_avg_counter;
|
|
|
64 PerfVariable* _avg_survived_dev_counter;
|
|
|
65 PerfVariable* _avg_survived_padded_avg_counter;
|
|
|
66
|
|
|
67 PerfVariable* _survivor_overflowed_counter;
|
|
|
68 PerfVariable* _increment_tenuring_threshold_for_gc_cost_counter;
|
|
|
69 PerfVariable* _decrement_tenuring_threshold_for_gc_cost_counter;
|
|
|
70 PerfVariable* _decrement_tenuring_threshold_for_survivor_limit_counter;
|
|
|
71
|
|
|
72 PerfVariable* _minor_collection_slope_counter;
|
|
|
73 PerfVariable* _major_collection_slope_counter;
|
|
|
74
|
|
|
75 AdaptiveSizePolicy* _size_policy;
|
|
|
76
|
|
|
77 inline void update_eden_size() {
|
|
|
78 size_t eden_size_in_bytes = size_policy()->calculated_eden_size_in_bytes();
|
|
|
79 _eden_size_counter->set_value(eden_size_in_bytes);
|
|
|
80 }
|
|
|
81
|
|
|
82 inline void update_promo_size() {
|
|
|
83 _promo_size_counter->set_value(
|
|
|
84 size_policy()->calculated_promo_size_in_bytes());
|
|
|
85 }
|
|
|
86
|
|
|
87 inline void update_avg_minor_pause_counter() {
|
|
|
88 _avg_minor_pause_counter->set_value((jlong)
|
|
|
89 (size_policy()->avg_minor_pause()->average() * 1000.0));
|
|
|
90 }
|
|
|
91 inline void update_avg_minor_interval_counter() {
|
|
|
92 _avg_minor_interval_counter->set_value((jlong)
|
|
|
93 (size_policy()->avg_minor_interval()->average() * 1000.0));
|
|
|
94 }
|
|
|
95
|
|
|
96 #ifdef NOT_PRODUCT
|
|
|
97 inline void update_minor_pause_counter() {
|
|
|
98 _minor_pause_counter->set_value((jlong)
|
|
|
99 (size_policy()->avg_minor_pause()->last_sample() * 1000.0));
|
|
|
100 }
|
|
|
101 #endif
|
|
|
102 inline void update_minor_gc_cost_counter() {
|
|
|
103 _minor_gc_cost_counter->set_value((jlong)
|
|
|
104 (size_policy()->minor_gc_cost() * 100.0));
|
|
|
105 }
|
|
|
106
|
|
|
107 inline void update_avg_young_live_counter() {
|
|
|
108 _avg_young_live_counter->set_value(
|
|
|
109 (jlong)(size_policy()->avg_young_live()->average())
|
|
|
110 );
|
|
|
111 }
|
|
|
112
|
|
|
113 inline void update_avg_survived_avg_counters() {
|
|
|
114 _avg_survived_avg_counter->set_value(
|
|
|
115 (jlong)(size_policy()->_avg_survived->average())
|
|
|
116 );
|
|
|
117 }
|
|
|
118 inline void update_avg_survived_dev_counters() {
|
|
|
119 _avg_survived_dev_counter->set_value(
|
|
|
120 (jlong)(size_policy()->_avg_survived->deviation())
|
|
|
121 );
|
|
|
122 }
|
|
|
123 inline void update_avg_survived_padded_avg_counters() {
|
|
|
124 _avg_survived_padded_avg_counter->set_value(
|
|
|
125 (jlong)(size_policy()->_avg_survived->padded_average())
|
|
|
126 );
|
|
|
127 }
|
|
|
128
|
|
|
129 inline void update_change_old_gen_for_throughput() {
|
|
|
130 _change_old_gen_for_throughput_counter->set_value(
|
|
|
131 size_policy()->change_old_gen_for_throughput());
|
|
|
132 }
|
|
|
133 inline void update_change_young_gen_for_throughput() {
|
|
|
134 _change_young_gen_for_throughput_counter->set_value(
|
|
|
135 size_policy()->change_young_gen_for_throughput());
|
|
|
136 }
|
|
|
137 inline void update_decrease_for_footprint() {
|
|
|
138 _decrease_for_footprint_counter->set_value(
|
|
|
139 size_policy()->decrease_for_footprint());
|
|
|
140 }
|
|
|
141
|
|
|
142 inline void update_decide_at_full_gc_counter() {
|
|
|
143 _decide_at_full_gc_counter->set_value(
|
|
|
144 size_policy()->decide_at_full_gc());
|
|
|
145 }
|
|
|
146
|
|
|
147 inline void update_minor_pause_young_slope_counter() {
|
|
|
148 _minor_pause_young_slope_counter->set_value(
|
|
|
149 (jlong)(size_policy()->minor_pause_young_slope() * 1000)
|
|
|
150 );
|
|
|
151 }
|
|
|
152
|
|
|
153 virtual void update_counters_from_policy();
|
|
|
154
|
|
|
155 protected:
|
|
|
156 virtual AdaptiveSizePolicy* size_policy() { return _size_policy; }
|
|
|
157
|
|
|
158 public:
|
|
|
159 GCAdaptivePolicyCounters(const char* name,
|
|
|
160 int collectors,
|
|
|
161 int generations,
|
|
|
162 AdaptiveSizePolicy* size_policy);
|
|
|
163
|
|
|
164 inline void update_survived(size_t survived) {
|
|
|
165 _survived_counter->set_value(survived);
|
|
|
166 }
|
|
|
167 inline void update_promoted(size_t promoted) {
|
|
|
168 _promoted_counter->set_value(promoted);
|
|
|
169 }
|
|
|
170 inline void update_young_capacity(size_t size_in_bytes) {
|
|
|
171 _young_capacity_counter->set_value(size_in_bytes);
|
|
|
172 }
|
|
|
173
|
|
|
174 virtual void update_counters();
|
|
|
175
|
|
|
176 inline void update_survivor_size_counters() {
|
|
|
177 desired_survivor_size()->set_value(
|
|
|
178 size_policy()->calculated_survivor_size_in_bytes());
|
|
|
179 }
|
|
|
180 inline void update_survivor_overflowed(bool survivor_overflowed) {
|
|
|
181 _survivor_overflowed_counter->set_value(survivor_overflowed);
|
|
|
182 }
|
|
|
183 inline void update_tenuring_threshold(int threshold) {
|
|
|
184 tenuring_threshold()->set_value(threshold);
|
|
|
185 }
|
|
|
186 inline void update_increment_tenuring_threshold_for_gc_cost() {
|
|
|
187 _increment_tenuring_threshold_for_gc_cost_counter->set_value(
|
|
|
188 size_policy()->increment_tenuring_threshold_for_gc_cost());
|
|
|
189 }
|
|
|
190 inline void update_decrement_tenuring_threshold_for_gc_cost() {
|
|
|
191 _decrement_tenuring_threshold_for_gc_cost_counter->set_value(
|
|
|
192 size_policy()->decrement_tenuring_threshold_for_gc_cost());
|
|
|
193 }
|
|
|
194 inline void update_decrement_tenuring_threshold_for_survivor_limit() {
|
|
|
195 _decrement_tenuring_threshold_for_survivor_limit_counter->set_value(
|
|
|
196 size_policy()->decrement_tenuring_threshold_for_survivor_limit());
|
|
|
197 }
|
|
|
198 inline void update_change_young_gen_for_min_pauses() {
|
|
|
199 _change_young_gen_for_min_pauses_counter->set_value(
|
|
|
200 size_policy()->change_young_gen_for_min_pauses());
|
|
|
201 }
|
|
|
202 inline void update_change_old_gen_for_maj_pauses() {
|
|
|
203 _change_old_gen_for_maj_pauses_counter->set_value(
|
|
|
204 size_policy()->change_old_gen_for_maj_pauses());
|
|
|
205 }
|
|
|
206
|
|
|
207 inline void update_minor_collection_slope_counter() {
|
|
|
208 _minor_collection_slope_counter->set_value(
|
|
|
209 (jlong)(size_policy()->minor_collection_slope() * 1000)
|
|
|
210 );
|
|
|
211 }
|
|
|
212
|
|
|
213 inline void update_major_collection_slope_counter() {
|
|
|
214 _major_collection_slope_counter->set_value(
|
|
|
215 (jlong)(size_policy()->major_collection_slope() * 1000)
|
|
|
216 );
|
|
|
217 }
|
|
|
218
|
|
|
219 void set_size_policy(AdaptiveSizePolicy* v) { _size_policy = v; }
|
|
|
220
|
|
|
221 virtual GCPolicyCounters::Name kind() const {
|
|
|
222 return GCPolicyCounters::GCAdaptivePolicyCountersKind;
|
|
|
223 }
|
|
|
224 };
|
