1 /*
2 * Copyright (c) 2003, 2019, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "gc/parallel/psGCAdaptivePolicyCounters.hpp"
27 #include "memory/resourceArea.hpp"
28 #include "runtime/arguments.hpp"
29
30
31
PSGCAdaptivePolicyCounters(const char * name_arg,int collectors,int generations,PSAdaptiveSizePolicy * size_policy_arg)32 PSGCAdaptivePolicyCounters::PSGCAdaptivePolicyCounters(const char* name_arg,
33 int collectors,
34 int generations,
35 PSAdaptiveSizePolicy* size_policy_arg)
36 : GCAdaptivePolicyCounters(name_arg,
37 collectors,
38 generations,
39 size_policy_arg) {
40 if (UsePerfData) {
41 EXCEPTION_MARK;
42 ResourceMark rm;
43
44 const char* cname;
45
46 cname = PerfDataManager::counter_name(name_space(), "oldPromoSize");
47 _old_promo_size = PerfDataManager::create_variable(SUN_GC, cname,
48 PerfData::U_Bytes, ps_size_policy()->calculated_promo_size_in_bytes(), CHECK);
49
50 cname = PerfDataManager::counter_name(name_space(), "oldEdenSize");
51 _old_eden_size = PerfDataManager::create_variable(SUN_GC, cname,
52 PerfData::U_Bytes, ps_size_policy()->calculated_eden_size_in_bytes(), CHECK);
53
54 cname = PerfDataManager::counter_name(name_space(), "oldCapacity");
55 _old_capacity = PerfDataManager::create_variable(SUN_GC, cname,
56 PerfData::U_Bytes, (jlong) InitialHeapSize, CHECK);
57
58 cname = PerfDataManager::counter_name(name_space(), "avgPromotedAvg");
59 _avg_promoted_avg_counter =
60 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
61 ps_size_policy()->calculated_promo_size_in_bytes(), CHECK);
62
63 cname = PerfDataManager::counter_name(name_space(), "avgPromotedDev");
64 _avg_promoted_dev_counter =
65 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
66 (jlong) 0 , CHECK);
67
68 cname = PerfDataManager::counter_name(name_space(), "avgPromotedPaddedAvg");
69 _avg_promoted_padded_avg_counter =
70 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
71 ps_size_policy()->calculated_promo_size_in_bytes(), CHECK);
72
73 cname = PerfDataManager::counter_name(name_space(),
74 "avgPretenuredPaddedAvg");
75 _avg_pretenured_padded_avg =
76 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
77 (jlong) 0, CHECK);
78
79
80 cname = PerfDataManager::counter_name(name_space(),
81 "changeYoungGenForMajPauses");
82 _change_young_gen_for_maj_pauses_counter =
83 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
84 (jlong)0, CHECK);
85
86 cname = PerfDataManager::counter_name(name_space(),
87 "changeOldGenForMinPauses");
88 _change_old_gen_for_min_pauses =
89 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
90 (jlong)0, CHECK);
91
92
93 cname = PerfDataManager::counter_name(name_space(), "avgMajorPauseTime");
94 _avg_major_pause = PerfDataManager::create_variable(SUN_GC, cname,
95 PerfData::U_Ticks, (jlong) ps_size_policy()->_avg_major_pause->average(), CHECK);
96
97 cname = PerfDataManager::counter_name(name_space(), "avgMajorIntervalTime");
98 _avg_major_interval = PerfDataManager::create_variable(SUN_GC, cname,
99 PerfData::U_Ticks, (jlong) ps_size_policy()->_avg_major_interval->average(), CHECK);
100
101 cname = PerfDataManager::counter_name(name_space(), "majorGcCost");
102 _major_gc_cost_counter = PerfDataManager::create_variable(SUN_GC, cname,
103 PerfData::U_Ticks, (jlong) ps_size_policy()->major_gc_cost(), CHECK);
104
105 cname = PerfDataManager::counter_name(name_space(), "liveSpace");
106 _live_space = PerfDataManager::create_variable(SUN_GC, cname,
107 PerfData::U_Bytes, ps_size_policy()->live_space(), CHECK);
108
109 cname = PerfDataManager::counter_name(name_space(), "freeSpace");
110 _free_space = PerfDataManager::create_variable(SUN_GC, cname,
111 PerfData::U_Bytes, ps_size_policy()->free_space(), CHECK);
112
113 cname = PerfDataManager::counter_name(name_space(), "avgBaseFootprint");
114 _avg_base_footprint = PerfDataManager::create_variable(SUN_GC, cname,
115 PerfData::U_Bytes, (jlong) ps_size_policy()->avg_base_footprint()->average(), CHECK);
116
117 cname = PerfDataManager::counter_name(name_space(), "liveAtLastFullGc");
118 _live_at_last_full_gc_counter =
119 PerfDataManager::create_variable(SUN_GC, cname,
120 PerfData::U_Bytes, ps_size_policy()->live_at_last_full_gc(), CHECK);
121
122 cname = PerfDataManager::counter_name(name_space(), "majorPauseOldSlope");
123 _major_pause_old_slope = PerfDataManager::create_variable(SUN_GC, cname,
124 PerfData::U_None, (jlong) 0, CHECK);
125
126 cname = PerfDataManager::counter_name(name_space(), "minorPauseOldSlope");
127 _minor_pause_old_slope = PerfDataManager::create_variable(SUN_GC, cname,
128 PerfData::U_None, (jlong) 0, CHECK);
129
130 cname = PerfDataManager::counter_name(name_space(), "majorPauseYoungSlope");
131 _major_pause_young_slope = PerfDataManager::create_variable(SUN_GC, cname,
132 PerfData::U_None, (jlong) 0, CHECK);
133
134 cname = PerfDataManager::counter_name(name_space(), "scavengeSkipped");
135 _scavenge_skipped = PerfDataManager::create_variable(SUN_GC, cname,
136 PerfData::U_Bytes, (jlong) 0, CHECK);
137
138 cname = PerfDataManager::counter_name(name_space(), "fullFollowsScavenge");
139 _full_follows_scavenge = PerfDataManager::create_variable(SUN_GC, cname,
140 PerfData::U_Bytes, (jlong) 0, CHECK);
141
142 _counter_time_stamp.update();
143 }
144
145 assert(size_policy()->is_gc_ps_adaptive_size_policy(),
146 "Wrong type of size policy");
147 }
148
update_counters_from_policy()149 void PSGCAdaptivePolicyCounters::update_counters_from_policy() {
150 if (UsePerfData) {
151 GCAdaptivePolicyCounters::update_counters_from_policy();
152 update_eden_size();
153 update_promo_size();
154 update_avg_old_live();
155 update_survivor_size_counters();
156 update_avg_promoted_avg();
157 update_avg_promoted_dev();
158 update_avg_promoted_padded_avg();
159 update_avg_pretenured_padded_avg();
160
161 update_avg_major_pause();
162 update_avg_major_interval();
163 update_minor_gc_cost_counter();
164 update_major_gc_cost_counter();
165 update_mutator_cost_counter();
166 update_decrement_tenuring_threshold_for_gc_cost();
167 update_increment_tenuring_threshold_for_gc_cost();
168 update_decrement_tenuring_threshold_for_survivor_limit();
169 update_live_space();
170 update_free_space();
171 update_avg_base_footprint();
172
173 update_change_old_gen_for_maj_pauses();
174 update_change_young_gen_for_maj_pauses();
175 update_change_old_gen_for_min_pauses();
176
177 update_change_old_gen_for_throughput();
178 update_change_young_gen_for_throughput();
179
180 update_decrease_for_footprint();
181 update_decide_at_full_gc_counter();
182
183 update_major_pause_old_slope();
184 update_minor_pause_old_slope();
185 update_major_pause_young_slope();
186 update_minor_collection_slope_counter();
187 update_gc_overhead_limit_exceeded_counter();
188 update_live_at_last_full_gc_counter();
189 }
190 }
191
update_counters()192 void PSGCAdaptivePolicyCounters::update_counters() {
193 if (UsePerfData) {
194 update_counters_from_policy();
195 }
196 }
197