1 /*
2  * Copyright (c) 2003, 2015, 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
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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
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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(), "boundaryMoved");
59     _boundary_moved = PerfDataManager::create_variable(SUN_GC, cname,
60       PerfData::U_Bytes, (jlong) 0, CHECK);
61 
62     cname = PerfDataManager::counter_name(name_space(), "avgPromotedAvg");
63     _avg_promoted_avg_counter =
64       PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
65         ps_size_policy()->calculated_promo_size_in_bytes(), CHECK);
66 
67     cname = PerfDataManager::counter_name(name_space(), "avgPromotedDev");
68     _avg_promoted_dev_counter =
69       PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
70         (jlong) 0 , CHECK);
71 
72     cname = PerfDataManager::counter_name(name_space(), "avgPromotedPaddedAvg");
73     _avg_promoted_padded_avg_counter =
74       PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
75         ps_size_policy()->calculated_promo_size_in_bytes(), CHECK);
76 
77     cname = PerfDataManager::counter_name(name_space(),
78       "avgPretenuredPaddedAvg");
79     _avg_pretenured_padded_avg =
80       PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
81         (jlong) 0, CHECK);
82 
83 
84     cname = PerfDataManager::counter_name(name_space(),
85       "changeYoungGenForMajPauses");
86     _change_young_gen_for_maj_pauses_counter =
87       PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
88         (jlong)0, CHECK);
89 
90     cname = PerfDataManager::counter_name(name_space(),
91       "changeOldGenForMinPauses");
92     _change_old_gen_for_min_pauses =
93       PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Events,
94         (jlong)0, CHECK);
95 
96 
97     cname = PerfDataManager::counter_name(name_space(), "avgMajorPauseTime");
98     _avg_major_pause = PerfDataManager::create_variable(SUN_GC, cname,
99       PerfData::U_Ticks, (jlong) ps_size_policy()->_avg_major_pause->average(), CHECK);
100 
101     cname = PerfDataManager::counter_name(name_space(), "avgMajorIntervalTime");
102     _avg_major_interval = PerfDataManager::create_variable(SUN_GC, cname,
103       PerfData::U_Ticks, (jlong) ps_size_policy()->_avg_major_interval->average(), CHECK);
104 
105     cname = PerfDataManager::counter_name(name_space(), "majorGcCost");
106     _major_gc_cost_counter = PerfDataManager::create_variable(SUN_GC, cname,
107        PerfData::U_Ticks, (jlong) ps_size_policy()->major_gc_cost(), CHECK);
108 
109     cname = PerfDataManager::counter_name(name_space(), "liveSpace");
110     _live_space = PerfDataManager::create_variable(SUN_GC, cname,
111       PerfData::U_Bytes, ps_size_policy()->live_space(), CHECK);
112 
113     cname = PerfDataManager::counter_name(name_space(), "freeSpace");
114     _free_space = PerfDataManager::create_variable(SUN_GC, cname,
115       PerfData::U_Bytes, ps_size_policy()->free_space(), CHECK);
116 
117     cname = PerfDataManager::counter_name(name_space(), "avgBaseFootprint");
118     _avg_base_footprint = PerfDataManager::create_variable(SUN_GC, cname,
119       PerfData::U_Bytes, (jlong) ps_size_policy()->avg_base_footprint()->average(), CHECK);
120 
121     cname = PerfDataManager::counter_name(name_space(), "gcTimeLimitExceeded");
122     _gc_overhead_limit_exceeded_counter =
123       PerfDataManager::create_variable(SUN_GC, cname,
124       PerfData::U_Events, ps_size_policy()->gc_overhead_limit_exceeded(), CHECK);
125 
126     cname = PerfDataManager::counter_name(name_space(), "liveAtLastFullGc");
127     _live_at_last_full_gc_counter =
128       PerfDataManager::create_variable(SUN_GC, cname,
129       PerfData::U_Bytes, ps_size_policy()->live_at_last_full_gc(), CHECK);
130 
131     cname = PerfDataManager::counter_name(name_space(), "majorPauseOldSlope");
132     _major_pause_old_slope = PerfDataManager::create_variable(SUN_GC, cname,
133       PerfData::U_None, (jlong) 0, CHECK);
134 
135     cname = PerfDataManager::counter_name(name_space(), "minorPauseOldSlope");
136     _minor_pause_old_slope = PerfDataManager::create_variable(SUN_GC, cname,
137       PerfData::U_None, (jlong) 0, CHECK);
138 
139     cname = PerfDataManager::counter_name(name_space(), "majorPauseYoungSlope");
140     _major_pause_young_slope = PerfDataManager::create_variable(SUN_GC, cname,
141       PerfData::U_None, (jlong) 0, CHECK);
142 
143     cname = PerfDataManager::counter_name(name_space(), "scavengeSkipped");
144     _scavenge_skipped = PerfDataManager::create_variable(SUN_GC, cname,
145       PerfData::U_Bytes, (jlong) 0, CHECK);
146 
147     cname = PerfDataManager::counter_name(name_space(), "fullFollowsScavenge");
148     _full_follows_scavenge = PerfDataManager::create_variable(SUN_GC, cname,
149       PerfData::U_Bytes, (jlong) 0, CHECK);
150 
151     _counter_time_stamp.update();
152   }
153 
154   assert(size_policy()->is_gc_ps_adaptive_size_policy(),
155     "Wrong type of size policy");
156 }
157 
update_counters_from_policy()158 void PSGCAdaptivePolicyCounters::update_counters_from_policy() {
159   if (UsePerfData) {
160     GCAdaptivePolicyCounters::update_counters_from_policy();
161     update_eden_size();
162     update_promo_size();
163     update_avg_old_live();
164     update_survivor_size_counters();
165     update_avg_promoted_avg();
166     update_avg_promoted_dev();
167     update_avg_promoted_padded_avg();
168     update_avg_pretenured_padded_avg();
169 
170     update_avg_major_pause();
171     update_avg_major_interval();
172     update_minor_gc_cost_counter();
173     update_major_gc_cost_counter();
174     update_mutator_cost_counter();
175     update_decrement_tenuring_threshold_for_gc_cost();
176     update_increment_tenuring_threshold_for_gc_cost();
177     update_decrement_tenuring_threshold_for_survivor_limit();
178     update_live_space();
179     update_free_space();
180     update_avg_base_footprint();
181 
182     update_change_old_gen_for_maj_pauses();
183     update_change_young_gen_for_maj_pauses();
184     update_change_old_gen_for_min_pauses();
185 
186     update_change_old_gen_for_throughput();
187     update_change_young_gen_for_throughput();
188 
189     update_decrease_for_footprint();
190     update_decide_at_full_gc_counter();
191 
192     update_major_pause_old_slope();
193     update_minor_pause_old_slope();
194     update_major_pause_young_slope();
195     update_minor_collection_slope_counter();
196     update_gc_overhead_limit_exceeded_counter();
197     update_live_at_last_full_gc_counter();
198   }
199 }
200 
update_counters()201 void PSGCAdaptivePolicyCounters::update_counters() {
202   if (UsePerfData) {
203     update_counters_from_policy();
204   }
205 }
206