1 /*
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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  *
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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(), "liveAtLastFullGc");
122     _live_at_last_full_gc_counter =
123       PerfDataManager::create_variable(SUN_GC, cname,
124       PerfData::U_Bytes, ps_size_policy()->live_at_last_full_gc(), CHECK);
125 
126     cname = PerfDataManager::counter_name(name_space(), "majorPauseOldSlope");
127     _major_pause_old_slope = PerfDataManager::create_variable(SUN_GC, cname,
128       PerfData::U_None, (jlong) 0, CHECK);
129 
130     cname = PerfDataManager::counter_name(name_space(), "minorPauseOldSlope");
131     _minor_pause_old_slope = PerfDataManager::create_variable(SUN_GC, cname,
132       PerfData::U_None, (jlong) 0, CHECK);
133 
134     cname = PerfDataManager::counter_name(name_space(), "majorPauseYoungSlope");
135     _major_pause_young_slope = PerfDataManager::create_variable(SUN_GC, cname,
136       PerfData::U_None, (jlong) 0, CHECK);
137 
138     cname = PerfDataManager::counter_name(name_space(), "scavengeSkipped");
139     _scavenge_skipped = PerfDataManager::create_variable(SUN_GC, cname,
140       PerfData::U_Bytes, (jlong) 0, CHECK);
141 
142     cname = PerfDataManager::counter_name(name_space(), "fullFollowsScavenge");
143     _full_follows_scavenge = PerfDataManager::create_variable(SUN_GC, cname,
144       PerfData::U_Bytes, (jlong) 0, CHECK);
145 
146     _counter_time_stamp.update();
147   }
148 
149   assert(size_policy()->is_gc_ps_adaptive_size_policy(),
150     "Wrong type of size policy");
151 }
152 
update_counters_from_policy()153 void PSGCAdaptivePolicyCounters::update_counters_from_policy() {
154   if (UsePerfData) {
155     GCAdaptivePolicyCounters::update_counters_from_policy();
156     update_eden_size();
157     update_promo_size();
158     update_avg_old_live();
159     update_survivor_size_counters();
160     update_avg_promoted_avg();
161     update_avg_promoted_dev();
162     update_avg_promoted_padded_avg();
163     update_avg_pretenured_padded_avg();
164 
165     update_avg_major_pause();
166     update_avg_major_interval();
167     update_minor_gc_cost_counter();
168     update_major_gc_cost_counter();
169     update_mutator_cost_counter();
170     update_decrement_tenuring_threshold_for_gc_cost();
171     update_increment_tenuring_threshold_for_gc_cost();
172     update_decrement_tenuring_threshold_for_survivor_limit();
173     update_live_space();
174     update_free_space();
175     update_avg_base_footprint();
176 
177     update_change_old_gen_for_maj_pauses();
178     update_change_young_gen_for_maj_pauses();
179     update_change_old_gen_for_min_pauses();
180 
181     update_change_old_gen_for_throughput();
182     update_change_young_gen_for_throughput();
183 
184     update_decrease_for_footprint();
185     update_decide_at_full_gc_counter();
186 
187     update_major_pause_old_slope();
188     update_minor_pause_old_slope();
189     update_major_pause_young_slope();
190     update_minor_collection_slope_counter();
191     update_gc_overhead_limit_exceeded_counter();
192     update_live_at_last_full_gc_counter();
193   }
194 }
195 
update_counters()196 void PSGCAdaptivePolicyCounters::update_counters() {
197   if (UsePerfData) {
198     update_counters_from_policy();
199   }
200 }
201