Sat, 23 Nov 2013 12:25:13 +0100
8028128: Add a type safe alternative for working with counter based data
Reviewed-by: dholmes, egahlin
1 /*
2 * Copyright (c) 2003, 2010, 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 */
25 #include "precompiled.hpp"
26 #include "gc_implementation/parallelScavenge/psGCAdaptivePolicyCounters.hpp"
27 #include "memory/resourceArea.hpp"
28 #include "runtime/arguments.hpp"
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;
44 const char* cname;
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);
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);
54 cname = PerfDataManager::counter_name(name_space(), "oldCapacity");
55 _old_capacity = PerfDataManager::create_variable(SUN_GC, cname,
56 PerfData::U_Bytes, (jlong) InitialHeapSize, CHECK);
58 cname = PerfDataManager::counter_name(name_space(), "boundaryMoved");
59 _boundary_moved = PerfDataManager::create_variable(SUN_GC, cname,
60 PerfData::U_Bytes, (jlong) 0, CHECK);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
143 cname = PerfDataManager::counter_name(name_space(), "scavengeSkipped");
144 _scavenge_skipped = PerfDataManager::create_variable(SUN_GC, cname,
145 PerfData::U_Bytes, (jlong) 0, CHECK);
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);
151 _counter_time_stamp.update();
152 }
154 assert(size_policy()->is_gc_ps_adaptive_size_policy(),
155 "Wrong type of size policy");
156 }
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();
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();
182 update_change_old_gen_for_maj_pauses();
183 update_change_young_gen_for_maj_pauses();
184 update_change_old_gen_for_min_pauses();
186 update_change_old_gen_for_throughput();
187 update_change_young_gen_for_throughput();
189 update_decrease_for_footprint();
190 update_decide_at_full_gc_counter();
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 }
201 void PSGCAdaptivePolicyCounters::update_counters() {
202 if (UsePerfData) {
203 update_counters_from_policy();
204 }
205 }