Mercurial > hg > graal-compiler
comparison src/share/vm/gc_implementation/shared/gcTrace.cpp @ 10405:f2110083203d
8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
author | sla |
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date | Mon, 10 Jun 2013 11:30:51 +0200 |
parents | |
children | 2cbc8f3011a0 |
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1 /* | |
2 * Copyright (c) 2012, 2013, 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_implementation/shared/gcHeapSummary.hpp" | |
27 #include "gc_implementation/shared/gcTimer.hpp" | |
28 #include "gc_implementation/shared/gcTrace.hpp" | |
29 #include "gc_implementation/shared/copyFailedInfo.hpp" | |
30 #include "memory/heapInspection.hpp" | |
31 #include "memory/referenceProcessorStats.hpp" | |
32 #include "utilities/globalDefinitions.hpp" | |
33 | |
34 #if INCLUDE_ALL_GCS | |
35 #include "gc_implementation/g1/evacuationInfo.hpp" | |
36 #endif | |
37 | |
38 #define assert_unset_gc_id() assert(_shared_gc_info.id() == SharedGCInfo::UNSET_GCID, "GC already started?") | |
39 #define assert_set_gc_id() assert(_shared_gc_info.id() != SharedGCInfo::UNSET_GCID, "GC not started?") | |
40 | |
41 static jlong GCTracer_next_gc_id = 0; | |
42 static GCId create_new_gc_id() { | |
43 return GCTracer_next_gc_id++; | |
44 } | |
45 | |
46 void GCTracer::report_gc_start_impl(GCCause::Cause cause, jlong timestamp) { | |
47 assert_unset_gc_id(); | |
48 | |
49 GCId gc_id = create_new_gc_id(); | |
50 _shared_gc_info.set_id(gc_id); | |
51 _shared_gc_info.set_cause(cause); | |
52 _shared_gc_info.set_start_timestamp(timestamp); | |
53 } | |
54 | |
55 void GCTracer::report_gc_start(GCCause::Cause cause, jlong timestamp) { | |
56 assert_unset_gc_id(); | |
57 | |
58 report_gc_start_impl(cause, timestamp); | |
59 } | |
60 | |
61 bool GCTracer::has_reported_gc_start() const { | |
62 return _shared_gc_info.id() != SharedGCInfo::UNSET_GCID; | |
63 } | |
64 | |
65 void GCTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { | |
66 assert_set_gc_id(); | |
67 | |
68 _shared_gc_info.set_sum_of_pauses(time_partitions->sum_of_pauses()); | |
69 _shared_gc_info.set_longest_pause(time_partitions->longest_pause()); | |
70 _shared_gc_info.set_end_timestamp(timestamp); | |
71 | |
72 send_phase_events(time_partitions); | |
73 send_garbage_collection_event(); | |
74 } | |
75 | |
76 void GCTracer::report_gc_end(jlong timestamp, TimePartitions* time_partitions) { | |
77 assert_set_gc_id(); | |
78 | |
79 report_gc_end_impl(timestamp, time_partitions); | |
80 | |
81 _shared_gc_info.set_id(SharedGCInfo::UNSET_GCID); | |
82 } | |
83 | |
84 void GCTracer::report_gc_reference_stats(const ReferenceProcessorStats& rps) const { | |
85 assert_set_gc_id(); | |
86 | |
87 send_reference_stats_event(REF_SOFT, rps.soft_count()); | |
88 send_reference_stats_event(REF_WEAK, rps.weak_count()); | |
89 send_reference_stats_event(REF_FINAL, rps.final_count()); | |
90 send_reference_stats_event(REF_PHANTOM, rps.phantom_count()); | |
91 } | |
92 | |
93 #if INCLUDE_SERVICES | |
94 void ObjectCountEventSenderClosure::do_cinfo(KlassInfoEntry* entry) { | |
95 if (should_send_event(entry)) { | |
96 send_event(entry); | |
97 } | |
98 } | |
99 | |
100 void ObjectCountEventSenderClosure::send_event(KlassInfoEntry* entry) { | |
101 _gc_tracer->send_object_count_after_gc_event(entry->klass(), entry->count(), | |
102 entry->words() * BytesPerWord); | |
103 } | |
104 | |
105 bool ObjectCountEventSenderClosure::should_send_event(KlassInfoEntry* entry) const { | |
106 double percentage_of_heap = ((double) entry->words()) / _total_size_in_words; | |
107 return percentage_of_heap > _size_threshold_percentage; | |
108 } | |
109 | |
110 void GCTracer::report_object_count_after_gc(BoolObjectClosure* is_alive_cl) { | |
111 assert_set_gc_id(); | |
112 | |
113 if (should_send_object_count_after_gc_event()) { | |
114 ResourceMark rm; | |
115 | |
116 KlassInfoTable cit(false); | |
117 if (!cit.allocation_failed()) { | |
118 HeapInspection hi(false, false, false, NULL); | |
119 hi.populate_table(&cit, is_alive_cl); | |
120 | |
121 ObjectCountEventSenderClosure event_sender(this, cit.size_of_instances_in_words()); | |
122 cit.iterate(&event_sender); | |
123 } | |
124 } | |
125 } | |
126 #endif | |
127 | |
128 void GCTracer::report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary, const MetaspaceSummary& meta_space_summary) const { | |
129 assert_set_gc_id(); | |
130 | |
131 send_gc_heap_summary_event(when, heap_summary); | |
132 send_meta_space_summary_event(when, meta_space_summary); | |
133 } | |
134 | |
135 void YoungGCTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { | |
136 assert_set_gc_id(); | |
137 assert(_tenuring_threshold != UNSET_TENURING_THRESHOLD, "Tenuring threshold has not been reported"); | |
138 | |
139 GCTracer::report_gc_end_impl(timestamp, time_partitions); | |
140 send_young_gc_event(); | |
141 | |
142 _tenuring_threshold = UNSET_TENURING_THRESHOLD; | |
143 } | |
144 | |
145 void YoungGCTracer::report_promotion_failed(const PromotionFailedInfo& pf_info) { | |
146 assert_set_gc_id(); | |
147 | |
148 send_promotion_failed_event(pf_info); | |
149 } | |
150 | |
151 void YoungGCTracer::report_tenuring_threshold(const uint tenuring_threshold) { | |
152 _tenuring_threshold = tenuring_threshold; | |
153 } | |
154 | |
155 void OldGCTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { | |
156 assert_set_gc_id(); | |
157 | |
158 GCTracer::report_gc_end_impl(timestamp, time_partitions); | |
159 send_old_gc_event(); | |
160 } | |
161 | |
162 void ParallelOldTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { | |
163 assert_set_gc_id(); | |
164 | |
165 OldGCTracer::report_gc_end_impl(timestamp, time_partitions); | |
166 send_parallel_old_event(); | |
167 } | |
168 | |
169 void ParallelOldTracer::report_dense_prefix(void* dense_prefix) { | |
170 assert_set_gc_id(); | |
171 | |
172 _parallel_old_gc_info.report_dense_prefix(dense_prefix); | |
173 } | |
174 | |
175 void OldGCTracer::report_concurrent_mode_failure() { | |
176 assert_set_gc_id(); | |
177 | |
178 send_concurrent_mode_failure_event(); | |
179 } | |
180 | |
181 #if INCLUDE_ALL_GCS | |
182 void G1NewTracer::report_yc_type(G1YCType type) { | |
183 assert_set_gc_id(); | |
184 | |
185 _g1_young_gc_info.set_type(type); | |
186 } | |
187 | |
188 void G1NewTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { | |
189 assert_set_gc_id(); | |
190 | |
191 YoungGCTracer::report_gc_end_impl(timestamp, time_partitions); | |
192 send_g1_young_gc_event(); | |
193 } | |
194 | |
195 void G1NewTracer::report_evacuation_info(EvacuationInfo* info) { | |
196 assert_set_gc_id(); | |
197 | |
198 send_evacuation_info_event(info); | |
199 } | |
200 | |
201 void G1NewTracer::report_evacuation_failed(EvacuationFailedInfo& ef_info) { | |
202 assert_set_gc_id(); | |
203 | |
204 send_evacuation_failed_event(ef_info); | |
205 ef_info.reset(); | |
206 } | |
207 #endif |