1 /*
2 * Copyright (c) 2012, 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 "memory/referenceProcessorStats.hpp"
30 #include "utilities/globalDefinitions.hpp"
31
32 #define assert_unset_gc_id() assert(_shared_gc_info.id() == SharedGCInfo::UNSET_GCID, "GC already started?")
33 #define assert_set_gc_id() assert(_shared_gc_info.id() != SharedGCInfo::UNSET_GCID, "GC not started?")
34
35 static jlong GCTracer_next_gc_id = 0;
36 static GCId create_new_gc_id() {
37 return GCTracer_next_gc_id++;
38 }
39
40 void GCTracer::report_gc_start_impl(GCCause::Cause cause, jlong timestamp) {
41 assert_unset_gc_id();
42
43 GCId gc_id = create_new_gc_id();
44 _shared_gc_info.set_id(gc_id);
45 _shared_gc_info.set_cause(cause);
46 _shared_gc_info.set_start_timestamp(timestamp);
47 }
48
49 void GCTracer::report_gc_start(GCCause::Cause cause, jlong timestamp) {
50 assert_unset_gc_id();
51
52 report_gc_start_impl(cause, timestamp);
53 }
54
55 bool GCTracer::has_reported_gc_start() const {
56 return _shared_gc_info.id() != SharedGCInfo::UNSET_GCID;
57 }
58
59 void GCTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) {
60 assert_set_gc_id();
61
62 _shared_gc_info.set_sum_of_pauses(time_partitions->sum_of_pauses());
63 _shared_gc_info.set_longest_pause(time_partitions->longest_pause());
64 _shared_gc_info.set_end_timestamp(timestamp);
65
66 send_phase_events(time_partitions);
67 send_garbage_collection_event();
68 }
69
70 void GCTracer::report_gc_end(jlong timestamp, TimePartitions* time_partitions) {
71 assert_set_gc_id();
72
73 report_gc_end_impl(timestamp, time_partitions);
74
75 _shared_gc_info.set_id(SharedGCInfo::UNSET_GCID);
76 }
77
78 void GCTracer::report_gc_reference_processing(const ReferenceProcessorStats& rps) const {
79 assert_set_gc_id();
80
81 send_reference_processing_event(REF_SOFT, rps.soft_count());
82 send_reference_processing_event(REF_WEAK, rps.weak_count());
83 send_reference_processing_event(REF_FINAL, rps.final_count());
84 send_reference_processing_event(REF_PHANTOM, rps.phantom_count());
85 }
86
87 void GCTracer::report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary, const PermGenSummary& perm_gen_summary) const {
88 assert_set_gc_id();
89
90 send_gc_heap_summary_event(when, heap_summary);
91 send_perm_gen_summary_event(when, perm_gen_summary);
92 }
93
94 void YoungGCTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) {
95 assert_set_gc_id();
96
97 GCTracer::report_gc_end_impl(timestamp, time_partitions);
98 send_young_gc_event();
99 }
100
101 void YoungGCTracer::report_promotion_failed(size_t size, uint count) {
102 assert_set_gc_id();
103
104 young_gc_info().register_promotion_failed();
105 send_promotion_failed_event(size, count);
106 }
107
108
109 void OldGCTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) {
110 assert_set_gc_id();
111
112 GCTracer::report_gc_end_impl(timestamp, time_partitions);
113 send_old_gc_event();
114 }
115
116 void ParallelOldTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) {
117 assert_set_gc_id();
118
119 OldGCTracer::report_gc_end_impl(timestamp, time_partitions);
120 send_parallel_old_event();
121 }
122
123 void ParallelOldTracer::report_dense_prefix(void* dense_prefix) {
124 assert_set_gc_id();
125
126 _parallel_old_gc_info.report_dense_prefix(dense_prefix);
127 }
128
129 #ifndef SERIALGC
130 void G1NewTracer::report_yc_type(G1YCType type) {
131 assert_set_gc_id();
132
133 _g1_young_gc_info.set_type(type);
134 }
135
136 void G1NewTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) {
137 assert_set_gc_id();
138
139 YoungGCTracer::report_gc_end_impl(timestamp, time_partitions);
140 send_g1_young_gc_event();
141 }
142 #endif