Mercurial > hg > graal-jvmci-8

annotate src/share/vm/gc_interface/gcCause.hpp @ 24234:ea6f94ab283b default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added tag jvmci-0.36 for changeset 8128b98d4736
author Gilles Duboscq <gilles.m.duboscq@oracle.com>
date Mon, 18 Sep 2017 18:49:45 +0200
parents b5f3a471e646
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
14223
de6a9e811145 8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
mikael
parents: 10405
diff changeset
2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load
duke
parents:
diff changeset
4 *
a61af66fc99e Initial load
duke
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load
duke
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load
duke
parents:
diff changeset
7 * published by the Free Software Foundation.
a61af66fc99e Initial load
duke
parents:
diff changeset
8 *
a61af66fc99e Initial load
duke
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load
duke
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load
duke
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load
duke
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load
duke
parents:
diff changeset
13 * accompanied this code).
a61af66fc99e Initial load
duke
parents:
diff changeset
14 *
a61af66fc99e Initial load
duke
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load
duke
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load
duke
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load
duke
parents:
diff changeset
18 *
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 844
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 844
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 844
diff changeset
21 * questions.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
22 *
a61af66fc99e Initial load
duke
parents:
diff changeset
23 */
a61af66fc99e Initial load
duke
parents:
diff changeset
24
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
25 #ifndef SHARE_VM_GC_INTERFACE_GCCAUSE_HPP
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
26 #define SHARE_VM_GC_INTERFACE_GCCAUSE_HPP
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
27
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
28 #include "memory/allocation.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
29
0
a61af66fc99e Initial load
duke
parents:
diff changeset
30 //
a61af66fc99e Initial load
duke
parents:
diff changeset
31 // This class exposes implementation details of the various
a61af66fc99e Initial load
duke
parents:
diff changeset
32 // collector(s), and we need to be very careful with it. If
a61af66fc99e Initial load
duke
parents:
diff changeset
33 // use of this class grows, we should split it into public
a61af66fc99e Initial load
duke
parents:
diff changeset
34 // and implemenation-private "causes".
a61af66fc99e Initial load
duke
parents:
diff changeset
35 //
a61af66fc99e Initial load
duke
parents:
diff changeset
36
a61af66fc99e Initial load
duke
parents:
diff changeset
37 class GCCause : public AllStatic {
a61af66fc99e Initial load
duke
parents:
diff changeset
38 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
39 enum Cause {
a61af66fc99e Initial load
duke
parents:
diff changeset
40 /* public */
a61af66fc99e Initial load
duke
parents:
diff changeset
41 _java_lang_system_gc,
a61af66fc99e Initial load
duke
parents:
diff changeset
42 _full_gc_alot,
a61af66fc99e Initial load
duke
parents:
diff changeset
43 _scavenge_alot,
a61af66fc99e Initial load
duke
parents:
diff changeset
44 _allocation_profiler,
a61af66fc99e Initial load
duke
parents:
diff changeset
45 _jvmti_force_gc,
a61af66fc99e Initial load
duke
parents:
diff changeset
46 _gc_locker,
a61af66fc99e Initial load
duke
parents:
diff changeset
47 _heap_inspection,
a61af66fc99e Initial load
duke
parents:
diff changeset
48 _heap_dump,
20357
4bfc44ba0d19 8055098: WB API should be extended to provide information about size and age of object.
tschatzl
parents: 14223
diff changeset
49 _wb_young_gc,
23472
047a642c9729 8065579: WB method to start G1 concurrent mark cycle should be introduced
kevinw
parents: 20522
diff changeset
50 _wb_conc_mark,
20522
d3fd73295885 8059466: Force young GC to initiate marking cycle when stat update is requested
sjohanss
parents: 20462
diff changeset
51 _update_allocation_context_stats_inc,
d3fd73295885 8059466: Force young GC to initiate marking cycle when stat update is requested
sjohanss
parents: 20462
diff changeset
52 _update_allocation_context_stats_full,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
53
a61af66fc99e Initial load
duke
parents:
diff changeset
54 /* implementation independent, but reserved for GC use */
a61af66fc99e Initial load
duke
parents:
diff changeset
55 _no_gc,
a61af66fc99e Initial load
duke
parents:
diff changeset
56 _no_cause_specified,
a61af66fc99e Initial load
duke
parents:
diff changeset
57 _allocation_failure,
a61af66fc99e Initial load
duke
parents:
diff changeset
58
a61af66fc99e Initial load
duke
parents:
diff changeset
59 /* implementation specific */
a61af66fc99e Initial load
duke
parents:
diff changeset
60
a61af66fc99e Initial load
duke
parents:
diff changeset
61 _tenured_generation_full,
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6064
diff changeset
62 _metadata_GC_threshold,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
63
a61af66fc99e Initial load
duke
parents:
diff changeset
64 _cms_generation_full,
a61af66fc99e Initial load
duke
parents:
diff changeset
65 _cms_initial_mark,
a61af66fc99e Initial load
duke
parents:
diff changeset
66 _cms_final_remark,
10405
f2110083203d 8005849: JEP 167: Event-Based JVM Tracing
sla
parents: 7455
diff changeset
67 _cms_concurrent_mark,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
68
a61af66fc99e Initial load
duke
parents:
diff changeset
69 _old_generation_expanded_on_last_scavenge,
a61af66fc99e Initial load
duke
parents:
diff changeset
70 _old_generation_too_full_to_scavenge,
a61af66fc99e Initial load
duke
parents:
diff changeset
71 _adaptive_size_policy,
a61af66fc99e Initial load
duke
parents:
diff changeset
72
677
96b229c54d1e 6543938: G1: remove the concept of popularity
apetrusenko
parents: 342
diff changeset
73 _g1_inc_collection_pause,
4829
9509c20bba28 6976060: G1: humongous object allocations should initiate marking cycles when necessary
brutisso
parents: 2225
diff changeset
74 _g1_humongous_allocation,
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents: 0
diff changeset
75
0
a61af66fc99e Initial load
duke
parents:
diff changeset
76 _last_ditch_collection,
a61af66fc99e Initial load
duke
parents:
diff changeset
77 _last_gc_cause
a61af66fc99e Initial load
duke
parents:
diff changeset
78 };
a61af66fc99e Initial load
duke
parents:
diff changeset
79
a61af66fc99e Initial load
duke
parents:
diff changeset
80 inline static bool is_user_requested_gc(GCCause::Cause cause) {
a61af66fc99e Initial load
duke
parents:
diff changeset
81 return (cause == GCCause::_java_lang_system_gc ||
a61af66fc99e Initial load
duke
parents:
diff changeset
82 cause == GCCause::_jvmti_force_gc);
a61af66fc99e Initial load
duke
parents:
diff changeset
83 }
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents: 0
diff changeset
84
0
a61af66fc99e Initial load
duke
parents:
diff changeset
85 inline static bool is_serviceability_requested_gc(GCCause::Cause
a61af66fc99e Initial load
duke
parents:
diff changeset
86 cause) {
a61af66fc99e Initial load
duke
parents:
diff changeset
87 return (cause == GCCause::_jvmti_force_gc ||
a61af66fc99e Initial load
duke
parents:
diff changeset
88 cause == GCCause::_heap_inspection ||
a61af66fc99e Initial load
duke
parents:
diff changeset
89 cause == GCCause::_heap_dump);
a61af66fc99e Initial load
duke
parents:
diff changeset
90 }
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents: 0
diff changeset
91
0
a61af66fc99e Initial load
duke
parents:
diff changeset
92 // Return a string describing the GCCause.
a61af66fc99e Initial load
duke
parents:
diff changeset
93 static const char* to_string(GCCause::Cause cause);
a61af66fc99e Initial load
duke
parents:
diff changeset
94 };
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
95
6064
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
96 // Helper class for doing logging that includes the GC Cause
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
97 // as a string.
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
98 class GCCauseString : StackObj {
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
99 private:
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
100 static const int _length = 128;
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
101 char _buffer[_length];
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
102 int _position;
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
103
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
104 public:
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
105 GCCauseString(const char* prefix, GCCause::Cause cause) {
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
106 if (PrintGCCause) {
7455
0b54ffe4c2d3 8005672: Clean up some changes to GC logging with GCCause's
jmasa
parents: 6725
diff changeset
107 _position = jio_snprintf(_buffer, _length, "%s (%s) ", prefix, GCCause::to_string(cause));
6064
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
108 } else {
7455
0b54ffe4c2d3 8005672: Clean up some changes to GC logging with GCCause's
jmasa
parents: 6725
diff changeset
109 _position = jio_snprintf(_buffer, _length, "%s ", prefix);
6064
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
110 }
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
111 assert(_position >= 0 && _position <= _length,
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
112 err_msg("Need to increase the buffer size in GCCauseString? %d", _position));
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
113 }
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
114
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
115 GCCauseString& append(const char* str) {
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
116 int res = jio_snprintf(_buffer + _position, _length - _position, "%s", str);
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
117 _position += res;
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
118 assert(res >= 0 && _position <= _length,
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
119 err_msg("Need to increase the buffer size in GCCauseString? %d", res));
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
120 return *this;
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
121 }
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
122
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
123 operator const char*() {
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
124 return _buffer;
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
125 }
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
126 };
9d679effd28c 7166894: Add gc cause to GC logging for all collectors
brutisso
parents: 4829
diff changeset
127
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
128 #endif // SHARE_VM_GC_INTERFACE_GCCAUSE_HPP