Mercurial > hg > truffle
annotate src/share/vm/gc_interface/gcCause.hpp @ 14680:2dfa56e10640
8027124: [TESTBUG] NonTieredLevelsTest: java.lang.RuntimeException: private TestCase$Helper(java.lang.Object) must be osr_compiled
Reviewed-by: kvn, roland
author | iignatyev |
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date | Thu, 06 Mar 2014 12:47:45 +0400 |
parents | 63a4eb8bcd23 |
children | 4ca6dc0799b6 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_GC_INTERFACE_GCCAUSE_HPP |
26 #define SHARE_VM_GC_INTERFACE_GCCAUSE_HPP | |
27 | |
28 #include "memory/allocation.hpp" | |
29 | |
0 | 30 // |
31 // This class exposes implementation details of the various | |
32 // collector(s), and we need to be very careful with it. If | |
33 // use of this class grows, we should split it into public | |
14309 | 34 // and implementation-private "causes". |
0 | 35 // |
36 | |
37 class GCCause : public AllStatic { | |
38 public: | |
39 enum Cause { | |
40 /* public */ | |
41 _java_lang_system_gc, | |
42 _full_gc_alot, | |
43 _scavenge_alot, | |
44 _allocation_profiler, | |
45 _jvmti_force_gc, | |
46 _gc_locker, | |
47 _heap_inspection, | |
48 _heap_dump, | |
49 | |
50 /* implementation independent, but reserved for GC use */ | |
51 _no_gc, | |
52 _no_cause_specified, | |
53 _allocation_failure, | |
54 | |
55 /* implementation specific */ | |
56 | |
57 _tenured_generation_full, | |
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58 _metadata_GC_threshold, |
0 | 59 |
60 _cms_generation_full, | |
61 _cms_initial_mark, | |
62 _cms_final_remark, | |
10405 | 63 _cms_concurrent_mark, |
0 | 64 |
65 _old_generation_expanded_on_last_scavenge, | |
66 _old_generation_too_full_to_scavenge, | |
67 _adaptive_size_policy, | |
68 | |
677 | 69 _g1_inc_collection_pause, |
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70 _g1_humongous_allocation, |
342 | 71 |
0 | 72 _last_ditch_collection, |
73 _last_gc_cause | |
74 }; | |
75 | |
76 inline static bool is_user_requested_gc(GCCause::Cause cause) { | |
77 return (cause == GCCause::_java_lang_system_gc || | |
78 cause == GCCause::_jvmti_force_gc); | |
79 } | |
342 | 80 |
0 | 81 inline static bool is_serviceability_requested_gc(GCCause::Cause |
82 cause) { | |
83 return (cause == GCCause::_jvmti_force_gc || | |
84 cause == GCCause::_heap_inspection || | |
85 cause == GCCause::_heap_dump); | |
86 } | |
342 | 87 |
0 | 88 // Return a string describing the GCCause. |
89 static const char* to_string(GCCause::Cause cause); | |
90 }; | |
1972 | 91 |
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92 // Helper class for doing logging that includes the GC Cause |
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93 // as a string. |
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94 class GCCauseString : StackObj { |
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95 private: |
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96 static const int _length = 128; |
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97 char _buffer[_length]; |
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98 int _position; |
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99 |
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100 public: |
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101 GCCauseString(const char* prefix, GCCause::Cause cause) { |
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102 if (PrintGCCause) { |
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103 _position = jio_snprintf(_buffer, _length, "%s (%s) ", prefix, GCCause::to_string(cause)); |
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104 } else { |
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105 _position = jio_snprintf(_buffer, _length, "%s ", prefix); |
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106 } |
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107 assert(_position >= 0 && _position <= _length, |
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108 err_msg("Need to increase the buffer size in GCCauseString? %d", _position)); |
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109 } |
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110 |
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111 GCCauseString& append(const char* str) { |
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112 int res = jio_snprintf(_buffer + _position, _length - _position, "%s", str); |
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113 _position += res; |
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114 assert(res >= 0 && _position <= _length, |
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115 err_msg("Need to increase the buffer size in GCCauseString? %d", res)); |
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116 return *this; |
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117 } |
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118 |
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119 operator const char*() { |
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120 return _buffer; |
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121 } |
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122 }; |
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123 |
1972 | 124 #endif // SHARE_VM_GC_INTERFACE_GCCAUSE_HPP |