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comparison src/share/vm/gc_interface/gcCause.cpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2002-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 # include "incls/_precompiled.incl"
26 # include "incls/_gcCause.cpp.incl"
27
28 const char* GCCause::to_string(GCCause::Cause cause) {
29 switch (cause) {
30 case _java_lang_system_gc:
31 return "System.gc()";
32
33 case _full_gc_alot:
34 return "FullGCAlot";
35
36 case _scavenge_alot:
37 return "ScavengeAlot";
38
39 case _allocation_profiler:
40 return "Allocation Profiler";
41
42 case _jvmti_force_gc:
43 return "JvmtiEnv ForceGarbageCollection";
44
45 case _no_gc:
46 return "No GC";
47
48 case _allocation_failure:
49 return "Allocation Failure";
50
51 case _gc_locker:
52 return "GCLocker Initiated GC";
53
54 case _heap_inspection:
55 return "Heap Inspection Initiated GC";
56
57 case _heap_dump:
58 return "Heap Dump Initiated GC";
59
60 case _tenured_generation_full:
61 return "Tenured Generation Full";
62
63 case _permanent_generation_full:
64 return "Permanent Generation Full";
65
66 case _cms_generation_full:
67 return "CMS Generation Full";
68
69 case _cms_initial_mark:
70 return "CMS Initial Mark";
71
72 case _cms_final_remark:
73 return "CMS Final Remark";
74
75 case _old_generation_expanded_on_last_scavenge:
76 return "Old Generation Expanded On Last Scavenge";
77
78 case _old_generation_too_full_to_scavenge:
79 return "Old Generation Too Full To Scavenge";
80
81 case _last_ditch_collection:
82 return "Last ditch collection";
83
84 case _last_gc_cause:
85 return "ILLEGAL VALUE - last gc cause - ILLEGAL VALUE";
86
87 default:
88 return "unknown GCCause";
89 }
90 ShouldNotReachHere();
91 }
92
93 #ifndef PRODUCT
94
95 bool GCCause::is_for_full_collection(GCCause::Cause cause) {
96 bool result;
97
98 // There are more GCCause::Cause types than listed here.
99 // For brevity, we list only those that cause full collections.
100 switch (cause) {
101 case _allocation_failure:
102 case _tenured_generation_full:
103 case _permanent_generation_full:
104 case _cms_generation_full:
105 case _last_ditch_collection:
106 result = true;
107 break;
108
109 default:
110 result = false;
111 break;
112 }
113 return result;
114 }
115
116 #endif // PRODUCT