Mercurial > hg > graal-compiler
comparison src/share/vm/gc_interface/gcCause.hpp @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | 37f87013dfd8 |
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1 /* | |
2 * Copyright 2002-2006 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 // | |
26 // This class exposes implementation details of the various | |
27 // collector(s), and we need to be very careful with it. If | |
28 // use of this class grows, we should split it into public | |
29 // and implemenation-private "causes". | |
30 // | |
31 | |
32 class GCCause : public AllStatic { | |
33 public: | |
34 enum Cause { | |
35 /* public */ | |
36 _java_lang_system_gc, | |
37 _full_gc_alot, | |
38 _scavenge_alot, | |
39 _allocation_profiler, | |
40 _jvmti_force_gc, | |
41 _gc_locker, | |
42 _heap_inspection, | |
43 _heap_dump, | |
44 | |
45 /* implementation independent, but reserved for GC use */ | |
46 _no_gc, | |
47 _no_cause_specified, | |
48 _allocation_failure, | |
49 | |
50 /* implementation specific */ | |
51 | |
52 _tenured_generation_full, | |
53 _permanent_generation_full, | |
54 | |
55 _cms_generation_full, | |
56 _cms_initial_mark, | |
57 _cms_final_remark, | |
58 | |
59 _old_generation_expanded_on_last_scavenge, | |
60 _old_generation_too_full_to_scavenge, | |
61 _adaptive_size_policy, | |
62 | |
63 _last_ditch_collection, | |
64 _last_gc_cause | |
65 }; | |
66 | |
67 inline static bool is_user_requested_gc(GCCause::Cause cause) { | |
68 return (cause == GCCause::_java_lang_system_gc || | |
69 cause == GCCause::_jvmti_force_gc); | |
70 } | |
71 inline static bool is_serviceability_requested_gc(GCCause::Cause | |
72 cause) { | |
73 return (cause == GCCause::_jvmti_force_gc || | |
74 cause == GCCause::_heap_inspection || | |
75 cause == GCCause::_heap_dump); | |
76 } | |
77 // Return a string describing the GCCause. | |
78 static const char* to_string(GCCause::Cause cause); | |
79 // Return true if the GCCause is for a full collection. | |
80 static bool is_for_full_collection(GCCause::Cause cause) PRODUCT_RETURN0; | |
81 }; |