Mercurial > hg > truffle
comparison src/share/vm/gc_implementation/shared/copyFailedInfo.hpp @ 10405:f2110083203d
8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
author | sla |
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date | Mon, 10 Jun 2013 11:30:51 +0200 |
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1 /* | |
2 * Copyright (c) 2012, 2013, 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 #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP | |
26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP | |
27 | |
28 #include "runtime/thread.hpp" | |
29 #include "utilities/globalDefinitions.hpp" | |
30 | |
31 class CopyFailedInfo : public CHeapObj<mtGC> { | |
32 size_t _first_size; | |
33 size_t _smallest_size; | |
34 size_t _total_size; | |
35 uint _count; | |
36 | |
37 public: | |
38 CopyFailedInfo() : _first_size(0), _smallest_size(0), _total_size(0), _count(0) {} | |
39 | |
40 virtual void register_copy_failure(size_t size) { | |
41 if (_first_size == 0) { | |
42 _first_size = size; | |
43 _smallest_size = size; | |
44 } else if (size < _smallest_size) { | |
45 _smallest_size = size; | |
46 } | |
47 _total_size += size; | |
48 _count++; | |
49 } | |
50 | |
51 virtual void reset() { | |
52 _first_size = 0; | |
53 _smallest_size = 0; | |
54 _total_size = 0; | |
55 _count = 0; | |
56 } | |
57 | |
58 bool has_failed() const { return _count != 0; } | |
59 size_t first_size() const { return _first_size; } | |
60 size_t smallest_size() const { return _smallest_size; } | |
61 size_t total_size() const { return _total_size; } | |
62 uint failed_count() const { return _count; } | |
63 }; | |
64 | |
65 class PromotionFailedInfo : public CopyFailedInfo { | |
66 OSThread* _thread; | |
67 | |
68 public: | |
69 PromotionFailedInfo() : CopyFailedInfo(), _thread(NULL) {} | |
70 | |
71 void register_copy_failure(size_t size) { | |
72 CopyFailedInfo::register_copy_failure(size); | |
73 if (_thread == NULL) { | |
74 _thread = Thread::current()->osthread(); | |
75 } else { | |
76 assert(_thread == Thread::current()->osthread(), "The PromotionFailedInfo should be thread local."); | |
77 } | |
78 } | |
79 | |
80 void reset() { | |
81 CopyFailedInfo::reset(); | |
82 _thread = NULL; | |
83 } | |
84 | |
85 OSThread* thread() const { return _thread; } | |
86 }; | |
87 | |
88 class EvacuationFailedInfo : public CopyFailedInfo {}; | |
89 | |
90 #endif /* SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP */ |