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comparison src/share/vm/gc_implementation/shared/copyFailedInfo.hpp @ 10405:f2110083203d

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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
date Mon, 10 Jun 2013 11:30:51 +0200
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10404:d0add7016434 10405:f2110083203d
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 */