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annotate src/share/vm/gc_implementation/shared/cSpaceCounters.hpp @ 5935:a735aec54ea4
7123170: JCK vm/jvmti/ResourceExhausted/resexh001/resexh00101/ tests fails since 7u4 b02
Summary: The JVMTI ResourceExhausted events must be generated in all places where OOME is thrown
Reviewed-by: acorn, coleenp, dcubed, dholmes, dsamersoff, jwilhelm, tonyp
Contributed-by: serguei.spitsyn@oracle.com
author | sspitsyn |
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date | Wed, 14 Mar 2012 20:06:48 -0700 |
parents | f95d63e2154a |
children | d2a62e0f25eb |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 2002, 2010, 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 * | |
1552
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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_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP |
26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP | |
27 | |
28 #include "gc_implementation/shared/generationCounters.hpp" | |
29 #include "memory/space.inline.hpp" | |
30 #include "runtime/perfData.hpp" | |
31 | |
0 | 32 // A CSpaceCounters is a holder class for performance counters |
33 // that track a space; | |
34 | |
35 class CSpaceCounters: public CHeapObj { | |
36 friend class VMStructs; | |
37 | |
38 private: | |
39 PerfVariable* _capacity; | |
40 PerfVariable* _used; | |
41 | |
42 // Constant PerfData types don't need to retain a reference. | |
43 // However, it's a good idea to document them here. | |
44 // PerfConstant* _size; | |
45 | |
46 ContiguousSpace* _space; | |
47 char* _name_space; | |
48 | |
49 public: | |
50 | |
51 CSpaceCounters(const char* name, int ordinal, size_t max_size, | |
52 ContiguousSpace* s, GenerationCounters* gc); | |
53 | |
54 ~CSpaceCounters() { | |
55 if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space); | |
56 } | |
57 | |
58 inline void update_capacity() { | |
59 _capacity->set_value(_space->capacity()); | |
60 } | |
61 | |
62 inline void update_used() { | |
63 _used->set_value(_space->used()); | |
64 } | |
65 | |
66 inline void update_all() { | |
67 update_used(); | |
68 update_capacity(); | |
69 } | |
70 | |
71 const char* name_space() const { return _name_space; } | |
72 }; | |
73 | |
74 class ContiguousSpaceUsedHelper : public PerfLongSampleHelper { | |
75 private: | |
76 ContiguousSpace* _space; | |
77 | |
78 public: | |
79 ContiguousSpaceUsedHelper(ContiguousSpace* space) : _space(space) { } | |
80 | |
81 inline jlong take_sample() { | |
82 return _space->used(); | |
83 } | |
84 }; | |
1972 | 85 |
86 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP |