Mercurial > hg > graal-compiler
annotate src/share/vm/gc_implementation/shared/generationCounters.hpp @ 1903:87d6a4d1ecbc
6990192: VM crashes in ciTypeFlow::get_block_for()
Reviewed-by: never
author | twisti |
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date | Tue, 19 Oct 2010 02:52:57 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
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0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2002, 2004, 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 | |
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7 * published by the Free Software Foundation. | |
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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). | |
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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, | |
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18 * | |
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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 | |
25 // A GenerationCounter is a holder class for performance counters | |
26 // that track a generation | |
27 | |
28 class GenerationCounters: public CHeapObj { | |
29 friend class VMStructs; | |
30 | |
31 protected: | |
32 PerfVariable* _current_size; | |
33 VirtualSpace* _virtual_space; | |
34 | |
35 // Constant PerfData types don't need to retain a reference. | |
36 // However, it's a good idea to document them here. | |
37 // PerfStringConstant* _name; | |
38 // PerfConstant* _min_size; | |
39 // PerfConstant* _max_size; | |
40 // PerfConstant* _spaces; | |
41 | |
42 char* _name_space; | |
43 | |
44 // This constructor is only meant for use with the PSGenerationCounters | |
45 // constructor. The need for such an constructor should be eliminated | |
46 // when VirtualSpace and PSVirtualSpace are unified. | |
47 GenerationCounters() : _name_space(NULL), _current_size(NULL), _virtual_space(NULL) {} | |
48 public: | |
49 | |
50 GenerationCounters(const char* name, int ordinal, int spaces, | |
51 VirtualSpace* v); | |
52 | |
53 ~GenerationCounters() { | |
54 if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space); | |
55 } | |
56 | |
57 virtual void update_all() { | |
58 _current_size->set_value(_virtual_space->committed_size()); | |
59 } | |
60 | |
61 const char* name_space() const { return _name_space; } | |
62 }; |