Mercurial > hg > truffle
annotate src/share/vm/services/psMemoryPool.hpp @ 1764:14197af1010e
Merge
author | never |
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date | Fri, 27 Aug 2010 17:35:08 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
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0 | 1 /* |
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2 * Copyright (c) 2007, 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
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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 class PSGenerationPool : public CollectedMemoryPool { | |
26 private: | |
27 PSOldGen* _gen; | |
28 | |
29 public: | |
30 PSGenerationPool(PSOldGen* pool, const char* name, PoolType type, bool support_usage_threshold); | |
31 PSGenerationPool(PSPermGen* pool, const char* name, PoolType type, bool support_usage_threshold); | |
32 | |
33 MemoryUsage get_memory_usage(); | |
34 size_t used_in_bytes() { return _gen->used_in_bytes(); } | |
35 size_t max_size() const { return _gen->reserved().byte_size(); } | |
36 }; | |
37 | |
38 class EdenMutableSpacePool : public CollectedMemoryPool { | |
39 private: | |
40 PSYoungGen* _gen; | |
41 MutableSpace* _space; | |
42 | |
43 public: | |
44 EdenMutableSpacePool(PSYoungGen* gen, | |
45 MutableSpace* space, | |
46 const char* name, | |
47 PoolType type, | |
48 bool support_usage_threshold); | |
49 | |
50 MutableSpace* space() { return _space; } | |
51 MemoryUsage get_memory_usage(); | |
52 size_t used_in_bytes() { return space()->used_in_bytes(); } | |
53 size_t max_size() const { | |
54 // Eden's max_size = max_size of Young Gen - the current committed size of survivor spaces | |
55 return _gen->max_size() - _gen->from_space()->capacity_in_bytes() - _gen->to_space()->capacity_in_bytes(); | |
56 } | |
57 }; | |
58 | |
59 class SurvivorMutableSpacePool : public CollectedMemoryPool { | |
60 private: | |
61 PSYoungGen* _gen; | |
62 | |
63 public: | |
64 SurvivorMutableSpacePool(PSYoungGen* gen, | |
65 const char* name, | |
66 PoolType type, | |
67 bool support_usage_threshold); | |
68 | |
69 MemoryUsage get_memory_usage(); | |
70 | |
71 size_t used_in_bytes() { | |
72 return _gen->from_space()->used_in_bytes(); | |
73 } | |
74 size_t committed_in_bytes() { | |
75 return _gen->from_space()->capacity_in_bytes(); | |
76 } | |
77 size_t max_size() const { | |
78 // Return current committed size of the from-space | |
79 return _gen->from_space()->capacity_in_bytes(); | |
80 } | |
81 }; |