Mercurial > hg > truffle
comparison src/share/vm/services/psMemoryPool.cpp @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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1 /* | |
2 * Copyright (c) 2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 # include "incls/_precompiled.incl" | |
26 # include "incls/_psMemoryPool.cpp.incl" | |
27 | |
28 PSGenerationPool::PSGenerationPool(PSOldGen* gen, | |
29 const char* name, | |
30 PoolType type, | |
31 bool support_usage_threshold) : | |
32 CollectedMemoryPool(name, type, gen->capacity_in_bytes(), | |
33 gen->reserved().byte_size(), support_usage_threshold), _gen(gen) { | |
34 } | |
35 | |
36 PSGenerationPool::PSGenerationPool(PSPermGen* gen, | |
37 const char* name, | |
38 PoolType type, | |
39 bool support_usage_threshold) : | |
40 CollectedMemoryPool(name, type, gen->capacity_in_bytes(), | |
41 gen->reserved().byte_size(), support_usage_threshold), _gen(gen) { | |
42 } | |
43 | |
44 MemoryUsage PSGenerationPool::get_memory_usage() { | |
45 size_t maxSize = (available_for_allocation() ? max_size() : 0); | |
46 size_t used = used_in_bytes(); | |
47 size_t committed = _gen->capacity_in_bytes(); | |
48 | |
49 return MemoryUsage(initial_size(), used, committed, maxSize); | |
50 } | |
51 | |
52 // The max size of EdenMutableSpacePool = | |
53 // max size of the PSYoungGen - capacity of two survivor spaces | |
54 // | |
55 // Max size of PS eden space is changing due to ergonomic. | |
56 // PSYoungGen, PSOldGen, Eden, Survivor spaces are all resizable. | |
57 // | |
58 EdenMutableSpacePool::EdenMutableSpacePool(PSYoungGen* gen, | |
59 MutableSpace* space, | |
60 const char* name, | |
61 PoolType type, | |
62 bool support_usage_threshold) : | |
63 CollectedMemoryPool(name, type, space->capacity_in_bytes(), | |
64 (gen->max_size() - gen->from_space()->capacity_in_bytes() - gen->to_space()->capacity_in_bytes()), | |
65 support_usage_threshold), | |
66 _gen(gen), _space(space) { | |
67 } | |
68 | |
69 MemoryUsage EdenMutableSpacePool::get_memory_usage() { | |
70 size_t maxSize = (available_for_allocation() ? max_size() : 0); | |
71 size_t used = used_in_bytes(); | |
72 size_t committed = _space->capacity_in_bytes(); | |
73 | |
74 return MemoryUsage(initial_size(), used, committed, maxSize); | |
75 } | |
76 | |
77 // The max size of SurvivorMutableSpacePool = | |
78 // current capacity of the from-space | |
79 // | |
80 // PS from and to survivor spaces could have different sizes. | |
81 // | |
82 SurvivorMutableSpacePool::SurvivorMutableSpacePool(PSYoungGen* gen, | |
83 const char* name, | |
84 PoolType type, | |
85 bool support_usage_threshold) : | |
86 CollectedMemoryPool(name, type, gen->from_space()->capacity_in_bytes(), | |
87 gen->from_space()->capacity_in_bytes(), | |
88 support_usage_threshold), _gen(gen) { | |
89 } | |
90 | |
91 MemoryUsage SurvivorMutableSpacePool::get_memory_usage() { | |
92 size_t maxSize = (available_for_allocation() ? max_size() : 0); | |
93 size_t used = used_in_bytes(); | |
94 size_t committed = committed_in_bytes(); | |
95 return MemoryUsage(initial_size(), used, committed, maxSize); | |
96 } |