Mercurial > hg > truffle

comparison src/share/vm/services/psMemoryPool.cpp @ 0:a61af66fc99e jdk7-b24

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c18cbe5936b8
comparison
equal deleted inserted replaced
-1:000000000000 0:a61af66fc99e
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 }