Mercurial > hg > truffle
annotate src/share/vm/services/g1MemoryPool.cpp @ 3109:3664989976e2
Merge
author | Gilles Duboscq <gilles.duboscq@oracle.com> |
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date | Fri, 01 Jul 2011 12:57:10 +0200 |
parents | f95d63e2154a |
children | b52782ae3880 |
rev | line source |
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1089 | 1 /* |
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2 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. |
1089 | 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 |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
1089 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "gc_implementation/g1/g1CollectedHeap.hpp" | |
27 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" | |
28 #include "gc_implementation/g1/g1CollectorPolicy.hpp" | |
29 #include "gc_implementation/g1/heapRegion.hpp" | |
30 #include "services/g1MemoryPool.hpp" | |
1089 | 31 |
32 G1MemoryPoolSuper::G1MemoryPoolSuper(G1CollectedHeap* g1h, | |
33 const char* name, | |
34 size_t init_size, | |
35 bool support_usage_threshold) : | |
36 _g1h(g1h), CollectedMemoryPool(name, | |
37 MemoryPool::Heap, | |
38 init_size, | |
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39 undefined_max(), |
1089 | 40 support_usage_threshold) { |
41 assert(UseG1GC, "sanity"); | |
42 } | |
43 | |
44 // See the comment at the top of g1MemoryPool.hpp | |
45 size_t G1MemoryPoolSuper::eden_space_committed(G1CollectedHeap* g1h) { | |
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46 return MAX2(eden_space_used(g1h), (size_t) HeapRegion::GrainBytes); |
1089 | 47 } |
48 | |
49 // See the comment at the top of g1MemoryPool.hpp | |
50 size_t G1MemoryPoolSuper::eden_space_used(G1CollectedHeap* g1h) { | |
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51 size_t young_list_length = g1h->young_list()->length(); |
1089 | 52 size_t eden_used = young_list_length * HeapRegion::GrainBytes; |
53 size_t survivor_used = survivor_space_used(g1h); | |
54 eden_used = subtract_up_to_zero(eden_used, survivor_used); | |
55 return eden_used; | |
56 } | |
57 | |
58 // See the comment at the top of g1MemoryPool.hpp | |
59 size_t G1MemoryPoolSuper::survivor_space_committed(G1CollectedHeap* g1h) { | |
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60 return MAX2(survivor_space_used(g1h), (size_t) HeapRegion::GrainBytes); |
1089 | 61 } |
62 | |
63 // See the comment at the top of g1MemoryPool.hpp | |
64 size_t G1MemoryPoolSuper::survivor_space_used(G1CollectedHeap* g1h) { | |
65 size_t survivor_num = g1h->g1_policy()->recorded_survivor_regions(); | |
66 size_t survivor_used = survivor_num * HeapRegion::GrainBytes; | |
67 return survivor_used; | |
68 } | |
69 | |
70 // See the comment at the top of g1MemoryPool.hpp | |
71 size_t G1MemoryPoolSuper::old_space_committed(G1CollectedHeap* g1h) { | |
72 size_t committed = overall_committed(g1h); | |
73 size_t eden_committed = eden_space_committed(g1h); | |
74 size_t survivor_committed = survivor_space_committed(g1h); | |
75 committed = subtract_up_to_zero(committed, eden_committed); | |
76 committed = subtract_up_to_zero(committed, survivor_committed); | |
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77 committed = MAX2(committed, (size_t) HeapRegion::GrainBytes); |
1089 | 78 return committed; |
79 } | |
80 | |
81 // See the comment at the top of g1MemoryPool.hpp | |
82 size_t G1MemoryPoolSuper::old_space_used(G1CollectedHeap* g1h) { | |
83 size_t used = overall_used(g1h); | |
84 size_t eden_used = eden_space_used(g1h); | |
85 size_t survivor_used = survivor_space_used(g1h); | |
86 used = subtract_up_to_zero(used, eden_used); | |
87 used = subtract_up_to_zero(used, survivor_used); | |
88 return used; | |
89 } | |
90 | |
91 G1EdenPool::G1EdenPool(G1CollectedHeap* g1h) : | |
92 G1MemoryPoolSuper(g1h, | |
93 "G1 Eden", | |
94 eden_space_committed(g1h), /* init_size */ | |
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95 false /* support_usage_threshold */) { } |
1089 | 96 |
97 MemoryUsage G1EdenPool::get_memory_usage() { | |
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98 size_t initial_sz = initial_size(); |
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99 size_t max_sz = max_size(); |
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100 size_t used = used_in_bytes(); |
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101 size_t committed = eden_space_committed(_g1h); |
1089 | 102 |
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103 return MemoryUsage(initial_sz, used, committed, max_sz); |
1089 | 104 } |
105 | |
106 G1SurvivorPool::G1SurvivorPool(G1CollectedHeap* g1h) : | |
107 G1MemoryPoolSuper(g1h, | |
108 "G1 Survivor", | |
109 survivor_space_committed(g1h), /* init_size */ | |
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110 false /* support_usage_threshold */) { } |
1089 | 111 |
112 MemoryUsage G1SurvivorPool::get_memory_usage() { | |
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113 size_t initial_sz = initial_size(); |
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114 size_t max_sz = max_size(); |
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115 size_t used = used_in_bytes(); |
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116 size_t committed = survivor_space_committed(_g1h); |
1089 | 117 |
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118 return MemoryUsage(initial_sz, used, committed, max_sz); |
1089 | 119 } |
120 | |
121 G1OldGenPool::G1OldGenPool(G1CollectedHeap* g1h) : | |
122 G1MemoryPoolSuper(g1h, | |
123 "G1 Old Gen", | |
124 old_space_committed(g1h), /* init_size */ | |
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125 true /* support_usage_threshold */) { } |
1089 | 126 |
127 MemoryUsage G1OldGenPool::get_memory_usage() { | |
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128 size_t initial_sz = initial_size(); |
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129 size_t max_sz = max_size(); |
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130 size_t used = used_in_bytes(); |
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131 size_t committed = old_space_committed(_g1h); |
1089 | 132 |
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133 return MemoryUsage(initial_sz, used, committed, max_sz); |
1089 | 134 } |