Tue, 11 May 2010 14:35:43 -0700
6931180: Migration to recent versions of MS Platform SDK
6951582: Build problems on win64
Summary: Changes to enable building JDK7 with Microsoft Visual Studio 2010
Reviewed-by: ohair, art, ccheung, dcubed
1 /*
2 * Copyright 2007-2010 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 */
25 # include "incls/_precompiled.incl"
26 # include "incls/_g1MemoryPool.cpp.incl"
28 G1MemoryPoolSuper::G1MemoryPoolSuper(G1CollectedHeap* g1h,
29 const char* name,
30 size_t init_size,
31 size_t max_size,
32 bool support_usage_threshold) :
33 _g1h(g1h), CollectedMemoryPool(name,
34 MemoryPool::Heap,
35 init_size,
36 max_size,
37 support_usage_threshold) {
38 assert(UseG1GC, "sanity");
39 }
41 // See the comment at the top of g1MemoryPool.hpp
42 size_t G1MemoryPoolSuper::eden_space_committed(G1CollectedHeap* g1h) {
43 return MAX2(eden_space_used(g1h), (size_t) HeapRegion::GrainBytes);
44 }
46 // See the comment at the top of g1MemoryPool.hpp
47 size_t G1MemoryPoolSuper::eden_space_used(G1CollectedHeap* g1h) {
48 size_t young_list_length = g1h->young_list()->length();
49 size_t eden_used = young_list_length * HeapRegion::GrainBytes;
50 size_t survivor_used = survivor_space_used(g1h);
51 eden_used = subtract_up_to_zero(eden_used, survivor_used);
52 return eden_used;
53 }
55 // See the comment at the top of g1MemoryPool.hpp
56 size_t G1MemoryPoolSuper::eden_space_max(G1CollectedHeap* g1h) {
57 // This should ensure that it returns a value no smaller than the
58 // region size. Currently, eden_space_committed() guarantees that.
59 return eden_space_committed(g1h);
60 }
62 // See the comment at the top of g1MemoryPool.hpp
63 size_t G1MemoryPoolSuper::survivor_space_committed(G1CollectedHeap* g1h) {
64 return MAX2(survivor_space_used(g1h), (size_t) HeapRegion::GrainBytes);
65 }
67 // See the comment at the top of g1MemoryPool.hpp
68 size_t G1MemoryPoolSuper::survivor_space_used(G1CollectedHeap* g1h) {
69 size_t survivor_num = g1h->g1_policy()->recorded_survivor_regions();
70 size_t survivor_used = survivor_num * HeapRegion::GrainBytes;
71 return survivor_used;
72 }
74 // See the comment at the top of g1MemoryPool.hpp
75 size_t G1MemoryPoolSuper::survivor_space_max(G1CollectedHeap* g1h) {
76 // This should ensure that it returns a value no smaller than the
77 // region size. Currently, survivor_space_committed() guarantees that.
78 return survivor_space_committed(g1h);
79 }
81 // See the comment at the top of g1MemoryPool.hpp
82 size_t G1MemoryPoolSuper::old_space_committed(G1CollectedHeap* g1h) {
83 size_t committed = overall_committed(g1h);
84 size_t eden_committed = eden_space_committed(g1h);
85 size_t survivor_committed = survivor_space_committed(g1h);
86 committed = subtract_up_to_zero(committed, eden_committed);
87 committed = subtract_up_to_zero(committed, survivor_committed);
88 committed = MAX2(committed, (size_t) HeapRegion::GrainBytes);
89 return committed;
90 }
92 // See the comment at the top of g1MemoryPool.hpp
93 size_t G1MemoryPoolSuper::old_space_used(G1CollectedHeap* g1h) {
94 size_t used = overall_used(g1h);
95 size_t eden_used = eden_space_used(g1h);
96 size_t survivor_used = survivor_space_used(g1h);
97 used = subtract_up_to_zero(used, eden_used);
98 used = subtract_up_to_zero(used, survivor_used);
99 return used;
100 }
102 // See the comment at the top of g1MemoryPool.hpp
103 size_t G1MemoryPoolSuper::old_space_max(G1CollectedHeap* g1h) {
104 size_t max = overall_max(g1h);
105 size_t eden_max = eden_space_max(g1h);
106 size_t survivor_max = survivor_space_max(g1h);
107 max = subtract_up_to_zero(max, eden_max);
108 max = subtract_up_to_zero(max, survivor_max);
109 max = MAX2(max, (size_t) HeapRegion::GrainBytes);
110 return max;
111 }
113 G1EdenPool::G1EdenPool(G1CollectedHeap* g1h) :
114 G1MemoryPoolSuper(g1h,
115 "G1 Eden",
116 eden_space_committed(g1h), /* init_size */
117 eden_space_max(g1h), /* max_size */
118 false /* support_usage_threshold */) {
119 }
121 MemoryUsage G1EdenPool::get_memory_usage() {
122 size_t initial_sz = initial_size();
123 size_t max_sz = max_size();
124 size_t used = used_in_bytes();
125 size_t committed = eden_space_committed(_g1h);
127 return MemoryUsage(initial_sz, used, committed, max_sz);
128 }
130 G1SurvivorPool::G1SurvivorPool(G1CollectedHeap* g1h) :
131 G1MemoryPoolSuper(g1h,
132 "G1 Survivor",
133 survivor_space_committed(g1h), /* init_size */
134 survivor_space_max(g1h), /* max_size */
135 false /* support_usage_threshold */) {
136 }
138 MemoryUsage G1SurvivorPool::get_memory_usage() {
139 size_t initial_sz = initial_size();
140 size_t max_sz = max_size();
141 size_t used = used_in_bytes();
142 size_t committed = survivor_space_committed(_g1h);
144 return MemoryUsage(initial_sz, used, committed, max_sz);
145 }
147 G1OldGenPool::G1OldGenPool(G1CollectedHeap* g1h) :
148 G1MemoryPoolSuper(g1h,
149 "G1 Old Gen",
150 old_space_committed(g1h), /* init_size */
151 old_space_max(g1h), /* max_size */
152 true /* support_usage_threshold */) {
153 }
155 MemoryUsage G1OldGenPool::get_memory_usage() {
156 size_t initial_sz = initial_size();
157 size_t max_sz = max_size();
158 size_t used = used_in_bytes();
159 size_t committed = old_space_committed(_g1h);
161 return MemoryUsage(initial_sz, used, committed, max_sz);
162 }