1 /*
2 * Copyright (c) 2007, 2017, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "gc/g1/g1CollectedHeap.hpp"
27 #include "gc/g1/g1MemoryPool.hpp"
28 #include "gc/g1/heapRegion.hpp"
29
30 G1MemoryPoolSuper::G1MemoryPoolSuper(G1CollectedHeap* g1h,
31 const char* name,
32 size_t init_size,
33 size_t max_size,
34 bool support_usage_threshold) :
35 _g1mm(g1h->g1mm()), CollectedMemoryPool(name,
36 init_size,
37 max_size,
38 support_usage_threshold) {
39 assert(UseG1GC, "sanity");
40 }
41
42 G1EdenPool::G1EdenPool(G1CollectedHeap* g1h) :
43 G1MemoryPoolSuper(g1h,
44 "G1 Eden Space",
45 g1h->g1mm()->eden_space_committed(), /* init_size */
46 _undefined_max,
47 false /* support_usage_threshold */) { }
48
49 MemoryUsage G1EdenPool::get_memory_usage() {
50 size_t initial_sz = initial_size();
51 size_t max_sz = max_size();
52 size_t used = used_in_bytes();
53 size_t committed = _g1mm->eden_space_committed();
54
55 return MemoryUsage(initial_sz, used, committed, max_sz);
56 }
57
58 G1SurvivorPool::G1SurvivorPool(G1CollectedHeap* g1h) :
59 G1MemoryPoolSuper(g1h,
60 "G1 Survivor Space",
61 g1h->g1mm()->survivor_space_committed(), /* init_size */
62 _undefined_max,
63 false /* support_usage_threshold */) { }
64
65 MemoryUsage G1SurvivorPool::get_memory_usage() {
66 size_t initial_sz = initial_size();
67 size_t max_sz = max_size();
68 size_t used = used_in_bytes();
69 size_t committed = _g1mm->survivor_space_committed();
70
71 return MemoryUsage(initial_sz, used, committed, max_sz);
72 }
73
74 G1OldGenPool::G1OldGenPool(G1CollectedHeap* g1h) :
75 G1MemoryPoolSuper(g1h,
76 "G1 Old Gen",
77 g1h->g1mm()->old_space_committed(), /* init_size */
78 g1h->g1mm()->old_gen_max(),
79 true /* support_usage_threshold */) { }
80
81 MemoryUsage G1OldGenPool::get_memory_usage() {
82 size_t initial_sz = initial_size();
83 size_t max_sz = max_size();
84 size_t used = used_in_bytes();
85 size_t committed = _g1mm->old_space_committed();
86
87 return MemoryUsage(initial_sz, used, committed, max_sz);
88 }