1/*
2 * Copyright (c) 2007, 2015, 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/heapRegion.hpp"
28#include "services/g1MemoryPool.hpp"
29
30G1MemoryPoolSuper::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                                          MemoryPool::Heap,
37                                          init_size,
38                                          max_size,
39                                          support_usage_threshold) {
40  assert(UseG1GC, "sanity");
41}
42
43G1EdenPool::G1EdenPool(G1CollectedHeap* g1h) :
44  G1MemoryPoolSuper(g1h,
45                    "G1 Eden Space",
46                    g1h->g1mm()->eden_space_committed(), /* init_size */
47                    _undefined_max,
48                    false /* support_usage_threshold */) { }
49
50MemoryUsage G1EdenPool::get_memory_usage() {
51  size_t initial_sz = initial_size();
52  size_t max_sz     = max_size();
53  size_t used       = used_in_bytes();
54  size_t committed  = _g1mm->eden_space_committed();
55
56  return MemoryUsage(initial_sz, used, committed, max_sz);
57}
58
59G1SurvivorPool::G1SurvivorPool(G1CollectedHeap* g1h) :
60  G1MemoryPoolSuper(g1h,
61                    "G1 Survivor Space",
62                    g1h->g1mm()->survivor_space_committed(), /* init_size */
63                    _undefined_max,
64                    false /* support_usage_threshold */) { }
65
66MemoryUsage G1SurvivorPool::get_memory_usage() {
67  size_t initial_sz = initial_size();
68  size_t max_sz     = max_size();
69  size_t used       = used_in_bytes();
70  size_t committed  = _g1mm->survivor_space_committed();
71
72  return MemoryUsage(initial_sz, used, committed, max_sz);
73}
74
75G1OldGenPool::G1OldGenPool(G1CollectedHeap* g1h) :
76  G1MemoryPoolSuper(g1h,
77                    "G1 Old Gen",
78                    g1h->g1mm()->old_space_committed(), /* init_size */
79                    g1h->g1mm()->old_gen_max(),
80                    true /* support_usage_threshold */) { }
81
82MemoryUsage G1OldGenPool::get_memory_usage() {
83  size_t initial_sz = initial_size();
84  size_t max_sz     = max_size();
85  size_t used       = used_in_bytes();
86  size_t committed  = _g1mm->old_space_committed();
87
88  return MemoryUsage(initial_sz, used, committed, max_sz);
89}
90