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
G1MemoryPoolSuper(G1CollectedHeap * g1h,const char * name,size_t init_size,size_t max_size,bool support_usage_threshold)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 CollectedMemoryPool(name,
36 init_size,
37 max_size,
38 support_usage_threshold),
39 _g1mm(g1h->g1mm()) {
40 assert(UseG1GC, "sanity");
41 }
42
G1EdenPool(G1CollectedHeap * g1h,size_t initial_size)43 G1EdenPool::G1EdenPool(G1CollectedHeap* g1h, size_t initial_size) :
44 G1MemoryPoolSuper(g1h,
45 "G1 Eden Space",
46 initial_size,
47 MemoryUsage::undefined_size(),
48 false /* support_usage_threshold */) { }
49
get_memory_usage()50 MemoryUsage G1EdenPool::get_memory_usage() {
51 return _g1mm->eden_space_memory_usage(initial_size(), max_size());
52 }
53
G1SurvivorPool(G1CollectedHeap * g1h,size_t initial_size)54 G1SurvivorPool::G1SurvivorPool(G1CollectedHeap* g1h, size_t initial_size) :
55 G1MemoryPoolSuper(g1h,
56 "G1 Survivor Space",
57 initial_size,
58 MemoryUsage::undefined_size(),
59 false /* support_usage_threshold */) { }
60
get_memory_usage()61 MemoryUsage G1SurvivorPool::get_memory_usage() {
62 return _g1mm->survivor_space_memory_usage(initial_size(), max_size());
63 }
64
G1OldGenPool(G1CollectedHeap * g1h,size_t initial_size,size_t max_size)65 G1OldGenPool::G1OldGenPool(G1CollectedHeap* g1h, size_t initial_size, size_t max_size) :
66 G1MemoryPoolSuper(g1h,
67 "G1 Old Gen",
68 initial_size,
69 max_size,
70 true /* support_usage_threshold */) { }
71
get_memory_usage()72 MemoryUsage G1OldGenPool::get_memory_usage() {
73 return _g1mm->old_gen_memory_usage(initial_size(), max_size());
74 }
75