Wed, 26 Jun 2013 16:58:37 +0200
8013590: NPG: Add a memory pool MXBean for Metaspace
Reviewed-by: jmasa, mgerdin
1 /*
2 * Copyright (c) 2001, 2012, 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.
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23 */
25 #include "precompiled.hpp"
26 #include "memory/binaryTreeDictionary.hpp"
27 #include "memory/defNewGeneration.hpp"
28 #include "memory/filemap.hpp"
29 #include "memory/genRemSet.hpp"
30 #include "memory/generationSpec.hpp"
31 #include "memory/tenuredGeneration.hpp"
32 #include "runtime/java.hpp"
33 #include "utilities/macros.hpp"
34 #if INCLUDE_ALL_GCS
35 #include "gc_implementation/parNew/asParNewGeneration.hpp"
36 #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp"
37 #include "gc_implementation/parNew/parNewGeneration.hpp"
38 #endif // INCLUDE_ALL_GCS
40 Generation* GenerationSpec::init(ReservedSpace rs, int level,
41 GenRemSet* remset) {
42 switch (name()) {
43 case Generation::DefNew:
44 return new DefNewGeneration(rs, init_size(), level);
46 case Generation::MarkSweepCompact:
47 return new TenuredGeneration(rs, init_size(), level, remset);
49 #if INCLUDE_ALL_GCS
50 case Generation::ParNew:
51 return new ParNewGeneration(rs, init_size(), level);
53 case Generation::ASParNew:
54 return new ASParNewGeneration(rs,
55 init_size(),
56 init_size() /* min size */,
57 level);
59 case Generation::ConcurrentMarkSweep: {
60 assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set");
61 CardTableRS* ctrs = remset->as_CardTableRS();
62 if (ctrs == NULL) {
63 vm_exit_during_initialization("Rem set incompatibility.");
64 }
65 // Otherwise
66 // The constructor creates the CMSCollector if needed,
67 // else registers with an existing CMSCollector
69 ConcurrentMarkSweepGeneration* g = NULL;
70 g = new ConcurrentMarkSweepGeneration(rs,
71 init_size(), level, ctrs, UseCMSAdaptiveFreeLists,
72 (FreeBlockDictionary<FreeChunk>::DictionaryChoice)CMSDictionaryChoice);
74 g->initialize_performance_counters();
76 return g;
77 }
79 case Generation::ASConcurrentMarkSweep: {
80 assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set");
81 CardTableRS* ctrs = remset->as_CardTableRS();
82 if (ctrs == NULL) {
83 vm_exit_during_initialization("Rem set incompatibility.");
84 }
85 // Otherwise
86 // The constructor creates the CMSCollector if needed,
87 // else registers with an existing CMSCollector
89 ASConcurrentMarkSweepGeneration* g = NULL;
90 g = new ASConcurrentMarkSweepGeneration(rs,
91 init_size(), level, ctrs, UseCMSAdaptiveFreeLists,
92 (FreeBlockDictionary<FreeChunk>::DictionaryChoice)CMSDictionaryChoice);
94 g->initialize_performance_counters();
96 return g;
97 }
98 #endif // INCLUDE_ALL_GCS
100 default:
101 guarantee(false, "unrecognized GenerationName");
102 return NULL;
103 }
104 }