Mercurial > hg > truffle
comparison src/share/vm/memory/metaspaceCounters.hpp @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author | coleenp |
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date | Sat, 01 Sep 2012 13:25:18 -0400 |
parents | |
children | 79f492f184d0 |
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6724:36d1d483d5d6 | 6725:da91efe96a93 |
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1 /* | |
2 * Copyright (c) 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. | |
22 * | |
23 */ | |
24 | |
25 #ifndef SHARE_VM_MEMORY_METASPACECOUNTERS_HPP | |
26 #define SHARE_VM_MEMORY_METASPACECOUNTERS_HPP | |
27 | |
28 #include "runtime/perfData.hpp" | |
29 | |
30 class MetaspaceCounters: public CHeapObj<mtClass> { | |
31 friend class VMStructs; | |
32 PerfVariable* _current_size; | |
33 PerfVariable* _capacity; | |
34 PerfVariable* _used; | |
35 PerfVariable* _max_capacity; | |
36 char* _name_space; | |
37 static MetaspaceCounters* _metaspace_counters; | |
38 void initialize(size_t min_capacity, | |
39 size_t max_capacity, | |
40 size_t curr_capacity, | |
41 size_t used); | |
42 public: | |
43 MetaspaceCounters(); | |
44 ~MetaspaceCounters(); | |
45 | |
46 void update_capacity(); | |
47 void update_used(); | |
48 void update_max_capacity(); | |
49 | |
50 void update_all(); | |
51 | |
52 static void initialize_performance_counters(); | |
53 static void update_performance_counters(); | |
54 | |
55 }; | |
56 #endif // SHARE_VM_MEMORY_METASPACECOUNTERS_HPP |