Mon, 17 Jun 2013 11:17:49 +0100
Merge
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 */
25 #ifndef SHARE_VM_MEMORY_METASPACECOUNTERS_HPP
26 #define SHARE_VM_MEMORY_METASPACECOUNTERS_HPP
28 #include "runtime/perfData.hpp"
30 class MetaspaceCounters: public CHeapObj<mtClass> {
31 friend class VMStructs;
32 PerfVariable* _capacity;
33 PerfVariable* _used;
34 PerfVariable* _max_capacity;
35 static MetaspaceCounters* _metaspace_counters;
36 void initialize(size_t min_capacity,
37 size_t max_capacity,
38 size_t curr_capacity,
39 size_t used);
40 size_t calc_total_capacity();
41 public:
42 MetaspaceCounters();
43 ~MetaspaceCounters();
45 void update_capacity();
46 void update_used();
47 void update_max_capacity();
49 void update_all();
51 static void initialize_performance_counters();
52 static void update_performance_counters();
54 };
55 #endif // SHARE_VM_MEMORY_METASPACECOUNTERS_HPP