1 /*
2 * Copyright (c) 2002, 2004, 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 // A CSpaceCounters is a holder class for performance counters
26 // that track a space;
27
28 class CSpaceCounters: public CHeapObj {
29 friend class VMStructs;
30
31 private:
32 PerfVariable* _capacity;
33 PerfVariable* _used;
34
35 // Constant PerfData types don't need to retain a reference.
36 // However, it's a good idea to document them here.
37 // PerfConstant* _size;
38
39 ContiguousSpace* _space;
40 char* _name_space;
41
42 public:
43
44 CSpaceCounters(const char* name, int ordinal, size_t max_size,
58
59 inline void update_all() {
60 update_used();
61 update_capacity();
62 }
63
64 const char* name_space() const { return _name_space; }
65 };
66
67 class ContiguousSpaceUsedHelper : public PerfLongSampleHelper {
68 private:
69 ContiguousSpace* _space;
70
71 public:
72 ContiguousSpaceUsedHelper(ContiguousSpace* space) : _space(space) { }
73
74 inline jlong take_sample() {
75 return _space->used();
76 }
77 };
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1 /*
2 * Copyright (c) 2002, 2010, 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_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP
27
28 #include "gc_implementation/shared/generationCounters.hpp"
29 #include "memory/space.inline.hpp"
30 #include "runtime/perfData.hpp"
31
32 // A CSpaceCounters is a holder class for performance counters
33 // that track a space;
34
35 class CSpaceCounters: public CHeapObj {
36 friend class VMStructs;
37
38 private:
39 PerfVariable* _capacity;
40 PerfVariable* _used;
41
42 // Constant PerfData types don't need to retain a reference.
43 // However, it's a good idea to document them here.
44 // PerfConstant* _size;
45
46 ContiguousSpace* _space;
47 char* _name_space;
48
49 public:
50
51 CSpaceCounters(const char* name, int ordinal, size_t max_size,
65
66 inline void update_all() {
67 update_used();
68 update_capacity();
69 }
70
71 const char* name_space() const { return _name_space; }
72 };
73
74 class ContiguousSpaceUsedHelper : public PerfLongSampleHelper {
75 private:
76 ContiguousSpace* _space;
77
78 public:
79 ContiguousSpaceUsedHelper(ContiguousSpace* space) : _space(space) { }
80
81 inline jlong take_sample() {
82 return _space->used();
83 }
84 };
85
86 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP
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