1 /*
2 * Copyright (c) 2002, 2014, 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_GSPACECOUNTERS_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GSPACECOUNTERS_HPP
27
28 #include "utilities/macros.hpp"
29 #if INCLUDE_ALL_GCS
30 #include "gc_implementation/shared/generationCounters.hpp"
31 #include "memory/generation.hpp"
32 #include "runtime/perfData.hpp"
33 #endif // INCLUDE_ALL_GCS
34
35 // A GSpaceCounter is a holder class for performance counters
36 // that track a space;
37
38 class GSpaceCounters: public CHeapObj<mtGC> {
39 friend class VMStructs;
40
41 private:
42 PerfVariable* _capacity;
43 PerfVariable* _used;
44
45 // Constant PerfData types don't need to retain a reference.
46 // However, it's a good idea to document them here.
47 // PerfConstant* _size;
48
49 Generation* _gen;
50 char* _name_space;
51
94 inline void update_all() {
95 update_used();
96 update_capacity();
97 }
98
99 const char* name_space() const { return _name_space; }
100 };
101
102 class GenerationUsedHelper : public PerfLongSampleHelper {
103 private:
104 Generation* _gen;
105
106 public:
107 GenerationUsedHelper(Generation* g) : _gen(g) { }
108
109 inline jlong take_sample() {
110 return _gen->used();
111 }
112 };
113
114 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GSPACECOUNTERS_HPP
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1 /*
2 * Copyright (c) 2002, 2015, 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_SHARED_GSPACECOUNTERS_HPP
26 #define SHARE_VM_GC_SHARED_GSPACECOUNTERS_HPP
27
28 #include "utilities/macros.hpp"
29 #if INCLUDE_ALL_GCS
30 #include "gc/shared/generation.hpp"
31 #include "gc/shared/generationCounters.hpp"
32 #include "runtime/perfData.hpp"
33 #endif // INCLUDE_ALL_GCS
34
35 // A GSpaceCounter is a holder class for performance counters
36 // that track a space;
37
38 class GSpaceCounters: public CHeapObj<mtGC> {
39 friend class VMStructs;
40
41 private:
42 PerfVariable* _capacity;
43 PerfVariable* _used;
44
45 // Constant PerfData types don't need to retain a reference.
46 // However, it's a good idea to document them here.
47 // PerfConstant* _size;
48
49 Generation* _gen;
50 char* _name_space;
51
94 inline void update_all() {
95 update_used();
96 update_capacity();
97 }
98
99 const char* name_space() const { return _name_space; }
100 };
101
102 class GenerationUsedHelper : public PerfLongSampleHelper {
103 private:
104 Generation* _gen;
105
106 public:
107 GenerationUsedHelper(Generation* g) : _gen(g) { }
108
109 inline jlong take_sample() {
110 return _gen->used();
111 }
112 };
113
114 #endif // SHARE_VM_GC_SHARED_GSPACECOUNTERS_HPP
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