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_SPACECOUNTERS_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_SPACECOUNTERS_HPP
27
28 #include "utilities/macros.hpp"
29 #if INCLUDE_ALL_GCS
30 #include "gc_implementation/shared/generationCounters.hpp"
31 #include "gc_implementation/shared/immutableSpace.hpp"
32 #include "gc_implementation/shared/mutableSpace.hpp"
33 #include "runtime/perfData.hpp"
34 #endif // INCLUDE_ALL_GCS
35
36 // A SpaceCounter is a holder class for performance counters
37 // that track a space;
38
39 class SpaceCounters: public CHeapObj<mtGC> {
40 friend class VMStructs;
41
42 private:
43 PerfVariable* _capacity;
44 PerfVariable* _used;
45
46 // Constant PerfData types don't need to retain a reference.
47 // However, it's a good idea to document them here.
48 // PerfConstant* _size;
49
50 MutableSpace* _object_space;
51 char* _name_space;
52
53 public:
54
70 inline void update_all() {
71 update_used();
72 update_capacity();
73 }
74
75 const char* name_space() const { return _name_space; }
76 };
77
78 class MutableSpaceUsedHelper: public PerfLongSampleHelper {
79 private:
80 MutableSpace* _m;
81
82 public:
83 MutableSpaceUsedHelper(MutableSpace* m) : _m(m) { }
84
85 inline jlong take_sample() {
86 return _m->used_in_bytes();
87 }
88 };
89
90 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_SPACECOUNTERS_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_PARALLEL_SPACECOUNTERS_HPP
26 #define SHARE_VM_GC_PARALLEL_SPACECOUNTERS_HPP
27
28 #include "gc/parallel/immutableSpace.hpp"
29 #include "gc/parallel/mutableSpace.hpp"
30 #include "gc/shared/generationCounters.hpp"
31 #include "runtime/perfData.hpp"
32 #include "utilities/macros.hpp"
33
34 // A SpaceCounter is a holder class for performance counters
35 // that track a space;
36
37 class SpaceCounters: public CHeapObj<mtGC> {
38 friend class VMStructs;
39
40 private:
41 PerfVariable* _capacity;
42 PerfVariable* _used;
43
44 // Constant PerfData types don't need to retain a reference.
45 // However, it's a good idea to document them here.
46 // PerfConstant* _size;
47
48 MutableSpace* _object_space;
49 char* _name_space;
50
51 public:
52
68 inline void update_all() {
69 update_used();
70 update_capacity();
71 }
72
73 const char* name_space() const { return _name_space; }
74 };
75
76 class MutableSpaceUsedHelper: public PerfLongSampleHelper {
77 private:
78 MutableSpace* _m;
79
80 public:
81 MutableSpaceUsedHelper(MutableSpace* m) : _m(m) { }
82
83 inline jlong take_sample() {
84 return _m->used_in_bytes();
85 }
86 };
87
88 #endif // SHARE_VM_GC_PARALLEL_SPACECOUNTERS_HPP
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