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.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<mtGC> {
36 friend class VMStructs;
37
38 private:
39 PerfVariable* _capacity;
40 PerfVariable* _used;
41 PerfVariable* _max_capacity;
42
43 // Constant PerfData types don't need to retain a reference.
44 // However, it's a good idea to document them here.
45 // PerfConstant* _size;
46
47 ContiguousSpace* _space;
48 char* _name_space;
49
56 if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space);
57 }
58
59 virtual void update_capacity();
60 virtual void update_used();
61 virtual void update_all();
62
63 const char* name_space() const { return _name_space; }
64 };
65
66 class ContiguousSpaceUsedHelper : public PerfLongSampleHelper {
67 private:
68 ContiguousSpace* _space;
69
70 public:
71 ContiguousSpaceUsedHelper(ContiguousSpace* space) : _space(space) { }
72
73 jlong take_sample();
74 };
75
76 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP
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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_SERIAL_CSPACECOUNTERS_HPP
26 #define SHARE_VM_GC_SERIAL_CSPACECOUNTERS_HPP
27
28 #include "gc/shared/generationCounters.hpp"
29 #include "gc/shared/space.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<mtGC> {
36 friend class VMStructs;
37
38 private:
39 PerfVariable* _capacity;
40 PerfVariable* _used;
41 PerfVariable* _max_capacity;
42
43 // Constant PerfData types don't need to retain a reference.
44 // However, it's a good idea to document them here.
45 // PerfConstant* _size;
46
47 ContiguousSpace* _space;
48 char* _name_space;
49
56 if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space);
57 }
58
59 virtual void update_capacity();
60 virtual void update_used();
61 virtual void update_all();
62
63 const char* name_space() const { return _name_space; }
64 };
65
66 class ContiguousSpaceUsedHelper : public PerfLongSampleHelper {
67 private:
68 ContiguousSpace* _space;
69
70 public:
71 ContiguousSpaceUsedHelper(ContiguousSpace* space) : _space(space) { }
72
73 jlong take_sample();
74 };
75
76 #endif // SHARE_VM_GC_SERIAL_CSPACECOUNTERS_HPP
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