1/*
2 * Copyright (c) 2002, 2019, 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.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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23 */
24
25#ifndef SHARE_GC_SHARED_COLLECTORCOUNTERS_HPP
26#define SHARE_GC_SHARED_COLLECTORCOUNTERS_HPP
27
28#include "runtime/perfData.hpp"
29
30// CollectorCounters is a holder class for performance counters
31// that track a collector
32
33class CollectorCounters: public CHeapObj<mtGC> {
34 friend class VMStructs;
35
36 private:
37 PerfCounter* _invocations;
38 PerfCounter* _time;
39 PerfVariable* _last_entry_time;
40 PerfVariable* _last_exit_time;
41
42 // Constant PerfData types don't need to retain a reference.
43 // However, it's a good idea to document them here.
44 // PerfStringConstant* _name;
45
46 char* _name_space;
47
48 public:
49
50 CollectorCounters(const char* name, int ordinal);
51
52 ~CollectorCounters();
53
54 inline PerfCounter* invocation_counter() const { return _invocations; }
55
56 inline PerfCounter* time_counter() const { return _time; }
57
58 inline PerfVariable* last_entry_counter() const { return _last_entry_time; }
59
60 inline PerfVariable* last_exit_counter() const { return _last_exit_time; }
61
62 const char* name_space() const { return _name_space; }
63};
64
65class TraceCollectorStats: public PerfTraceTimedEvent {
66
67 protected:
68 CollectorCounters* _c;
69
70 public:
71 TraceCollectorStats(CollectorCounters* c);
72
73 ~TraceCollectorStats();
74};
75
76#endif // SHARE_GC_SHARED_COLLECTORCOUNTERS_HPP
77