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_COLLECTORCOUNTERS_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_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
33 class 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;
67 class TraceCollectorStats: public PerfTraceTimedEvent {
68
69 protected:
70 CollectorCounters* _c;
71
72 public:
73 inline TraceCollectorStats(CollectorCounters* c) :
74 PerfTraceTimedEvent(c->time_counter(), c->invocation_counter()),
75 _c(c) {
76
77 if (UsePerfData) {
78 _c->last_entry_counter()->set_value(os::elapsed_counter());
79 }
80 }
81
82 inline ~TraceCollectorStats() {
83 if (UsePerfData) _c->last_exit_counter()->set_value(os::elapsed_counter());
84 }
85 };
86
87 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_COLLECTORCOUNTERS_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_COLLECTORCOUNTERS_HPP
26 #define SHARE_VM_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
33 class 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;
67 class TraceCollectorStats: public PerfTraceTimedEvent {
68
69 protected:
70 CollectorCounters* _c;
71
72 public:
73 inline TraceCollectorStats(CollectorCounters* c) :
74 PerfTraceTimedEvent(c->time_counter(), c->invocation_counter()),
75 _c(c) {
76
77 if (UsePerfData) {
78 _c->last_entry_counter()->set_value(os::elapsed_counter());
79 }
80 }
81
82 inline ~TraceCollectorStats() {
83 if (UsePerfData) _c->last_exit_counter()->set_value(os::elapsed_counter());
84 }
85 };
86
87 #endif // SHARE_VM_GC_SHARED_COLLECTORCOUNTERS_HPP
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