|
0
|
1 /*
|
|
|
2 * Copyright 2002-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
|
20 * CA 95054 USA or visit www.sun.com if you need additional information or
|
|
|
21 * have any questions.
|
|
|
22 *
|
|
|
23 */
|
|
|
24
|
|
|
25 // GCPolicyCounters is a holder class for performance counters
|
|
|
26 // that track a generation
|
|
|
27
|
|
|
28 class GCPolicyCounters: public CHeapObj {
|
|
|
29 friend class VMStructs;
|
|
|
30
|
|
|
31 private:
|
|
|
32
|
|
|
33 // Constant PerfData types don't need to retain a reference.
|
|
|
34 // However, it's a good idea to document them here.
|
|
|
35 // PerfStringConstant* _name;
|
|
|
36 // PerfStringConstant* _collector_size;
|
|
|
37 // PerfStringConstant* _generation_size;
|
|
|
38
|
|
|
39 PerfVariable* _tenuring_threshold;
|
|
|
40 PerfVariable* _desired_survivor_size;
|
|
|
41
|
|
|
42 const char* _name_space;
|
|
|
43
|
|
|
44 public:
|
|
|
45
|
|
|
46 enum Name {
|
|
|
47 NONE,
|
|
|
48 GCPolicyCountersKind,
|
|
|
49 GCAdaptivePolicyCountersKind,
|
|
|
50 PSGCAdaptivePolicyCountersKind,
|
|
|
51 CMSGCAdaptivePolicyCountersKind
|
|
|
52 };
|
|
|
53
|
|
|
54 GCPolicyCounters(const char* name, int collectors, int generations);
|
|
|
55
|
|
|
56 inline PerfVariable* tenuring_threshold() const {
|
|
|
57 return _tenuring_threshold;
|
|
|
58 }
|
|
|
59
|
|
|
60 inline PerfVariable* desired_survivor_size() const {
|
|
|
61 return _desired_survivor_size;
|
|
|
62 }
|
|
|
63
|
|
|
64 const char* name_space() const { return _name_space; }
|
|
|
65
|
|
|
66 virtual void update_counters() {}
|
|
|
67
|
|
|
68 virtual GCPolicyCounters::Name kind() const {
|
|
|
69 return GCPolicyCounters::GCPolicyCountersKind;
|
|
|
70 }
|
|
|
71 };
|
