1 /*
2 * Copyright (c) 2003, 2006, 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 class GCStats : public CHeapObj {
26 protected:
27 // Avg amount promoted; used for avoiding promotion undo
28 // This class does not update deviations if the sample is zero.
29 AdaptivePaddedNoZeroDevAverage* _avg_promoted;
30
31 public:
32 GCStats();
33
34 enum Name {
35 GCStatsKind,
36 CMSGCStatsKind
37 };
38
39 virtual Name kind() {
40 return GCStatsKind;
41 }
42
43 AdaptivePaddedNoZeroDevAverage* avg_promoted() const { return _avg_promoted; }
44
45 // Average in bytes
46 size_t average_promoted_in_bytes() const {
47 return (size_t)_avg_promoted->average();
48 }
49
50 // Padded average in bytes
51 size_t padded_average_promoted_in_bytes() const {
52 return (size_t)_avg_promoted->padded_average();
53 }
54 };
55
56 class CMSGCStats : public GCStats {
57 public:
58 CMSGCStats();
59
60 virtual Name kind() {
61 return CMSGCStatsKind;
62 }
63 };
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1 /*
2 * Copyright (c) 2003, 2010, 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_GCSTATS_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCSTATS_HPP
27
28 #include "gc_implementation/shared/gcUtil.hpp"
29
30 class GCStats : public CHeapObj {
31 protected:
32 // Avg amount promoted; used for avoiding promotion undo
33 // This class does not update deviations if the sample is zero.
34 AdaptivePaddedNoZeroDevAverage* _avg_promoted;
35
36 public:
37 GCStats();
38
39 enum Name {
40 GCStatsKind,
41 CMSGCStatsKind
42 };
43
44 virtual Name kind() {
45 return GCStatsKind;
46 }
47
48 AdaptivePaddedNoZeroDevAverage* avg_promoted() const { return _avg_promoted; }
49
50 // Average in bytes
51 size_t average_promoted_in_bytes() const {
52 return (size_t)_avg_promoted->average();
53 }
54
55 // Padded average in bytes
56 size_t padded_average_promoted_in_bytes() const {
57 return (size_t)_avg_promoted->padded_average();
58 }
59 };
60
61 class CMSGCStats : public GCStats {
62 public:
63 CMSGCStats();
64
65 virtual Name kind() {
66 return CMSGCStatsKind;
67 }
68 };
69
70 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCSTATS_HPP
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