1/*
2 * Copyright (c) 2003, 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.
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
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23 */
24
25#ifndef SHARE_GC_SHARED_GCSTATS_HPP
26#define SHARE_GC_SHARED_GCSTATS_HPP
27
28#include "gc/shared/gcUtil.hpp"
29
30class GCStats : public CHeapObj<mtGC> {
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#endif // SHARE_GC_SHARED_GCSTATS_HPP
62