1/*
2 * Copyright (c) 2018, 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_G1_G1STRINGDEDUPSTAT_HPP
26#define SHARE_GC_G1_G1STRINGDEDUPSTAT_HPP
27
28#include "gc/shared/stringdedup/stringDedupStat.hpp"
29
30// G1 extension for gathering/reporting generational statistics
31class G1StringDedupStat : public StringDedupStat {
32private:
33 uintx _deduped_young;
34 uintx _deduped_young_bytes;
35 uintx _deduped_old;
36 uintx _deduped_old_bytes;
37
38 G1CollectedHeap* const _heap;
39
40public:
41 G1StringDedupStat();
42
43 void deduped(oop obj, uintx bytes);
44
45 void add(const StringDedupStat* const stat);
46
47 void print_statistics(bool total) const;
48
49 void reset();
50};
51
52#endif // SHARE_GC_G1_G1STRINGDEDUPSTAT_HPP
53