1 /*
2 * Copyright (c) 2018, 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 #include "precompiled.hpp"
26
27 #include "gc/g1/g1CollectedHeap.inline.hpp"
28 #include "gc/g1/g1StringDedupStat.hpp"
29 #include "logging/log.hpp"
30
G1StringDedupStat()31 G1StringDedupStat::G1StringDedupStat() : StringDedupStat(),
32 _deduped_young(0),
33 _deduped_young_bytes(0),
34 _deduped_old(0),
35 _deduped_old_bytes(0),
36 _heap(G1CollectedHeap::heap()) {
37 }
38
39
40
deduped(oop obj,uintx bytes)41 void G1StringDedupStat::deduped(oop obj, uintx bytes) {
42 StringDedupStat::deduped(obj, bytes);
43 if (_heap->is_in_young(obj)) {
44 _deduped_young ++;
45 _deduped_young_bytes += bytes;
46 } else {
47 _deduped_old ++;
48 _deduped_old_bytes += bytes;
49 }
50 }
51
add(const StringDedupStat * const stat)52 void G1StringDedupStat::add(const StringDedupStat* const stat) {
53 StringDedupStat::add(stat);
54 const G1StringDedupStat* const g1_stat = (const G1StringDedupStat* const)stat;
55 _deduped_young += g1_stat->_deduped_young;
56 _deduped_young_bytes += g1_stat->_deduped_young_bytes;
57 _deduped_old += g1_stat->_deduped_old;
58 _deduped_old_bytes += g1_stat->_deduped_old_bytes;
59 }
60
print_statistics(bool total) const61 void G1StringDedupStat::print_statistics(bool total) const {
62 StringDedupStat::print_statistics(total);
63
64 double deduped_young_percent = percent_of(_deduped_young, _deduped);
65 double deduped_young_bytes_percent = percent_of(_deduped_young_bytes, _deduped_bytes);
66 double deduped_old_percent = percent_of(_deduped_old, _deduped);
67 double deduped_old_bytes_percent = percent_of(_deduped_old_bytes, _deduped_bytes);
68
69 log_debug(gc, stringdedup)(" Young: " STRDEDUP_OBJECTS_FORMAT "(" STRDEDUP_PERCENT_FORMAT ") " STRDEDUP_BYTES_FORMAT "(" STRDEDUP_PERCENT_FORMAT ")",
70 _deduped_young, deduped_young_percent, STRDEDUP_BYTES_PARAM(_deduped_young_bytes), deduped_young_bytes_percent);
71 log_debug(gc, stringdedup)(" Old: " STRDEDUP_OBJECTS_FORMAT "(" STRDEDUP_PERCENT_FORMAT ") " STRDEDUP_BYTES_FORMAT "(" STRDEDUP_PERCENT_FORMAT ")",
72 _deduped_old, deduped_old_percent, STRDEDUP_BYTES_PARAM(_deduped_old_bytes), deduped_old_bytes_percent);
73
74 }
75
reset()76 void G1StringDedupStat::reset() {
77 StringDedupStat::reset();
78 _deduped_young = 0;
79 _deduped_young_bytes = 0;
80 _deduped_old = 0;
81 _deduped_old_bytes = 0;
82 }
83