1/*
2 * Copyright (c) 2014, 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#include "gc/shared/stringdedup/stringDedupStat.hpp"
27#include "logging/log.hpp"
28
29StringDedupStat::StringDedupStat() :
30 _inspected(0),
31 _skipped(0),
32 _hashed(0),
33 _known(0),
34 _new(0),
35 _new_bytes(0),
36 _deduped(0),
37 _deduped_bytes(0),
38 _idle(0),
39 _exec(0),
40 _block(0),
41 _start_concurrent(0.0),
42 _end_concurrent(0.0),
43 _start_phase(0.0),
44 _idle_elapsed(0.0),
45 _exec_elapsed(0.0),
46 _block_elapsed(0.0) {
47}
48
49void StringDedupStat::add(const StringDedupStat* const stat) {
50 _inspected += stat->_inspected;
51 _skipped += stat->_skipped;
52 _hashed += stat->_hashed;
53 _known += stat->_known;
54 _new += stat->_new;
55 _new_bytes += stat->_new_bytes;
56 _deduped += stat->_deduped;
57 _deduped_bytes += stat->_deduped_bytes;
58 _idle += stat->_idle;
59 _exec += stat->_exec;
60 _block += stat->_block;
61 _idle_elapsed += stat->_idle_elapsed;
62 _exec_elapsed += stat->_exec_elapsed;
63 _block_elapsed += stat->_block_elapsed;
64}
65
66void StringDedupStat::print_start(const StringDedupStat* last_stat) {
67 log_info(gc, stringdedup)(
68 "Concurrent String Deduplication (" STRDEDUP_TIME_FORMAT ")",
69 STRDEDUP_TIME_PARAM(last_stat->_start_concurrent));
70}
71
72void StringDedupStat::print_end(const StringDedupStat* last_stat, const StringDedupStat* total_stat) {
73 double total_deduped_bytes_percent = 0.0;
74
75 if (total_stat->_new_bytes > 0) {
76 // Avoid division by zero
77 total_deduped_bytes_percent = percent_of(total_stat->_deduped_bytes, total_stat->_new_bytes);
78 }
79
80 log_info(gc, stringdedup)(
81 "Concurrent String Deduplication "
82 STRDEDUP_BYTES_FORMAT_NS "->" STRDEDUP_BYTES_FORMAT_NS "(" STRDEDUP_BYTES_FORMAT_NS ") "
83 "avg " STRDEDUP_PERCENT_FORMAT_NS " "
84 "(" STRDEDUP_TIME_FORMAT ", " STRDEDUP_TIME_FORMAT ") " STRDEDUP_TIME_FORMAT_MS,
85 STRDEDUP_BYTES_PARAM(last_stat->_new_bytes),
86 STRDEDUP_BYTES_PARAM(last_stat->_new_bytes - last_stat->_deduped_bytes),
87 STRDEDUP_BYTES_PARAM(last_stat->_deduped_bytes),
88 total_deduped_bytes_percent,
89 STRDEDUP_TIME_PARAM(last_stat->_start_concurrent),
90 STRDEDUP_TIME_PARAM(last_stat->_end_concurrent),
91 STRDEDUP_TIME_PARAM_MS(last_stat->_exec_elapsed));
92}
93
94void StringDedupStat::reset() {
95 _inspected = 0;
96 _skipped = 0;
97 _hashed = 0;
98 _known = 0;
99 _new = 0;
100 _new_bytes = 0;
101 _deduped = 0;
102 _deduped_bytes = 0;
103 _idle = 0;
104 _exec = 0;
105 _block = 0;
106 _start_concurrent = 0.0;
107 _end_concurrent = 0.0;
108 _start_phase = 0.0;
109 _idle_elapsed = 0.0;
110 _exec_elapsed = 0.0;
111 _block_elapsed = 0.0;
112}
113
114void StringDedupStat::print_statistics(bool total) const {
115 double skipped_percent = percent_of(_skipped, _inspected);
116 double hashed_percent = percent_of(_hashed, _inspected);
117 double known_percent = percent_of(_known, _inspected);
118 double new_percent = percent_of(_new, _inspected);
119 double deduped_percent = percent_of(_deduped, _new);
120 double deduped_bytes_percent = percent_of(_deduped_bytes, _new_bytes);
121/*
122 double deduped_young_percent = percent_of(stat._deduped_young, stat._deduped);
123 double deduped_young_bytes_percent = percent_of(stat._deduped_young_bytes, stat._deduped_bytes);
124 double deduped_old_percent = percent_of(stat._deduped_old, stat._deduped);
125 double deduped_old_bytes_percent = percent_of(stat._deduped_old_bytes, stat._deduped_bytes);
126*/
127 if (total) {
128 log_debug(gc, stringdedup)(
129 " Total Exec: " UINTX_FORMAT "/" STRDEDUP_TIME_FORMAT_MS
130 ", Idle: " UINTX_FORMAT "/" STRDEDUP_TIME_FORMAT_MS
131 ", Blocked: " UINTX_FORMAT "/" STRDEDUP_TIME_FORMAT_MS,
132 _exec, STRDEDUP_TIME_PARAM_MS(_exec_elapsed),
133 _idle, STRDEDUP_TIME_PARAM_MS(_idle_elapsed),
134 _block, STRDEDUP_TIME_PARAM_MS(_block_elapsed));
135 } else {
136 log_debug(gc, stringdedup)(
137 " Last Exec: " STRDEDUP_TIME_FORMAT_MS
138 ", Idle: " STRDEDUP_TIME_FORMAT_MS
139 ", Blocked: " UINTX_FORMAT "/" STRDEDUP_TIME_FORMAT_MS,
140 STRDEDUP_TIME_PARAM_MS(_exec_elapsed),
141 STRDEDUP_TIME_PARAM_MS(_idle_elapsed),
142 _block, STRDEDUP_TIME_PARAM_MS(_block_elapsed));
143 }
144 log_debug(gc, stringdedup)(" Inspected: " STRDEDUP_OBJECTS_FORMAT, _inspected);
145 log_debug(gc, stringdedup)(" Skipped: " STRDEDUP_OBJECTS_FORMAT "(" STRDEDUP_PERCENT_FORMAT ")", _skipped, skipped_percent);
146 log_debug(gc, stringdedup)(" Hashed: " STRDEDUP_OBJECTS_FORMAT "(" STRDEDUP_PERCENT_FORMAT ")", _hashed, hashed_percent);
147 log_debug(gc, stringdedup)(" Known: " STRDEDUP_OBJECTS_FORMAT "(" STRDEDUP_PERCENT_FORMAT ")", _known, known_percent);
148 log_debug(gc, stringdedup)(" New: " STRDEDUP_OBJECTS_FORMAT "(" STRDEDUP_PERCENT_FORMAT ") " STRDEDUP_BYTES_FORMAT,
149 _new, new_percent, STRDEDUP_BYTES_PARAM(_new_bytes));
150 log_debug(gc, stringdedup)(" Deduplicated: " STRDEDUP_OBJECTS_FORMAT "(" STRDEDUP_PERCENT_FORMAT ") " STRDEDUP_BYTES_FORMAT "(" STRDEDUP_PERCENT_FORMAT ")",
151 _deduped, deduped_percent, STRDEDUP_BYTES_PARAM(_deduped_bytes), deduped_bytes_percent);
152}
153