1 /*
2 * Copyright (c) 2014, 2015, 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/g1/g1StringDedupStat.hpp"
27
28 G1StringDedupStat::G1StringDedupStat() :
29 _inspected(0),
30 _skipped(0),
31 _hashed(0),
32 _known(0),
33 _new(0),
34 _new_bytes(0),
35 _deduped(0),
36 _deduped_bytes(0),
37 _deduped_young(0),
38 _deduped_young_bytes(0),
39 _deduped_old(0),
40 _deduped_old_bytes(0),
41 _idle(0),
42 _exec(0),
43 _block(0),
44 _start(0.0),
45 _idle_elapsed(0.0),
46 _exec_elapsed(0.0),
47 _block_elapsed(0.0) {
48 }
49
50 void G1StringDedupStat::add(const G1StringDedupStat& stat) {
51 _inspected += stat._inspected;
52 _skipped += stat._skipped;
53 _hashed += stat._hashed;
54 _known += stat._known;
55 _new += stat._new;
56 _new_bytes += stat._new_bytes;
57 _deduped += stat._deduped;
58 _deduped_bytes += stat._deduped_bytes;
59 _deduped_young += stat._deduped_young;
60 _deduped_young_bytes += stat._deduped_young_bytes;
61 _deduped_old += stat._deduped_old;
62 _deduped_old_bytes += stat._deduped_old_bytes;
63 _idle += stat._idle;
64 _exec += stat._exec;
65 _block += stat._block;
66 _idle_elapsed += stat._idle_elapsed;
67 _exec_elapsed += stat._exec_elapsed;
68 _block_elapsed += stat._block_elapsed;
69 }
70
71 void G1StringDedupStat::print_summary(outputStream* st, const G1StringDedupStat& last_stat, const G1StringDedupStat& total_stat) {
72 double total_deduped_bytes_percent = 0.0;
73
74 if (total_stat._new_bytes > 0) {
75 // Avoid division by zero
76 total_deduped_bytes_percent = (double)total_stat._deduped_bytes / (double)total_stat._new_bytes * 100.0;
77 }
78
79 st->date_stamp(PrintGCDateStamps);
80 st->stamp(PrintGCTimeStamps);
81 st->print_cr(
82 "[GC concurrent-string-deduplication, "
83 G1_STRDEDUP_BYTES_FORMAT_NS"->"G1_STRDEDUP_BYTES_FORMAT_NS"("G1_STRDEDUP_BYTES_FORMAT_NS"), avg "
84 G1_STRDEDUP_PERCENT_FORMAT_NS", "G1_STRDEDUP_TIME_FORMAT"]",
85 G1_STRDEDUP_BYTES_PARAM(last_stat._new_bytes),
86 G1_STRDEDUP_BYTES_PARAM(last_stat._new_bytes - last_stat._deduped_bytes),
87 G1_STRDEDUP_BYTES_PARAM(last_stat._deduped_bytes),
88 total_deduped_bytes_percent,
89 last_stat._exec_elapsed);
90 }
91
92 void G1StringDedupStat::print_statistics(outputStream* st, const G1StringDedupStat& stat, bool total) {
93 double young_percent = 0.0;
94 double old_percent = 0.0;
95 double skipped_percent = 0.0;
96 double hashed_percent = 0.0;
97 double known_percent = 0.0;
98 double new_percent = 0.0;
99 double deduped_percent = 0.0;
100 double deduped_bytes_percent = 0.0;
101 double deduped_young_percent = 0.0;
102 double deduped_young_bytes_percent = 0.0;
103 double deduped_old_percent = 0.0;
104 double deduped_old_bytes_percent = 0.0;
105
106 if (stat._inspected > 0) {
107 // Avoid division by zero
108 skipped_percent = (double)stat._skipped / (double)stat._inspected * 100.0;
109 hashed_percent = (double)stat._hashed / (double)stat._inspected * 100.0;
110 known_percent = (double)stat._known / (double)stat._inspected * 100.0;
111 new_percent = (double)stat._new / (double)stat._inspected * 100.0;
112 }
113
114 if (stat._new > 0) {
115 // Avoid division by zero
116 deduped_percent = (double)stat._deduped / (double)stat._new * 100.0;
117 }
118
119 if (stat._deduped > 0) {
120 // Avoid division by zero
121 deduped_young_percent = (double)stat._deduped_young / (double)stat._deduped * 100.0;
122 deduped_old_percent = (double)stat._deduped_old / (double)stat._deduped * 100.0;
123 }
124
125 if (stat._new_bytes > 0) {
126 // Avoid division by zero
127 deduped_bytes_percent = (double)stat._deduped_bytes / (double)stat._new_bytes * 100.0;
128 }
129
130 if (stat._deduped_bytes > 0) {
131 // Avoid division by zero
132 deduped_young_bytes_percent = (double)stat._deduped_young_bytes / (double)stat._deduped_bytes * 100.0;
133 deduped_old_bytes_percent = (double)stat._deduped_old_bytes / (double)stat._deduped_bytes * 100.0;
134 }
135
136 if (total) {
137 st->print_cr(
138 " [Total Exec: "UINTX_FORMAT"/"G1_STRDEDUP_TIME_FORMAT", Idle: "UINTX_FORMAT"/"G1_STRDEDUP_TIME_FORMAT", Blocked: "UINTX_FORMAT"/"G1_STRDEDUP_TIME_FORMAT"]",
139 stat._exec, stat._exec_elapsed, stat._idle, stat._idle_elapsed, stat._block, stat._block_elapsed);
140 } else {
141 st->print_cr(
142 " [Last Exec: "G1_STRDEDUP_TIME_FORMAT", Idle: "G1_STRDEDUP_TIME_FORMAT", Blocked: "UINTX_FORMAT"/"G1_STRDEDUP_TIME_FORMAT"]",
143 stat._exec_elapsed, stat._idle_elapsed, stat._block, stat._block_elapsed);
144 }
145 st->print_cr(
146 " [Inspected: "G1_STRDEDUP_OBJECTS_FORMAT"]\n"
147 " [Skipped: "G1_STRDEDUP_OBJECTS_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT")]\n"
148 " [Hashed: "G1_STRDEDUP_OBJECTS_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT")]\n"
149 " [Known: "G1_STRDEDUP_OBJECTS_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT")]\n"
150 " [New: "G1_STRDEDUP_OBJECTS_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT") "G1_STRDEDUP_BYTES_FORMAT"]\n"
151 " [Deduplicated: "G1_STRDEDUP_OBJECTS_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT") "G1_STRDEDUP_BYTES_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT")]\n"
152 " [Young: "G1_STRDEDUP_OBJECTS_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT") "G1_STRDEDUP_BYTES_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT")]\n"
153 " [Old: "G1_STRDEDUP_OBJECTS_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT") "G1_STRDEDUP_BYTES_FORMAT"("G1_STRDEDUP_PERCENT_FORMAT")]",
154 stat._inspected,
155 stat._skipped, skipped_percent,
156 stat._hashed, hashed_percent,
157 stat._known, known_percent,
158 stat._new, new_percent, G1_STRDEDUP_BYTES_PARAM(stat._new_bytes),
159 stat._deduped, deduped_percent, G1_STRDEDUP_BYTES_PARAM(stat._deduped_bytes), deduped_bytes_percent,
160 stat._deduped_young, deduped_young_percent, G1_STRDEDUP_BYTES_PARAM(stat._deduped_young_bytes), deduped_young_bytes_percent,
161 stat._deduped_old, deduped_old_percent, G1_STRDEDUP_BYTES_PARAM(stat._deduped_old_bytes), deduped_old_bytes_percent);
162 }