Mercurial > hg > graal-jvmci-8
annotate src/share/vm/runtime/timer.cpp @ 1966:4110c3e0c50d
Merge
author | iveresov |
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date | Fri, 19 Nov 2010 17:01:34 -0800 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 # include "incls/_precompiled.incl" | |
26 # include "incls/_timer.cpp.incl" | |
27 | |
28 | |
29 void elapsedTimer::add(elapsedTimer t) { | |
30 _counter += t._counter; | |
31 } | |
32 | |
33 void elapsedTimer::start() { | |
34 if (!_active) { | |
35 _active = true; | |
36 _start_counter = os::elapsed_counter(); | |
37 } | |
38 } | |
39 | |
40 void elapsedTimer::stop() { | |
41 if (_active) { | |
42 _counter += os::elapsed_counter() - _start_counter; | |
43 _active = false; | |
44 } | |
45 } | |
46 | |
47 double elapsedTimer::seconds() const { | |
48 double count = (double) _counter; | |
49 double freq = (double) os::elapsed_frequency(); | |
50 return count/freq; | |
51 } | |
52 | |
53 jlong elapsedTimer::milliseconds() const { | |
54 jlong ticks_per_ms = os::elapsed_frequency() / 1000; | |
55 return _counter / ticks_per_ms; | |
56 } | |
57 | |
58 jlong elapsedTimer::active_ticks() const { | |
59 if (!_active) { | |
60 return ticks(); | |
61 } | |
62 jlong counter = _counter + os::elapsed_counter() - _start_counter; | |
63 return counter; | |
64 } | |
65 | |
66 void TimeStamp::update_to(jlong ticks) { | |
67 _counter = ticks; | |
68 if (_counter == 0) _counter = 1; | |
69 assert(is_updated(), "must not look clear"); | |
70 } | |
71 | |
72 void TimeStamp::update() { | |
73 update_to(os::elapsed_counter()); | |
74 } | |
75 | |
76 double TimeStamp::seconds() const { | |
77 assert(is_updated(), "must not be clear"); | |
78 jlong new_count = os::elapsed_counter(); | |
79 double count = (double) new_count - _counter; | |
80 double freq = (double) os::elapsed_frequency(); | |
81 return count/freq; | |
82 } | |
83 | |
84 jlong TimeStamp::milliseconds() const { | |
85 assert(is_updated(), "must not be clear"); | |
86 | |
87 jlong new_count = os::elapsed_counter(); | |
88 jlong count = new_count - _counter; | |
89 jlong ticks_per_ms = os::elapsed_frequency() / 1000; | |
90 return count / ticks_per_ms; | |
91 } | |
92 | |
93 jlong TimeStamp::ticks_since_update() const { | |
94 assert(is_updated(), "must not be clear"); | |
95 return os::elapsed_counter() - _counter; | |
96 } | |
97 | |
98 TraceTime::TraceTime(const char* title, | |
99 bool doit, | |
100 bool print_cr, | |
101 outputStream* logfile) { | |
102 _active = doit; | |
103 _verbose = true; | |
104 _print_cr = print_cr; | |
105 _logfile = (logfile != NULL) ? logfile : tty; | |
106 | |
107 if (_active) { | |
108 _accum = NULL; | |
109 if (PrintGCTimeStamps) { | |
110 _logfile->stamp(); | |
111 _logfile->print(": "); | |
112 } | |
113 _logfile->print("[%s", title); | |
114 _logfile->flush(); | |
115 _t.start(); | |
116 } | |
117 } | |
118 | |
119 TraceTime::TraceTime(const char* title, | |
120 elapsedTimer* accumulator, | |
121 bool doit, | |
122 bool verbose, | |
123 outputStream* logfile) { | |
124 _active = doit; | |
125 _verbose = verbose; | |
126 _print_cr = true; | |
127 _logfile = (logfile != NULL) ? logfile : tty; | |
128 if (_active) { | |
129 if (_verbose) { | |
130 if (PrintGCTimeStamps) { | |
131 _logfile->stamp(); | |
132 _logfile->print(": "); | |
133 } | |
134 _logfile->print("[%s", title); | |
135 _logfile->flush(); | |
136 } | |
137 _accum = accumulator; | |
138 _t.start(); | |
139 } | |
140 } | |
141 | |
142 TraceTime::~TraceTime() { | |
143 if (_active) { | |
144 _t.stop(); | |
145 if (_accum!=NULL) _accum->add(_t); | |
146 if (_verbose) { | |
147 if (_print_cr) { | |
148 _logfile->print_cr(", %3.7f secs]", _t.seconds()); | |
149 } else { | |
150 _logfile->print(", %3.7f secs]", _t.seconds()); | |
151 } | |
152 _logfile->flush(); | |
153 } | |
154 } | |
155 } | |
156 | |
157 TraceCPUTime::TraceCPUTime(bool doit, | |
158 bool print_cr, | |
159 outputStream *logfile) : | |
160 _active(doit), | |
161 _print_cr(print_cr), | |
162 _starting_user_time(0.0), | |
163 _starting_system_time(0.0), | |
164 _starting_real_time(0.0), | |
165 _logfile(logfile), | |
166 _error(false) { | |
167 if (_active) { | |
168 if (logfile != NULL) { | |
169 _logfile = logfile; | |
170 } else { | |
171 _logfile = tty; | |
172 } | |
173 | |
174 _error = !os::getTimesSecs(&_starting_real_time, | |
175 &_starting_user_time, | |
176 &_starting_system_time); | |
177 } | |
178 } | |
179 | |
180 TraceCPUTime::~TraceCPUTime() { | |
181 if (_active) { | |
182 bool valid = false; | |
183 if (!_error) { | |
184 double real_secs; // walk clock time | |
185 double system_secs; // system time | |
186 double user_secs; // user time for all threads | |
187 | |
188 double real_time, user_time, system_time; | |
189 valid = os::getTimesSecs(&real_time, &user_time, &system_time); | |
190 if (valid) { | |
191 | |
192 user_secs = user_time - _starting_user_time; | |
193 system_secs = system_time - _starting_system_time; | |
194 real_secs = real_time - _starting_real_time; | |
195 | |
196 _logfile->print(" [Times: user=%3.2f sys=%3.2f, real=%3.2f secs] ", | |
197 user_secs, system_secs, real_secs); | |
198 | |
199 } else { | |
200 _logfile->print("[Invalid result in TraceCPUTime]"); | |
201 } | |
202 } else { | |
203 _logfile->print("[Error in TraceCPUTime]"); | |
204 } | |
205 if (_print_cr) { | |
206 _logfile->print_cr(""); | |
207 } | |
208 } | |
209 } |