Mercurial > hg > truffle
annotate src/share/vm/runtime/timer.cpp @ 3714:b648304ba4ff
Change Graal monitor enter and exit from BasicObjectLock to BasicLock
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Tue, 13 Dec 2011 21:17:46 -0800 |
parents | f95d63e2154a |
children | f08d439fab8c |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 1997, 2010, 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 |
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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 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "oops/oop.inline.hpp" | |
27 #include "runtime/timer.hpp" | |
28 #include "utilities/ostream.hpp" | |
29 #ifdef TARGET_OS_FAMILY_linux | |
30 # include "os_linux.inline.hpp" | |
31 #endif | |
32 #ifdef TARGET_OS_FAMILY_solaris | |
33 # include "os_solaris.inline.hpp" | |
34 #endif | |
35 #ifdef TARGET_OS_FAMILY_windows | |
36 # include "os_windows.inline.hpp" | |
37 #endif | |
0 | 38 |
39 | |
40 void elapsedTimer::add(elapsedTimer t) { | |
41 _counter += t._counter; | |
42 } | |
43 | |
44 void elapsedTimer::start() { | |
45 if (!_active) { | |
46 _active = true; | |
47 _start_counter = os::elapsed_counter(); | |
48 } | |
49 } | |
50 | |
51 void elapsedTimer::stop() { | |
52 if (_active) { | |
53 _counter += os::elapsed_counter() - _start_counter; | |
54 _active = false; | |
55 } | |
56 } | |
57 | |
58 double elapsedTimer::seconds() const { | |
59 double count = (double) _counter; | |
60 double freq = (double) os::elapsed_frequency(); | |
61 return count/freq; | |
62 } | |
63 | |
64 jlong elapsedTimer::milliseconds() const { | |
65 jlong ticks_per_ms = os::elapsed_frequency() / 1000; | |
66 return _counter / ticks_per_ms; | |
67 } | |
68 | |
69 jlong elapsedTimer::active_ticks() const { | |
70 if (!_active) { | |
71 return ticks(); | |
72 } | |
73 jlong counter = _counter + os::elapsed_counter() - _start_counter; | |
74 return counter; | |
75 } | |
76 | |
77 void TimeStamp::update_to(jlong ticks) { | |
78 _counter = ticks; | |
79 if (_counter == 0) _counter = 1; | |
80 assert(is_updated(), "must not look clear"); | |
81 } | |
82 | |
83 void TimeStamp::update() { | |
84 update_to(os::elapsed_counter()); | |
85 } | |
86 | |
87 double TimeStamp::seconds() const { | |
88 assert(is_updated(), "must not be clear"); | |
89 jlong new_count = os::elapsed_counter(); | |
90 double count = (double) new_count - _counter; | |
91 double freq = (double) os::elapsed_frequency(); | |
92 return count/freq; | |
93 } | |
94 | |
95 jlong TimeStamp::milliseconds() const { | |
96 assert(is_updated(), "must not be clear"); | |
97 | |
98 jlong new_count = os::elapsed_counter(); | |
99 jlong count = new_count - _counter; | |
100 jlong ticks_per_ms = os::elapsed_frequency() / 1000; | |
101 return count / ticks_per_ms; | |
102 } | |
103 | |
104 jlong TimeStamp::ticks_since_update() const { | |
105 assert(is_updated(), "must not be clear"); | |
106 return os::elapsed_counter() - _counter; | |
107 } | |
108 | |
109 TraceTime::TraceTime(const char* title, | |
110 bool doit, | |
111 bool print_cr, | |
112 outputStream* logfile) { | |
113 _active = doit; | |
114 _verbose = true; | |
115 _print_cr = print_cr; | |
116 _logfile = (logfile != NULL) ? logfile : tty; | |
117 | |
118 if (_active) { | |
119 _accum = NULL; | |
120 if (PrintGCTimeStamps) { | |
121 _logfile->stamp(); | |
122 _logfile->print(": "); | |
123 } | |
124 _logfile->print("[%s", title); | |
125 _logfile->flush(); | |
126 _t.start(); | |
127 } | |
128 } | |
129 | |
130 TraceTime::TraceTime(const char* title, | |
131 elapsedTimer* accumulator, | |
132 bool doit, | |
133 bool verbose, | |
134 outputStream* logfile) { | |
135 _active = doit; | |
136 _verbose = verbose; | |
137 _print_cr = true; | |
138 _logfile = (logfile != NULL) ? logfile : tty; | |
139 if (_active) { | |
140 if (_verbose) { | |
141 if (PrintGCTimeStamps) { | |
142 _logfile->stamp(); | |
143 _logfile->print(": "); | |
144 } | |
145 _logfile->print("[%s", title); | |
146 _logfile->flush(); | |
147 } | |
148 _accum = accumulator; | |
149 _t.start(); | |
150 } | |
151 } | |
152 | |
153 TraceTime::~TraceTime() { | |
154 if (_active) { | |
155 _t.stop(); | |
156 if (_accum!=NULL) _accum->add(_t); | |
157 if (_verbose) { | |
158 if (_print_cr) { | |
159 _logfile->print_cr(", %3.7f secs]", _t.seconds()); | |
160 } else { | |
161 _logfile->print(", %3.7f secs]", _t.seconds()); | |
162 } | |
163 _logfile->flush(); | |
164 } | |
165 } | |
166 } | |
167 | |
168 TraceCPUTime::TraceCPUTime(bool doit, | |
169 bool print_cr, | |
170 outputStream *logfile) : | |
171 _active(doit), | |
172 _print_cr(print_cr), | |
173 _starting_user_time(0.0), | |
174 _starting_system_time(0.0), | |
175 _starting_real_time(0.0), | |
176 _logfile(logfile), | |
177 _error(false) { | |
178 if (_active) { | |
179 if (logfile != NULL) { | |
180 _logfile = logfile; | |
181 } else { | |
182 _logfile = tty; | |
183 } | |
184 | |
185 _error = !os::getTimesSecs(&_starting_real_time, | |
186 &_starting_user_time, | |
187 &_starting_system_time); | |
188 } | |
189 } | |
190 | |
191 TraceCPUTime::~TraceCPUTime() { | |
192 if (_active) { | |
193 bool valid = false; | |
194 if (!_error) { | |
195 double real_secs; // walk clock time | |
196 double system_secs; // system time | |
197 double user_secs; // user time for all threads | |
198 | |
199 double real_time, user_time, system_time; | |
200 valid = os::getTimesSecs(&real_time, &user_time, &system_time); | |
201 if (valid) { | |
202 | |
203 user_secs = user_time - _starting_user_time; | |
204 system_secs = system_time - _starting_system_time; | |
205 real_secs = real_time - _starting_real_time; | |
206 | |
207 _logfile->print(" [Times: user=%3.2f sys=%3.2f, real=%3.2f secs] ", | |
208 user_secs, system_secs, real_secs); | |
209 | |
210 } else { | |
211 _logfile->print("[Invalid result in TraceCPUTime]"); | |
212 } | |
213 } else { | |
214 _logfile->print("[Error in TraceCPUTime]"); | |
215 } | |
216 if (_print_cr) { | |
217 _logfile->print_cr(""); | |
218 } | |
219 } | |
220 } |