Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/timer.cpp @ 20596:4356234e712a
8041992: Fix of JDK-8034775 neglects to account for non-JIT VMs
Summary: Allow 0 compiler threads if no JIT is used.
Reviewed-by: kvn, dholmes
Contributed-by: Severin Gehwolf <sgehwolf@redhat.com>
author | anoll |
---|---|
date | Fri, 02 May 2014 06:24:39 +0200 |
parents | 78bbf4d43a14 |
children | 52b4284cb496 |
rev | line source |
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0 | 1 /* |
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8037816: Fix for 8036122 breaks build with Xcode5/clang
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2 * Copyright (c) 1997, 2014, 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 | |
14411 | 38 #ifdef TARGET_OS_FAMILY_aix |
39 # include "os_aix.inline.hpp" | |
40 #endif | |
3960 | 41 #ifdef TARGET_OS_FAMILY_bsd |
42 # include "os_bsd.inline.hpp" | |
43 #endif | |
0 | 44 |
10405 | 45 double TimeHelper::counter_to_seconds(jlong counter) { |
46 double count = (double) counter; | |
47 double freq = (double) os::elapsed_frequency(); | |
48 return counter/freq; | |
49 } | |
0 | 50 |
51 void elapsedTimer::add(elapsedTimer t) { | |
52 _counter += t._counter; | |
53 } | |
54 | |
55 void elapsedTimer::start() { | |
56 if (!_active) { | |
57 _active = true; | |
58 _start_counter = os::elapsed_counter(); | |
59 } | |
60 } | |
61 | |
62 void elapsedTimer::stop() { | |
63 if (_active) { | |
64 _counter += os::elapsed_counter() - _start_counter; | |
65 _active = false; | |
66 } | |
67 } | |
68 | |
69 double elapsedTimer::seconds() const { | |
10405 | 70 return TimeHelper::counter_to_seconds(_counter); |
0 | 71 } |
72 | |
73 jlong elapsedTimer::milliseconds() const { | |
74 jlong ticks_per_ms = os::elapsed_frequency() / 1000; | |
75 return _counter / ticks_per_ms; | |
76 } | |
77 | |
78 jlong elapsedTimer::active_ticks() const { | |
79 if (!_active) { | |
80 return ticks(); | |
81 } | |
82 jlong counter = _counter + os::elapsed_counter() - _start_counter; | |
83 return counter; | |
84 } | |
85 | |
86 void TimeStamp::update_to(jlong ticks) { | |
87 _counter = ticks; | |
88 if (_counter == 0) _counter = 1; | |
89 assert(is_updated(), "must not look clear"); | |
90 } | |
91 | |
92 void TimeStamp::update() { | |
93 update_to(os::elapsed_counter()); | |
94 } | |
95 | |
96 double TimeStamp::seconds() const { | |
97 assert(is_updated(), "must not be clear"); | |
98 jlong new_count = os::elapsed_counter(); | |
10405 | 99 return TimeHelper::counter_to_seconds(new_count - _counter); |
0 | 100 } |
101 | |
102 jlong TimeStamp::milliseconds() const { | |
103 assert(is_updated(), "must not be clear"); | |
104 | |
105 jlong new_count = os::elapsed_counter(); | |
106 jlong count = new_count - _counter; | |
107 jlong ticks_per_ms = os::elapsed_frequency() / 1000; | |
108 return count / ticks_per_ms; | |
109 } | |
110 | |
111 jlong TimeStamp::ticks_since_update() const { | |
112 assert(is_updated(), "must not be clear"); | |
113 return os::elapsed_counter() - _counter; | |
114 } | |
115 | |
116 TraceTime::TraceTime(const char* title, | |
10405 | 117 bool doit) { |
0 | 118 _active = doit; |
119 _verbose = true; | |
120 | |
121 if (_active) { | |
122 _accum = NULL; | |
10405 | 123 tty->stamp(PrintGCTimeStamps); |
124 tty->print("[%s", title); | |
125 tty->flush(); | |
0 | 126 _t.start(); |
127 } | |
128 } | |
129 | |
130 TraceTime::TraceTime(const char* title, | |
131 elapsedTimer* accumulator, | |
132 bool doit, | |
10405 | 133 bool verbose) { |
0 | 134 _active = doit; |
135 _verbose = verbose; | |
136 if (_active) { | |
137 if (_verbose) { | |
10405 | 138 tty->stamp(PrintGCTimeStamps); |
139 tty->print("[%s", title); | |
140 tty->flush(); | |
0 | 141 } |
142 _accum = accumulator; | |
143 _t.start(); | |
144 } | |
145 } | |
146 | |
147 TraceTime::~TraceTime() { | |
148 if (_active) { | |
149 _t.stop(); | |
150 if (_accum!=NULL) _accum->add(_t); | |
151 if (_verbose) { | |
10405 | 152 tty->print_cr(", %3.7f secs]", _t.seconds()); |
153 tty->flush(); | |
0 | 154 } |
155 } | |
156 } | |
157 | |
158 TraceCPUTime::TraceCPUTime(bool doit, | |
159 bool print_cr, | |
160 outputStream *logfile) : | |
161 _active(doit), | |
162 _print_cr(print_cr), | |
163 _starting_user_time(0.0), | |
164 _starting_system_time(0.0), | |
165 _starting_real_time(0.0), | |
166 _logfile(logfile), | |
167 _error(false) { | |
168 if (_active) { | |
169 if (logfile != NULL) { | |
170 _logfile = logfile; | |
171 } else { | |
172 _logfile = tty; | |
173 } | |
174 | |
175 _error = !os::getTimesSecs(&_starting_real_time, | |
176 &_starting_user_time, | |
177 &_starting_system_time); | |
178 } | |
179 } | |
180 | |
181 TraceCPUTime::~TraceCPUTime() { | |
182 if (_active) { | |
183 bool valid = false; | |
184 if (!_error) { | |
185 double real_secs; // walk clock time | |
186 double system_secs; // system time | |
187 double user_secs; // user time for all threads | |
188 | |
189 double real_time, user_time, system_time; | |
190 valid = os::getTimesSecs(&real_time, &user_time, &system_time); | |
191 if (valid) { | |
192 | |
193 user_secs = user_time - _starting_user_time; | |
194 system_secs = system_time - _starting_system_time; | |
195 real_secs = real_time - _starting_real_time; | |
196 | |
197 _logfile->print(" [Times: user=%3.2f sys=%3.2f, real=%3.2f secs] ", | |
198 user_secs, system_secs, real_secs); | |
199 | |
200 } else { | |
201 _logfile->print("[Invalid result in TraceCPUTime]"); | |
202 } | |
203 } else { | |
204 _logfile->print("[Error in TraceCPUTime]"); | |
205 } | |
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0f80645e9c26
8004170: G1: Verbose GC output is not getting flushed to log file using JDK 8
johnc
parents:
6842
diff
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206 if (_print_cr) { |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
14411
diff
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207 _logfile->cr(); |
0 | 208 } |
7207
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8004170: G1: Verbose GC output is not getting flushed to log file using JDK 8
johnc
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6842
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209 _logfile->flush(); |
0 | 210 } |
211 } |