Mercurial > hg > truffle
annotate src/share/vm/runtime/timer.cpp @ 13212:eb03a7335eb0
Use fixed instead of virtual register for target in far foreign call, since the register allocator does not support virtual registers to be used at call sites.
| author | Christian Wimmer <christian.wimmer@oracle.com> |
|---|---|
| date | Mon, 02 Dec 2013 14:20:32 -0800 |
| parents | c0b0974dd509 |
| children | d8041d695d19 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 10405 | 2 * Copyright (c) 1997, 2013, 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 | |
| 3960 | 38 #ifdef TARGET_OS_FAMILY_bsd |
| 39 # include "os_bsd.inline.hpp" | |
| 40 #endif | |
| 0 | 41 |
| 10405 | 42 double TimeHelper::counter_to_seconds(jlong counter) { |
| 43 double count = (double) counter; | |
| 44 double freq = (double) os::elapsed_frequency(); | |
| 45 return counter/freq; | |
| 46 } | |
| 0 | 47 |
|
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48 elapsedTimer::elapsedTimer(jlong time, jlong timeUnitsPerSecond) { |
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49 _active = false; |
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50 jlong osTimeUnitsPerSecond = os::elapsed_frequency(); |
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51 assert(osTimeUnitsPerSecond % 1000 == 0, "must be"); |
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52 assert(timeUnitsPerSecond % 1000 == 0, "must be"); |
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53 while (osTimeUnitsPerSecond < timeUnitsPerSecond) { |
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54 timeUnitsPerSecond /= 1000; |
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55 time *= 1000; |
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56 } |
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57 while (osTimeUnitsPerSecond > timeUnitsPerSecond) { |
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58 timeUnitsPerSecond *= 1000; |
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59 time /= 1000; |
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60 } |
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61 _counter = time; |
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62 } |
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63 |
| 0 | 64 void elapsedTimer::add(elapsedTimer t) { |
| 65 _counter += t._counter; | |
| 66 } | |
| 67 | |
| 68 void elapsedTimer::start() { | |
| 69 if (!_active) { | |
| 70 _active = true; | |
| 71 _start_counter = os::elapsed_counter(); | |
| 72 } | |
| 73 } | |
| 74 | |
| 75 void elapsedTimer::stop() { | |
| 76 if (_active) { | |
| 77 _counter += os::elapsed_counter() - _start_counter; | |
| 78 _active = false; | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 double elapsedTimer::seconds() const { | |
| 10405 | 83 return TimeHelper::counter_to_seconds(_counter); |
| 0 | 84 } |
| 85 | |
| 86 jlong elapsedTimer::milliseconds() const { | |
| 87 jlong ticks_per_ms = os::elapsed_frequency() / 1000; | |
| 88 return _counter / ticks_per_ms; | |
| 89 } | |
| 90 | |
| 91 jlong elapsedTimer::active_ticks() const { | |
| 92 if (!_active) { | |
| 93 return ticks(); | |
| 94 } | |
| 95 jlong counter = _counter + os::elapsed_counter() - _start_counter; | |
| 96 return counter; | |
| 97 } | |
| 98 | |
| 99 void TimeStamp::update_to(jlong ticks) { | |
| 100 _counter = ticks; | |
| 101 if (_counter == 0) _counter = 1; | |
| 102 assert(is_updated(), "must not look clear"); | |
| 103 } | |
| 104 | |
| 105 void TimeStamp::update() { | |
| 106 update_to(os::elapsed_counter()); | |
| 107 } | |
| 108 | |
| 109 double TimeStamp::seconds() const { | |
| 110 assert(is_updated(), "must not be clear"); | |
| 111 jlong new_count = os::elapsed_counter(); | |
| 10405 | 112 return TimeHelper::counter_to_seconds(new_count - _counter); |
| 0 | 113 } |
| 114 | |
| 115 jlong TimeStamp::milliseconds() const { | |
| 116 assert(is_updated(), "must not be clear"); | |
| 117 | |
| 118 jlong new_count = os::elapsed_counter(); | |
| 119 jlong count = new_count - _counter; | |
| 120 jlong ticks_per_ms = os::elapsed_frequency() / 1000; | |
| 121 return count / ticks_per_ms; | |
| 122 } | |
| 123 | |
| 124 jlong TimeStamp::ticks_since_update() const { | |
| 125 assert(is_updated(), "must not be clear"); | |
| 126 return os::elapsed_counter() - _counter; | |
| 127 } | |
| 128 | |
| 129 TraceTime::TraceTime(const char* title, | |
| 10405 | 130 bool doit) { |
| 0 | 131 _active = doit; |
| 132 _verbose = true; | |
| 133 | |
| 134 if (_active) { | |
| 135 _accum = NULL; | |
| 10405 | 136 tty->stamp(PrintGCTimeStamps); |
| 137 tty->print("[%s", title); | |
| 138 tty->flush(); | |
| 0 | 139 _t.start(); |
| 140 } | |
| 141 } | |
| 142 | |
| 143 TraceTime::TraceTime(const char* title, | |
| 144 elapsedTimer* accumulator, | |
| 145 bool doit, | |
| 10405 | 146 bool verbose) { |
| 0 | 147 _active = doit; |
| 148 _verbose = verbose; | |
| 149 if (_active) { | |
| 150 if (_verbose) { | |
| 10405 | 151 tty->stamp(PrintGCTimeStamps); |
| 152 tty->print("[%s", title); | |
| 153 tty->flush(); | |
| 0 | 154 } |
| 155 _accum = accumulator; | |
| 156 _t.start(); | |
| 157 } | |
| 158 } | |
| 159 | |
| 160 TraceTime::~TraceTime() { | |
| 161 if (_active) { | |
| 162 _t.stop(); | |
| 163 if (_accum!=NULL) _accum->add(_t); | |
| 164 if (_verbose) { | |
| 10405 | 165 tty->print_cr(", %3.7f secs]", _t.seconds()); |
| 166 tty->flush(); | |
| 0 | 167 } |
| 168 } | |
| 169 } | |
| 170 | |
| 171 TraceCPUTime::TraceCPUTime(bool doit, | |
| 172 bool print_cr, | |
| 173 outputStream *logfile) : | |
| 174 _active(doit), | |
| 175 _print_cr(print_cr), | |
| 176 _starting_user_time(0.0), | |
| 177 _starting_system_time(0.0), | |
| 178 _starting_real_time(0.0), | |
| 179 _logfile(logfile), | |
| 180 _error(false) { | |
| 181 if (_active) { | |
| 182 if (logfile != NULL) { | |
| 183 _logfile = logfile; | |
| 184 } else { | |
| 185 _logfile = tty; | |
| 186 } | |
| 187 | |
| 188 _error = !os::getTimesSecs(&_starting_real_time, | |
| 189 &_starting_user_time, | |
| 190 &_starting_system_time); | |
| 191 } | |
| 192 } | |
| 193 | |
| 194 TraceCPUTime::~TraceCPUTime() { | |
| 195 if (_active) { | |
| 196 bool valid = false; | |
| 197 if (!_error) { | |
| 198 double real_secs; // walk clock time | |
| 199 double system_secs; // system time | |
| 200 double user_secs; // user time for all threads | |
| 201 | |
| 202 double real_time, user_time, system_time; | |
| 203 valid = os::getTimesSecs(&real_time, &user_time, &system_time); | |
| 204 if (valid) { | |
| 205 | |
| 206 user_secs = user_time - _starting_user_time; | |
| 207 system_secs = system_time - _starting_system_time; | |
| 208 real_secs = real_time - _starting_real_time; | |
| 209 | |
| 210 _logfile->print(" [Times: user=%3.2f sys=%3.2f, real=%3.2f secs] ", | |
| 211 user_secs, system_secs, real_secs); | |
| 212 | |
| 213 } else { | |
| 214 _logfile->print("[Invalid result in TraceCPUTime]"); | |
| 215 } | |
| 216 } else { | |
| 217 _logfile->print("[Error in TraceCPUTime]"); | |
| 218 } | |
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219 if (_print_cr) { |
| 0 | 220 _logfile->print_cr(""); |
| 221 } | |
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222 _logfile->flush(); |
| 0 | 223 } |
| 224 } |