whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 1 | // Copyright 2010 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #include "v8.h" |
| 29 | |
| 30 | #include "cpu-profiler-inl.h" |
| 31 | |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 32 | #ifdef ENABLE_LOGGING_AND_PROFILING |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 33 | |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 34 | #include "frames-inl.h" |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 35 | #include "hashmap.h" |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 36 | #include "log-inl.h" |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 37 | #include "vm-state-inl.h" |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 38 | |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 39 | #include "../include/v8-profiler.h" |
| 40 | |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 41 | namespace v8 { |
| 42 | namespace internal { |
| 43 | |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 44 | static const int kEventsBufferSize = 256*KB; |
| 45 | static const int kTickSamplesBufferChunkSize = 64*KB; |
| 46 | static const int kTickSamplesBufferChunksCount = 16; |
| 47 | |
| 48 | |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 49 | ProfilerEventsProcessor::ProfilerEventsProcessor(ProfileGenerator* generator) |
| 50 | : Thread("v8:ProfEvntProc"), |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 51 | generator_(generator), |
erik.corry@gmail.com | 145eff5 | 2010-08-23 11:36:18 +0000 | [diff] [blame] | 52 | running_(true), |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 53 | ticks_buffer_(sizeof(TickSampleEventRecord), |
| 54 | kTickSamplesBufferChunkSize, |
| 55 | kTickSamplesBufferChunksCount), |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 56 | enqueue_order_(0) { |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 57 | } |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 58 | |
| 59 | |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 60 | void ProfilerEventsProcessor::CallbackCreateEvent(Logger::LogEventsAndTags tag, |
| 61 | const char* prefix, |
| 62 | String* name, |
| 63 | Address start) { |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 64 | if (FilterOutCodeCreateEvent(tag)) return; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 65 | CodeEventsContainer evt_rec; |
| 66 | CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; |
| 67 | rec->type = CodeEventRecord::CODE_CREATION; |
| 68 | rec->order = ++enqueue_order_; |
| 69 | rec->start = start; |
| 70 | rec->entry = generator_->NewCodeEntry(tag, prefix, name); |
| 71 | rec->size = 1; |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 72 | rec->shared = NULL; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 73 | events_buffer_.Enqueue(evt_rec); |
| 74 | } |
| 75 | |
| 76 | |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 77 | void ProfilerEventsProcessor::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 78 | String* name, |
| 79 | String* resource_name, |
| 80 | int line_number, |
| 81 | Address start, |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 82 | unsigned size, |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 83 | Address shared) { |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 84 | if (FilterOutCodeCreateEvent(tag)) return; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 85 | CodeEventsContainer evt_rec; |
| 86 | CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; |
| 87 | rec->type = CodeEventRecord::CODE_CREATION; |
| 88 | rec->order = ++enqueue_order_; |
| 89 | rec->start = start; |
| 90 | rec->entry = generator_->NewCodeEntry(tag, name, resource_name, line_number); |
| 91 | rec->size = size; |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 92 | rec->shared = shared; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 93 | events_buffer_.Enqueue(evt_rec); |
| 94 | } |
| 95 | |
| 96 | |
| 97 | void ProfilerEventsProcessor::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 98 | const char* name, |
| 99 | Address start, |
| 100 | unsigned size) { |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 101 | if (FilterOutCodeCreateEvent(tag)) return; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 102 | CodeEventsContainer evt_rec; |
| 103 | CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; |
| 104 | rec->type = CodeEventRecord::CODE_CREATION; |
| 105 | rec->order = ++enqueue_order_; |
| 106 | rec->start = start; |
| 107 | rec->entry = generator_->NewCodeEntry(tag, name); |
| 108 | rec->size = size; |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 109 | rec->shared = NULL; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 110 | events_buffer_.Enqueue(evt_rec); |
| 111 | } |
| 112 | |
| 113 | |
| 114 | void ProfilerEventsProcessor::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 115 | int args_count, |
| 116 | Address start, |
| 117 | unsigned size) { |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 118 | if (FilterOutCodeCreateEvent(tag)) return; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 119 | CodeEventsContainer evt_rec; |
| 120 | CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; |
| 121 | rec->type = CodeEventRecord::CODE_CREATION; |
| 122 | rec->order = ++enqueue_order_; |
| 123 | rec->start = start; |
| 124 | rec->entry = generator_->NewCodeEntry(tag, args_count); |
| 125 | rec->size = size; |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 126 | rec->shared = NULL; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 127 | events_buffer_.Enqueue(evt_rec); |
| 128 | } |
| 129 | |
| 130 | |
| 131 | void ProfilerEventsProcessor::CodeMoveEvent(Address from, Address to) { |
| 132 | CodeEventsContainer evt_rec; |
| 133 | CodeMoveEventRecord* rec = &evt_rec.CodeMoveEventRecord_; |
| 134 | rec->type = CodeEventRecord::CODE_MOVE; |
| 135 | rec->order = ++enqueue_order_; |
| 136 | rec->from = from; |
| 137 | rec->to = to; |
| 138 | events_buffer_.Enqueue(evt_rec); |
| 139 | } |
| 140 | |
| 141 | |
| 142 | void ProfilerEventsProcessor::CodeDeleteEvent(Address from) { |
| 143 | CodeEventsContainer evt_rec; |
| 144 | CodeDeleteEventRecord* rec = &evt_rec.CodeDeleteEventRecord_; |
| 145 | rec->type = CodeEventRecord::CODE_DELETE; |
| 146 | rec->order = ++enqueue_order_; |
| 147 | rec->start = from; |
| 148 | events_buffer_.Enqueue(evt_rec); |
| 149 | } |
| 150 | |
| 151 | |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 152 | void ProfilerEventsProcessor::SharedFunctionInfoMoveEvent(Address from, |
| 153 | Address to) { |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 154 | CodeEventsContainer evt_rec; |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 155 | SharedFunctionInfoMoveEventRecord* rec = |
| 156 | &evt_rec.SharedFunctionInfoMoveEventRecord_; |
| 157 | rec->type = CodeEventRecord::SHARED_FUNC_MOVE; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 158 | rec->order = ++enqueue_order_; |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 159 | rec->from = from; |
| 160 | rec->to = to; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 161 | events_buffer_.Enqueue(evt_rec); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 162 | } |
| 163 | |
| 164 | |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 165 | void ProfilerEventsProcessor::RegExpCodeCreateEvent( |
| 166 | Logger::LogEventsAndTags tag, |
| 167 | const char* prefix, |
| 168 | String* name, |
| 169 | Address start, |
| 170 | unsigned size) { |
| 171 | if (FilterOutCodeCreateEvent(tag)) return; |
| 172 | CodeEventsContainer evt_rec; |
| 173 | CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; |
| 174 | rec->type = CodeEventRecord::CODE_CREATION; |
| 175 | rec->order = ++enqueue_order_; |
| 176 | rec->start = start; |
| 177 | rec->entry = generator_->NewCodeEntry(tag, prefix, name); |
| 178 | rec->size = size; |
| 179 | events_buffer_.Enqueue(evt_rec); |
| 180 | } |
| 181 | |
| 182 | |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 183 | void ProfilerEventsProcessor::AddCurrentStack() { |
ager@chromium.org | 04921a8 | 2011-06-27 13:21:41 +0000 | [diff] [blame^] | 184 | TickSampleEventRecord record(enqueue_order_); |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 185 | TickSample* sample = &record.sample; |
vegorov@chromium.org | 74f333b | 2011-04-06 11:17:46 +0000 | [diff] [blame] | 186 | Isolate* isolate = Isolate::Current(); |
| 187 | sample->state = isolate->current_vm_state(); |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 188 | sample->pc = reinterpret_cast<Address>(sample); // Not NULL. |
vegorov@chromium.org | 74f333b | 2011-04-06 11:17:46 +0000 | [diff] [blame] | 189 | for (StackTraceFrameIterator it(isolate); |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 190 | !it.done() && sample->frames_count < TickSample::kMaxFramesCount; |
| 191 | it.Advance()) { |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 192 | sample->stack[sample->frames_count++] = it.frame()->pc(); |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 193 | } |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 194 | ticks_from_vm_buffer_.Enqueue(record); |
| 195 | } |
| 196 | |
| 197 | |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 198 | bool ProfilerEventsProcessor::ProcessCodeEvent(unsigned* dequeue_order) { |
| 199 | if (!events_buffer_.IsEmpty()) { |
| 200 | CodeEventsContainer record; |
| 201 | events_buffer_.Dequeue(&record); |
| 202 | switch (record.generic.type) { |
| 203 | #define PROFILER_TYPE_CASE(type, clss) \ |
| 204 | case CodeEventRecord::type: \ |
| 205 | record.clss##_.UpdateCodeMap(generator_->code_map()); \ |
| 206 | break; |
| 207 | |
| 208 | CODE_EVENTS_TYPE_LIST(PROFILER_TYPE_CASE) |
| 209 | |
| 210 | #undef PROFILER_TYPE_CASE |
| 211 | default: return true; // Skip record. |
| 212 | } |
| 213 | *dequeue_order = record.generic.order; |
| 214 | return true; |
| 215 | } |
| 216 | return false; |
| 217 | } |
| 218 | |
| 219 | |
| 220 | bool ProfilerEventsProcessor::ProcessTicks(unsigned dequeue_order) { |
| 221 | while (true) { |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 222 | if (!ticks_from_vm_buffer_.IsEmpty() |
| 223 | && ticks_from_vm_buffer_.Peek()->order == dequeue_order) { |
| 224 | TickSampleEventRecord record; |
| 225 | ticks_from_vm_buffer_.Dequeue(&record); |
| 226 | generator_->RecordTickSample(record.sample); |
| 227 | } |
| 228 | |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 229 | const TickSampleEventRecord* rec = |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 230 | TickSampleEventRecord::cast(ticks_buffer_.StartDequeue()); |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 231 | if (rec == NULL) return !ticks_from_vm_buffer_.IsEmpty(); |
kmillikin@chromium.org | 3cdd9e1 | 2010-09-06 11:39:48 +0000 | [diff] [blame] | 232 | // Make a local copy of tick sample record to ensure that it won't |
| 233 | // be modified as we are processing it. This is possible as the |
| 234 | // sampler writes w/o any sync to the queue, so if the processor |
| 235 | // will get far behind, a record may be modified right under its |
| 236 | // feet. |
| 237 | TickSampleEventRecord record = *rec; |
| 238 | if (record.order == dequeue_order) { |
| 239 | // A paranoid check to make sure that we don't get a memory overrun |
| 240 | // in case of frames_count having a wild value. |
| 241 | if (record.sample.frames_count < 0 |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 242 | || record.sample.frames_count > TickSample::kMaxFramesCount) |
kmillikin@chromium.org | 3cdd9e1 | 2010-09-06 11:39:48 +0000 | [diff] [blame] | 243 | record.sample.frames_count = 0; |
| 244 | generator_->RecordTickSample(record.sample); |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 245 | ticks_buffer_.FinishDequeue(); |
| 246 | } else { |
| 247 | return true; |
| 248 | } |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | |
| 253 | void ProfilerEventsProcessor::Run() { |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 254 | unsigned dequeue_order = 0; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 255 | |
| 256 | while (running_) { |
| 257 | // Process ticks until we have any. |
| 258 | if (ProcessTicks(dequeue_order)) { |
| 259 | // All ticks of the current dequeue_order are processed, |
| 260 | // proceed to the next code event. |
| 261 | ProcessCodeEvent(&dequeue_order); |
| 262 | } |
| 263 | YieldCPU(); |
| 264 | } |
| 265 | |
| 266 | // Process remaining tick events. |
| 267 | ticks_buffer_.FlushResidualRecords(); |
| 268 | // Perform processing until we have tick events, skip remaining code events. |
| 269 | while (ProcessTicks(dequeue_order) && ProcessCodeEvent(&dequeue_order)) { } |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 270 | } |
| 271 | |
| 272 | |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 273 | void CpuProfiler::StartProfiling(const char* title) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 274 | ASSERT(Isolate::Current()->cpu_profiler() != NULL); |
| 275 | Isolate::Current()->cpu_profiler()->StartCollectingProfile(title); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 276 | } |
| 277 | |
| 278 | |
| 279 | void CpuProfiler::StartProfiling(String* title) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 280 | ASSERT(Isolate::Current()->cpu_profiler() != NULL); |
| 281 | Isolate::Current()->cpu_profiler()->StartCollectingProfile(title); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 282 | } |
| 283 | |
| 284 | |
| 285 | CpuProfile* CpuProfiler::StopProfiling(const char* title) { |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 286 | Isolate* isolate = Isolate::Current(); |
| 287 | return is_profiling(isolate) ? |
| 288 | isolate->cpu_profiler()->StopCollectingProfile(title) : NULL; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 289 | } |
| 290 | |
| 291 | |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 292 | CpuProfile* CpuProfiler::StopProfiling(Object* security_token, String* title) { |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 293 | Isolate* isolate = Isolate::Current(); |
| 294 | return is_profiling(isolate) ? |
| 295 | isolate->cpu_profiler()->StopCollectingProfile( |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 296 | security_token, title) : NULL; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 297 | } |
| 298 | |
| 299 | |
| 300 | int CpuProfiler::GetProfilesCount() { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 301 | ASSERT(Isolate::Current()->cpu_profiler() != NULL); |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 302 | // The count of profiles doesn't depend on a security token. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 303 | return Isolate::Current()->cpu_profiler()->profiles_->Profiles( |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 304 | TokenEnumerator::kNoSecurityToken)->length(); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 305 | } |
| 306 | |
| 307 | |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 308 | CpuProfile* CpuProfiler::GetProfile(Object* security_token, int index) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 309 | ASSERT(Isolate::Current()->cpu_profiler() != NULL); |
| 310 | CpuProfiler* profiler = Isolate::Current()->cpu_profiler(); |
| 311 | const int token = profiler->token_enumerator_->GetTokenId(security_token); |
| 312 | return profiler->profiles_->Profiles(token)->at(index); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 313 | } |
| 314 | |
| 315 | |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 316 | CpuProfile* CpuProfiler::FindProfile(Object* security_token, unsigned uid) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 317 | ASSERT(Isolate::Current()->cpu_profiler() != NULL); |
| 318 | CpuProfiler* profiler = Isolate::Current()->cpu_profiler(); |
| 319 | const int token = profiler->token_enumerator_->GetTokenId(security_token); |
| 320 | return profiler->profiles_->GetProfile(token, uid); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 321 | } |
| 322 | |
| 323 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 324 | TickSample* CpuProfiler::TickSampleEvent(Isolate* isolate) { |
| 325 | if (CpuProfiler::is_profiling(isolate)) { |
| 326 | return isolate->cpu_profiler()->processor_->TickSampleEvent(); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 327 | } else { |
| 328 | return NULL; |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 333 | void CpuProfiler::DeleteAllProfiles() { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 334 | Isolate* isolate = Isolate::Current(); |
| 335 | ASSERT(isolate->cpu_profiler() != NULL); |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 336 | if (is_profiling(isolate)) { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 337 | isolate->cpu_profiler()->StopProcessor(); |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 338 | } |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 339 | isolate->cpu_profiler()->ResetProfiles(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 340 | } |
| 341 | |
| 342 | |
| 343 | void CpuProfiler::DeleteProfile(CpuProfile* profile) { |
| 344 | ASSERT(Isolate::Current()->cpu_profiler() != NULL); |
| 345 | Isolate::Current()->cpu_profiler()->profiles_->RemoveProfile(profile); |
| 346 | delete profile; |
| 347 | } |
| 348 | |
| 349 | |
| 350 | bool CpuProfiler::HasDetachedProfiles() { |
| 351 | ASSERT(Isolate::Current()->cpu_profiler() != NULL); |
| 352 | return Isolate::Current()->cpu_profiler()->profiles_->HasDetachedProfiles(); |
| 353 | } |
| 354 | |
| 355 | |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 356 | void CpuProfiler::CallbackEvent(String* name, Address entry_point) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 357 | Isolate::Current()->cpu_profiler()->processor_->CallbackCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 358 | Logger::CALLBACK_TAG, CodeEntry::kEmptyNamePrefix, name, entry_point); |
| 359 | } |
| 360 | |
| 361 | |
| 362 | void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 363 | Code* code, const char* comment) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 364 | Isolate::Current()->cpu_profiler()->processor_->CodeCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 365 | tag, comment, code->address(), code->ExecutableSize()); |
| 366 | } |
| 367 | |
| 368 | |
| 369 | void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 370 | Code* code, String* name) { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 371 | Isolate* isolate = Isolate::Current(); |
| 372 | isolate->cpu_profiler()->processor_->CodeCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 373 | tag, |
| 374 | name, |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 375 | isolate->heap()->empty_string(), |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 376 | v8::CpuProfileNode::kNoLineNumberInfo, |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 377 | code->address(), |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 378 | code->ExecutableSize(), |
| 379 | NULL); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 380 | } |
| 381 | |
| 382 | |
| 383 | void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 384 | Code* code, |
| 385 | SharedFunctionInfo* shared, |
| 386 | String* name) { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 387 | Isolate* isolate = Isolate::Current(); |
| 388 | isolate->cpu_profiler()->processor_->CodeCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 389 | tag, |
| 390 | name, |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 391 | isolate->heap()->empty_string(), |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 392 | v8::CpuProfileNode::kNoLineNumberInfo, |
| 393 | code->address(), |
| 394 | code->ExecutableSize(), |
| 395 | shared->address()); |
| 396 | } |
| 397 | |
| 398 | |
| 399 | void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 400 | Code* code, |
| 401 | SharedFunctionInfo* shared, |
| 402 | String* source, int line) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 403 | Isolate::Current()->cpu_profiler()->processor_->CodeCreateEvent( |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 404 | tag, |
| 405 | shared->DebugName(), |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 406 | source, |
| 407 | line, |
| 408 | code->address(), |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 409 | code->ExecutableSize(), |
| 410 | shared->address()); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 411 | } |
| 412 | |
| 413 | |
| 414 | void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 415 | Code* code, int args_count) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 416 | Isolate::Current()->cpu_profiler()->processor_->CodeCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 417 | tag, |
| 418 | args_count, |
| 419 | code->address(), |
| 420 | code->ExecutableSize()); |
| 421 | } |
| 422 | |
| 423 | |
| 424 | void CpuProfiler::CodeMoveEvent(Address from, Address to) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 425 | Isolate::Current()->cpu_profiler()->processor_->CodeMoveEvent(from, to); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 426 | } |
| 427 | |
| 428 | |
| 429 | void CpuProfiler::CodeDeleteEvent(Address from) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 430 | Isolate::Current()->cpu_profiler()->processor_->CodeDeleteEvent(from); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 431 | } |
| 432 | |
| 433 | |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 434 | void CpuProfiler::SharedFunctionInfoMoveEvent(Address from, Address to) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 435 | CpuProfiler* profiler = Isolate::Current()->cpu_profiler(); |
| 436 | profiler->processor_->SharedFunctionInfoMoveEvent(from, to); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 437 | } |
| 438 | |
| 439 | |
| 440 | void CpuProfiler::GetterCallbackEvent(String* name, Address entry_point) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 441 | Isolate::Current()->cpu_profiler()->processor_->CallbackCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 442 | Logger::CALLBACK_TAG, "get ", name, entry_point); |
| 443 | } |
| 444 | |
| 445 | |
| 446 | void CpuProfiler::RegExpCodeCreateEvent(Code* code, String* source) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 447 | Isolate::Current()->cpu_profiler()->processor_->RegExpCodeCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 448 | Logger::REG_EXP_TAG, |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 449 | "RegExp: ", |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 450 | source, |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 451 | code->address(), |
| 452 | code->ExecutableSize()); |
| 453 | } |
| 454 | |
| 455 | |
| 456 | void CpuProfiler::SetterCallbackEvent(String* name, Address entry_point) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 457 | Isolate::Current()->cpu_profiler()->processor_->CallbackCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 458 | Logger::CALLBACK_TAG, "set ", name, entry_point); |
| 459 | } |
| 460 | |
| 461 | |
| 462 | CpuProfiler::CpuProfiler() |
| 463 | : profiles_(new CpuProfilesCollection()), |
| 464 | next_profile_uid_(1), |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 465 | token_enumerator_(new TokenEnumerator()), |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 466 | generator_(NULL), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 467 | processor_(NULL), |
| 468 | need_to_stop_sampler_(false), |
| 469 | is_profiling_(false) { |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 470 | } |
| 471 | |
| 472 | |
| 473 | CpuProfiler::~CpuProfiler() { |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 474 | delete token_enumerator_; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 475 | delete profiles_; |
| 476 | } |
| 477 | |
| 478 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 479 | void CpuProfiler::ResetProfiles() { |
| 480 | delete profiles_; |
| 481 | profiles_ = new CpuProfilesCollection(); |
| 482 | } |
| 483 | |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 484 | void CpuProfiler::StartCollectingProfile(const char* title) { |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 485 | if (profiles_->StartProfiling(title, next_profile_uid_++)) { |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 486 | StartProcessorIfNotStarted(); |
| 487 | } |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 488 | processor_->AddCurrentStack(); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 489 | } |
| 490 | |
| 491 | |
| 492 | void CpuProfiler::StartCollectingProfile(String* title) { |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 493 | StartCollectingProfile(profiles_->GetName(title)); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 494 | } |
| 495 | |
| 496 | |
| 497 | void CpuProfiler::StartProcessorIfNotStarted() { |
| 498 | if (processor_ == NULL) { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 499 | Isolate* isolate = Isolate::Current(); |
| 500 | |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 501 | // Disable logging when using the new implementation. |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 502 | saved_logging_nesting_ = isolate->logger()->logging_nesting_; |
| 503 | isolate->logger()->logging_nesting_ = 0; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 504 | generator_ = new ProfileGenerator(profiles_); |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 505 | processor_ = new ProfilerEventsProcessor(generator_); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 506 | NoBarrier_Store(&is_profiling_, true); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 507 | processor_->Start(); |
| 508 | // Enumerate stuff we already have in the heap. |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 509 | if (isolate->heap()->HasBeenSetup()) { |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 510 | if (!FLAG_prof_browser_mode) { |
| 511 | bool saved_log_code_flag = FLAG_log_code; |
| 512 | FLAG_log_code = true; |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 513 | isolate->logger()->LogCodeObjects(); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 514 | FLAG_log_code = saved_log_code_flag; |
| 515 | } |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 516 | isolate->logger()->LogCompiledFunctions(); |
| 517 | isolate->logger()->LogAccessorCallbacks(); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 518 | } |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 519 | // Enable stack sampling. |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 520 | Sampler* sampler = reinterpret_cast<Sampler*>(isolate->logger()->ticker_); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 521 | if (!sampler->IsActive()) { |
| 522 | sampler->Start(); |
| 523 | need_to_stop_sampler_ = true; |
| 524 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 525 | sampler->IncreaseProfilingDepth(); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 526 | } |
| 527 | } |
| 528 | |
| 529 | |
| 530 | CpuProfile* CpuProfiler::StopCollectingProfile(const char* title) { |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 531 | const double actual_sampling_rate = generator_->actual_sampling_rate(); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 532 | StopProcessorIfLastProfile(title); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 533 | CpuProfile* result = |
| 534 | profiles_->StopProfiling(TokenEnumerator::kNoSecurityToken, |
| 535 | title, |
| 536 | actual_sampling_rate); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 537 | if (result != NULL) { |
| 538 | result->Print(); |
| 539 | } |
| 540 | return result; |
| 541 | } |
| 542 | |
| 543 | |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 544 | CpuProfile* CpuProfiler::StopCollectingProfile(Object* security_token, |
| 545 | String* title) { |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 546 | const double actual_sampling_rate = generator_->actual_sampling_rate(); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 547 | const char* profile_title = profiles_->GetName(title); |
| 548 | StopProcessorIfLastProfile(profile_title); |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 549 | int token = token_enumerator_->GetTokenId(security_token); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 550 | return profiles_->StopProfiling(token, profile_title, actual_sampling_rate); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 551 | } |
| 552 | |
| 553 | |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 554 | void CpuProfiler::StopProcessorIfLastProfile(const char* title) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 555 | if (profiles_->IsLastProfile(title)) StopProcessor(); |
| 556 | } |
| 557 | |
| 558 | |
| 559 | void CpuProfiler::StopProcessor() { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 560 | Logger* logger = Isolate::Current()->logger(); |
| 561 | Sampler* sampler = reinterpret_cast<Sampler*>(logger->ticker_); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 562 | sampler->DecreaseProfilingDepth(); |
| 563 | if (need_to_stop_sampler_) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 564 | sampler->Stop(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 565 | need_to_stop_sampler_ = false; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 566 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 567 | processor_->Stop(); |
| 568 | processor_->Join(); |
| 569 | delete processor_; |
| 570 | delete generator_; |
| 571 | processor_ = NULL; |
| 572 | NoBarrier_Store(&is_profiling_, false); |
| 573 | generator_ = NULL; |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 574 | logger->logging_nesting_ = saved_logging_nesting_; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 575 | } |
| 576 | |
| 577 | } } // namespace v8::internal |
| 578 | |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 579 | #endif // ENABLE_LOGGING_AND_PROFILING |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 580 | |
| 581 | namespace v8 { |
| 582 | namespace internal { |
| 583 | |
| 584 | void CpuProfiler::Setup() { |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 585 | #ifdef ENABLE_LOGGING_AND_PROFILING |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 586 | Isolate* isolate = Isolate::Current(); |
| 587 | if (isolate->cpu_profiler() == NULL) { |
| 588 | isolate->set_cpu_profiler(new CpuProfiler()); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 589 | } |
| 590 | #endif |
| 591 | } |
| 592 | |
| 593 | |
| 594 | void CpuProfiler::TearDown() { |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 595 | #ifdef ENABLE_LOGGING_AND_PROFILING |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 596 | Isolate* isolate = Isolate::Current(); |
| 597 | if (isolate->cpu_profiler() != NULL) { |
| 598 | delete isolate->cpu_profiler(); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 599 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 600 | isolate->set_cpu_profiler(NULL); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 601 | #endif |
| 602 | } |
| 603 | |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 604 | } } // namespace v8::internal |