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 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 49 | ProfilerEventsProcessor::ProfilerEventsProcessor(Isolate* isolate, |
| 50 | ProfileGenerator* generator) |
| 51 | : Thread(isolate, "v8:ProfEvntProc"), |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 52 | generator_(generator), |
erik.corry@gmail.com | 145eff5 | 2010-08-23 11:36:18 +0000 | [diff] [blame] | 53 | running_(true), |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 54 | ticks_buffer_(sizeof(TickSampleEventRecord), |
| 55 | kTickSamplesBufferChunkSize, |
| 56 | kTickSamplesBufferChunksCount), |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 57 | enqueue_order_(0) { |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 58 | } |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 59 | |
| 60 | |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 61 | void ProfilerEventsProcessor::CallbackCreateEvent(Logger::LogEventsAndTags tag, |
| 62 | const char* prefix, |
| 63 | String* name, |
| 64 | Address start) { |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 65 | if (FilterOutCodeCreateEvent(tag)) return; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 66 | CodeEventsContainer evt_rec; |
| 67 | CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; |
| 68 | rec->type = CodeEventRecord::CODE_CREATION; |
| 69 | rec->order = ++enqueue_order_; |
| 70 | rec->start = start; |
| 71 | rec->entry = generator_->NewCodeEntry(tag, prefix, name); |
| 72 | rec->size = 1; |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 73 | rec->shared = NULL; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 74 | events_buffer_.Enqueue(evt_rec); |
| 75 | } |
| 76 | |
| 77 | |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 78 | void ProfilerEventsProcessor::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 79 | String* name, |
| 80 | String* resource_name, |
| 81 | int line_number, |
| 82 | Address start, |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 83 | unsigned size, |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 84 | Address shared) { |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 85 | if (FilterOutCodeCreateEvent(tag)) return; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 86 | CodeEventsContainer evt_rec; |
| 87 | CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; |
| 88 | rec->type = CodeEventRecord::CODE_CREATION; |
| 89 | rec->order = ++enqueue_order_; |
| 90 | rec->start = start; |
| 91 | rec->entry = generator_->NewCodeEntry(tag, name, resource_name, line_number); |
| 92 | rec->size = size; |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 93 | rec->shared = shared; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 94 | events_buffer_.Enqueue(evt_rec); |
| 95 | } |
| 96 | |
| 97 | |
| 98 | void ProfilerEventsProcessor::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 99 | const char* name, |
| 100 | Address start, |
| 101 | unsigned size) { |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 102 | if (FilterOutCodeCreateEvent(tag)) return; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 103 | CodeEventsContainer evt_rec; |
| 104 | CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; |
| 105 | rec->type = CodeEventRecord::CODE_CREATION; |
| 106 | rec->order = ++enqueue_order_; |
| 107 | rec->start = start; |
| 108 | rec->entry = generator_->NewCodeEntry(tag, name); |
| 109 | rec->size = size; |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 110 | rec->shared = NULL; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 111 | events_buffer_.Enqueue(evt_rec); |
| 112 | } |
| 113 | |
| 114 | |
| 115 | void ProfilerEventsProcessor::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 116 | int args_count, |
| 117 | Address start, |
| 118 | unsigned size) { |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 119 | if (FilterOutCodeCreateEvent(tag)) return; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 120 | CodeEventsContainer evt_rec; |
| 121 | CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; |
| 122 | rec->type = CodeEventRecord::CODE_CREATION; |
| 123 | rec->order = ++enqueue_order_; |
| 124 | rec->start = start; |
| 125 | rec->entry = generator_->NewCodeEntry(tag, args_count); |
| 126 | rec->size = size; |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 127 | rec->shared = NULL; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 128 | events_buffer_.Enqueue(evt_rec); |
| 129 | } |
| 130 | |
| 131 | |
| 132 | void ProfilerEventsProcessor::CodeMoveEvent(Address from, Address to) { |
| 133 | CodeEventsContainer evt_rec; |
| 134 | CodeMoveEventRecord* rec = &evt_rec.CodeMoveEventRecord_; |
| 135 | rec->type = CodeEventRecord::CODE_MOVE; |
| 136 | rec->order = ++enqueue_order_; |
| 137 | rec->from = from; |
| 138 | rec->to = to; |
| 139 | events_buffer_.Enqueue(evt_rec); |
| 140 | } |
| 141 | |
| 142 | |
| 143 | void ProfilerEventsProcessor::CodeDeleteEvent(Address from) { |
| 144 | CodeEventsContainer evt_rec; |
| 145 | CodeDeleteEventRecord* rec = &evt_rec.CodeDeleteEventRecord_; |
| 146 | rec->type = CodeEventRecord::CODE_DELETE; |
| 147 | rec->order = ++enqueue_order_; |
| 148 | rec->start = from; |
| 149 | events_buffer_.Enqueue(evt_rec); |
| 150 | } |
| 151 | |
| 152 | |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 153 | void ProfilerEventsProcessor::SharedFunctionInfoMoveEvent(Address from, |
| 154 | Address to) { |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 155 | CodeEventsContainer evt_rec; |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 156 | SharedFunctionInfoMoveEventRecord* rec = |
| 157 | &evt_rec.SharedFunctionInfoMoveEventRecord_; |
| 158 | rec->type = CodeEventRecord::SHARED_FUNC_MOVE; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 159 | rec->order = ++enqueue_order_; |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 160 | rec->from = from; |
| 161 | rec->to = to; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 162 | events_buffer_.Enqueue(evt_rec); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 163 | } |
| 164 | |
| 165 | |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 166 | void ProfilerEventsProcessor::RegExpCodeCreateEvent( |
| 167 | Logger::LogEventsAndTags tag, |
| 168 | const char* prefix, |
| 169 | String* name, |
| 170 | Address start, |
| 171 | unsigned size) { |
| 172 | if (FilterOutCodeCreateEvent(tag)) return; |
| 173 | CodeEventsContainer evt_rec; |
| 174 | CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; |
| 175 | rec->type = CodeEventRecord::CODE_CREATION; |
| 176 | rec->order = ++enqueue_order_; |
| 177 | rec->start = start; |
| 178 | rec->entry = generator_->NewCodeEntry(tag, prefix, name); |
| 179 | rec->size = size; |
| 180 | events_buffer_.Enqueue(evt_rec); |
| 181 | } |
| 182 | |
| 183 | |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 184 | void ProfilerEventsProcessor::AddCurrentStack() { |
| 185 | TickSampleEventRecord record; |
| 186 | TickSample* sample = &record.sample; |
vegorov@chromium.org | 74f333b | 2011-04-06 11:17:46 +0000 | [diff] [blame] | 187 | Isolate* isolate = Isolate::Current(); |
| 188 | sample->state = isolate->current_vm_state(); |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 189 | sample->pc = reinterpret_cast<Address>(sample); // Not NULL. |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 190 | sample->tos = NULL; |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 191 | sample->has_external_callback = false; |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 192 | sample->frames_count = 0; |
vegorov@chromium.org | 74f333b | 2011-04-06 11:17:46 +0000 | [diff] [blame] | 193 | for (StackTraceFrameIterator it(isolate); |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 194 | !it.done() && sample->frames_count < TickSample::kMaxFramesCount; |
| 195 | it.Advance()) { |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 196 | sample->stack[sample->frames_count++] = it.frame()->pc(); |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 197 | } |
| 198 | record.order = enqueue_order_; |
| 199 | ticks_from_vm_buffer_.Enqueue(record); |
| 200 | } |
| 201 | |
| 202 | |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 203 | bool ProfilerEventsProcessor::ProcessCodeEvent(unsigned* dequeue_order) { |
| 204 | if (!events_buffer_.IsEmpty()) { |
| 205 | CodeEventsContainer record; |
| 206 | events_buffer_.Dequeue(&record); |
| 207 | switch (record.generic.type) { |
| 208 | #define PROFILER_TYPE_CASE(type, clss) \ |
| 209 | case CodeEventRecord::type: \ |
| 210 | record.clss##_.UpdateCodeMap(generator_->code_map()); \ |
| 211 | break; |
| 212 | |
| 213 | CODE_EVENTS_TYPE_LIST(PROFILER_TYPE_CASE) |
| 214 | |
| 215 | #undef PROFILER_TYPE_CASE |
| 216 | default: return true; // Skip record. |
| 217 | } |
| 218 | *dequeue_order = record.generic.order; |
| 219 | return true; |
| 220 | } |
| 221 | return false; |
| 222 | } |
| 223 | |
| 224 | |
| 225 | bool ProfilerEventsProcessor::ProcessTicks(unsigned dequeue_order) { |
| 226 | while (true) { |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 227 | if (!ticks_from_vm_buffer_.IsEmpty() |
| 228 | && ticks_from_vm_buffer_.Peek()->order == dequeue_order) { |
| 229 | TickSampleEventRecord record; |
| 230 | ticks_from_vm_buffer_.Dequeue(&record); |
| 231 | generator_->RecordTickSample(record.sample); |
| 232 | } |
| 233 | |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 234 | const TickSampleEventRecord* rec = |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 235 | TickSampleEventRecord::cast(ticks_buffer_.StartDequeue()); |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 236 | if (rec == NULL) return !ticks_from_vm_buffer_.IsEmpty(); |
kmillikin@chromium.org | 3cdd9e1 | 2010-09-06 11:39:48 +0000 | [diff] [blame] | 237 | // Make a local copy of tick sample record to ensure that it won't |
| 238 | // be modified as we are processing it. This is possible as the |
| 239 | // sampler writes w/o any sync to the queue, so if the processor |
| 240 | // will get far behind, a record may be modified right under its |
| 241 | // feet. |
| 242 | TickSampleEventRecord record = *rec; |
| 243 | if (record.order == dequeue_order) { |
| 244 | // A paranoid check to make sure that we don't get a memory overrun |
| 245 | // in case of frames_count having a wild value. |
| 246 | if (record.sample.frames_count < 0 |
| 247 | || record.sample.frames_count >= TickSample::kMaxFramesCount) |
| 248 | record.sample.frames_count = 0; |
| 249 | generator_->RecordTickSample(record.sample); |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 250 | ticks_buffer_.FinishDequeue(); |
| 251 | } else { |
| 252 | return true; |
| 253 | } |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | |
| 258 | void ProfilerEventsProcessor::Run() { |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 259 | unsigned dequeue_order = 0; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 260 | |
| 261 | while (running_) { |
| 262 | // Process ticks until we have any. |
| 263 | if (ProcessTicks(dequeue_order)) { |
| 264 | // All ticks of the current dequeue_order are processed, |
| 265 | // proceed to the next code event. |
| 266 | ProcessCodeEvent(&dequeue_order); |
| 267 | } |
| 268 | YieldCPU(); |
| 269 | } |
| 270 | |
| 271 | // Process remaining tick events. |
| 272 | ticks_buffer_.FlushResidualRecords(); |
| 273 | // Perform processing until we have tick events, skip remaining code events. |
| 274 | while (ProcessTicks(dequeue_order) && ProcessCodeEvent(&dequeue_order)) { } |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 275 | } |
| 276 | |
| 277 | |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 278 | void CpuProfiler::StartProfiling(const char* title) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 279 | ASSERT(Isolate::Current()->cpu_profiler() != NULL); |
| 280 | Isolate::Current()->cpu_profiler()->StartCollectingProfile(title); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 281 | } |
| 282 | |
| 283 | |
| 284 | void CpuProfiler::StartProfiling(String* title) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 285 | ASSERT(Isolate::Current()->cpu_profiler() != NULL); |
| 286 | Isolate::Current()->cpu_profiler()->StartCollectingProfile(title); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 287 | } |
| 288 | |
| 289 | |
| 290 | CpuProfile* CpuProfiler::StopProfiling(const char* title) { |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame^] | 291 | Isolate* isolate = Isolate::Current(); |
| 292 | return is_profiling(isolate) ? |
| 293 | isolate->cpu_profiler()->StopCollectingProfile(title) : NULL; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 294 | } |
| 295 | |
| 296 | |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 297 | CpuProfile* CpuProfiler::StopProfiling(Object* security_token, String* title) { |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame^] | 298 | Isolate* isolate = Isolate::Current(); |
| 299 | return is_profiling(isolate) ? |
| 300 | isolate->cpu_profiler()->StopCollectingProfile( |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 301 | security_token, title) : NULL; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 302 | } |
| 303 | |
| 304 | |
| 305 | int CpuProfiler::GetProfilesCount() { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 306 | ASSERT(Isolate::Current()->cpu_profiler() != NULL); |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 307 | // The count of profiles doesn't depend on a security token. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 308 | return Isolate::Current()->cpu_profiler()->profiles_->Profiles( |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 309 | TokenEnumerator::kNoSecurityToken)->length(); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 310 | } |
| 311 | |
| 312 | |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 313 | CpuProfile* CpuProfiler::GetProfile(Object* security_token, int index) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 314 | ASSERT(Isolate::Current()->cpu_profiler() != NULL); |
| 315 | CpuProfiler* profiler = Isolate::Current()->cpu_profiler(); |
| 316 | const int token = profiler->token_enumerator_->GetTokenId(security_token); |
| 317 | return profiler->profiles_->Profiles(token)->at(index); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 318 | } |
| 319 | |
| 320 | |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 321 | CpuProfile* CpuProfiler::FindProfile(Object* security_token, unsigned uid) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 322 | ASSERT(Isolate::Current()->cpu_profiler() != NULL); |
| 323 | CpuProfiler* profiler = Isolate::Current()->cpu_profiler(); |
| 324 | const int token = profiler->token_enumerator_->GetTokenId(security_token); |
| 325 | return profiler->profiles_->GetProfile(token, uid); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 326 | } |
| 327 | |
| 328 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 329 | TickSample* CpuProfiler::TickSampleEvent(Isolate* isolate) { |
| 330 | if (CpuProfiler::is_profiling(isolate)) { |
| 331 | return isolate->cpu_profiler()->processor_->TickSampleEvent(); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 332 | } else { |
| 333 | return NULL; |
| 334 | } |
| 335 | } |
| 336 | |
| 337 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 338 | void CpuProfiler::DeleteAllProfiles() { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 339 | Isolate* isolate = Isolate::Current(); |
| 340 | ASSERT(isolate->cpu_profiler() != NULL); |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame^] | 341 | if (is_profiling(isolate)) { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 342 | isolate->cpu_profiler()->StopProcessor(); |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame^] | 343 | } |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 344 | isolate->cpu_profiler()->ResetProfiles(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 345 | } |
| 346 | |
| 347 | |
| 348 | void CpuProfiler::DeleteProfile(CpuProfile* profile) { |
| 349 | ASSERT(Isolate::Current()->cpu_profiler() != NULL); |
| 350 | Isolate::Current()->cpu_profiler()->profiles_->RemoveProfile(profile); |
| 351 | delete profile; |
| 352 | } |
| 353 | |
| 354 | |
| 355 | bool CpuProfiler::HasDetachedProfiles() { |
| 356 | ASSERT(Isolate::Current()->cpu_profiler() != NULL); |
| 357 | return Isolate::Current()->cpu_profiler()->profiles_->HasDetachedProfiles(); |
| 358 | } |
| 359 | |
| 360 | |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 361 | void CpuProfiler::CallbackEvent(String* name, Address entry_point) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 362 | Isolate::Current()->cpu_profiler()->processor_->CallbackCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 363 | Logger::CALLBACK_TAG, CodeEntry::kEmptyNamePrefix, name, entry_point); |
| 364 | } |
| 365 | |
| 366 | |
| 367 | void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 368 | Code* code, const char* comment) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 369 | Isolate::Current()->cpu_profiler()->processor_->CodeCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 370 | tag, comment, code->address(), code->ExecutableSize()); |
| 371 | } |
| 372 | |
| 373 | |
| 374 | void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 375 | Code* code, String* name) { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 376 | Isolate* isolate = Isolate::Current(); |
| 377 | isolate->cpu_profiler()->processor_->CodeCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 378 | tag, |
| 379 | name, |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 380 | isolate->heap()->empty_string(), |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 381 | v8::CpuProfileNode::kNoLineNumberInfo, |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 382 | code->address(), |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 383 | code->ExecutableSize(), |
| 384 | NULL); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 385 | } |
| 386 | |
| 387 | |
| 388 | void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 389 | Code* code, |
| 390 | SharedFunctionInfo* shared, |
| 391 | String* name) { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 392 | Isolate* isolate = Isolate::Current(); |
| 393 | isolate->cpu_profiler()->processor_->CodeCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 394 | tag, |
| 395 | name, |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 396 | isolate->heap()->empty_string(), |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 397 | v8::CpuProfileNode::kNoLineNumberInfo, |
| 398 | code->address(), |
| 399 | code->ExecutableSize(), |
| 400 | shared->address()); |
| 401 | } |
| 402 | |
| 403 | |
| 404 | void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 405 | Code* code, |
| 406 | SharedFunctionInfo* shared, |
| 407 | String* source, int line) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 408 | Isolate::Current()->cpu_profiler()->processor_->CodeCreateEvent( |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 409 | tag, |
| 410 | shared->DebugName(), |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 411 | source, |
| 412 | line, |
| 413 | code->address(), |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 414 | code->ExecutableSize(), |
| 415 | shared->address()); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 416 | } |
| 417 | |
| 418 | |
| 419 | void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 420 | Code* code, int args_count) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 421 | Isolate::Current()->cpu_profiler()->processor_->CodeCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 422 | tag, |
| 423 | args_count, |
| 424 | code->address(), |
| 425 | code->ExecutableSize()); |
| 426 | } |
| 427 | |
| 428 | |
| 429 | void CpuProfiler::CodeMoveEvent(Address from, Address to) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 430 | Isolate::Current()->cpu_profiler()->processor_->CodeMoveEvent(from, to); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 431 | } |
| 432 | |
| 433 | |
| 434 | void CpuProfiler::CodeDeleteEvent(Address from) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 435 | Isolate::Current()->cpu_profiler()->processor_->CodeDeleteEvent(from); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 436 | } |
| 437 | |
| 438 | |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 439 | void CpuProfiler::SharedFunctionInfoMoveEvent(Address from, Address to) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 440 | CpuProfiler* profiler = Isolate::Current()->cpu_profiler(); |
| 441 | profiler->processor_->SharedFunctionInfoMoveEvent(from, to); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 442 | } |
| 443 | |
| 444 | |
| 445 | void CpuProfiler::GetterCallbackEvent(String* name, Address entry_point) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 446 | Isolate::Current()->cpu_profiler()->processor_->CallbackCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 447 | Logger::CALLBACK_TAG, "get ", name, entry_point); |
| 448 | } |
| 449 | |
| 450 | |
| 451 | void CpuProfiler::RegExpCodeCreateEvent(Code* code, String* source) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 452 | Isolate::Current()->cpu_profiler()->processor_->RegExpCodeCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 453 | Logger::REG_EXP_TAG, |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 454 | "RegExp: ", |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 455 | source, |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 456 | code->address(), |
| 457 | code->ExecutableSize()); |
| 458 | } |
| 459 | |
| 460 | |
| 461 | void CpuProfiler::SetterCallbackEvent(String* name, Address entry_point) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 462 | Isolate::Current()->cpu_profiler()->processor_->CallbackCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 463 | Logger::CALLBACK_TAG, "set ", name, entry_point); |
| 464 | } |
| 465 | |
| 466 | |
| 467 | CpuProfiler::CpuProfiler() |
| 468 | : profiles_(new CpuProfilesCollection()), |
| 469 | next_profile_uid_(1), |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 470 | token_enumerator_(new TokenEnumerator()), |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 471 | generator_(NULL), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 472 | processor_(NULL), |
| 473 | need_to_stop_sampler_(false), |
| 474 | is_profiling_(false) { |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 475 | } |
| 476 | |
| 477 | |
| 478 | CpuProfiler::~CpuProfiler() { |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 479 | delete token_enumerator_; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 480 | delete profiles_; |
| 481 | } |
| 482 | |
| 483 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 484 | void CpuProfiler::ResetProfiles() { |
| 485 | delete profiles_; |
| 486 | profiles_ = new CpuProfilesCollection(); |
| 487 | } |
| 488 | |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 489 | void CpuProfiler::StartCollectingProfile(const char* title) { |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 490 | if (profiles_->StartProfiling(title, next_profile_uid_++)) { |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 491 | StartProcessorIfNotStarted(); |
| 492 | } |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 493 | processor_->AddCurrentStack(); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 494 | } |
| 495 | |
| 496 | |
| 497 | void CpuProfiler::StartCollectingProfile(String* title) { |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 498 | StartCollectingProfile(profiles_->GetName(title)); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 499 | } |
| 500 | |
| 501 | |
| 502 | void CpuProfiler::StartProcessorIfNotStarted() { |
| 503 | if (processor_ == NULL) { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 504 | Isolate* isolate = Isolate::Current(); |
| 505 | |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 506 | // Disable logging when using the new implementation. |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 507 | saved_logging_nesting_ = isolate->logger()->logging_nesting_; |
| 508 | isolate->logger()->logging_nesting_ = 0; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 509 | generator_ = new ProfileGenerator(profiles_); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 510 | processor_ = new ProfilerEventsProcessor(isolate, generator_); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 511 | NoBarrier_Store(&is_profiling_, true); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 512 | processor_->Start(); |
| 513 | // Enumerate stuff we already have in the heap. |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 514 | if (isolate->heap()->HasBeenSetup()) { |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 515 | if (!FLAG_prof_browser_mode) { |
| 516 | bool saved_log_code_flag = FLAG_log_code; |
| 517 | FLAG_log_code = true; |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 518 | isolate->logger()->LogCodeObjects(); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 519 | FLAG_log_code = saved_log_code_flag; |
| 520 | } |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 521 | isolate->logger()->LogCompiledFunctions(); |
| 522 | isolate->logger()->LogAccessorCallbacks(); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 523 | } |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 524 | // Enable stack sampling. |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 525 | Sampler* sampler = reinterpret_cast<Sampler*>(isolate->logger()->ticker_); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 526 | if (!sampler->IsActive()) { |
| 527 | sampler->Start(); |
| 528 | need_to_stop_sampler_ = true; |
| 529 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 530 | sampler->IncreaseProfilingDepth(); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 531 | } |
| 532 | } |
| 533 | |
| 534 | |
| 535 | CpuProfile* CpuProfiler::StopCollectingProfile(const char* title) { |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 536 | const double actual_sampling_rate = generator_->actual_sampling_rate(); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 537 | StopProcessorIfLastProfile(title); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 538 | CpuProfile* result = |
| 539 | profiles_->StopProfiling(TokenEnumerator::kNoSecurityToken, |
| 540 | title, |
| 541 | actual_sampling_rate); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 542 | if (result != NULL) { |
| 543 | result->Print(); |
| 544 | } |
| 545 | return result; |
| 546 | } |
| 547 | |
| 548 | |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 549 | CpuProfile* CpuProfiler::StopCollectingProfile(Object* security_token, |
| 550 | String* title) { |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 551 | const double actual_sampling_rate = generator_->actual_sampling_rate(); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 552 | const char* profile_title = profiles_->GetName(title); |
| 553 | StopProcessorIfLastProfile(profile_title); |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 554 | int token = token_enumerator_->GetTokenId(security_token); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 555 | return profiles_->StopProfiling(token, profile_title, actual_sampling_rate); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 556 | } |
| 557 | |
| 558 | |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 559 | void CpuProfiler::StopProcessorIfLastProfile(const char* title) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 560 | if (profiles_->IsLastProfile(title)) StopProcessor(); |
| 561 | } |
| 562 | |
| 563 | |
| 564 | void CpuProfiler::StopProcessor() { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 565 | Logger* logger = Isolate::Current()->logger(); |
| 566 | Sampler* sampler = reinterpret_cast<Sampler*>(logger->ticker_); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 567 | sampler->DecreaseProfilingDepth(); |
| 568 | if (need_to_stop_sampler_) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 569 | sampler->Stop(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 570 | need_to_stop_sampler_ = false; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 571 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 572 | processor_->Stop(); |
| 573 | processor_->Join(); |
| 574 | delete processor_; |
| 575 | delete generator_; |
| 576 | processor_ = NULL; |
| 577 | NoBarrier_Store(&is_profiling_, false); |
| 578 | generator_ = NULL; |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 579 | logger->logging_nesting_ = saved_logging_nesting_; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 580 | } |
| 581 | |
| 582 | } } // namespace v8::internal |
| 583 | |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 584 | #endif // ENABLE_LOGGING_AND_PROFILING |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 585 | |
| 586 | namespace v8 { |
| 587 | namespace internal { |
| 588 | |
| 589 | void CpuProfiler::Setup() { |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 590 | #ifdef ENABLE_LOGGING_AND_PROFILING |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 591 | Isolate* isolate = Isolate::Current(); |
| 592 | if (isolate->cpu_profiler() == NULL) { |
| 593 | isolate->set_cpu_profiler(new CpuProfiler()); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 594 | } |
| 595 | #endif |
| 596 | } |
| 597 | |
| 598 | |
| 599 | void CpuProfiler::TearDown() { |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 600 | #ifdef ENABLE_LOGGING_AND_PROFILING |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 601 | Isolate* isolate = Isolate::Current(); |
| 602 | if (isolate->cpu_profiler() != NULL) { |
| 603 | delete isolate->cpu_profiler(); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 604 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 605 | isolate->set_cpu_profiler(NULL); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 606 | #endif |
| 607 | } |
| 608 | |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 609 | } } // namespace v8::internal |