OLD | NEW |
1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
(...skipping 1344 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1355 } | 1355 } |
1356 for (int i = 0; i < sample->frames_count; ++i) { | 1356 for (int i = 0; i < sample->frames_count; ++i) { |
1357 msg.Append(','); | 1357 msg.Append(','); |
1358 msg.AppendAddress(sample->stack[i]); | 1358 msg.AppendAddress(sample->stack[i]); |
1359 } | 1359 } |
1360 msg.Append('\n'); | 1360 msg.Append('\n'); |
1361 msg.WriteToLogFile(); | 1361 msg.WriteToLogFile(); |
1362 } | 1362 } |
1363 | 1363 |
1364 | 1364 |
1365 int Logger::GetActiveProfilerModules() { | 1365 bool Logger::IsProfilerPaused() { |
1366 int result = PROFILER_MODULE_NONE; | 1366 return profiler_ == NULL || profiler_->paused(); |
1367 if (profiler_ != NULL && !profiler_->paused()) { | |
1368 result |= PROFILER_MODULE_CPU; | |
1369 } | |
1370 return result; | |
1371 } | 1367 } |
1372 | 1368 |
1373 | 1369 |
1374 void Logger::PauseProfiler(int flags, int tag) { | 1370 void Logger::PauseProfiler() { |
1375 if (!log_->IsEnabled()) return; | 1371 if (!log_->IsEnabled()) return; |
1376 if (profiler_ != NULL && (flags & PROFILER_MODULE_CPU)) { | 1372 if (profiler_ != NULL) { |
1377 // It is OK to have negative nesting. | 1373 // It is OK to have negative nesting. |
1378 if (--cpu_profiler_nesting_ == 0) { | 1374 if (--cpu_profiler_nesting_ == 0) { |
1379 profiler_->pause(); | 1375 profiler_->pause(); |
1380 if (FLAG_prof_lazy) { | 1376 if (FLAG_prof_lazy) { |
1381 if (!FLAG_sliding_state_window && !RuntimeProfiler::IsEnabled()) { | 1377 if (!FLAG_sliding_state_window && !RuntimeProfiler::IsEnabled()) { |
1382 ticker_->Stop(); | 1378 ticker_->Stop(); |
1383 } | 1379 } |
1384 FLAG_log_code = false; | 1380 FLAG_log_code = false; |
1385 // Must be the same message as Log::kDynamicBufferSeal. | 1381 // Must be the same message as Log::kDynamicBufferSeal. |
1386 LOG(ISOLATE, UncheckedStringEvent("profiler", "pause")); | 1382 LOG(ISOLATE, UncheckedStringEvent("profiler", "pause")); |
1387 } | 1383 } |
1388 --logging_nesting_; | 1384 --logging_nesting_; |
1389 } | 1385 } |
1390 } | 1386 } |
1391 if (tag != 0) { | |
1392 UncheckedIntEvent("close-tag", tag); | |
1393 } | |
1394 } | 1387 } |
1395 | 1388 |
1396 | 1389 |
1397 void Logger::ResumeProfiler(int flags, int tag) { | 1390 void Logger::ResumeProfiler() { |
1398 if (!log_->IsEnabled()) return; | 1391 if (!log_->IsEnabled()) return; |
1399 if (tag != 0) { | 1392 if (profiler_ != NULL) { |
1400 UncheckedIntEvent("open-tag", tag); | |
1401 } | |
1402 if (profiler_ != NULL && (flags & PROFILER_MODULE_CPU)) { | |
1403 if (cpu_profiler_nesting_++ == 0) { | 1393 if (cpu_profiler_nesting_++ == 0) { |
1404 ++logging_nesting_; | 1394 ++logging_nesting_; |
1405 if (FLAG_prof_lazy) { | 1395 if (FLAG_prof_lazy) { |
1406 profiler_->Engage(); | 1396 profiler_->Engage(); |
1407 LOG(ISOLATE, UncheckedStringEvent("profiler", "resume")); | 1397 LOG(ISOLATE, UncheckedStringEvent("profiler", "resume")); |
1408 FLAG_log_code = true; | 1398 FLAG_log_code = true; |
1409 LogCompiledFunctions(); | 1399 LogCompiledFunctions(); |
1410 LogAccessorCallbacks(); | 1400 LogAccessorCallbacks(); |
1411 if (!FLAG_sliding_state_window && !ticker_->IsActive()) { | 1401 if (!FLAG_sliding_state_window && !ticker_->IsActive()) { |
1412 ticker_->Start(); | 1402 ticker_->Start(); |
1413 } | 1403 } |
1414 } | 1404 } |
1415 profiler_->resume(); | 1405 profiler_->resume(); |
1416 } | 1406 } |
1417 } | 1407 } |
1418 } | 1408 } |
1419 | 1409 |
1420 | 1410 |
1421 // This function can be called when Log's mutex is acquired, | 1411 // This function can be called when Log's mutex is acquired, |
1422 // either from main or Profiler's thread. | 1412 // either from main or Profiler's thread. |
1423 void Logger::LogFailure() { | 1413 void Logger::LogFailure() { |
1424 PauseProfiler(PROFILER_MODULE_CPU, 0); | 1414 PauseProfiler(); |
1425 } | 1415 } |
1426 | 1416 |
1427 | 1417 |
1428 bool Logger::IsProfilerSamplerActive() { | 1418 bool Logger::IsProfilerSamplerActive() { |
1429 return ticker_->IsActive(); | 1419 return ticker_->IsActive(); |
1430 } | 1420 } |
1431 | 1421 |
1432 | 1422 |
1433 int Logger::GetLogLines(int from_pos, char* dest_buf, int max_size) { | 1423 int Logger::GetLogLines(int from_pos, char* dest_buf, int max_size) { |
1434 return log_->GetLogLines(from_pos, dest_buf, max_size); | 1424 return log_->GetLogLines(from_pos, dest_buf, max_size); |
(...skipping 461 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1896 void SamplerRegistry::RemoveActiveSampler(Sampler* sampler) { | 1886 void SamplerRegistry::RemoveActiveSampler(Sampler* sampler) { |
1897 ASSERT(sampler->IsActive()); | 1887 ASSERT(sampler->IsActive()); |
1898 ScopedLock lock(mutex_); | 1888 ScopedLock lock(mutex_); |
1899 ASSERT(active_samplers_ != NULL); | 1889 ASSERT(active_samplers_ != NULL); |
1900 bool removed = active_samplers_->RemoveElement(sampler); | 1890 bool removed = active_samplers_->RemoveElement(sampler); |
1901 ASSERT(removed); | 1891 ASSERT(removed); |
1902 USE(removed); | 1892 USE(removed); |
1903 } | 1893 } |
1904 | 1894 |
1905 } } // namespace v8::internal | 1895 } } // namespace v8::internal |
OLD | NEW |