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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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 |
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1578 // If profiling, we record the pc and sp of the profiled thread. | 1578 // If profiling, we record the pc and sp of the profiled thread. |
1579 if (sampler_->IsProfiling()) { | 1579 if (sampler_->IsProfiling()) { |
1580 // Pause the profiled thread and get its context. | 1580 // Pause the profiled thread and get its context. |
1581 SuspendThread(profiled_thread_); | 1581 SuspendThread(profiled_thread_); |
1582 context.ContextFlags = CONTEXT_FULL; | 1582 context.ContextFlags = CONTEXT_FULL; |
1583 GetThreadContext(profiled_thread_, &context); | 1583 GetThreadContext(profiled_thread_, &context); |
1584 ResumeThread(profiled_thread_); | 1584 ResumeThread(profiled_thread_); |
1585 // Invoke tick handler with program counter and stack pointer. | 1585 // Invoke tick handler with program counter and stack pointer. |
1586 sample.pc = context.Eip; | 1586 sample.pc = context.Eip; |
1587 sample.sp = context.Esp; | 1587 sample.sp = context.Esp; |
| 1588 sample.fp = context.Ebp; |
1588 } | 1589 } |
1589 | 1590 |
1590 // We always sample the VM state. | 1591 // We always sample the VM state. |
1591 sample.state = Logger::state(); | 1592 sample.state = Logger::state(); |
1592 sampler_->Tick(&sample); | 1593 sampler_->Tick(&sample); |
1593 | 1594 |
1594 // Wait until next sampling. | 1595 // Wait until next sampling. |
1595 Sleep(sampler_->interval_); | 1596 Sleep(sampler_->interval_); |
1596 } | 1597 } |
1597 } | 1598 } |
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1656 | 1657 |
1657 // Release the thread handles | 1658 // Release the thread handles |
1658 CloseHandle(data_->sampler_thread_); | 1659 CloseHandle(data_->sampler_thread_); |
1659 CloseHandle(data_->profiled_thread_); | 1660 CloseHandle(data_->profiled_thread_); |
1660 } | 1661 } |
1661 | 1662 |
1662 | 1663 |
1663 #endif // ENABLE_LOGGING_AND_PROFILING | 1664 #endif // ENABLE_LOGGING_AND_PROFILING |
1664 | 1665 |
1665 } } // namespace v8::internal | 1666 } } // namespace v8::internal |
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