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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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627 reinterpret_cast<Sampler::PlatformData*>(arg); | 627 reinterpret_cast<Sampler::PlatformData*>(arg); |
628 data->Runner(); | 628 data->Runner(); |
629 return 0; | 629 return 0; |
630 } | 630 } |
631 | 631 |
632 | 632 |
633 Sampler::Sampler(int interval, bool profiling) | 633 Sampler::Sampler(int interval, bool profiling) |
634 : interval_(interval), | 634 : interval_(interval), |
635 profiling_(profiling), | 635 profiling_(profiling), |
636 synchronous_(profiling), | 636 synchronous_(profiling), |
637 active_(false) { | 637 active_(false), |
| 638 samples_taken_(0) { |
638 data_ = new PlatformData(this); | 639 data_ = new PlatformData(this); |
639 } | 640 } |
640 | 641 |
641 | 642 |
642 Sampler::~Sampler() { | 643 Sampler::~Sampler() { |
643 delete data_; | 644 delete data_; |
644 } | 645 } |
645 | 646 |
646 | 647 |
647 void Sampler::Start() { | 648 void Sampler::Start() { |
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677 | 678 |
678 // Deallocate Mach port for thread. | 679 // Deallocate Mach port for thread. |
679 if (IsSynchronous()) { | 680 if (IsSynchronous()) { |
680 mach_port_deallocate(data_->task_self_, data_->profiled_thread_); | 681 mach_port_deallocate(data_->task_self_, data_->profiled_thread_); |
681 } | 682 } |
682 } | 683 } |
683 | 684 |
684 #endif // ENABLE_LOGGING_AND_PROFILING | 685 #endif // ENABLE_LOGGING_AND_PROFILING |
685 | 686 |
686 } } // namespace v8::internal | 687 } } // namespace v8::internal |
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