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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 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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184 sample->frames_count = i; | 184 sample->frames_count = i; |
185 } | 185 } |
186 | 186 |
187 | 187 |
188 // | 188 // |
189 // Ticker used to provide ticks to the profiler and the sliding state | 189 // Ticker used to provide ticks to the profiler and the sliding state |
190 // window. | 190 // window. |
191 // | 191 // |
192 class Ticker: public Sampler { | 192 class Ticker: public Sampler { |
193 public: | 193 public: |
194 explicit Ticker(Isolate* isolate, int interval): | 194 Ticker(Isolate* isolate, int interval): |
195 Sampler(isolate, interval), | 195 Sampler(isolate, interval), |
196 window_(NULL), | 196 window_(NULL), |
197 profiler_(NULL) {} | 197 profiler_(NULL) {} |
198 | 198 |
199 ~Ticker() { if (IsActive()) Stop(); } | 199 ~Ticker() { if (IsActive()) Stop(); } |
200 | 200 |
201 virtual void Tick(TickSample* sample) { | 201 virtual void Tick(TickSample* sample) { |
202 if (profiler_) profiler_->Insert(sample); | 202 if (profiler_) profiler_->Insert(sample); |
203 if (window_) window_->AddState(sample->state); | 203 if (window_) window_->AddState(sample->state); |
204 } | 204 } |
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1657 void SamplerRegistry::RemoveActiveSampler(Sampler* sampler) { | 1657 void SamplerRegistry::RemoveActiveSampler(Sampler* sampler) { |
1658 ASSERT(sampler->IsActive()); | 1658 ASSERT(sampler->IsActive()); |
1659 ScopedLock lock(mutex_); | 1659 ScopedLock lock(mutex_); |
1660 ASSERT(active_samplers_ != NULL); | 1660 ASSERT(active_samplers_ != NULL); |
1661 bool removed = active_samplers_->RemoveElement(sampler); | 1661 bool removed = active_samplers_->RemoveElement(sampler); |
1662 ASSERT(removed); | 1662 ASSERT(removed); |
1663 USE(removed); | 1663 USE(removed); |
1664 } | 1664 } |
1665 | 1665 |
1666 } } // namespace v8::internal | 1666 } } // namespace v8::internal |
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