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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_SAMPLER_H_ | 5 #ifndef V8_SAMPLER_H_ |
6 #define V8_SAMPLER_H_ | 6 #define V8_SAMPLER_H_ |
7 | 7 |
8 #include "atomicops.h" | 8 #include "atomicops.h" |
9 #include "frames.h" | 9 #include "frames.h" |
10 #include "v8globals.h" | 10 #include "globals.h" |
11 | 11 |
12 namespace v8 { | 12 namespace v8 { |
13 namespace internal { | 13 namespace internal { |
14 | 14 |
15 class Isolate; | 15 class Isolate; |
16 | 16 |
17 // ---------------------------------------------------------------------------- | 17 // ---------------------------------------------------------------------------- |
18 // Sampler | 18 // Sampler |
19 // | 19 // |
20 // A sampler periodically samples the state of the VM and optionally | 20 // A sampler periodically samples the state of the VM and optionally |
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119 bool is_counting_samples_; | 119 bool is_counting_samples_; |
120 // Counts stack samples taken in JS VM state. | 120 // Counts stack samples taken in JS VM state. |
121 unsigned js_and_external_sample_count_; | 121 unsigned js_and_external_sample_count_; |
122 DISALLOW_IMPLICIT_CONSTRUCTORS(Sampler); | 122 DISALLOW_IMPLICIT_CONSTRUCTORS(Sampler); |
123 }; | 123 }; |
124 | 124 |
125 | 125 |
126 } } // namespace v8::internal | 126 } } // namespace v8::internal |
127 | 127 |
128 #endif // V8_SAMPLER_H_ | 128 #endif // V8_SAMPLER_H_ |
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