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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef VM_PROFILER_H_ | 5 #ifndef VM_PROFILER_H_ |
6 #define VM_PROFILER_H_ | 6 #define VM_PROFILER_H_ |
7 | 7 |
8 #include "vm/allocation.h" | 8 #include "vm/allocation.h" |
9 #include "vm/code_observers.h" | 9 #include "vm/code_observers.h" |
10 #include "vm/globals.h" | 10 #include "vm/globals.h" |
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142 } | 142 } |
143 | 143 |
144 uword vm_tag() const { | 144 uword vm_tag() const { |
145 return vm_tag_; | 145 return vm_tag_; |
146 } | 146 } |
147 void set_vm_tag(uword tag) { | 147 void set_vm_tag(uword tag) { |
148 ASSERT(tag != VMTag::kInvalidTagId); | 148 ASSERT(tag != VMTag::kInvalidTagId); |
149 vm_tag_ = tag; | 149 vm_tag_ = tag; |
150 } | 150 } |
151 | 151 |
| 152 uword user_tag() const { |
| 153 return user_tag_; |
| 154 } |
| 155 void set_user_tag(uword tag) { |
| 156 user_tag_ = tag; |
| 157 } |
| 158 |
152 private: | 159 private: |
153 int64_t timestamp_; | 160 int64_t timestamp_; |
154 ThreadId tid_; | 161 ThreadId tid_; |
155 Isolate* isolate_; | 162 Isolate* isolate_; |
156 uword vm_tag_; | 163 uword vm_tag_; |
| 164 uword user_tag_; |
157 uword pcs_[kSampleFramesSize]; | 165 uword pcs_[kSampleFramesSize]; |
158 }; | 166 }; |
159 | 167 |
160 | 168 |
161 // Ring buffer of Samples that is (usually) shared by many isolates. | 169 // Ring buffer of Samples that is (usually) shared by many isolates. |
162 class SampleBuffer { | 170 class SampleBuffer { |
163 public: | 171 public: |
164 static const intptr_t kDefaultBufferCapacity = 120000; // 2 minutes @ 1000hz. | 172 static const intptr_t kDefaultBufferCapacity = 120000; // 2 minutes @ 1000hz. |
165 | 173 |
166 explicit SampleBuffer(intptr_t capacity = kDefaultBufferCapacity) { | 174 explicit SampleBuffer(intptr_t capacity = kDefaultBufferCapacity) { |
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217 intptr_t capacity_; | 225 intptr_t capacity_; |
218 uintptr_t cursor_; | 226 uintptr_t cursor_; |
219 | 227 |
220 DISALLOW_COPY_AND_ASSIGN(SampleBuffer); | 228 DISALLOW_COPY_AND_ASSIGN(SampleBuffer); |
221 }; | 229 }; |
222 | 230 |
223 | 231 |
224 } // namespace dart | 232 } // namespace dart |
225 | 233 |
226 #endif // VM_PROFILER_H_ | 234 #endif // VM_PROFILER_H_ |
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