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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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_RUNTIME_PROFILER_H_ | 5 #ifndef V8_RUNTIME_PROFILER_H_ |
6 #define V8_RUNTIME_PROFILER_H_ | 6 #define V8_RUNTIME_PROFILER_H_ |
7 | 7 |
8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
11 namespace internal { | 11 namespace internal { |
12 | 12 |
13 class Isolate; | 13 class Isolate; |
14 class JSFunction; | 14 class JSFunction; |
15 class Object; | 15 class Object; |
16 class Semaphore; | 16 class Semaphore; |
17 | 17 |
18 class RuntimeProfiler { | 18 class RuntimeProfiler { |
19 public: | 19 public: |
20 explicit RuntimeProfiler(Isolate* isolate); | 20 explicit RuntimeProfiler(Isolate* isolate); |
21 | 21 |
22 void OptimizeNow(); | 22 void OptimizeNow(); |
23 | 23 |
24 void NotifyICChanged() { any_ic_changed_ = true; } | 24 void NotifyICChanged() { any_ic_changed_ = true; } |
25 | 25 |
26 void AttemptOnStackReplacement(JSFunction* function); | 26 void AttemptOnStackReplacement(JSFunction* function, int nesting_levels = 1); |
27 | 27 |
28 private: | 28 private: |
29 void Optimize(JSFunction* function, const char* reason); | 29 void Optimize(JSFunction* function, const char* reason); |
30 | 30 |
31 bool CodeSizeOKForOSR(Code* shared_code); | 31 bool CodeSizeOKForOSR(Code* shared_code); |
32 | 32 |
33 Isolate* isolate_; | 33 Isolate* isolate_; |
34 | 34 |
35 bool any_ic_changed_; | 35 bool any_ic_changed_; |
36 }; | 36 }; |
37 | 37 |
38 } } // namespace v8::internal | 38 } } // namespace v8::internal |
39 | 39 |
40 #endif // V8_RUNTIME_PROFILER_H_ | 40 #endif // V8_RUNTIME_PROFILER_H_ |
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