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
3// found in the LICENSE file.
4
5#ifndef V8_RUNTIME_PROFILER_H_
6#define V8_RUNTIME_PROFILER_H_
7
8#include "src/allocation.h"
9
10namespace v8 {
11
12namespace base {
13class Semaphore;
14}
15
16namespace internal {
17
18class Isolate;
19class JSFunction;
20class Object;
21
22class RuntimeProfiler {
23 public:
24  explicit RuntimeProfiler(Isolate* isolate);
25
26  void OptimizeNow();
27
28  void NotifyICChanged() { any_ic_changed_ = true; }
29
30  void AttemptOnStackReplacement(JSFunction* function, int nesting_levels = 1);
31
32 private:
33  void Optimize(JSFunction* function, const char* reason);
34
35  bool CodeSizeOKForOSR(Code* shared_code);
36
37  Isolate* isolate_;
38
39  bool any_ic_changed_;
40};
41
42} }  // namespace v8::internal
43
44#endif  // V8_RUNTIME_PROFILER_H_
45