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 {
11namespace internal {
12
13class Isolate;
14class JSFunction;
15
16class RuntimeProfiler {
17 public:
18  explicit RuntimeProfiler(Isolate* isolate);
19
20  void MarkCandidatesForOptimization();
21
22  void NotifyICChanged() { any_ic_changed_ = true; }
23
24  void AttemptOnStackReplacement(JSFunction* function, int nesting_levels = 1);
25
26 private:
27  void MaybeOptimizeFullCodegen(JSFunction* function, int frame_count,
28                                bool frame_optimized);
29  void MaybeOptimizeIgnition(JSFunction* function);
30  void Optimize(JSFunction* function, const char* reason);
31  void Baseline(JSFunction* function, const char* reason);
32
33  bool CodeSizeOKForOSR(Code* shared_code);
34
35  Isolate* isolate_;
36
37  bool any_ic_changed_;
38};
39
40}  // namespace internal
41}  // namespace v8
42
43#endif  // V8_RUNTIME_PROFILER_H_
44