runtime-profiler.h

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// Copyright 2012 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef V8_RUNTIME_PROFILER_H_
#define V8_RUNTIME_PROFILER_H_
 
#include "src/allocation.h"
 
namespace v8 {
 
namespace base {
class Semaphore;
}
 
namespace internal {
 
class Isolate;
class JSFunction;
class Object;
 
class RuntimeProfiler {
 public:
  explicit RuntimeProfiler(Isolate* isolate);
 
  void OptimizeNow();
 
  void NotifyICChanged() { any_ic_changed_ = true; }
 
  void AttemptOnStackReplacement(JSFunction* function, int nesting_levels = 1);
 
 private:
  void Optimize(JSFunction* function, const char* reason);
 
  bool CodeSizeOKForOSR(Code* shared_code);
 
  Isolate* isolate_;
 
  bool any_ic_changed_;
};
 
} }  // namespace v8::internal
 
#endif  // V8_RUNTIME_PROFILER_H_