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