Profiler.h

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  Profiler.h
 
  Created by Michael Chinen (mchinen) on 8/12/08
  Audacity(R) is copyright (c) 1999-2008 Audacity Team.
  License: GPL v2 or later.  See License.txt.
 
******************************************************************//*******************************************************************/
 
 
 
 
 
#ifndef __AUDACITY_PROFILER__
#define __AUDACITY_PROFILER__
#include <mutex>
#include <vector>
#include <time.h>
#include "MemoryX.h"
 
 
#define BEGIN_TASK_PROFILING(TASK_DESCRIPTION) Profiler::Instance()->Begin(__FILE__,__LINE__,TASK_DESCRIPTION)
#define END_TASK_PROFILING(TASK_DESCRIPTION) Profiler::Instance()->End(__FILE__,__LINE__,TASK_DESCRIPTION)
 
class TaskProfile;
class Profiler
{
 public:
 
   virtual ~Profiler();
 
   void Begin(const char* fileName, int lineNum, const char* taskDescription);
   void End(const char* fileName, int lineNum, const char* taskDescription);
 
   static Profiler* Instance();
 
  protected:
   Profiler(){};
 
   TaskProfile* GetOrCreateTaskProfile(const char* fileName, int lineNum);
   TaskProfile* GetTaskProfileByDescription(const char* description);
 
   //List of current Task to do.
   std::vector<std::unique_ptr<TaskProfile>> mTasks;
   //mutex for above variable
   std::mutex mTasksMutex;
 
};
 
 class TaskProfile
   {
   public:
      TaskProfile();
      virtual ~TaskProfile();
 
      void Begin(const char* fileName, int lineNum, const char* taskDescription);
      void End(const char* fileName, int lineNum, const char* taskDescription);
 
      double ComputeAverageRunTime();
 
      ArrayOf<char> mFileName;
      int mLine;
      ArrayOf<char> mDescription;
      int mNumHits;
      clock_t mCumTime;
      clock_t mLastTime;
   };
 
 
#endif