performanceMonitor.h

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/*******************************************************************************
** Copyright (c) 2015 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/

#pragma once
#if 0


#include "vrfutil/vrfutilDefines.h"

#include <string>
#include <map>

#include <tbb/spin_mutex.h>

#ifdef WIN32
#include <BaseTsd.h>
#endif

class DT_DLL_vrfutil DtPerformanceMonitor
{
public:
#ifdef WIN32

   typedef ULONG64 TimeStamp;
   typedef ULONG64 Duration;
#else

   typedef int TimeStamp;
   typedef int Duration;
#endif

   class DT_DLL_vrfutil Context
   {
   public:
      static Context& Root();

      Context& operator[](std::string text);

      void add(Duration time);

   protected:
      typedef tbb::spin_mutex Mutex;
      mutable Mutex myMutex;

      typedef std::map<std::string, Context> Map;
      Map myMap;
   };

   explicit DtPerformanceMonitor(Context&);
   explicit DtPerformanceMonitor(const std::string& label, Context* = 0);

   ~DtPerformanceMonitor();


   void stop();

protected:
   Context& myContext;
   TimeStamp myStartTime;
};

#define DtPERFORMANCE_CONTEXT(text) \
   static DtPerformanceMonitor::Context& thePerfContext \
      = DtPerformanceMonitor::Context::Root()[text]; \
   DtPerformanceMonitor performanceMonitor(thePerfContext);

#endif