//
// File   : FEReadoutTimeProfile.hh
//
// Purpose: Declaration & implementation of the class FEReadoutTimeProfile
//
// $Id: FEReadoutTimeProfile.hh 12523 2011-06-27 13:10:05Z mathes $
//


/** @file FEReadoutTimeProfile.hh
  * Declaration of the class FEReadoutTimeProfile.
  * @author H.-J. Mathes, Fzk
  */
  
#ifndef _FEReadoutTimeProfile_hh_
#define _FEReadoutTimeProfile_hh_

#include <iostream>

#include <TStopwatch.h>

#include <Singleton.hh>

/** Class which holds several TStopwatch objects (ROOT) to profile the
  * execution time of various readout steps.
  */

class FEReadoutTimeProfile : public FdUtil::Singleton<FEReadoutTimeProfile> {
friend class FdUtil::Singleton<FEReadoutTimeProfile>;

private:
    /** Constructor of the class FEReadoutTimeProfile. */
    FEReadoutTimeProfile();

    /** Destructor of the class FEReadoutTimeProfile.
      *
      * The final results of the profiling are printed to cout.
      */
    ~FEReadoutTimeProfile();

public:

    /** Print the final results of the profiling to the specified stream. */
    void PrintFinalResults(std::ostream& ostr=std::cout);

    /** TStopwatch for 'event delete' part. */
    TStopwatch            fDeleteEvent;
    /** TStopwatch for 'event header readout'. */
    TStopwatch            fEventHeader;
    /** TStopwatch for 'FADC readout'. */
    TStopwatch            fFADCReadout;
    /** TStopwatch for 'monitor data readout'. */
    TStopwatch            fMonitorReadout;
    /** TStopwatch for 'SLT data readout'. */
    TStopwatch            fPixelReadout;
    /** TStopwatch for 'Next Page polling'. */
    TStopwatch            fPollNextPage;
    /** TStopwatch for 'single DAC trace readout'. */
    TStopwatch            fTraceReadout;

private:
    // these ones are not implemented
    FEReadoutTimeProfile(const FEReadoutTimeProfile&);
    FEReadoutTimeProfile& operator=(const FEReadoutTimeProfile&);

    TStopwatch            fTotal;
};

#ifdef MEASURE_TIME
# define MEASURE_TIME_START(_timer_) \
  FEReadoutTimeProfile::GetInstance()._timer_.Start(kFALSE)
# define MEASURE_TIME_STOP(_timer_) \
  FEReadoutTimeProfile::GetInstance()._timer_.Stop()
#else
# define MEASURE_TIME_START(_timer_) {}
# define MEASURE_TIME_STOP(_timer_) {}
#endif // MEASURE_TIME

#endif  // _FEReadoutTimeProfile_hh_