hlt::CPUTimer Class Reference

#include <TimerService.h>

Public Member Functions
	CPUTimer (bool cpu=true)
double	delta () const
void	reset ()
void	start ()
void	stop ()

Private Attributes
timespec	start_
timespec	stop_
const clockid_t	timer_

Detailed Description

Definition at line 36 of file TimerService.h.

Constructor & Destructor Documentation

hlt::CPUTimer::CPUTimer ( bool  cpu = true )

inlineexplicit

Definition at line 38 of file TimerService.h.

References reset().

                                       :
      timer_( cpu ? CLOCK_THREAD_CPUTIME_ID : CLOCK_REALTIME )
    {
      reset();
    }

Member Function Documentation

double hlt::CPUTimer::delta ( ) const

inline

Definition at line 64 of file TimerService.h.

References start_, and stop_.

Referenced by TimerService::postModule().

                       {
    if (stop_.tv_nsec > start_.tv_nsec)
      return (double) (stop_.tv_sec - start_.tv_sec) + (double) (stop_.tv_nsec - start_.tv_nsec) / (double) 1e9;
    else
      return (double) (stop_.tv_sec - start_.tv_sec) - (double) (start_.tv_nsec - stop_.tv_nsec) / (double) 1e9;
  }

void hlt::CPUTimer::reset ( void  )

inline

Definition at line 44 of file TimerService.h.

References start_, and stop_.

Referenced by CPUTimer(), and TimerService::preModule().

                 {
      start_.tv_sec  = 0;
      start_.tv_nsec = 0;
      stop_.tv_sec   = 0;
      stop_.tv_nsec  = 0;
    }

void hlt::CPUTimer::start ( void  )

inline

Definition at line 51 of file TimerService.h.

References start_, and timer_.

Referenced by progressbar.ProgressBar::__next__(), and TimerService::preModule().

                 {
#ifdef __linux
      clock_gettime(timer_, & start_);
#endif
    }

void hlt::CPUTimer::stop ( )

inline

Definition at line 57 of file TimerService.h.

References stop_, and timer_.

Referenced by TimerService::postModule().

                {
#ifdef __linux
      clock_gettime(timer_, & stop_);
#endif
    }

Member Data Documentation

timespec hlt::CPUTimer::start_

private

Definition at line 73 of file TimerService.h.

Referenced by delta(), reset(), and start().

timespec hlt::CPUTimer::stop_

private

Definition at line 74 of file TimerService.h.

Referenced by delta(), reset(), and stop().

const clockid_t hlt::CPUTimer::timer_

private

Definition at line 72 of file TimerService.h.

Referenced by start(), and stop().