PITimeMeasurer Class Reference

Time measurements. More...

Public Member Functions
void	reset ()
	Set internal time mark to current system time. More...
double	elapsed_n ()
	Returns nanoseconds elapsed from last reset() execution or from timer measurer creation.
double	elapsed_u ()
	Returns microseconds elapsed from last reset() execution or from timer measurer creation.
double	elapsed_m ()
	Returns milliseconds elapsed from last reset() execution or from timer measurer creation.
double	elapsed_s ()
	Returns seconds elapsed from last reset() execution or from timer measurer creation.
PISystemTime	elapsed ()
	Returns PISystemTime elapsed from last reset() execution or from timer measurer creation.
PISystemTime	reset_time ()
	Returns time mark of last reset() execution or timer measurer creation.

Static Public Member Functions
static double	elapsed_system_n ()
	Returns nanoseconds representation of current system time.
static double	elapsed_system_u ()
	Returns microseconds representation of current system time.
static double	elapsed_system_m ()
	Returns milliseconds representation of current system time.
static double	elapsed_system_s ()
	Returns seconds representation of current system time.
static PISystemTime	elapsed_system ()
	Returns time mark of current system time.

Detailed Description

Time measurements.

Synopsis

Function reset() set time mark to current system time, then functions double elapsed_*() returns time elapsed from this mark. These functions can returns nano-, micro-, milli- and seconds with suffixes "n", "u", "m" and "s"

Member Function Documentation

void PITimeMeasurer::reset ( )

inline

Set internal time mark to current system time.

This function used for set start time mark. Later you can find out elapsed time from this time mark to any moment of time with elapsed_s(), elapsed_m(), elapsed_u() or elapsed_n() functions.

See also

elapsed_s(), elapsed_m(), elapsed_u(), elapsed_n()