etv 137 samples/timers/hpet_example.c struct timeval stv, etv; etv 189 samples/timers/hpet_example.c gettimeofday(&etv, &tz); etv 191 samples/timers/hpet_example.c usec = (etv.tv_sec * 1000000 + etv.tv_usec) - usec;