Function FrequencyPPB

clock/clock.go:59–65

FrequencyPPB reads device frequency in PPB

(clockid int32)

// FrequencyPPB reads device frequency in PPB
func FrequencyPPB(clockid int32) (freqPPB float64, state int, err error) {
	tx := &unix.Timex{}
	state, err = unix.ClockAdjtime(clockid, tx)
	// man(2) clock_adjtime
	freqPPB = float64(tx.Freq) / PPBToTimexPPM
	return freqPPB, state, err
}

// AdjFreqPPB adjusts clock frequency in PPB
func AdjFreqPPB(clockid int32, freqPPB float64) (state int, err error) {