Lines Matching +full:clock +full:- +full:frequency

55 function is used by the NTP daemon to adjust the system clock to an
61 to adjust the phase and frequency of the phase- or frequency-lock loop
62 (PLL resp. FLL) which controls the system clock.
78 .Bd -literal
80 	unsigned int modes;	/* clock mode bits (wo) */
82 	long freq;		/* frequency offset (scaled ppm) (rw) */
85 	int status;		/* clock status bits (rw) */
87 	long precision;		/* clock precision (us) (ro) */
88 	long tolerance;		/* clock frequency tolerance (scaled
91 	 * The following read-only structure members are implemented
95 	long ppsfreq;		/* pps frequency (scaled ppm) (ro) */
109 .Bl -tag -width tolerance -compact
113 call (write-only).
115 .Bl -tag -width MOD_TIMECONST -compact -offset indent
119 set frequency offset
125 set clock status bits
129 set clock A
131 set clock B
135 system time in small increments (read-write).
137 Frequency offset (scaled ppm) (read-write).
143 error bound growth (read-write).
148 but unused by the kernel (read-write).
150 System clock status bits (read-write).
152 .Bl -tag -width STA_PPSJITTER -compact -offset indent
154 Enable PLL updates (read-write).
156 Enable PPS freq discipline (read-write).
158 Enable PPS time discipline (read-write).
160 Select frequency-lock mode (read-write).
162 Insert leap (read-write).
164 Delete leap (read-write).
166 Clock unsynchronized (read-write).
168 Hold frequency (read-write).
170 PPS signal present (read-only).
172 PPS signal jitter exceeded (read-only).
174 PPS signal wander exceeded (read-only).
176 PPS signal calibration error (read-only).
178 Clock hardware fault (read-only).
183 of the PLL (read-write).
185 Clock precision (in microseconds).
188 If a precision clock counter or external time-keeping signal is available,
190 (read-only).
192 Maximum frequency error, or tolerance of the CPU clock oscillator (scaled
195 the influence of external time-keeping signals (read-only).
197 PPS frequency offset produced by the frequency median filter (scaled
198 ppm) (read-only).
201 (read-only).
204 read-only).
207 frequency median filter (read-only).
212 (PPS, read-only).
214 Count of calibration intervals (PPS, read-only).
220 read-only).
223 frequency wander exceeded the limit
225 (PPS, read-only).
237 .Bd -literal
246 .Bl -tag -width tolerance -compact
248 Current time (read-only).
250 Maximum error in microseconds (read-only).
252 Estimated error in microseconds (read-only).
258 return the current state of the clock on success, or any of the errors
270 Possible states of the clock are:
271 .Bl -tag -width TIME_ERROR -compact -offset indent
287 Clock not synchronized.
301 .Bl -tag -width indent
304 .It Pa ftp://time.nist.gov/pub/leap-seconds.list