Lines Matching +full:error +full:- +full:correction
4 .\" EDIT THIS FILE WITH CAUTION (ntpd-opts.mdoc)
6 .\" It has been AutoGen-ed May 25, 2024 at 12:03:54 AM by AutoGen 5.18.16
7 .\" From the definitions ntpd-opts.def
8 .\" and the template file agmdoc-cmd.tpl
17 .Op Fl \-option\-name Ns Oo Oo Ns "=| " Oc Ns Ar value Oc
27 Network Time Protocol (NTP) version 4, as defined by RFC\-5905,
29 version 3, as defined by RFC\-1305, and versions 1
30 and 2, as defined by RFC\-1059 and RFC\-1119, respectively.
34 utility does most computations in 64\-bit floating point
35 arithmetic and does relatively clumsy 64\-bit fixed point operations
90 .Bl -tag
91 .It Fl 4 , Fl \-ipv4
98 .It Fl 6 , Fl \-ipv6
105 .It Fl a , Fl \-authreq
113 .It Fl A , Fl \-authnoreq
121 .It Fl b , Fl \-bcastsync
124 .It Fl c Ar string , Fl \-configfile Ns = Ns Ar string
130 .It Fl d , Fl \-debug\-level
134 .It Fl D Ar number , Fl \-set\-debug\-level Ns = Ns Ar number
139 .It Fl f Ar string , Fl \-driftfile Ns = Ns Ar string
150 .It Fl g , Fl \-panicgate
159 \fB\-q\fP
161 \fB\-x\fP
166 .It Fl G , Fl \-force\-step\-once
167 Step any initial offset correction..
173 This option forces the initial offset correction to be stepped,
179 .It Fl i Ar string , Fl \-jaildir Ns = Ns Ar string
187 \fB\-u\fP
192 \fB\-\-enable\-clockctl\fP) or Linux (configure with
193 \fB\-\-enable\-linuxcaps\fP) or Solaris (configure with \fB\-\-enable\-solarisprivs\fP).
194 .It Fl I Ar iface , Fl \-interface Ns = Ns Ar iface
203 .It Fl k Ar string , Fl \-keyfile Ns = Ns Ar string
212 .It Fl l Ar string , Fl \-logfile Ns = Ns Ar string
220 .It Fl L , Fl \-novirtualips
227 .It Fl M , Fl \-modifymmtimer
233 .It Fl n , Fl \-nofork
236 wait\-sync.
238 .It Fl N , Fl \-nice
244 .It Fl p Ar string , Fl \-pidfile Ns = Ns Ar string
253 .It Fl P Ar number , Fl \-priority Ns = Ns Ar number
262 .It Fl q , Fl \-quit
265 saveconfigquit, wait\-sync.
273 \fB\-g\fP
275 \fB\-x\fP
278 .It Fl r Ar string , Fl \-propagationdelay Ns = Ns Ar string
282 .It Fl \-saveconfigquit Ns = Ns Ar string
285 quit, wait\-sync.
290 .It Fl s Ar string , Fl \-statsdir Ns = Ns Ar string
297 .It Fl t Ar tkey , Fl \-trustedkey Ns = Ns Ar tkey
302 .It Fl u Ar string , Fl \-user Ns = Ns Ar string
309 \fB\-\-enable\-clockctl\fP) or Linux (configure with
310 \fB\-\-enable\-linuxcaps\fP) or Solaris (configure with \fB\-\-enable\-solarisprivs\fP).
311 .It Fl U Ar number , Fl \-updateinterval Ns = Ns Ar number
319 .It Fl \-var Ns = Ns Ar nvar
323 .It Fl \-dvar Ns = Ns Ar ndvar
327 .It Fl w Ar number , Fl \-wait\-sync Ns = Ns Ar number
341 .It Fl x , Fl \-slew
349 \fB\-g\fP
351 \fB\-q\fP
357 .It Fl \-usepcc
364 .It Fl \-pccfreq Ns = Ns Ar string
370 .It Fl m , Fl \-mdns
375 .It Fl \&? , Fl \-help
377 .It Fl \&! , Fl \-more\-help
379 .It Fl \-version Op Brq Ar v|c|n
388 \fBNTPD_<option\-name>\fP or \fBNTPD\fP
418 time\-of\-year (TOY) chip to maintain the time during periods when
447 clock has been set an error greater than 1000s will cause
458 the synchronization distance, which is equal to one\-half the
459 roundtrip delay plus error budget terms, can become very large.
468 reduces the false alarm rate where the clock is stepped in error to
478 the error might grow to exceed 128 ms,
494 to 500 parts\-per\-million (PPM) as a consequence of the correctness
507 outside the 128\-ms range and an eventual step or slew time
508 correction is required.
509 If following such a correction the
510 frequency error is so large that the first sample is outside the
564 will effectively "warm\-start" and your system's clock will
585 monotonically\-increasing time,
587 .Xr ntp\-wait 1ntp\-waitmdoc
593 .Xr ntp\-wait 1ntp\-waitmdoc
605 contains the latest estimate of clock frequency error.
611 the particular system clock oscillator time and frequency error.
642 However, it can operate in a one\-time
647 compute server\-client propagation delay correction factors and
682 processing, error checking or mitigation algorithms of
724 stopped and run in one\-time mode as required.
759 However, this assumes the intrinsic clock frequency error
767 error is greater than this, the drift file
770 have to be specially tailored to reduce the residual error below
775 .Ss "The huff\-n'\-puff Filter"
783 step threshold and a step correction can occur during and after the
786 The huff\-n'\-puff filter is designed to correct the apparent time
800 and positive (puff) correction, which depends on the sign of the
812 .Bl -tag -width /etc/ntp.drift -compact
822 .Bl -tag
828 libopts had an internal operational error. Please report
829 it to autogen\-users@lists.sourceforge.net. Thank you.
889 Copyright (C) 1992\-2024 The University of Delaware and Network Time Foundation all rights reserved.
896 larger than might be desirable for an elevated\-priority
907 This manual page was \fIAutoGen\fP\-erated from the \fBntpd\fP