Lines Matching +full:cm +full:- +full:poll +full:- +full:mode
1 /* -*- Mode: Text -*- */
7 prog-name = "ntpd";
8 prog-title = "set clock via Network Time Protocol daemon";
11 #include ntpdbase-opts.def
14 explain = <<- _END_EXPLAIN
17 doc-section = {
18 ds-type = 'DESCRIPTION';
19 ds-format = 'mdoc';
20 ds-text = <<- _END_PROG_MDOC_DESCRIP
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
92 doc-section = {
93 ds-type = 'USAGE';
94 ds-format = 'mdoc';
95 ds-text = <<- _END_MDOC_USAGE
100 one or more configured servers over a range of designated poll intervals.
107 from bursts, the initial poll interval for each server is delayed
109 At the default initial poll
114 .Cm iburst
122 time-of-year (TOY) chip to maintain the time during periods when
162 the synchronization distance, which is equal to one-half the
198 to 500 parts-per-million (PPM) as a consequence of the correctness
211 outside the 128-ms range and an eventual step or slew time
222 normal tracking mode.
225 .Cm time.ien.it
230 .Cm burst
259 .Cm iburst
261 .Cm server
268 will effectively "warm-start" and your system's clock will
286 .Cm dovecot
289 monotonically-increasing time,
291 .Xr ntp-wait 1ntp-waitmdoc
297 .Xr ntp-wait 1ntp-waitmdoc
314 enters a special mode designed to quickly adapt to
320 normal mode, where the time and frequency are continuously tracked
328 frequency is initialized from the file and enters normal mode
346 However, it can operate in a one-time
347 mode where the time is set from an external server and frequency is
351 compute server-client propagation delay correction factors and
359 runs in continuous mode where each of
364 and determines the best poll interval using a heuristic algorithm.
371 unreachable for some time, the poll interval is increased in steps
396 setting the clock is the same as in continuous mode; most
398 .Cm iburst
420 is run in continuous mode with
428 stopped and run in one-time mode as required.
432 .Ss "Poll Interval Control"
440 the consequences of changing the poll adjustment range from the
445 .Cm minpoll
449 .Cm minpoll
452 will not operate properly if the poll interval is less than 64 s
479 .Ss "The huff-n'-puff Filter"
490 The huff-n'-puff filter is designed to correct the apparent time
510 .Cm huffpuff
516 doc-section = {
517 ds-type = 'FILES';
518 ds-format = 'mdoc';
519 ds-text = <<- _END_MDOC_FILES
520 .Bl -tag -width /etc/ntp.drift -compact
531 doc-section = {
532 ds-type = 'SEE ALSO';
533 ds-format = 'mdoc';
534 ds-text = <<- _END_MDOC_SEE_ALSO
592 doc-section = {
593 ds-type = 'BUGS';
594 ds-format = 'mdoc';
595 ds-text = <<- _END_MDOC_BUGS
600 larger than might be desirable for an elevated-priority
609 doc-section = {
610 ds-type = 'NOTES';
611 ds-format = 'mdoc';
612 ds-text = <<- _END_MDOC_NOTES