1 //po4a: entry man manual
4 :man manual: User Commands
5 :man source: util-linux {release-version}
11 lsclocks - display system clocks
19 *lsclocks* is a simple command to display system clocks.
21 It allows to display information like current time and resolutionof clocks like
22 CLOCK_MONOTONIC, CLOCK_REALTIME and CLOCK_BOOTTIME.
27 Use JSON output format.
29 *-n*, *--noheadings*::
32 *-o*, *--output* _list_::
33 Specify which output columns to print. See the *OUTPUT COLUMNS*
34 section for details of available columns.
40 Use raw output format.
42 *-r*, *--time* _clock_
43 Show current time of one specific clocks.
45 *--no-discover-dynamic*
46 Do not try to discover dynamic clocks.
48 *-d*, *--dynamic-clock* _path_
49 Also display specified dynamic clock.
50 Can be specified multiple times.
53 Do not try to discover RTCs.
56 Also display specified RTC.
57 Can be specified multiple times.
59 *-c*, *--cpu-clock* _pid_
60 Also display CPU clock of specified process.
61 Can be specified multiple times.
63 include::man-common/help-version.adoc[]
67 Each column has a type. Types are surround by < and >.
76 Name in the form *CLOCK_*
79 Shorter, easier to read name.
82 Current clock timestamp as returned by *clock_gettime()*.
84 ISO_TIME <``string``>::
85 ISO8601 formatted version of *TIME*.
87 RESOL_RAW <``number``>::
88 Clock resolution as returned by *clock_getres()*.
91 Human readable version of *RESOL_RAW*.
93 REL_TIME <``string``>::
94 *TIME* time formatted as time range.
96 NS_OFFSET <``number``>::
97 Offset of the current namespace to the parent namespace as read from */proc/self/timens_offsets*.
102 mailto:thomas@t-8ch.de[Thomas Weißschuh]
106 *clock_getres*(2) *clock_gettime*(2)
108 include::man-common/bugreports.adoc[]
110 include::man-common/footer.adoc[]
113 include::man-common/translation.adoc[]