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//po4a: entry man manual
= lsclocks(1)
:doctype: manpage
:man manual: User Commands
:man source: util-linux {release-version}
:page-layout: base
:command: lsclocks
== NAME
lsclocks - display system clocks
== SYNOPSIS
*lsclocks* [option]
== DESCRIPTION
*lsclocks* is a simple command to display system clocks.
It allows to display information like current time and resolution of clocks like
CLOCK_MONOTONIC, CLOCK_REALTIME and CLOCK_BOOTTIME.
== OPTIONS
*-J*, *--json*::
Use JSON output format.
*-n*, *--noheadings*::
Don't print headings.
*-o*, *--output* _list_::
Specify which output columns to print. See the *OUTPUT COLUMNS*
section for details of available columns.
*--output-all*::
Output all columns.
*-r*, *--raw*::
Use raw output format.
*-r*, *--time* _clock_::
Show current time of one specific clock.
*--no-discover-dynamic*::
Do not try to discover dynamic clocks.
*-d*, *--dynamic-clock* _path_::
Also display specified dynamic clock.
Can be specified multiple times.
*--no-discover-rtc*::
Do not try to discover RTCs.
*-x*, *--rtc* _path_::
Also display specified RTC.
Can be specified multiple times.
*-c*, *--cpu-clock* _pid_::
Also display CPU clock of specified process.
Can be specified multiple times.
include::man-common/help-version.adoc[]
== OUTPUT COLUMNS
Each column has a type. Types are surround by < and >.
TYPE <``string``>::
Clock type.
ID <``number``>::
Numeric clock ID.
CLOCK <``string``>::
Name in the form *CLOCK_*
NAME <``string``>::
Shorter, easier to read name.
TIME <``number``>::
Current clock timestamp as returned by *clock_gettime()*.
ISO_TIME <``string``>::
ISO8601 formatted version of *TIME*.
RESOL_RAW <``number``>::
Clock resolution as returned by *clock_getres*(2).
RESOL <``number``>::
Human readable version of *RESOL_RAW*.
REL_TIME <``string``>::
*TIME* time formatted as time range.
NS_OFFSET <``number``>::
Offset of the current namespace to the parent namespace as read from */proc/self/timens_offsets*.
== AUTHORS
mailto:thomas@t-8ch.de[Thomas Weißschuh]
== SEE ALSO
*clock_getres*(2) *clock_gettime*(2)
include::man-common/bugreports.adoc[]
include::man-common/footer.adoc[]
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include::man-common/translation.adoc[]
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