lsclocks(1) — Linux manual page

LSCLOCKS(1)                   User Commands                  LSCLOCKS(1)

NAME         top

       lsclocks - display system clocks

SYNOPSIS         top

       lsclocks [option]

DESCRIPTION         top

       lsclocks is a simple command to display system clocks.

       It allows to display information like current time and
       resolutionof clocks like CLOCK_MONOTONIC, CLOCK_REALTIME and
       CLOCK_BOOTTIME.

OPTIONS         top

       -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 clocks.

       --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.

       -h, --help
           Display help text and exit.

       -V, --version
           Print version and exit.

OUTPUT COLUMNS         top

       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().

       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         top

       Thomas Weißschuh <thomas@t-8ch.de>

SEE ALSO         top

       clock_getres(2) clock_gettime(2)

REPORTING BUGS         top

       For bug reports, use the issue tracker at
       https://github.com/util-linux/util-linux/issues.

AVAILABILITY         top

       The lsclocks command is part of the util-linux package which can
       be downloaded from Linux Kernel Archive
       <https://www.kernel.org/pub/linux/utils/util-linux/>. This page
       is part of the util-linux (a random collection of Linux
       utilities) project. Information about the project can be found at
       ⟨https://www.kernel.org/pub/linux/utils/util-linux/⟩. If you have
       a bug report for this manual page, send it to
       util-linux@vger.kernel.org. This page was obtained from the
       project's upstream Git repository
       ⟨git://git.kernel.org/pub/scm/utils/util-linux/util-linux.git⟩ on
       2023-12-22. (At that time, the date of the most recent commit
       that was found in the repository was 2023-12-14.) If you discover
       any rendering problems in this HTML version of the page, or you
       believe there is a better or more up-to-date source for the page,
       or you have corrections or improvements to the information in
       this COLOPHON (which is not part of the original manual page),
       send a mail to man-pages@man7.org

util-linux 2.39.594-1e0ad      2023-08-25                    LSCLOCKS(1)

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