177 lines
No EOL
3.3 KiB
Groff
177 lines
No EOL
3.3 KiB
Groff
'\" t
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.\" Title: lsclocks
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.\" Author: [see the "AUTHOR(S)" section]
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.\" Generator: Asciidoctor 2.0.20
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.\" Date: 2025-02-26
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.\" Manual: User Commands
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.\" Source: util-linux 2.41
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.\" Language: English
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.\"
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.TH "LSCLOCKS" "1" "2025-02-26" "util\-linux 2.41" "User Commands"
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.ie \n(.g .ds Aq \(aq
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.el .ds Aq '
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.ss \n[.ss] 0
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.nh
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.ad l
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.de URL
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\fI\\$2\fP <\\$1>\\$3
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..
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.als MTO URL
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.if \n[.g] \{\
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. mso www.tmac
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. am URL
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. ad l
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. .
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. am MTO
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. ad l
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. .
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. LINKSTYLE blue R < >
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.\}
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.SH "NAME"
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lsclocks \- display system clocks
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.SH "SYNOPSIS"
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.sp
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\fBlsclocks\fP [option]
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.SH "DESCRIPTION"
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.sp
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\fBlsclocks\fP is a simple command to display system clocks.
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.sp
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It allows to display information like current time and resolution of clocks like
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CLOCK_MONOTONIC, CLOCK_REALTIME and CLOCK_BOOTTIME.
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.SH "OPTIONS"
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.sp
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\fB\-J\fP, \fB\-\-json\fP
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.RS 4
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Use JSON output format.
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.RE
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.sp
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\fB\-n\fP, \fB\-\-noheadings\fP
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.RS 4
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Don\(cqt print headings.
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.RE
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.sp
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\fB\-o\fP, \fB\-\-output\fP \fIlist\fP
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.RS 4
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Specify which output columns to print. See the \fBOUTPUT COLUMNS\fP
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section for details of available columns.
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.RE
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.sp
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\fB\-\-output\-all\fP
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.RS 4
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Output all columns.
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.RE
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.sp
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\fB\-r\fP, \fB\-\-raw\fP
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.RS 4
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Use raw output format.
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.RE
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.sp
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\fB\-r\fP, \fB\-\-time\fP \fIclock\fP
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.RS 4
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Show current time of one specific clock.
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.RE
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.sp
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\fB\-\-no\-discover\-dynamic\fP
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.RS 4
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Do not try to discover dynamic clocks.
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.RE
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.sp
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\fB\-d\fP, \fB\-\-dynamic\-clock\fP \fIpath\fP
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.RS 4
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Also display specified dynamic clock.
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Can be specified multiple times.
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.RE
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.sp
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\fB\-\-no\-discover\-rtc\fP
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.RS 4
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Do not try to discover RTCs.
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.RE
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.sp
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\fB\-x\fP, \fB\-\-rtc\fP \fIpath\fP
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.RS 4
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Also display specified RTC.
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Can be specified multiple times.
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.RE
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.sp
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\fB\-c\fP, \fB\-\-cpu\-clock\fP \fIpid\fP
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.RS 4
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Also display CPU clock of specified process.
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Can be specified multiple times.
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.RE
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.sp
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\fB\-h\fP, \fB\-\-help\fP
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.RS 4
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Display help text and exit.
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.RE
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.sp
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\fB\-V\fP, \fB\-\-version\fP
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.RS 4
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Display version and exit.
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.RE
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.SH "OUTPUT COLUMNS"
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.sp
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Each column has a type. Types are surround by < and >.
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.sp
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TYPE <\f(CRstring\fP>
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.RS 4
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Clock type.
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.RE
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.sp
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ID <\f(CRnumber\fP>
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.RS 4
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Numeric clock ID.
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.RE
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.sp
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CLOCK <\f(CRstring\fP>
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.RS 4
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Name in the form \fBCLOCK_\fP
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.RE
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.sp
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NAME <\f(CRstring\fP>
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.RS 4
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Shorter, easier to read name.
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.RE
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.sp
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TIME <\f(CRnumber\fP>
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.RS 4
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Current clock timestamp as returned by \fBclock_gettime()\fP.
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.RE
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.sp
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ISO_TIME <\f(CRstring\fP>
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.RS 4
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ISO8601 formatted version of \fBTIME\fP.
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.RE
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.sp
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RESOL_RAW <\f(CRnumber\fP>
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.RS 4
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Clock resolution as returned by \fBclock_getres\fP(2).
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.RE
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.sp
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RESOL <\f(CRnumber\fP>
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.RS 4
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Human readable version of \fBRESOL_RAW\fP.
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.RE
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.sp
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REL_TIME <\f(CRstring\fP>
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.RS 4
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\fBTIME\fP time formatted as time range.
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.RE
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.sp
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NS_OFFSET <\f(CRnumber\fP>
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.RS 4
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Offset of the current namespace to the parent namespace as read from \fB/proc/self/timens_offsets\fP.
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.RE
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.SH "AUTHORS"
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.sp
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.MTO "thomas\(att\-8ch.de" "Thomas Weißschuh" ""
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.SH "SEE ALSO"
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.sp
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\fBclock_getres\fP(2) \fBclock_gettime\fP(2)
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.SH "REPORTING BUGS"
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.sp
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For bug reports, use the \c
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.URL "https://github.com/util\-linux/util\-linux/issues" "issue tracker" "."
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.SH "AVAILABILITY"
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.sp
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The \fBlsclocks\fP command is part of the util\-linux package which can be downloaded from \c
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.URL "https://www.kernel.org/pub/linux/utils/util\-linux/" "Linux Kernel Archive" "." |