projects / thirdparty / util-linux.git / blame
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|---|---|---|
| e9ddea79 TW |
1 | //po4a: entry man manual |
| 2 | = lsclocks(1) | |
| 3 | :doctype: manpage | |
| 4 | :man manual: User Commands | |
| 5 | :man source: util-linux {release-version} | |
| 6 | :page-layout: base | |
| 7 | :command: lsclocks | |
| 8 | ||
| 9 | == NAME | |
| 10 | ||
| 11 | lsclocks - display system clocks | |
| 12 | ||
| 13 | == SYNOPSIS | |
| 14 | ||
| 15 | *lsclocks* [option] | |
| 16 | ||
| 17 | == DESCRIPTION | |
| 18 | ||
| 19 | *lsclocks* is a simple command to display system clocks. | |
| 20 | ||
| 8440f1e1 | 21 | It allows to display information like current time and resolution of clocks like |
| e9ddea79 TW |
22 | CLOCK_MONOTONIC, CLOCK_REALTIME and CLOCK_BOOTTIME. |
| 23 | ||
| 24 | == OPTIONS | |
| 25 | ||
| 26 | *-J*, *--json*:: | |
| 27 | Use JSON output format. | |
| 28 | ||
| 29 | *-n*, *--noheadings*:: | |
| 30 | Don't print headings. | |
| 31 | ||
| 32 | *-o*, *--output* _list_:: | |
| 33 | Specify which output columns to print. See the *OUTPUT COLUMNS* | |
| 34 | section for details of available columns. | |
| 35 | ||
| 9f59d21c TW |
36 | *--output-all*:: |
| 37 | Output all columns. | |
| 38 | ||
| e9ddea79 TW |
39 | *-r*, *--raw*:: |
| 40 | Use raw output format. | |
| 41 | ||
| 30720c90 | 42 | *-r*, *--time* _clock_:: |
| 8440f1e1 | 43 | Show current time of one specific clock. |
| e9ddea79 | 44 | |
| 30720c90 | 45 | *--no-discover-dynamic*:: |
| 6fcb27e7 TW |
46 | Do not try to discover dynamic clocks. |
| 47 | ||
| 30720c90 | 48 | *-d*, *--dynamic-clock* _path_:: |
| c4620c6a | 49 | Also display specified dynamic clock. |
| a5cded29 | 50 | Can be specified multiple times. |
| dc3f05fc | 51 | |
| 30720c90 | 52 | *--no-discover-rtc*:: |
| edba74df TW |
53 | Do not try to discover RTCs. |
| 54 | ||
| 30720c90 | 55 | *-x*, *--rtc* _path_:: |
| edba74df TW |
56 | Also display specified RTC. |
| 57 | Can be specified multiple times. | |
| 58 | ||
| 30720c90 | 59 | *-c*, *--cpu-clock* _pid_:: |
| dc3f05fc TW |
60 | Also display CPU clock of specified process. |
| 61 | Can be specified multiple times. | |
| c4620c6a | 62 | |
| e9ddea79 TW |
63 | include::man-common/help-version.adoc[] |
| 64 | ||
| 65 | == OUTPUT COLUMNS | |
| 66 | ||
| 67 | Each column has a type. Types are surround by < and >. | |
| 68 | ||
| ac9ee302 TW |
69 | TYPE <``string``>:: |
| 70 | Clock type. | |
| 71 | ||
| e9ddea79 TW |
72 | ID <``number``>:: |
| 73 | Numeric clock ID. | |
| 74 | ||
| 75 | CLOCK <``string``>:: | |
| 76 | Name in the form *CLOCK_* | |
| 77 | ||
| 78 | NAME <``string``>:: | |
| 79 | Shorter, easier to read name. | |
| 80 | ||
| 81 | TIME <``number``>:: | |
| 82 | Current clock timestamp as returned by *clock_gettime()*. | |
| 83 | ||
| 84 | ISO_TIME <``string``>:: | |
| 85 | ISO8601 formatted version of *TIME*. | |
| 86 | ||
| 36ebc72a | 87 | RESOL_RAW <``number``>:: |
| 8440f1e1 | 88 | Clock resolution as returned by *clock_getres*(2). |
| e9ddea79 | 89 | |
| f9c9bb15 TW |
90 | RESOL <``number``>:: |
| 91 | Human readable version of *RESOL_RAW*. | |
| 92 | ||
| 0c7cba92 TW |
93 | REL_TIME <``string``>:: |
| 94 | *TIME* time formatted as time range. | |
| 95 | ||
| ed59648c TW |
96 | NS_OFFSET <``number``>:: |
| 97 | Offset of the current namespace to the parent namespace as read from */proc/self/timens_offsets*. | |
| 98 | ||
| e9ddea79 TW |
99 | |
| 100 | == AUTHORS | |
| 101 | ||
| 102 | mailto:thomas@t-8ch.de[Thomas Weißschuh] | |
| 103 | ||
| 104 | == SEE ALSO | |
| 105 | ||
| 106 | *clock_getres*(2) *clock_gettime*(2) | |
| 107 | ||
| 108 | include::man-common/bugreports.adoc[] | |
| 109 | ||
| 110 | include::man-common/footer.adoc[] | |
| 111 | ||
| 112 | ifdef::translation[] | |
| 113 | include::man-common/translation.adoc[] | |
| 114 | endif::[] |