LSCLOCKS(1) LSCLOCKS(1) lsclocks - lsclocks [] lsclocks . . . o POSIX: CLOCK_MONOTONIC CLOCK_REALTIME CLOCK_BOOTTIME . o (CPU): clock_getcpuclockid(3). o PTP: /dev/ptp0. o RTC: /dev/rtc0. o : CLOCK_AUX0 CLOCK_AUX1 . -J --json JSON. -n --noheadings . -o --output . OUTPUT COLUMNS . --output-all . -r --raw . -t --time . --no-discover-dynamic . -d --dynamic-clock . . --no-discover-rtc (RTCs). -x --rtc (RTC) . . -c --cpu-clock . . -h --help . -V --version . LSCLOCKS_COLUMNS= . . LIBSMARTCOLS_DEBUG=all libsmartcols. LIBSMARTCOLS_DEBUG_PADDING=on . . < >. TYPE <_> . ID <> . CLOCK <> CLOCK_ NAME <_> . TIME <> clock_gettime(2). ISO_TIME <> TIME ISO8601. RESOL_RAW <> clock_getres(2). RESOL <> RESOL_RAW. REL_TIME <> TIME . NS_OFFSET <> /proc/self/timens_offsets. Thomas Weissschuh clock_getres(2) clock_gettime(2) . lsclocks util-linux . util-linux 2.42.1 2026-05-18 LSCLOCKS(1)