LSCPU(1) LSCPU(1) (NAME) lscpu - (CPU) (SYNOPSIS) lscpu [] (DESCRIPTION) lscpu sysfs /proc/cpuinfo ( librtas Powerpc) . (parsing) . (threads) NUMA ( ) . (cache) bogoMIPS (byte order) / (stepping) (microcode) . . ( ) "Field: data\n" . "lscpu | less" . (guest) ( host) . lscpu . list () . list . --help . . . lscpu . (cache) . v2.34 . --caches . v2.37 lscpu . (OPTIONS) -a --all (online) (offline) ( -e). -e -p . -B --bytes . . (KiB MiB GiB ...) : K M G .... -b --online ( -p). -e -p . -C --caches[=list] . --list-columns . list . list (=) list (whitespace) . : -C=NAME,ONE-SIZE --caches=NAME,ONE-SIZE. +list ( lscpu -C=+ALLOC-POLICY). -c --offline . -e -p . -e --extended[=list] . list . . list (=) list . : -e=cpu,node --extended=cpu,node. +list ( lscpu -e=+MHZ). -H --list-columns --extended --parse --caches . --json --raw . --hierarchic[=when] . () . when never always auto . when always . -J --json JSON ( --extended). JSON . --hierarchic. --output-all . --extended --parse --caches . -p --parse[=list] (parsing) . list lscpu . . . list (:) . list (=) list . : -p=cpu,online,mhz --parse=cpu,online,mhz. +list ( lscpu -p=+MHZ). -r --raw . --extended --parse --caches . -s --sysroot directory lscpu . directory (system root) . -x --hex () ( "ff"). ( 0,1). 2.30 0x . -y --physical ( ). lscpu . . lscpu (-) . . --arm-id[=list] () ARM . . --arm-model id . --arm-id=id . --annotate[=when] (annotation) . (tooltip) . when always never auto . auto . -h --help . -V --version . (ENVIRONMENT) LSCPU_COLUMNS= . --list-columns -e -p . LSCPU_CACHES_COLUMNS= LSCPU_COLUMNS -C . LIBSMARTCOLS_DEBUG=all libsmartcols . LIBSMARTCOLS_DEBUG_PADDING=on (visible padding) . (COLUMNS) --list-columns . (NOTES) . . (BUGS) (heuristic) . () (flags) BogoMIPS lscpu . Xen Dom0 . . (AUTHORS) Cai Qian , Karel Zak , Heiko Carstens , Christian Goeschel Ndjomouo (SEE ALSO) chcpu(8) (REPORTING BUGS) . (AVAILABILITY) lscpu util-linux . . util-linux 2.42.3 2026-09-02 LSCPU(1)