PERF-KMEM(1) perf Manual PERF-KMEM(1) (NAME) perf-kmem - (SYNOPSIS) perf kmem [] {record|stat} (DESCRIPTION) perf kmem : 'perf kmem [] record [] ' kmem . 'perf record' record '-o' . 'perf kmem [] stat' . (OPTIONS) -i , --input= stat (: perf.data stdin fifo ) -f, --force -v, --verbose . ( ) --caller (callsite) --alloc -s , --sort= (: frag,hit,bytes slab bytes,hit page). ptr, callsite, bytes, hit, pingpong, frag slab page, callsite, bytes, hit, order, migtype, gfp page. - --slab --page --alloc / --caller. -l , --line= n --raw-ip ip --slab SLAB. --page (page allocator) --live . perf kmem ( ) . ( --page ) --time=, : ,. seconds.microseconds . start ( ,x.y ) . stop ( x.y, ) . (SEE ALSO) perf-record(1) perf 09/04/2026 PERF-KMEM(1)