1 perf-kmem(1) 2 ============ 3 4 NAME 5 ---- 6 perf-kmem - Tool to trace/measure kernel memory(slab) properties 7 8 SYNOPSIS 9 -------- 10 [verse] 11 'perf kmem' {record|stat} [<options>] 12 13 DESCRIPTION 14 ----------- 15 There are two variants of perf kmem: 16 17 'perf kmem record <command>' to record the kmem events 18 of an arbitrary workload. 19 20 'perf kmem stat' to report kernel memory statistics. 21 22 OPTIONS 23 ------- 24 -i <file>:: 25 --input=<file>:: 26 Select the input file (default: perf.data unless stdin is a fifo) 27 28 --caller:: 29 Show per-callsite statistics 30 31 --alloc:: 32 Show per-allocation statistics 33 34 -s <key[,key2...]>:: 35 --sort=<key[,key2...]>:: 36 Sort the output (default: frag,hit,bytes) 37 38 -l <num>:: 39 --line=<num>:: 40 Print n lines only 41 42 --raw-ip:: 43 Print raw ip instead of symbol 44 45 SEE ALSO 46 -------- 47 linkperf:perf-record[1] 48
