perf-kmem (1) - Linux Manuals

perf-kmem: Tool to trace/measure kernel memory(slab) properties

NAME

perf-kmem - Tool to trace/measure kernel memory(slab) properties

SYNOPSIS

perf kmem {record|stat} [<options>]

DESCRIPTION

There are two variants of perf kmem:

'perf kmem record <command>' to record the kmem events
of an arbitrary workload.

'perf kmem stat' to report kernel memory statistics.

OPTIONS

-i <file>, --input=<file>

Select the input file (default: perf.data unless stdin is a fifo)

--caller

Show per-callsite statistics

--alloc

Show per-allocation statistics

-s <key[,key2...]>, --sort=<key[,key2...]>

Sort the output (default: frag,hit,bytes)

-l <num>, --line=<num>

Print n lines only

--raw-ip

Print raw ip instead of symbol