NAME¶

perf-kmem - Tool to trace/measure kernel memory properties

SYNOPSIS¶

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

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.

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

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

-v, --verbose

Be more verbose. (show symbol address, etc)

--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

--slab

Analyze SLAB allocator events.

--page

Analyze page allocator events