https://github.com/torvalds/linux
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Tip revision: d65b4e98d7ea3038b767b70fe8be959b2913f16d authored by Linus Torvalds on 09 February 2012, 03:21:53 UTC
Linux 3.3-rc3
Tip revision: d65b4e9
perf-kmem.txt
perf-kmem(1)
============

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

SYNOPSIS
--------
[verse]
'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

SEE ALSO
--------
linkperf:perf-record[1]
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