perf kmem: Add help file

Add Documentation/perf-kmem.txt

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: linux-mm@kvack.org <linux-mm@kvack.org>
LKML-Reference: <4B0B6EAF.80802@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Li Zefan 2009-11-24 13:27:11 +08:00 committed by Ingo Molnar
parent 079d3f6531
commit b23d5767a5
2 changed files with 45 additions and 0 deletions

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perf-kmem(1)
==============
NAME
----
perf-kmem - Tool to trace/measure kernel memory(slab) properties
SYNOPSIS
--------
[verse]
'perf kmem' {record} [<options>]
DESCRIPTION
-----------
There's two variants of perf kmem:
'perf kmem record <command>' to record the kmem events
of an arbitrary workload.
'perf kmem' to report kernel memory statistics.
OPTIONS
-------
-i <file>::
--input=<file>::
Select the input file (default: perf.data)
--stat=<caller|alloc>::
Select per callsite or 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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@ -14,3 +14,4 @@ perf-timechart mainporcelain common
perf-top mainporcelain common
perf-trace mainporcelain common
perf-probe mainporcelain common
perf-kmem mainporcelain common