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Commit b23d5767 authored by Li Zefan's avatar Li Zefan Committed by Ingo Molnar
Browse files

perf kmem: Add help file 



Add Documentation/perf-kmem.txt

Signed-off-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
Acked-by: default avatarPekka 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: default avatarIngo Molnar <mingo@elte.hu>
parent 079d3f65

tools/perf/Documentation/perf-kmem.txt

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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]

tools/perf/command-list.txt

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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