From: Li Zefan <lizf@cn.fujitsu.com>
Date: Thu, 10 Dec 2009 07:21:57 +0000 (+0800)
Subject: perf kmem: Show usage if no option is specified
X-Git-Tag: v2.6.33-rc1~306^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=90b86a9f7dc22e7ff8e8c79ed553860454ff8dd9;p=pandora-kernel.git

perf kmem: Show usage if no option is specified

As Ingo suggested, make "perf kmem" show help information.
"perf kmem stat [--caller] [--alloc] .." will show memory
statistics.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
LKML-Reference: <4B20A195.8030106@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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