From: Satoru Moriya <satoru.moriya@hds.com>
To: Wu Fengguang <fengguang.wu@intel.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Minchan Kim <minchan.kim@gmail.com>,
Mel Gorman <mel@linux.vnet.ibm.com>,
Dave Young <hidave.darkstar@gmail.com>,
linux-mm <linux-mm@kvack.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Christoph Lameter <cl@linux.com>,
Dave Chinner <david@fromorbit.com>,
David Rientjes <rientjes@google.com>
Subject: RE: [PATCH] getdelays: show average CPU/IO/SWAP/RECLAIM delays
Date: Wed, 4 May 2011 23:37:46 -0400 [thread overview]
Message-ID: <65795E11DBF1E645A09CEC7EAEE94B9C3DF8133D@USINDEVS02.corp.hds.com> (raw)
In-Reply-To: <20110502140257.GA12780@localhost>
On 05/02/2011 10:02 AM, Wu Fengguang wrote:
> I find it very handy to show the average delays in milliseconds.
>
> Example output (on 100 concurrent dd reading sparse files):
>
> CPU count real total virtual total delay total delay average
> 986 3223509952 3207643301 38863410579 39.415ms
> IO count delay total delay average
> 0 0 0ms
> SWAP count delay total delay average
> 0 0 0ms
> RECLAIM count delay total delay average
> 1059 5131834899 4ms
> dd: read=0, write=0, cancelled_write=0
>
> CC: Mel Gorman <mel@linux.vnet.ibm.com>
> Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
This is useful for me.
Reviewed-by: Satoru Moriya <satoru.moriya@hds.com>
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next prev parent reply other threads:[~2011-05-05 3:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-02 14:02 Wu Fengguang
2011-05-05 3:37 ` Satoru Moriya [this message]
2011-05-09 5:40 ` KOSAKI Motohiro
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