linux-kernel - Re: Poor desktop responsiveness with background I/O-operations

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Message-ID: <20090921093328.75ae5519@infradead.org>
Date:	Mon, 21 Sep 2009 09:33:28 +0200
From:	Arjan van de Ven <arjan@...radead.org>
To:	Mike Galbraith <efault@....de>
Cc:	Jan Kara <jack@...e.cz>, Jiri Kosina <jkosina@...e.cz>,
	Ulrich Lukas <stellplatz-nr.13a@...enparkplatz.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Poor desktop responsiveness with background I/O-operations

On Mon, 21 Sep 2009 09:25:08 +0200
Mike Galbraith <efault@....de> wrote:
> I still occasionally see some largish numbers though, and suspect that
> depends on how much cache was evicted.

if you run latencytop it'll at least tell you what kind of operating
was going on that hit the delay...

-- 
Arjan van de Ven 	Intel Open Source Technology Centre
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