linux-kernel - Re: 2.6.36 io bring the system to its knees

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Message-ID: <AANLkTinoGGLTN2JRwjJtF6Ra5auZVg+VSa=TyrtAkDor@mail.gmail.com>
Date:	Thu, 28 Oct 2010 14:16:11 +0300
From:	Pekka Enberg <penberg@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Aidar Kultayev <the.aidar@...il.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: 2.6.36 io bring the system to its knees

* Pekka Enberg <penberg@...nel.org> wrote:
>> On Thu, Oct 28, 2010 at 9:09 AM, Aidar Kultayev <the.aidar@...il.com> wrote:
>> > Find attached screenshot ( latencytop_n_powertop.png ) which depicts
>> > artifacts where the window manager froze at the time I was trying to
>> > see a tab in Konsole where the powertop was running.
>>
>> You seem to have forgotten to include the attachment.

On Thu, Oct 28, 2010 at 12:00 PM, Ingo Molnar <mingo@...e.hu> wrote:
> I got it - it appears it was too large for lkml's ~500K mail size limit.
>
> Aidar, mind sending a smaller image?

Looks mostly VFS to me. Aidar, does killing Picasa make things
smoother for you? If so, maybe the VFS scalability patches will help.

                        Pekka
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