linux-kernel - Re: High [extra timer interrupt] count in powertop since 2.6.36

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Message-ID: <4CCEE740.3080108@goop.org>
Date:	Mon, 01 Nov 2010 12:13:52 -0400
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Ian Kumlien <pomac@...ius.net>
CC:	linux-kernel@...r.kernel.org,
	Arjan van de Ven <arjan@...ux.intel.com>
Subject: Re: High [extra timer interrupt] count in powertop since 2.6.36

 On 10/30/2010 07:52 PM, Ian Kumlien wrote:
> Hi,
>
> I have been searching the list for anyone else seeing this,
> but i haven't found anything yet - Any ideas on how to debug?
>
> From powertop:
> Top causes for wakeups:
>   84.7% (1673.3)   [extra timer interrupt]
>
> Thats a little bit high in my opinion, for some reason it seems to be
> ignored since the actual number of wakeups seems to be ~367 or so.
>
> Ideas? Suggestions?

I'm not sure, but I'm seeing something similar.

    J

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