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

From: Jeremy Fitzhardinge
Date: Mon Nov 01 2010 - 12:27:11 EST


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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/