lkml.org 
[lkml]   [2010]   [Jan]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] IPMI: Add parameter to limit CPU usage in kipmid
Date
Le samedi 19 décembre 2009 14:56, Jean Delvare a écrit :
> Le jeudi 17 décembre 2009 23:08, Corey Minyard a écrit :
> > I cleaned up the patch some. I added some state results to the list of
> > things to be busy waited for (should improve performance a bit) and
> > changed the schedule_timeout_interruptible back to 1, since that's
> > what it's supposed to be. And I added some comments.
>
> Thanks for doing this!
>
> > I did some testing on my system here. On my system, kipmid uses almost
> > no CPU normally. If I set the kipmid_max_busy_us value to 500, the
> > interface was more than 5 times slower. I had to set the value up to
> > 35000 for it to go back to the normal performance, and it was pretty
> > linear between the two values. So this is definiately not for all
> > systems.
> >
> > Can you try this out to make sure its ok?
>
> I don't have any hardware where I can test this myself. But hopefully
> Martin does?

I've had the latest version of this patch tested by one of my
colleagues who has access to the relevant hardware, results are OK.
So I think we're ready to go, can we finally have this patch pushed
upstream?

Thanks,
--
Jean Delvare
Suse L3
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2010-01-14 15:05    [W:0.035 / U:1.972 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site