Same here...
http://imagebin.org/246546

That is after adding nohlt idle=poll to the boot options.  This is the 
machine we have been testing on - 100+us latency unless there is some 
sort of do-nothing process running.

it runs a bit hotter..

sam


On 2/13/2013 5:08 AM, Michael Haberler wrote:
> Am 13.02.2013 um 11:37 schrieb andy pugh:
>
>> On 13 February 2013 10:15, Michael Haberler <mai...@mah.priv.at> wrote:
>>
>>> http://www.xenomai.org/pipermail/xenomai/2013-February/027675.html
>> This sounds familiar, there is a similar situation with RTAI:
>> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?RealTime
>> and the "cpu hog" near the bottom.
> Mick just observed that the "nohlt idle=poll" boot option does in fact 
> improve latency figures significantly
>
> It might well be the case that the same option does have an impact with RTAI, 
> too
>
> It's worth a try - I just dont have 'laggy' hardware at my hands here
>
> - Michael
>
>> After a bit more searching, I guess you are aware of that as exactly
>> the same name for it  is being used on the Xenomai page.
>>
>> -- 
>> atp
>> If you can't fix it, you don't own it.
>> http://www.ifixit.com/Manifesto
>>
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