[Xenomai] imx6q xenomai-2.6.3 ethercat master

Gilles Chanteperdrix gilles.chanteperdrix at xenomai.org
Mon Apr 14 09:10:01 CEST 2014


On 04/14/2014 05:06 AM, 嵌入式工程师 wrote:
> I may have found the missing real-time problem. I use ethercat  and
> set a rt_timer to read data in 250us.Ethercat will record data once
> received cycle.We believe that  ethercat should has been read   data
> in cycles 250us  Is accurate.But with SMP enble the  delay reached
> 400us. With up-kernal it is just 30us .
> 

Please tell us what version of the I-pipe patch you are using, and post
your kernel configuration.

-- 
                                                                Gilles.




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