Kent A. Reed wrote:
>
> With a preempt_RT enabled kernel 2.6.33.7.2-rt30 and an appropriately 
> modified EMC2.4.4 [patches from Michael Büsch and Jeff Eppler] running 
> on an IBM Thinkpad T40 with a 1500MHz PentiumM cpu, the author measured 
> the following:
> -----
> 1) the EMC2 latency-test
>
> Servo Thread: 1ms Max Jitter 261101ns
> Base Thread: 50us Max Jitter 101701ns
>
>   
Well, these are ghastly numbers!  The 1ms thread has jitter of 26% of 
the period, and
the 50us thread has jitter of 204% of the thread period!  That will 
cause system lockups,
I think.

Jon

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