We noticed a lot of funny business in the kernel and X that violated the 
scheduler in RTAI. I think that the devs focus on the problem they are 
trying to solve and if it messes with real time and nobody notices or 
complains they consider their job done and move on.

On 03/16/2016 11:42 AM, Nicklas Karlsson wrote:
> Probably right no one are interested enough. Good real time performance 
> require proper priority of everything handled from interrupts, I also read 
> system management interrupts are not possible to get rid of. Knowlegde about 
> which real time tasks exist within kernel like serial receive buffers which 
> must be handled before filled up next time or accept lose data is probably 
> another issue I never even heard anyone mention.
>
>
>


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