Re: [microblaze-uclinux] Is uCLinux a real-time OS?

[Jingzhao Ou <ouj@xxxxxxx>]

Thanks a lot for the answers from Richard and John. Look forward to the
release of RTAI.

Best regards,
Jingzhao

John Williams wrote:
> Hi Jingzhao,
> 
> Jingzhao Ou wrote:
> 
>> Just wonder if uCLinux for MicroBlaze is a real-time OS. 
> 
> 
> No.  Linux is not a real-time OS on any platform.  Real-time means the 
> response time to interrupts and events can be upper bounded.
> 
> Linux will often be fast enough, but it's still not strictly real-time.
> 
>> If no, is there any patches that I can apply?
> 
> 
> We have done 99% of a port of the RTAI (real-time application interface) 
> to the microblaze uClinux kernel.  There's still some bugs in there and 
> it's not ready for general use.  We hope to finish it off in the next 
> few months, after which it will be freely available for download.
> 
> Regards,
> 
> John
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