Re: [Ltib] LTIB and real time processing

[Stuart Hughes]

Hi Sal,

This is not really the right forum to ask about real-time as that's a 
subject in itself and not a function of LTIB.  However here's a few 
pointers.

Real-time capability comes mainly from kernel enhancements (or 
configuration).  Also, not all things can be made real-time (for example 
if you really have to wait for disk i/o).

So far as milli-second non-guaranteed (soft-realtime) goes, the kernel 
has features to support this.  Google the linux and preempt.

If you need microsecond hard realtime there are some projects for Linux. 
 Take a look at xenomai http://www.xenomai.org/index.php/Main_Page and 
RTAI https://www.rtai.org/

Regards, Stuart

Mehrdad Salami wrote:
> Hi All,
>
>  
>
> I am using LTIB for couple of years now. However I am mainly doing 
> device driver and low level control and link it to network and other 
> peripheral on the board.
>
>  
>
> So my question is if I develop application on LTIB, how close it can be 
> to real time processing. Is it definitely out of question to do real 
> time operation or I need to define the real time operation in term of 
> second, milli second, micro second (nano second?) and depends on 
> processor (a lot of details and application dependent).
>
>  
>
> Just want to get a feeling about experience specially in video 
> processing and real time processing. Do I need to have the fastest 
> processor available or with careful structuring of LTIB even the modest 
> processor can handle the real time processing.
>
>  
>
> Is there any setting, option or guideline in LTIB that make application 
> to work closer to real time processing.
>
>  
>
> Or I am missing something important before asking this question.
>
>  
>
> Regards,
>
>  
>
>  
>
> Sal
>
>
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