On Fri, 2005-07-08 at 14:49 +0200, Serge Noiraud wrote:
> Hi,
>
> I have a big dilemna on one machine :
> I run a task with RT priority which make a loop to mesure the system
> perturbation.
> It works well except on one machine.
> On a multi-cpu, If I run the program on cpu 1, I get 23us. It's OK.
> If I run the same program on cpu 0, I get 17373us !
If it's not at RT priority 99 , then your application could be held off
until higher priority applications have run. 17373us is a pretty long
hold off time though .
Daniel
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