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SubjectRe: RT exec for exercising RT kernel capabilities
jeudi 8 Juin 2006 21:12, Mark Hounschell wrote/a écrit :
> With the ongoing work being done to rt kernel enhancements by Ingo and friends,
> I would like to offer the use of a user land test (rt-exec). The rt-exec tests
> well the deterministic real-time capabilities of a computer. Maybe it could
> useful in some way to the effort or to anyone interested in making this type of
> determination about their kernel/computer.
> A README describing the rt-exec can be found at
> It can be downloaded from
> Complaints, comments, or suggestions welcome.
Great tool.

I ran ./go and after 16:50 hours, the tasks 9 and 10 ( type hrt ) jumped respectively to 9787
and 3843usec ! 5 or 10 minutes earlier I did have between 100 and 200 usec.
What can cause this problem ? is it a hrt problem ?
Could it be a driver problem ( network ) ?

I send the png in copy.

Serge Noiraud
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