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SubjectRe: RT exec for exercising RT kernel capabilities

On Thu, 2006-06-08 at 15:12 -0400, Mark Hounschell wrote:
> 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.

Nice tool.

Some remarks. You can build high resolution timer support without the
extra lib package from the HRT sourceforge site. You need a recent glibc
and some quirks in the source. See the cyclictest program I'm using.

It would also be cute to add tests for the PI support for


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