Re: RT exec for exercising RT kernel capabilities

Mark Hounschell
2006-06-08T20:50:34Z

Thomas Gleixner wrote:
> Mark,
>
> 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
>> ftp://ftp.compro.net/public/rt-exec/README
>>
>> It can be downloaded from
>> ftp://ftp.compro.net/public/rt-exec/rt-exec-1.0.0.tar.bz2
>>
>> 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.
> http://www.tglx.de/projects/misc/cyclictest/cyclictest-v0.8.tar.bz2
>

I didn't realize that. Right you are.

> It would also be cute to add tests for the PI support for
> pthread_mutexes.
>
> tglx

I'm not sure what one needs to do in user land to actually test that but I'll
investigate.

Thanks
Mark