[meta-freescale] linux-imx-3.10.9 with preempt-rt patch

Otavio Salvador otavio at ossystems.com.br
Mon Mar 24 09:58:25 PDT 2014

On Mon, Mar 24, 2014 at 1:52 PM, Fabio Estevam <festevam at gmail.com> wrote:
> Hi Jacob/Otavio,
> On Mon, Mar 24, 2014 at 1:48 PM, Jacob Kroon <jacob.kroon at gmail.com> wrote:
>> I have done some testing using various tools from "rt-tests" package.
>> The patch does show a big improvement when looking at the numbers from
>> "cyclictest", max. peak of ~150 us in wakeup-latency for a high-priority
>> realtime thread (compared to milliseconds even with a PREEMPT kernel), while
>> loading the system in all the possible ways I could think of,
>> including utilizing the GPU. This was on a Wandboard Solo.
> What about creating a recipe for rt kernels, so that folks interested
> in real-time kernel could easily test it under meta-fsl-arm?

I like this idea. Jacob, are you up for the task? I can help if you want.

Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750

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