[LITMUS^RT] Running LITMUS-RT on ARM64

Andrii Anisov andrii_anisov at epam.com
Mon Aug 28 18:07:25 CEST 2017


On 28.08.17 18:24, Björn Brandenburg wrote:
> I’m pretty sure this works correctly on bare metal. I’m attaching a 
> trace of two rtspin instances launched as follows:
>
>         setsched P-FP
>         rtspin -w -p 1 -o 2 -q  5 -s 1 1 20 10 &
>         rtspin -w -p 1      -q 10 -s 1 5 10 10 &
>
> In the trace you can see that the WCET=5ms task exhibits a response 
> time of 6ms whenever it is preempted by the WCET=1ms task. Also note 
> how little execution-time variation the jobs are exhibiting.
>
>
>
>
> Andrii, can you please check that this basic example works as expected?
Please see attached results of this basic experiment on my setup.
I see the bigger task execution time stretched.

-- 

*Andrii Anisov*


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