libBSD and CPU Load display questions in SMP mode

Sebastian Huber sebastian.huber at
Wed Oct 17 05:09:53 UTC 2018

On 17/10/2018 04:17, jameszxj wrote:
> thanks,
> 1.I read the c-use doc, but still confused about EDF SCHEDULER.
> The doc said "All SMP schedulers included in RTEMS are priority based. "
> Is that mean High priority task always piror low priority task just 
> like Priority SMP Scheduler.
> But some doc from internet said EDF scheduler has a dynamic priority.

Is this the documentation you found?

> My system wants High priority task always piror low priority task, low 
> priority task can be delay or interrupt.
> Does it means that we can not use EDF scheduler?

You can use the EDF scheduler. It is the default scheduler if more that 
one processor is configured.

Sebastian Huber, embedded brains GmbH

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