Changing the default scheduler

Mulyadi Santosa mulyadi.santosa at gmail.com
Mon May 23 09:04:24 EDT 2016


On Fri, May 20, 2016 at 6:51 AM, Renato Utsch <renatoutsch at gmail.com> wrote:

> Hello,
>
> I am a new developer trying to learn how to tinker with the kernel. I
> searched on the internet but couldn't find much info about this (and
> couldn't find any info up to date).
>
> My question is, how does the kernel decide which is the default scheduler
> that all processes start with? I can change the scheduler of a process by
> sched_setscheduler(), but how do I change *all* processes from using the
> CFS scheduler to, for example, the RR scheduler?
>
> Sorry if this is too basic, but I don't know where to search for this. If
> you guys could point me places where I can learn more about this, I would
> be grateful.
>
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>
>
Hi..

putting aside scheduler plugins module that once exist and maintained (not
sure now), I guess the only way to switch to new scheduler is to patch your
kernel first (if you haven't do that) with scheduler patch such as Con
Kolivas BFS and reboot to that new kernel.


-- 
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant

blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com
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