On Wed, Jul 29, 2009 at 4:15 PM, Mulyadi Santosa
<[email protected]>wrote:

> Hi all
>
> I've tried to check related scheduler code and I've got impression
> that in CFS scheduler, dynamic priority level no longer determines
> which process will be picked up by the scheduler. Instead, it is now
> the waiting time that becomes the primary factor to watch...the longer
> it waits, thus it is treated "more unfair"...then it will be picked
> ASAP. Is this correct?


AFAIK, this is correct


> If it is correct, then is it still useful to assign different nice
> level to mark the importance of a process?


Waiting  time for different process are virtual time, I mean waiting time
depends on priority of the process also.
Waiting time of a process with higher priority will increase faster so that
it get picked sooner.


> Thanks in advance for your help.
>
> --
> regards,
>
> Mulyadi Santosa
> Freelance Linux trainer
> blog: the-hydra.blogspot.com
>

Thanks,
Chetan Nanda

>
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