linux-kernel - Re: [patch] CFS scheduler, -v18

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Date:	Sun, 24 Jun 2007 12:02:16 +0200
From:	"Antonino Ingargiola" <tritemio@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [patch] CFS scheduler, -v18

2007/6/23, Ingo Molnar <mingo@...e.hu>:
>
> * Antonino Ingargiola <tritemio@...il.com> wrote:
>
> > 2007/6/23, Ingo Molnar <mingo@...e.hu>:
> > >
> > >i'm pleased to announce release -v18 of the CFS scheduler patchset.
> >
> > I'm running -v18 on 2.6.22-rc5, no problems so far. How can I change a
> > task to SCHED_IDLE or SCHED_BATCH priority under CFS?
>
> pick up schedtool, and these are the choices it gives:
>
>     -N                    for SCHED_NORMAL
>     -F -p PRIO            for SCHED_FIFO       only as root
>     -R -p PRIO            for SCHED_RR         only as root
>     -B                    for SCHED_BATCH
>     -I -p PRIO            for SCHED_ISO
>     -D                    for SCHED_IDLEPRIO
>
> then for example to start up something as SCHED_IDLE:
>
>   schedtool -D -e ./somecommand.sh
>

Thank you very much! I was thinking that schedtool was suitable only
for -ck. I've installed schedtool and it works fine.

Anyway, I've discovered with great pleasure that CFS has also the
SCHED_ISO priority. I may have missed something, but I don't remember
to have read this in any of the CFS release notes :). For me this is a
really useful feature. Thanks.


Regards,

    ~ Antonio

>         Ingo
>
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