From: Ingo Molnar <mingo@elte.hu>
To: Dean Nelson <dcn@sgi.com>
Cc: Chris Wright <chrisw@osdl.org>,
akpm@osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [Patch] export sched_setscheduler() for kernel module use
Date: Tue, 16 Nov 2004 23:36:08 +0100 [thread overview]
Message-ID: <20041116223608.GA27550@elte.hu> (raw)
In-Reply-To: <20041116201841.GA29687@sgi.com>
* Dean Nelson <dcn@sgi.com> wrote:
> > could you make sched_setscheduler() also include a parameter for the
> > nice value, so that ->static_prio could be set at the same time too
> > (which would have relevance if SCHED_OTHER is used)? This would make it
> > a generic kernel-internal API to change all the priority parameters.
> > Looks good otherwise.
>
> Yeah, I can do that. I'll probably be getting back to you with a
> question or two, if what you're after isn't obvious once I start
> making the changes for the nice parameter.
another potential API would be to use the linear priority range that the
scheduler has internally, from 0 (RT prio 99) to 140 (nice +19). I'm not
sure which solution is the better one. Using the linear priority has the
advantage of not having to pass any policy value - priorities between 0
and 99 implicitly mean SCHED_FIFO, priorities above that would mean
SCHED_NORMAL, a pretty natural and compact interface.
Ingo
next prev parent reply other threads:[~2004-11-16 21:36 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-15 18:35 [Patch] export sched_setscheduler() for kernel module use Dean Nelson
2004-11-15 18:58 ` Chris Wright
2004-11-15 20:33 ` Dean Nelson
2004-11-15 20:41 ` Jan Engelhardt
2004-11-15 21:03 ` Dean Nelson
2004-11-15 21:27 ` Chris Wright
2004-12-09 14:36 ` Dean Nelson
2004-11-16 10:48 ` Ingo Molnar
2004-11-16 18:34 ` pthread_cond_signal not waking thread Andrew A.
2004-11-16 20:31 ` Nikita Danilov
2004-11-16 20:45 ` Andrew A.
2004-11-16 21:00 ` Nikita Danilov
2004-11-16 20:18 ` [Patch] export sched_setscheduler() for kernel module use Dean Nelson
2004-11-16 22:36 ` Ingo Molnar [this message]
2004-11-16 22:01 ` Chris Friesen
2004-11-16 23:05 ` Ingo Molnar
2004-12-08 20:34 ` Dean Nelson
2004-12-09 12:46 ` Ingo Molnar
-- strict thread matches above, loose matches on Subject: below --
2004-12-13 20:14 [PATCH] " Dean Nelson
2004-12-15 9:49 ` Ingo Molnar
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