From: Pavel Machek <pavel@suse.cz>
To: Boris Dragovic <lynx@falcon.etf.bg.ac.yu>,
Oswald Buddenhagen <ob6@inf.tu-dresden.de>
Cc: Rik van Riel <riel@conectiva.com.br>, linux-kernel@vger.kernel.org
Subject: Re: static scheduling - SCHED_IDLE?
Date: Fri, 9 Mar 2001 12:26:18 +0100 [thread overview]
Message-ID: <20010309122618.A449@bug.ucw.cz> (raw)
In-Reply-To: <20010307202027.B27421@ugly.wh8.tu-dresden.de> <Pine.LNX.4.20.0103081427040.3785-100000@falcon.etf.bg.ac.yu>
In-Reply-To: <Pine.LNX.4.20.0103081427040.3785-100000@falcon.etf.bg.ac.yu>; from Boris Dragovic on Thu, Mar 08, 2001 at 02:29:06PM +0100
Hi!
> > did "these" apply only to the tasks, that actually hold a lock?
> > if not, then i don't like this idea, as it gives the processes
> > time for the only reason, that it _might_ hold a lock. this basically
> > undermines the idea of static classes. in this case, we could actually
> > just make the "nice" scale incredibly large and possibly nonlinear,
> > as mark suggested.
>
> would it be possible to subqueue tasks that are holding a lock so that
> they get some guaranteed amount of cpu and just leave other to be executed
> when processor really idle?
There was implementation which promoted SCHED_IDLE task to normal
priority whenever it entered syscall. I liked it.
Pavel
--
I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care."
Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org
prev parent reply other threads:[~2001-03-10 15:27 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-07 17:40 static scheduling - SCHED_IDLE? Oswald Buddenhagen
2001-03-07 18:04 ` Rik van Riel
2001-03-07 19:20 ` Oswald Buddenhagen
2001-03-07 21:34 ` ludovic
2001-03-08 11:17 ` Zdenek Kabelac
2001-03-08 11:41 ` Andrew Morton
2001-03-08 13:29 ` Boris Dragovic
2001-03-08 13:44 ` Rik van Riel
2001-03-08 20:19 ` Boris Dragovic
2001-03-08 20:47 ` Rik van Riel
2001-03-09 19:38 ` george anzinger
2001-03-09 20:19 ` Adrian Cox
2001-03-12 18:05 ` Jamie Lokier
2001-03-12 19:37 ` Adrian Cox
2001-03-13 9:40 ` Jamie Lokier
2001-03-10 2:58 ` Rik van Riel
2001-03-09 19:42 ` Jamie Lokier
2001-03-10 3:02 ` Rik van Riel
2001-03-09 20:09 ` Jamie Lokier
2001-03-10 4:56 ` Rik van Riel
2001-03-14 13:19 ` Jamie Lokier
2001-03-15 3:13 ` Rik van Riel
2001-03-14 14:26 ` Philipp Rumpf
2001-03-09 11:26 ` Pavel Machek [this message]
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