From: Andrew Morton <akpm@osdl.org>
To: Con Kolivas <kernel@kolivas.org>
Cc: piggin@cyberone.com.au, linux-kernel@vger.kernel.org
Subject: Re: as / scheduler question
Date: Mon, 28 Jul 2003 16:01:17 -0700 [thread overview]
Message-ID: <20030728160117.3f679f01.akpm@osdl.org> (raw)
In-Reply-To: <200307290908.09065.kernel@kolivas.org>
Con Kolivas <kernel@kolivas.org> wrote:
>
> Nick
>
> With the sheduler work Ingo and I have been doing I was wondering if there was
> possibly a problem with requeuing kernel threads at certain intervals? Ingo's
> current version requeues all threads at 25ms and I just wondered if this
> number might be a multiple or factor of a magic number in the AS workings, as
> we're seeing a few changes in behaviour with AS only. I'm planning on leaving
> kernel threads out of this requeuing, but I thought I could also pick your
> brain.
>
What does "requeues all threads at 25ms" mean?
The only dependency we should have there is that kblockd should be scheduled
promptly after it is woken. It is reniced by -10 so it should be OK.
Renicing it further or making it SCHED_RR/FIFO would be interesting.
next prev parent reply other threads:[~2003-07-28 23:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-28 23:08 as / scheduler question Con Kolivas
2003-07-28 23:01 ` Andrew Morton [this message]
2003-07-28 23:25 ` Con Kolivas
2003-07-28 23:32 ` Robert Love
2003-07-31 6:43 ` Nick Piggin
2003-07-31 6:45 ` Nick Piggin
2003-07-28 23:30 ` Robert Love
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