Date: Wed, 21 Dec 2005 17:11:40 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Peter Williams <pwil3058@bigpond.net.au>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>,
       Con Kolivas <kernel@kolivas.org>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] sched: Fix adverse effects of NFS client on	interactive response
Message-ID: <20051221161140.GA7950@elte.hu>
References: <43A8EF87.1080108@bigpond.net.au> <1135145341.7910.17.camel@lade.trondhjem.org> <43A8F714.4020406@bigpond.net.au>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <43A8F714.4020406@bigpond.net.au>
User-Agent: Mutt/1.4.2.1i
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 840
Lines: 21


* Peter Williams <pwil3058@bigpond.net.au> wrote:

> It's not a theory.  It's a result of observing a -j 16 build with the 
> sources on an NFS mounted file system with top with and without the 
> patches and comparing that with the same builds with the sources on a 
> local file system. [...]

could you try the build with the scheduler queue from -mm, and set the 
shell to SCHED_BATCH first? Do you still see interactivity problems 
after that?

i'm not sure we want to override the scheduling patterns observed by the 
kernel, via TASK_NONINTERACTIVE - apart of a few obvious cases.

	Ingo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/