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Date: Mon, 14 Jan 2002 17:50:41 -0800 (PST)
From: Davide Libenzi <davidel@xmailserver.org>
X-X-Sender: davide@blue1.dev.mcafeelabs.com
To: Ed Tomlinson <tomlins@cam.org>
cc: Ingo Molnar <mingo@elte.hu>, lkml <linux-kernel@vger.kernel.org>,
        Dave Jones <davej@suse.de>
Subject: Re: [patch] O(1) scheduler-H6/H7 and nice +19
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Message-ID: <Pine.LNX.4.40.0201141748570.1233-100000@blue1.dev.mcafeelabs.com>
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On Mon, 14 Jan 2002, Ed Tomlinson wrote:

> On January 13, 2002 10:45 pm, Davide Libenzi wrote:
> > On Sun, 13 Jan 2002, Ed Tomlinson wrote:
> > > With pre3+H7, kernel compiles still take 40% longer with a setiathome
> > > process running at nice +19.  This is _not_ the case with the old
> > > scheduler.
> >
> > Did you try to set MIN_TIMESLICE to 10 ( sched.h ) ?make bzImage with setiathome running nice +19
>
> This makes things a worst - note the decreased cpu utilizaton...
>
> make bzImage  424.33s user 32.21s system 48% cpu 15:48.69 total
>
> What is this telling us?

Doh !
Did you set this ?

#define MIN_TIMESLICE   (10 * HZ / 1000)




- Davide


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