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Date: Sat, 28 Apr 2001 10:26:13 -0400
From: "Mohammad A. Haque" <mhaque@haque.net>
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To: Peter Osterlund <peter.osterlund@mailbox.swipnet.se>
CC: Linus Torvalds <torvalds@transmeta.com>, linux-kernel@vger.kernel.org
Subject: Re: 2.4.4 sluggish under fork load
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Peter Osterlund wrote:
> 
> I have noticed that 2.4.4 feels a lot less responsive than 2.4.3 under
> fork load. This is caused by the "run child first after fork" patch. I
> have tested on two different UP x86 systems running redhat 7.0.
> 
> For example, when running the gcc configure script, the X mouse pointer is
> very jerky. The configure script itself runs approximately as fast as in
> 2.4.3.
> 
> Another thing is that the bash loop "while true ; do /bin/true ; done" is
> not possible to interrupt with ctrl-c.
> 

Just as a data point, I'm experiencing this also.

> Reverting the fork patch makes all these problems go away on my machine.
> I'm not saying that this is necessarily a good idea, that patch might be
> good for other reasons.

I'll try out this patch soon.
-- 

=====================================================================
Mohammad A. Haque                              http://www.haque.net/ 
                                               mhaque@haque.net

  "Alcohol and calculus don't mix.             Project Lead
   Don't drink and derive." --Unknown          http://wm.themes.org/
                                               batmanppc@themes.org
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