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Date: Mon, 30 Oct 2000 18:41:51 +0200 (EET)
From: <lnxkrnl@mail.ludost.net>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: PLIP driver in 2.2.xx kernels
In-Reply-To: <E13pWzo-0005MJ-00@the-village.bc.nu>
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On Sat, 28 Oct 2000, Alan Cox wrote:

> >   I have a question - Why does the PLIP driver does consume so much CPU ?
> > I tried it today, and when i did ping -s 16000 dst_ip, the kernel consumed
> > about 50% of the CPU time ( /proc/cpuinfo and /proc/interrupts follow).
> > Any ideas ?
> 
> It has to bang on the parallel port controller the hard way, there is no
> useful hardware support on a basic parallel port for the kind of abuse needed
> for PLIP
> 
(sorry for the late reply)
 I used plip with kernel 1.2.8 and had no problem with it...The machines
that I'm using now are far superior than the old ones... Why shouldn't it
work now ? 

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