netdev - Re: question about softirqs

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Message-Id: <20090512.214540.147824481.davem@davemloft.net>
Date:	Tue, 12 May 2009 21:45:40 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	rostedt@...dmis.org
Cc:	a.p.zijlstra@...llo.nl, mingo@...e.hu, cfriesen@...tel.com,
	tglx@...utronix.de, linuxppc-dev@...abs.org, paulus@...ba.org,
	netdev@...r.kernel.org
Subject: Re: question about softirqs

From: Steven Rostedt <rostedt@...dmis.org>
Date: Tue, 12 May 2009 08:20:51 -0400 (EDT)

> I'm going to be playing around with bypassing the net-rx/tx with my 
> network drivers. I'm going to add threaded irqs for my network cards and 
> have the driver threads do the work to get through the tcp/ip stack.
> 
> I'll still keep the softirqs for other cards, but I want to see how fast 
> it speeds things up if I have the driver thread do it.

I think your latency is going to be dreadful.
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