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Date: Wed, 30 Mar 2005 00:42:09 -0800
From: Matt Mackall <mpm@selenic.com>
To: Christensen Tom <paveraware@hotmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Network Performance Ingo's RT-Preempt
Message-ID: <20050330084209.GF25554@waste.org>
References: <BAY104-F21CE6F100043D58186803FDF430@phx.gbl>
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On Sun, Mar 27, 2005 at 10:27:40PM +0000, Christensen Tom wrote:
> I'm running 2.6.11 with Ingo's Preempt patch 
> (realtime-preempt-2.6.11-final-V0.7.40-04).  The system is SMP with a 
> broadcom NIC (tg3 driver).  I am seeing truly appalling network performance 
> (2-4kbps on a 1gbps network).  Is this a known issue?  I know this patch is 
> not production ready, what traces/logs do you need/want to be able to 
> debug/fix this?

What is your test app and what protocol does it use?

What performance do you get with mainline?

A tcpdump log is probably a good place to start. You might consider
cc:ing Ingo and possibly netdev.

-- 
Mathematics is the supreme nostalgia of our time.