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From: Daniel Blueman <daniel.blueman@gmx.net>
To: Bill Davidsen <davidsen@tmr.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Gigabit/SMP performance problem
Date: Mon, 6 Jan 2003 20:09:20 +0100 (MET)	[thread overview]
Message-ID: <23239.1041880161@www5.gmx.net> (raw)
In-Reply-To: Pine.LNX.3.96.1030106132528.10550A-100000@gatekeeper.tmr.com

Even with HT turned off on this dual-Xeon box, all IRQs are routed to CPU 0.

Kernel here is the latest RedHat 2.4.18 one.

Just curious what kernel Avery is running...

Dan

> On 4 Jan 2003, Daniel Blueman wrote:
> 
> > It's interesting you have IRQs balanced over the two logical
> > processors. I can't get this on HT Xeons with stock RedHat 7.3 kernel.
> 
> I think he's using two physical processors, if by "logical processors" you
> are thinking HT... I also recall he has HT off, but the original post
> isn't handy.
> 
> > 
> > Can you post the exact kernel version string, please?
> > 
> > TIA,
> >   Dan
> > 
> > "Avery Fay" <avery_fay@symantec.com> wrote in message
>
news:<OF256CD297.9F92C038-ON85256CA3.006A4034-85256CA3.00705DEA@symantec.com>...
> > > Dual Pentium 4 Xeon at 2.4 Ghz. I believe I am using irq load
> balancing as 
> > > shown below (seems to be applied to Red Hat's kernel). Here's 
> > > /proc/interrupts:
> 
> -- 
> bill davidsen <davidsen@tmr.com>
>   CTO, TMR Associates, Inc
> Doing interesting things with little computers since 1979.
> 

-- 
Daniel J Blueman

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  reply	other threads:[~2003-01-06 19:00 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <b8ce5e32.0301040439.7bdaa903@posting.google.com>
2003-01-06 18:27 ` Gigabit/SMP performance problem Bill Davidsen
2003-01-06 19:09   ` Daniel Blueman [this message]
2003-01-06 19:26     ` Brian Tinsley
2003-01-08 21:44 Ronciak, John
2003-01-09 12:49 ` Robert Olsson
  -- strict thread matches above, loose matches on Subject: below --
2003-01-08 21:12 Feldman, Scott
2003-01-08 12:17 Jon Burgess
2003-01-06 20:38 Avery Fay
2003-01-07 18:15 ` Robert Olsson
2003-01-06 20:33 Avery Fay
2003-01-06 20:29 Avery Fay
2003-01-06 21:23 ` Martin J. Bligh
2003-01-07 17:19   ` Mike Black
2003-01-06 20:25 Avery Fay
2003-01-03 20:25 Avery Fay
2003-01-03 21:19 ` Arjan van de Ven
2003-01-03 21:36 ` Martin J. Bligh
2003-01-03 22:31   ` Andrew Theurer
2003-01-03 16:12 Avery Fay
2003-01-03 18:05 ` Martin J. Bligh
2003-01-03 21:49   ` Ron cooper
2003-01-03 21:47     ` Martin J. Bligh
2003-01-03 21:20 ` Robert Olsson
2003-01-04  3:33 ` Anton Blanchard
2003-01-06 19:43 ` Jon Fraser

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