linux-kernel - Re: CONFIG_IRQBALANCE for 64-bit x86 ?

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Message-ID: <20071120135839.08837372@laptopd505.fenrus.org>
Date:	Tue, 20 Nov 2007 13:58:39 -0800
From:	Arjan van de Ven <arjan@...radead.org>
To:	Mark Lord <lkml@....ca>
Cc:	Nick Piggin <nickpiggin@...oo.com.au>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...l.org>,
	Ingo Molnar <mingo@...e.hu>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: CONFIG_IRQBALANCE for 64-bit x86 ?

On Tue, 20 Nov 2007 15:02:43 -0500
Mark Lord <lkml@....ca> wrote:
> ..
> 
> Well, for my dualCore notebook, dualCore MythTV box, and QuadCore
> desktop, the behaviour of the existing, working, 32-bit kernel
> IRQBALANCE code outperforms the userspace utility.
> 
> Mostly, I suspect, due to it's much faster response to changing
> conditions. That's something the external one could try to match, but
> at present it seems tuned specifically for high-traffic network
> servers, not for the average notebook or desktop.

I'd really like to see what it's doing before commenting on this;
at minimum can you give me the /proc/interrupts of the system?
It might a simple bug or simple missing item, not a total "scratch the
full system".


-- 
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