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From: Nick Piggin <piggin@cyberone.com.au>
To: Ed Tomlinson <edt@aei.ca>
Cc: linux-kernel@vger.kernel.org, Ethan Weinstein <lists@stinkfoot.org>
Subject: Re: 2.6.1 and irq balancing
Date: Sun, 11 Jan 2004 14:38:44 +1100	[thread overview]
Message-ID: <4000C544.1040301@cyberone.com.au> (raw)
In-Reply-To: <200401102139.09883.edt@aei.ca>



Ed Tomlinson wrote:

>Hi,
>
>What is the load on the box when this is happening?  If its low think
>this is optimal (for cache reasons).
>  
>

I'd rather see different interrupt sources run on different CPUs
initially, which would help fairness a little bit, and should be
more optimal with big interrupt loads.


0:      xxx1     0      0      0
1:      0     xxx2      0      0
2:      0        0   xxx3      0
3:      0        0      0   xxx4

This would delay the need for interrupt balancing in the case where
2 or more interrupts are heavily used.



  reply	other threads:[~2004-01-11  3:39 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-01-10 23:14 2.6.1 and irq balancing Ethan Weinstein
2004-01-11  2:39 ` Ed Tomlinson
2004-01-11  3:38   ` Nick Piggin [this message]
2004-01-11  9:52     ` Arjan van de Ven
2004-01-11  5:19   ` Ethan Weinstein
2004-01-11  9:51 ` Arjan van de Ven
2004-01-11 16:50   ` Joe Korty
2004-01-11 18:19     ` Arjan van de Ven
2004-01-15 11:43     ` Pavel Machek
2004-01-11 13:14 ` Martin Schlemmer
  -- strict thread matches above, loose matches on Subject: below --
2004-01-11 23:59 Nakajima, Jun
2004-01-12  4:42 ` Bill Davidsen
2004-01-12 14:06   ` Zwane Mwaikambo
2004-01-12 16:10   ` Martin J. Bligh
2004-01-13  6:50 ` Ethan Weinstein
2004-01-13  7:05   ` Nick Piggin
2004-01-13  7:57 Nakajima, Jun
2004-01-13  8:09 Nakajima, Jun

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