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List:       linux-net
Subject:    how to round-robin irqs between cores on Core2Quad
From:       "Anton Glinkov" <lartc () ssi ! bg>
Date:       2007-11-02 16:45:14
Message-ID: 2999.217.79.89.183.1194021914.squirrel () mail ! ssi ! bg
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Hello,

I am building a linux-based router.
Intel Server Board S3000AH, Core2Quad Q6600.
The CPU has 2x4MB shared cache for 2x2 cores.
I want the irq of the first NIC to round-robin on the first two cores and
the other NIC on the other two, so I can use the shared cache to increase
the throughoutput, but all I was able to achieve is to move the IRQ
between the cores without any round-robin. iqrbalance does the same..
simply chooses one of the CPUs and stick the NIC to it. How can I set it
to round-robin?

-- 
Anton Glinkov
network administrator

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