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Message-ID: <1314260481.2387.10.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC>
Date: Thu, 25 Aug 2011 10:21:21 +0200
From: Eric Dumazet <eric.dumazet@...il.com>
To: "J.Hwan Kim" <frog1120@...il.com>
Cc: netdev <netdev@...r.kernel.org>
Subject: Re: how to distribute irqs of ixgbevf
Le jeudi 25 août 2011 à 17:07 +0900, J.Hwan Kim a écrit :
> Hi, everyone
>
> The interrupts of my ixgbevf driver occurs only Core 0
> although the user space "irqbalance" serivce is working.
>
> How can I distribute the interrupt of RX in ixgbevf to all cores?
>
> cat /proc/interrupts | grep "isv"
> 97: 8 0 0 0 0
> 0 0 0 PCI-MSI-edge isv0-rx-0
> 99: 7 0 0 0 0
> 0 0 0 PCI-MSI-edge isv0:lsc
> 103: 2059 0 0 0 0
> 0 0 0 PCI-MSI-edge isv2-rx-0
> 104: 14 0 0 0 0
> 0 0 0 PCI-MSI-edge isv2-tx-0
> 105: 1 0 0 0 0
> 0 0 0 PCI-MSI-edge isv2:mbx
>
> "isv" is netdevice name of my ixgbevf.
>
>
Given load is very small, irqbalance chose to send interrupts on a
single cpu.
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