From: "J.Hwan Kim" <frog1120@gmail.com>
To: netdev <netdev@vger.kernel.org>
Subject: Re: how to distribute irqs of ixgbevf
Date: Thu, 25 Aug 2011 19:19:13 +0900 [thread overview]
Message-ID: <4E5621A1.5050607@gmail.com> (raw)
In-Reply-To: <1314260481.2387.10.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC>
On 2011년 08월 25일 17:21, Eric Dumazet wrote:
> 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.
This is CPU load measured by "top" and my cores are 8.
PID USER PR NI VIRT RES SHR S %CPU %MEM
TIME+ COMMAND
3 root 20 0 0 0 0 R 99
0.0 70:05.48 ksoftirqd/0
prev parent reply other threads:[~2011-08-25 10:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-25 8:07 how to distribute irqs of ixgbevf J.Hwan Kim
2011-08-25 8:21 ` Eric Dumazet
2011-08-25 10:00 ` J.Hwan Kim
2011-08-25 10:19 ` J.Hwan Kim [this message]
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