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Date: Tue, 24 Jan 2012 17:53:23 +0100
From: Marcin Markowski <mmarkowski@leon.pl>
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Subject: Re: Performance problem using Intel X520-DA2
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On 24.01.2012 14:22, Ivan Voras wrote:
>> On Mon, Jan 23, 2012 at 12:20 PM, Marcin 
>> Markowski<mmarkowski@leon.pl>wrote:
>
>>> (on 9.0 we can see also kernel thread named {ix0 que} using 100% 
>>> CPU),
>
>>> hw.ixgbe.num_queues=16
>
> If there really are 16 hardware queues, shouldn't there be 16 kernel
> threads for queue processing?

There are 16 threads, but only one of them consumes 100% CPU and the 
others
do not use more than 5% CPU:

http://pastebin.com/BWDWh8kW

The same test but on the Intel SR1630GP, 1 CPU Xeon X3450 and FreeBSD 
8.2:

http://pastebin.com/vLib1kqE

-- 
Marcin Markowski