Date: Tue, 24 Jan 2012 17:53:23 +0100 From: Marcin Markowski <mmarkowski@leon.pl> To: <freebsd-performance@freebsd.org> Subject: Re: Performance problem using Intel X520-DA2 Message-ID: <909994c3cdd84cb2c47ff8037c23e142@leon.pl> In-Reply-To: <jfmbam$37c$1@dough.gmane.org> References: <a231a44c6c803075c7b456a6189ff6ce@leon.pl> <CAFOYbcksi7KBpEjH=-hHEoTr35ynwYk98Ushw9nzR27H%2BGVBFA@mail.gmail.com> <jfmbam$37c$1@dough.gmane.org>
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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
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