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Date:      Mon, 20 Mar 2006 16:44:30 +1100
From:      Michael Vince <mv@roq.com>
To:        OxY <oxy@field.hu>
Cc:        freebsd-net@freebsd.org, freebsd-performance@freebsd.org
Subject:   Re: packet drop with intel gigabit / marwell gigabit
Message-ID:  <441E413E.7090006@roq.com>
In-Reply-To: <000b01c64b83$62ccdd70$0201a8c0@oxy>
References:  <000a01c64a81$45eb6850$0201a8c0@oxy>	<9A8985D2-816C-4AF8-9E4A-116EA6BAEEE7@dragondata.com>	<000e01c64b76$f2247ee0$0201a8c0@oxy>	<20060319182105.H2181@maildrop.int.zabbadoz.net> <000b01c64b83$62ccdd70$0201a8c0@oxy>

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I use netperf which is a pure network traffic tester I also just use 
basic 'ab/apache' tests which would also test HD/IO if getting large files.
For the 'em' driver I have seen some posts/cvs commit updates to the 
driver saying it now works better without polling then with polling. I 
think this is in -stable but it might just be in current. I haven't done 
any testing for a while.



OxY wrote:

> i changed sk to em.
> how could i measure speed or benchmark the network performance?
>
> ----- Original Message ----- From: "Bjoern A. Zeeb" 
> <bzeeb-lists@lists.zabbadoz.net>
> To: "OxY" <oxy@field.hu>
> Cc: <freebsd-net@freebsd.org>; <freebsd-performance@freebsd.org>
> Sent: Sunday, March 19, 2006 7:26 PM
> Subject: Re: packet drop with intel gigabit / marwell gigabit
>
>
>> On Sun, 19 Mar 2006, OxY wrote:
>>
>> Hi,
>>
>>>> Just on a hunch, can you try putting the card in a different PCI  
>>>> slot? There may be interrupt routing issues.
>>>>
>>> okay, i will try it in a couple days
>>
>>
>> the card also has a sysctl for intr moderation. See man 4 sk. The
>> default changed with Pyun's updated driver, I think, but you could
>> play with that too.
>>
>> Further I still have the feeling that your measurings are not
>> comparable.
>>
>> -- 
>> Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT 
>
>
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