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Date:      Tue, 28 Oct 2008 12:49:21 +0200
From:      Oleksandr Samoylyk <oleksandr@samoylyk.sumy.ua>
To:        Ivan Voras <ivoras@freebsd.org>
Cc:        freebsd-net@freebsd.org, jfvogel@gmail.com
Subject:   Re: two NIC on 2 core system (scheduling problem)
Message-ID:  <4906EE31.3080400@samoylyk.sumy.ua>
In-Reply-To: <4906EC8D.7070503@freebsd.org>
References:  <200810281235.53508.gizmen@blurp.pl> <4906EC8D.7070503@freebsd.org>

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Ivan Voras wrote:
> Bartosz Giza wrote:
> 
>> Another question is why em0 taskq is eating so much cpu ? BGE interface is 
>> actually one that pushes 2 times more packets than em0 and it uses about 
>> half cpu comparing to em0. Is that not strange ?
>> Could someone tell my why is this happening ? BGE is faster ? or maybe i can 
>> tune some
> 
> I have the same problem - em0 taskq eating incredible amounts of CPU. If
> you find a solution, contact me!
> 
> 

It could be not just a problem with em driver.
Firstly, it's good to make profiling and find out what exactly eats CPU 
time.

-- 
  Oleksandr Samoylyk
  OVS-RIPE



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