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Date:      Thu, 16 Jul 2020 16:17:24 +0700
From:      Eugene Grosbein <eugen@grosbein.net>
To:        Patrick Lamaiziere <patfbsd@davenulle.org>
Cc:        freebsd-net@freebsd.org
Subject:   Re: poor performance with Intel X520 card
Message-ID:  <360f91e6-6235-372f-eb39-f2fb308eaaef@grosbein.net>
In-Reply-To: <2746b70d-7072-a10b-5ec0-06c5c4917fc7@grosbein.net>
References:  <20200710084530.777ce321@mr185033.univ-rennes1.fr> <7b994967-17cd-8f4f-cb4d-8fcff349f7e9@grosbein.net> <20200716095732.728c0917@mr185033.univ-rennes1.fr> <2746b70d-7072-a10b-5ec0-06c5c4917fc7@grosbein.net>

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16.07.2020 16:03, Eugene Grosbein wrote:

> 16.07.2020 14:57, Patrick Lamaiziere wrote:
> 
>>> I'm sure pf is the bottle-neck. Try testing such card without any
>>> packet filter enabled and you'll see great difference definitely.
>>
>> That's not a good news as I don't see how to simplify the ruleset :(
>> But thanks anyway :)

ix0: netmap queues/slots: TX 8/2048, RX 8/2048

Also, there are no reasons to use default rxd/txd slot values (2048),
you should max it out with /boot/loader.conf, too:

hw.ix.rxd=4096
hw.ix.txd=4096

Assuming you run 64 bit system with 1GB memory or more.




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