Re: SMPable version of EM driver

[Vladimir Ivanov]

Bill Marquette wrote:

[skip]
What type of performance differences are you seeing with these
changes?  Is this with FreeBSD acting as a router/firewall, or purely

RX queue is being processed w/more than one thread.
TX queue thread isn't locked with RX anymore.

Extra CPU time can be used by e.g. IPFW firewall or routing and so on.

Also:

+ RX/TX stay masked if there is no thread ready to catch interrupt.

+ RX and TX use different priority value. System seems to be more stable if RX scheduled w/less priority.

as a server?  Any chance you are using the pf filtering engine (which
I believe is still under giant in releng_6) with this?  Thanks

I have been talked that GIANT is a big problem for pf driver and they can not fix it easy.

Regards,
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Vladimir Ivanov
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