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I just wonder, is it possible (using Linux 2.6) to limit overhead done by ethernet interface to one specific core. Ie. I have core2duo CPU, and two ethernet interfaces: eth0 and eth1. Is it possible to move system load caused by packets comming on eth0 to CPU0, so the other core (CPU1) will be idle?

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You probably don't want to do this, even if it is possible (which I'm sure it is, I haven't read the full article in the link).

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I have came across with this, but I don't believe it cover subject completly. It is just interrupt handling, not the overhead itself (packet needs to be parsed by kernel,iptables, and so on). Am i correct? What I want is to separate EVERY aspect of ethernet connection, not only the fact of creating connection. – user90960 Jul 21 '11 at 8:20
    
@user90960: Up to what level? In the end, do you want to restrict FireFox to CPU0 if-and-only-if it's rendering a webpage that was retrieved via eth0? IOW, can you clarify what you really want? What tangible benefit are you trying to achieve? – MSalters Jul 21 '11 at 13:04
    
I believe 3rd OSI level will be sufficient, but I get your point. – user90960 Jul 22 '11 at 6:40

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