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Date: Fri, 16 Apr 2010 09:42:05 -0400 From: jamal <hadi@...erus.ca> To: Eric Dumazet <eric.dumazet@...il.com> Cc: Changli Gao <xiaosuo@...il.com>, Rick Jones <rick.jones2@...com>, David Miller <davem@...emloft.net>, therbert@...gle.com, netdev@...r.kernel.org, robert@...julf.net, andi@...stfloor.org Subject: Re: rps perfomance WAS(Re: rps: question On Fri, 2010-04-16 at 08:32 +0200, Eric Dumazet wrote: > Le vendredi 16 avril 2010 à 14:02 +0800, Changli Gao a écrit : > > > resched IPI, apparently. But it is async absolutely. and its IRQ > > handler is lighter. > > > > You still dont answer to the question, and your claims are not grounded > by hard facts, but by your interpretation of code. My understanding of current scheduler is it does use IPIs to migrate tasks around - so thats why things may be working for Changli. i.e it is scheduler magic if you use kthreads. It is hard to say if this would work better... cheers, jamal -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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