Messages in this thread | | | Date | Thu, 30 Nov 2006 12:14:43 -0800 (PST) | Subject | Re: [patch 1/4] - Potential performance bottleneck for Linxu TCP | From | David Miller <> |
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From: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Date: Thu, 30 Nov 2006 13:22:06 +0300
> It steals timeslices from other processes to complete tcp_recvmsg() > task, and only when it does it for too long, it will be preempted. > Processing backlog queue on behalf of need_resched() will break > fairness too - processing itself can take a lot of time, so process > can be scheduled away in that part too.
Yes, at this point I agree with this analysis.
Currently I am therefore advocating some way to allow full input packet handling even amidst tcp_recvmsg() processing. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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