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SubjectRe: [patch 1/4] - Potential performance bottleneck for Linxu TCP
On Thu, Nov 30, 2006 at 12:14:43PM -0800, David Miller (davem@davemloft.net) wrote:
> > 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.

Isn't it a step in direction of full tcp processing bound to process
context? :)

--
Evgeniy Polyakov
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