Re: [Pv-drivers] rps and pvdrivers

Chetan Loke
2010-09-04T15:27:41Z

On Sat, Sep 4, 2010 at 10:31 AM, Eric Dumazet <eric.dumazet@gmail.com> wrote:
> Nope. Because if each packet goes through two cpus instead of one before
> being queued to socket queue, you pay overhead and memory trafic between
> these cpus.

But if an interface is set in promisc-mode then why split the flows?
And if rps is not enabled(which by default it isn't) then everything
should just work as before.

>
> This is the reason why RPS is not automatically switched on. It might be
> slower on some workloads.
>
I'm now generating multi-flow traffic pattern and still the same.

Chetan