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From: Tom Herbert <therbert@google.com>
To: David Miller <davem@davemloft.net>
Cc: victor@inliniac.net, netdev@vger.kernel.org, willemb@google.com
Subject: Re: [PATCH 0/2] AF_PACKET fanout support
Date: Tue, 5 Jul 2011 20:13:27 -0700	[thread overview]
Message-ID: <CA+mtBx8www2eNp38EDuagYMQGSYivG7SN4ffozz4QtZPZqubSQ@mail.gmail.com> (raw)
In-Reply-To: <20110705.182041.1392492274453963565.davem@davemloft.net>

>> Also, another useful mode of steering would be to steer packets to a
>> socket which was recently processed by a thread running on the same
>> CPU; somewhat analogous to RFS (cc'ed WIllem Bruijn who is already
>> working on this I believe).
>
> This sounds like a good way to overload a local socket and prevent
> pushing the work to lesser used sockets on other cpus.
>
Sure, it you're not using RPS or RSS!  These should already be
distributing the RX work amongst CPUs.

  reply	other threads:[~2011-07-06  3:13 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-05  4:20 [PATCH 0/2] AF_PACKET fanout support David Miller
2011-07-06  0:46 ` Tom Herbert
2011-07-06  1:20   ` David Miller
2011-07-06  3:13     ` Tom Herbert [this message]
2011-07-06  3:19       ` David Miller
2011-07-06  4:07         ` Eric Dumazet
2011-07-06  6:44           ` David Miller
2011-07-06  6:55             ` David Miller

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