From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: [RFC PATCH v2 00/17] latest qdisc patch series Date: Tue, 6 Jun 2017 07:30:15 +0300 Message-ID: <20170606072545-mutt-send-email-mst@kernel.org> References: <20170502153518.9304.17904.stgit@john-Precision-Tower-5810> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: eric.dumazet@gmail.com, netdev@vger.kernel.org, Jason Wang To: John Fastabend Return-path: Received: from mx1.redhat.com ([209.132.183.28]:40212 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750704AbdFFEaQ (ORCPT ); Tue, 6 Jun 2017 00:30:16 -0400 Content-Disposition: inline In-Reply-To: <20170502153518.9304.17904.stgit@john-Precision-Tower-5810> Sender: netdev-owner@vger.kernel.org List-ID: On Tue, May 02, 2017 at 08:36:03AM -0700, John Fastabend wrote: > I am not going to be able to work on this for a few days so I figured > it might be worth getting some feedback if there is any. Any thoughts > on how to squeeze a few extra pps out of this would be very useful. Batch dequeue into a temporary buffer, then scan this buffer and xmit without locks might be a good idea. It certainly helped vhost. You might need to requeue if you are unable to xmit, there's now support for this. -- MST