From owner-freebsd-hackers@FreeBSD.ORG Sat Mar 28 22:49:49 2015 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 22534210 for ; Sat, 28 Mar 2015 22:49:49 +0000 (UTC) Received: from mail-ig0-x230.google.com (mail-ig0-x230.google.com [IPv6:2607:f8b0:4001:c05::230]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id D5E6C5FB for ; Sat, 28 Mar 2015 22:49:48 +0000 (UTC) Received: by igcau2 with SMTP id au2so51372432igc.1 for ; Sat, 28 Mar 2015 15:49:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=1G1X/cONbsyjoRChSixwwF6eF1QraQu048urPFKrzRc=; b=XGe25eJkV24YwDRenw0jiKK0XtUJdhGktBUwmco+J+yiLCLp7kjebYsR6NNdPk+RaY lXyz/3CKf6a7uJ66YOHoGOOcfCjkW1yHApDd9OZKGxTVOyfsvvPIyoGkjMbhfRL8VtBU y0+YVlIbYkSNTRC++l/EMU9aEeqECLh7i4hJV0WIUlLnMBt7rq0/LSerV34vC54x7xzr VuN0OVXDlIVvA8MWU6oC5IXvQ51M0z083GeFAS+Kulbtk4ihZsaNN7U0udGnLSoo/pBs CBhNyIWYCjd+a9kmqWayEDfX3NwQgCIueggJ5kFBaSRBAwNmWjKwRXCC0Z1hnvq8vcFT wntQ== MIME-Version: 1.0 X-Received: by 10.42.109.12 with SMTP id j12mr11705456icp.22.1427582988253; Sat, 28 Mar 2015 15:49:48 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.36.17.194 with HTTP; Sat, 28 Mar 2015 15:49:48 -0700 (PDT) In-Reply-To: <20150328224634.GH23643@zxy.spb.ru> References: <20150328183147.GC23643@zxy.spb.ru> <20150328192505.GD23643@zxy.spb.ru> <20150328194959.GE23643@zxy.spb.ru> <20150328201219.GF23643@zxy.spb.ru> <20150328221621.GG23643@zxy.spb.ru> <20150328224634.GH23643@zxy.spb.ru> Date: Sat, 28 Mar 2015 15:49:48 -0700 X-Google-Sender-Auth: Ah6R5tSoY-lngA0C4pE8XKvS2Ac Message-ID: Subject: Re: irq cpu binding From: Adrian Chadd To: Slawa Olhovchenkov Content-Type: text/plain; charset=UTF-8 Cc: "freebsd-hackers@freebsd.org" X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 28 Mar 2015 22:49:49 -0000 You should totally join #bsdcode on efnet and ask me about it. :) on RSS, this is what would happen: * ALL NICs RSS BUCKET 0 -> core 0 * ... * ALL NICs RSS BUCKET 7 -> core 7 Now, that's not really 100% optimal for NUMA and multiple PCIe controllers, but we're not there yet. Hopefully I can twist/cajole navdeep @ chelsio to continue doing a little more RSS work so I can teach cxgbe/cxl about RSS configuration, but ixgbe, igb and ixl all do the above when RSS is enabled. -adrian