From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 375E2C63697 for ; Tue, 17 Nov 2020 21:20:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B8AEF24631 for ; Tue, 17 Nov 2020 21:20:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="ORN69zNJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726278AbgKQVUH (ORCPT ); Tue, 17 Nov 2020 16:20:07 -0500 Received: from mail.kernel.org ([198.145.29.99]:52084 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725747AbgKQVUH (ORCPT ); Tue, 17 Nov 2020 16:20:07 -0500 Content-Type: text/plain; charset="utf-8" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605648006; bh=vvL09pv+PUiatC6tOx3OTbDVczBs3wy7hASTiHNjRog=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=ORN69zNJQEp34S/2K26auXAYHGry1w8ZitiSGVyS8jjWLgeNjg25UsX/g3CbSSv/O 8lP01tJ1N2bahs11zjalxpK/wYaAeJr2FMUIR0Caz9OhYs++7tLt0H9udhcj5r62OC Vk06PTjZu/Tk8uh0YMwT20KrzLUNVt8HRG/PzjJs= MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next v3 0/5] xsk: i40e: Tx performance improvements From: patchwork-bot+netdevbpf@kernel.org Message-Id: <160564800642.24253.1580711036123652762.git-patchwork-notify@kernel.org> Date: Tue, 17 Nov 2020 21:20:06 +0000 References: <1605525167-14450-1-git-send-email-magnus.karlsson@gmail.com> In-Reply-To: <1605525167-14450-1-git-send-email-magnus.karlsson@gmail.com> To: Magnus Karlsson Cc: magnus.karlsson@intel.com, bjorn.topel@intel.com, ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org, jonathan.lemon@gmail.com, kuba@kernel.org, john.fastabend@gmail.com, bpf@vger.kernel.org, jeffrey.t.kirsher@intel.com, anthony.l.nguyen@intel.com, maciej.fijalkowski@intel.com, maciejromanfijalkowski@gmail.com, intel-wired-lan@lists.osuosl.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Hello: This series was applied to bpf/bpf-next.git (refs/heads/master): On Mon, 16 Nov 2020 12:12:42 +0100 you wrote: > This patch set improves the performance of mainly the Tx processing of > AF_XDP sockets. Though, patch 3 also improves the Rx path. All in all, > this patch set improves the throughput of the l2fwd xdpsock > application by around 11%. If we just take a look at Tx processing part, > it is improved by 35% to 40%. > > Hopefully the new batched Tx interfaces should be of value to other > drivers implementing AF_XDP zero-copy support. But patch #3 is generic > and will improve performance of all drivers when using AF_XDP sockets > (under the premises explained in that patch). > > [...] Here is the summary with links: - [bpf-next,v3,1/5] samples/bpf: increment Tx stats at sending https://git.kernel.org/bpf/bpf-next/c/90da4b3208d3 - [bpf-next,v3,2/5] i40e: remove unnecessary sw_ring access from xsk Tx https://git.kernel.org/bpf/bpf-next/c/f320460b9489 - [bpf-next,v3,3/5] xsk: introduce padding between more ring pointers https://git.kernel.org/bpf/bpf-next/c/b8c7aece29bc - [bpf-next,v3,4/5] xsk: introduce batched Tx descriptor interfaces https://git.kernel.org/bpf/bpf-next/c/9349eb3a9d2a - [bpf-next,v3,5/5] i40e: use batched xsk Tx interfaces to increase performance https://git.kernel.org/bpf/bpf-next/c/3106c580fb7c You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html