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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2BC17C3DA7A for ; Thu, 5 Jan 2023 17:37:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233461AbjAERhh (ORCPT ); Thu, 5 Jan 2023 12:37:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50152 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231854AbjAERhg (ORCPT ); Thu, 5 Jan 2023 12:37:36 -0500 Received: from mail-yb1-xb33.google.com (mail-yb1-xb33.google.com [IPv6:2607:f8b0:4864:20::b33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E75A6A195 for ; Thu, 5 Jan 2023 09:37:35 -0800 (PST) Received: by mail-yb1-xb33.google.com with SMTP id e76so4429594ybh.11 for ; Thu, 05 Jan 2023 09:37:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gooddata.com; s=google; h=cc:to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=LEe8LTVp6m/fM8HWc7MuZNc0hbwgXvDbUrSPuW0bCiA=; b=iRu46Ch0OWzuSwZRMenxtchb+7sHIFgDd9lV5cxXbDL0lVoRdMh47fR+2njDiistkk 8YNMaizPlvfpE8raxnRMCSwJOnnDNX2KbQIUSfjj9fR2FmytN2Qo5PEKd0uyuT8pR8Me V7RgoGOLi1ujpBQV9eJpV9RN5tzhY9IcjfL4E= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=LEe8LTVp6m/fM8HWc7MuZNc0hbwgXvDbUrSPuW0bCiA=; b=VthJw1ZhNlpa6creYmAeZlrlPauLoVOJH9RpKcoB/GUkJZPvDoQiX8C0EB8aElni0m 2x9bn2oNbtdXlXVxtSIB9GI+zuNnNYPsqfytfeamsl0325oCOd8jceZZK637bjfr0Lba 6STZ7qi6fDkSVHjOW+K5vVVLEEo0eCniZdfjIfVstvdKM3gv2V02F1yLOHLELG2MfQKu Nu3jvidtBLnZE2/vjIAVy5pn8AlWa2pCuGqLrDLrdEK/6XA+CiVGVivjCFpBV4NJ3yh0 uXCGHJT4ZIsl9Z3/reT28PgqzZgC5ode+4WqDBD+z3JMTT0oyj+AWDeInSIDQOAkzAuq kyuQ== X-Gm-Message-State: AFqh2kp/k1x2pXfGViQwH7XrJCS3PEmD/fKow3GA+tihtB/6JBv19uVZ ZF771Siiqqm08MD/FLvIqnc2JsQ2537KnqZToUW7FCzqKjKorg== X-Google-Smtp-Source: AMrXdXt5L8b4mTGCrM1Hoy2fE2RD+0ONJXSfjWxSLe92+rV7sdb4Nai0UupEWWyHlaZe3fi7jLbdHVHQkAopMo1Ha60= X-Received: by 2002:a25:73d3:0:b0:700:1dd4:bbfa with SMTP id o202-20020a2573d3000000b007001dd4bbfamr7081826ybc.455.1672940255072; Thu, 05 Jan 2023 09:37:35 -0800 (PST) MIME-Version: 1.0 From: Jaroslav Pulchart Date: Thu, 5 Jan 2023 18:37:09 +0100 Message-ID: Subject: Network performance regression with linux 6.1.y. Issue bisected to "5eddb24901ee49eee23c0bfce6af2e83fd5679bd" (gro: add support of (hw)gro packets to gro stack) To: edumazet@google.com, netdev@vger.kernel.org, lixiaoyan@google.com, pabeni@redhat.com, davem@davemloft.net Cc: Igor Raits Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello, I would like to report a 6.1,y regression in a network performance observed when using "git clone". BAD: "git clone" speed with kernel 6.1,y: # git clone git@github.com:..../.....git ... Receiving objects: 8% (47797/571306), 20.69 MiB | 3.27 MiB/s GOOD: "git clone" speed with kernel 6.0,y: # git clone git@github.com:..../.....git ... Receiving objects: 72% (411341/571306), 181.05 MiB | 60.27 MiB/s I bisected the issue to a commit 5eddb24901ee49eee23c0bfce6af2e83fd5679bd "gro: add support of (hw)gro packets to gro stack". Reverting it from 6.1.y branch makes the git clone fast like with 6.0.y. Best regards, -- Jaroslav Pulchart Sr. Principal SW Engineer GoodData