Received: by 2002:a05:7412:3b8b:b0:fc:a2b0:25d7 with SMTP id nd11csp349551rdb; Thu, 8 Feb 2024 07:42:34 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCVpYTowx2830yeTyVuL6BbHdLXFauCFX7ljR1YnhOoDMLCICDwlqejwgjZknl9iuMCkyg7rWaWp/5YZFZmGBq7sShDZviQzebp6IBxOjQ== X-Google-Smtp-Source: AGHT+IEEdQCXlIVPVEvshJw2FkxYDO1FtEerDPtQL4sBinFEcAufKPE1ZrzkpvYXOp8ywMAV8NEl X-Received: by 2002:a2e:9417:0:b0:2d0:b2e6:1133 with SMTP id i23-20020a2e9417000000b002d0b2e61133mr6475274ljh.24.1707406954112; Thu, 08 Feb 2024 07:42:34 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1707406954; cv=pass; d=google.com; s=arc-20160816; b=g09WeTZ6dbRhk8WmiZlkIzZVnxWbOcHQJH+WD5BbIJ2HqnjunqdFDcpLcFeZUuH2VE NNDZH3pGdcERntt2EYf5txUOQ6HmiSd3tlY6V3CeI00Lm6e4iz3DD2zVsQRjnuspIX6T JMu7Wo5sJb3r22q8u+RvSjRCjrvctp3RpMAJ/0ak+m/hAljeFzSy8aD4hOM2WjztjG7f 2kxdtE/3aF5aMw2EFd/M7GOJD7ZHLA+YK/lyF3UWpE2SIkF6Xns4t0shzr70t9P75BdK B1JbdFNNPnx/nj1wM83B1q4ZOPqq4sMUXRkL6u7s/LFjc6/tMigBa8bi4Nq7/kNE/ht8 cOaQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:date:message-id:dkim-signature; bh=7P2My9Jwi4NLy/LS+1P+uyLnPHJhLS/cL5tM5U1CnfI=; fh=FMFW4m24Ds3PO8q8YSy65sqQSW32u6E6Zj/EA5WuBqg=; b=UBUbYLhmxkDB1hkpcqFTOkV1rJ7eWztnm2YD9fDljFzwA4CvUqbTvFnBXbnfFo6Snr XvnddzWl1y2BvOmcZJtvc7Pn1WioGMDoyDG3ELfvhln7VfTcxJ71BjdcAtvjd04voEdn QNw0GSE4HJMhvkZE17y03xPoH+omY5Jr5giNN3i2UYS+G1wpwPc+yRZOh846rBE71kkx /jmv94g0GFq5nfpGaIL+ltAsWj6aYVJ5ZMjnMWcdhNOH7eYMAZlz8UZoEzWOO/lHkWkA N2+/UyqSxWZaCKgQVy9XFoyaqHXRc2EhTztvl2VwXrsqKtjJN2Ln3WB9fk0IaSQ6/kno 1cbQ==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=dpUTJHmm; arc=pass (i=1 dkim=pass dkdomain=intel.com dmarc=pass fromdomain=linux.intel.com); spf=pass (google.com: domain of linux-kernel+bounces-58297-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-58297-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Forwarded-Encrypted: i=2; AJvYcCVIwOiq8gfEij425JgvWRGcAvLYGwNBYA9ShmTVHuMNqMI+lmDfhBSsJhl9YnJaqbKpwWe4oJ+6ENcMnWyyx9nkV+ViLzWPgwJsWyQ5cw== Return-Path: Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [2604:1380:4601:e00::3]) by mx.google.com with ESMTPS id c20-20020a50d654000000b0055fb5939791si1033395edj.567.2024.02.08.07.42.34 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Feb 2024 07:42:34 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-58297-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=dpUTJHmm; arc=pass (i=1 dkim=pass dkdomain=intel.com dmarc=pass fromdomain=linux.intel.com); spf=pass (google.com: domain of linux-kernel+bounces-58297-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-58297-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id D3B2B1F21856 for ; Thu, 8 Feb 2024 15:42:33 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 5882D7D3EF; Thu, 8 Feb 2024 15:42:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="dpUTJHmm" Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B8FE97CF3B; Thu, 8 Feb 2024 15:42:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707406933; cv=none; b=HJ9lKbDye+VH+CKFcHh5psy+Ajg1oag8kPosmYOH+1oxL9mtxk+ZRhYdtkP12ILjSzNOfdvD/BGo9I2MFWR59WyM9dMeeh3zxXlzhZxyz76VBnZaYrBXlNdw7LGJtoQWW0aqJqjTOAtr028qDVvk1JWfa0atMr65o4+RrRmvjHY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707406933; c=relaxed/simple; bh=Gq/MeCq8tAdioyMIzNGvwfo3UL2xJNXqTKNa0zXA520=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=oR0Ay0Uf6GUbOmbPKXjpw8xIzd/t2BsrGgaXV88am6Z22sUj0v0GHJn3H542bmpZYumksypHOjewchUM7G5tqCgiZ6TlmiCU3k3jK+6F7hjpu1ujRw52WlLp867g7Z2PlbhRLQ5sWxXOT96p7wQLOZLsEl6Ozt2CY4dcxNJua5Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=dpUTJHmm; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1707406932; x=1738942932; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=Gq/MeCq8tAdioyMIzNGvwfo3UL2xJNXqTKNa0zXA520=; b=dpUTJHmmx+tUbSiGY3PZ+brOzgFB4qFXAT41Rq2edum36yCT/lWSJCbP 1TL3Rb2EviiZZ3LvvYW7SmkQ2lfi+cK+3n46gxf/O/FlBX9shEAYWtt7s heskK0oTM/aczEy1lcG6RtP3u03mNkkuEeVmR125fUf6CSSYBq3huSKUp CdfIUXH+DFaCEN1k41lurlQdrWx56aOXUZCscUW8O6kE2Umng+kra8kc+ EpAEMykH7u87Og+C77uavz4geBiG8eiDlMksmy01cXX3efy9HelexuIRS 7iP8WgIbXlFtEHStzQ3uvdldCp0uDPUjNsZY91CIITT3zzH2sRN53WFsw A==; X-IronPort-AV: E=McAfee;i="6600,9927,10978"; a="23721935" X-IronPort-AV: E=Sophos;i="6.05,254,1701158400"; d="scan'208";a="23721935" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Feb 2024 07:42:11 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10978"; a="934162468" X-IronPort-AV: E=Sophos;i="6.05,254,1701158400"; d="scan'208";a="934162468" Received: from mattu-haswell.fi.intel.com (HELO [10.237.72.199]) ([10.237.72.199]) by fmsmga001.fm.intel.com with ESMTP; 08 Feb 2024 07:42:08 -0800 Message-ID: Date: Thu, 8 Feb 2024 17:43:44 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0 Thunderbird/102.13.0 Subject: =?UTF-8?Q?Re=3a_This_is_the_fourth_time_I=e2=80=99ve_tried_to_find_?= =?UTF-8?Q?what_led_to_the_regression_of_outgoing_network_speed_and_each_tim?= =?UTF-8?Q?e_I_find_the_merge_commit_8c94ccc7cd691472461448f98e2372c75849406?= =?UTF-8?Q?c?= Content-Language: en-US To: Mikhail Gavrilov Cc: "Christian A. Ehrhardt" , niklas.neronin@linux.intel.com, Linux List Kernel Mailing , Greg KH , linux-usb@vger.kernel.org References: <2d87509a-1515-520c-4b9e-bba4cd4fa2c6@linux.intel.com> <1126ed0a-bfc1-a752-1b5e-f1339d7a8aa5@linux.intel.com> From: Mathias Nyman In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 8.2.2024 12.32, Mikhail Gavrilov wrote: > On Thu, Feb 8, 2024 at 2:23 PM Mathias Nyman > wrote: >> >> My guess is that CPU0 spends more time with interrupts disabled than other CPUs. >> Either because it's handling interrupts from some other hardware, or running >> code that disables interrupts (for example kernel code inside spin_lock_irq), >> and thus not able to handle network adapter interrupts at the same rate as CPU23 >> > > Can this be fixed? Not sure, I'm not that familiar with this area. Maybe running irqbalance could help? Thanks Mathias