Received: by 2002:a19:ef0c:0:0:0:0:0 with SMTP id n12csp950217lfh; Tue, 1 Feb 2022 12:51:49 -0800 (PST) X-Google-Smtp-Source: ABdhPJx90zq3VH6/tK1zF8SehfdUjHrsEB7K0kd2YHqY3vUPpEAMafzlulwuT39trMD8oqFoIcEM X-Received: by 2002:a17:907:948f:: with SMTP id dm15mr22463128ejc.52.1643748709136; Tue, 01 Feb 2022 12:51:49 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1643748709; cv=none; d=google.com; s=arc-20160816; b=SDuACB628cFxYJM/b1FFwRobK05CEQU97d16+fswiLcr+xVHp9AjBR7XdVsWPorv8e 2jBv+Q83uroMuSq21Q7/rn8VDeDsiLdOVG+MzuGiNSnA552DBGKnYv9CRyb6AmGWlqOc rsOvuvKuZKPq0WadJb+RxhMYlArZAi18BrKdMHHF516akqzKHzipNHn8Zdy7bK80kLNT dKq3pPJlWqkl0EJVYNzpTRcSVEJ2rhFpxQWMIIfBkKM2PhGWGDw1Bg01CjHThu+wEsu5 9D5NNqA5G+YkjpjdSKBaXFEOAdCGH1AjEEiZALKyk0ddBKqlYb2hbcKPfDgVdiNSKsda Guow== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :message-id:subject:cc:to:from:date:dkim-signature; bh=VY27a9A17In5BgSvUyU09D9m0ssnUM/5bRhbLZYqTF4=; b=v9ylELxItg4uIs3Mw9N5L0g58fml3cRAx4BEwevZVXmu34G/Gkubo87oAhqGbWCPrx YdgsiXgR7auA3tLoocsdLG75DE5o8LCySo/FXi7Rh2fbM/AXT3s7uOb5eAnswSXyuJa0 ZsAJdelPMP1F+7RUGiPBowTQxYfly75meCn9sWB10EqTfuGga7LRQEQ80O3CYN+wM85n w1hL8q+liKLRFYqM1HAVHrkZjrEEOBvAjU0FlOpYuwKtLiAAduZLwRqLNY6p+dNz3CJg N3Y0jao5H0z7QxyRix3JKVSRQT+wn5fG9uKVWiqbXGGCcaYQnIaH1ooTf2mocG8bKg87 zTtA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=qj1RwbOA; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id r29si9817075edx.471.2022.02.01.12.51.23; Tue, 01 Feb 2022 12:51:49 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=qj1RwbOA; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232374AbiAaWQv (ORCPT + 99 others); Mon, 31 Jan 2022 17:16:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60550 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231611AbiAaWQt (ORCPT ); Mon, 31 Jan 2022 17:16:49 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B952EC061714; Mon, 31 Jan 2022 14:16:49 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 13140B82CB6; Mon, 31 Jan 2022 22:16:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5486BC340E8; Mon, 31 Jan 2022 22:16:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1643667406; bh=l2z+lAUe/+F6BZPZI6f7qXZoGRCMMHhZIn0CHGQl3Nk=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=qj1RwbOA2eih9YWp46SPpm1Br65lLRzdJp20ake/jCWpIvH/YaXcdseDLHaGL1EV7 Q4RqxWvUglPguB2c0iD+Pu6siiVTc6sFUpdvdkSuAIcyQFEItUxRWex80yd0pp4/0u JkqrOxLUXVzGIPVaatF8vd59IV/4g+qYx1fyVvp6qBJB4aGwGpAvN+vbninrddAZBu wNSd72vZ2da8h+xKIDtXPNpWDN/oFVARuG3kX6UTx6Mg1y49nmuxb5ngKkjSqzMYIW FeKKqQK5jJw8veLLqLavjL4o/s99OmyKfUMxOG0F7zuQXT/OXLiX2xSfAXIYJEpRRj jLebys6Qd+8JQ== Date: Mon, 31 Jan 2022 16:16:44 -0600 From: Bjorn Helgaas To: Paul Menzel Cc: "Rafael J. Wysocki" , ACPI Devel Maling List , LKML , linux-pci@vger.kernel.org, regressions@lists.linux.dev Subject: Re: 100 ms boot time increase regression in acpi_init()/acpi_scan_bus() Message-ID: <20220131221644.GA516851@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 10, 2022 at 12:29:44PM +0100, Paul Menzel wrote: > PS: Do you know of GNU/Linux live systems that are available for all Linux > kernel releases and have an initrd, that just stores/uploads the output of > `dmesg`? That would be pretty slick. There is a collection of dmesg logs at https://github.com/linuxhw/Dmesg, mentioned earlier: https://lore.kernel.org/r/82035130-d810-9f0b-259e-61280de1d81f@redhat.com