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 9B4C5C678D4 for ; Wed, 1 Mar 2023 20:17:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230038AbjCAURH (ORCPT ); Wed, 1 Mar 2023 15:17:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51956 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229651AbjCAUQV (ORCPT ); Wed, 1 Mar 2023 15:16:21 -0500 Received: from mail.parknet.co.jp (mail.parknet.co.jp [210.171.160.6]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 702554FA93 for ; Wed, 1 Mar 2023 12:16:01 -0800 (PST) Received: from ibmpc.myhome.or.jp (server.parknet.ne.jp [210.171.168.39]) by mail.parknet.co.jp (Postfix) with ESMTPSA id 9A0802055F9C; Thu, 2 Mar 2023 05:15:45 +0900 (JST) Received: from devron.myhome.or.jp (foobar@devron.myhome.or.jp [192.168.0.3]) by ibmpc.myhome.or.jp (8.17.1.9/8.17.1.9/Debian-2) with ESMTPS id 321KFi0n133318 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Thu, 2 Mar 2023 05:15:45 +0900 Received: from devron.myhome.or.jp (foobar@localhost [127.0.0.1]) by devron.myhome.or.jp (8.17.1.9/8.17.1.9/Debian-2) with ESMTPS id 321KFiWh553350 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Thu, 2 Mar 2023 05:15:44 +0900 Received: (from hirofumi@localhost) by devron.myhome.or.jp (8.17.1.9/8.17.1.9/Submit) id 321KFgbu553342; Thu, 2 Mar 2023 05:15:42 +0900 From: OGAWA Hirofumi To: Paul Menzel Cc: LKML Subject: Re: Long mount time of ESP FAT partition In-Reply-To: (Paul Menzel's message of "Tue, 28 Feb 2023 14:00:06 +0100") References: Date: Thu, 02 Mar 2023 05:15:42 +0900 Message-ID: <87lekgxm6p.fsf@mail.parknet.co.jp> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Paul Menzel writes: > $ journalctl -b -u boot-efi.mount -o short-precise > Feb 28 11:19:14.014469 morley systemd[1]: Mounting boot-efi.mount - > /boot/efi... > Feb 28 11:19:15.550770 morley systemd[1]: Mounted boot-efi.mount - > /boot/efi. > ``` This mount is always slow? For example, simply unmount and mount by command is also slow after finished boot sequence? Since that operation of log would include too many syscalls, we have to find which syscall is slow. Then check the detail of it (e.g. I/O request). Thanks. -- OGAWA Hirofumi