From owner-freebsd-questions@freebsd.org Sun Sep 12 13:02:58 2021 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id BFEC3665B8E for ; Sun, 12 Sep 2021 13:02:58 +0000 (UTC) (envelope-from freebsd@qeng-ho.org) Received: from mailout.qeng-ho.org (mailout.qeng-ho.org [217.155.128.244]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4H6qXd3LGqz4ZCG for ; Sun, 12 Sep 2021 13:02:57 +0000 (UTC) (envelope-from freebsd@qeng-ho.org) Received: from arthur.home.qeng-ho.org (unknown [IPv6:2a02:8010:64c9:1::2]) by mailout.qeng-ho.org (Postfix) with ESMTP id 667F899E99; Sun, 12 Sep 2021 14:02:43 +0100 (BST) Subject: Re: boot/shutdown times From: Arthur Chance To: Brian Wood , FreeBSD-Questions References: Message-ID: <0b6bde6f-a27b-134c-8671-f8e5784319ea@qeng-ho.org> Date: Sun, 12 Sep 2021 14:02:43 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4H6qXd3LGqz4ZCG X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of freebsd@qeng-ho.org designates 217.155.128.244 as permitted sender) smtp.mailfrom=freebsd@qeng-ho.org X-Spamd-Result: default: False [-3.30 / 15.00]; RCVD_TLS_LAST(0.00)[]; ARC_NA(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:217.155.128.240/29]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[qeng-ho.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; NEURAL_HAM_SHORT(-1.00)[-0.998]; RCPT_COUNT_TWO(0.00)[2]; FREEMAIL_TO(0.00)[gmail.com,freebsd.org]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:13037, ipnet:217.155.0.0/16, country:GB]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-questions] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 12 Sep 2021 13:02:58 -0000 On 12/09/2021 14:00, Arthur Chance wrote: > On 12/09/2021 00:34, Brian Wood wrote: >> I haven't measured, but it seems like boot and shutdown times >> have improved over the years, but that they are still a lot slower >> than Linux. Is there more that can be done to improve these >> times? Thanks. > > I don't know about shutdown times, but Colin Percival has been doing a > lot of work on boot times lately. Take a look at his recent Twitter feed > (@cperciva), including entries like this > > https://twitter.com/cperciva/status/1435719945912868864 > > and this > > https://twitter.com/cperciva/status/1436452578536013828 > [Forgot to copy reply to questions@] and also https://twitter.com/cperciva/status/1434743398489935875 https://twitter.com/cperciva/status/1435417195505278977 -- Nothing teaches one not to try to stamp out burning thermite quite like real-life experience. — James Davis Nicoll