From nobody Sun Mar 26 03:42:02 2023 X-Original-To: freebsd-hackers@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4Pkhfl6X3fz419gr for ; Sun, 26 Mar 2023 03:45:19 +0000 (UTC) (envelope-from pmc@citylink.dinoex.sub.org) Received: from uucp.dinoex.org (uucp.dinoex.org [IPv6:2a0b:f840::12]) (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-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "uucp.dinoex.sub.de", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Pkhfk4cLSz3NNw for ; Sun, 26 Mar 2023 03:45:18 +0000 (UTC) (envelope-from pmc@citylink.dinoex.sub.org) Authentication-Results: mx1.freebsd.org; dkim=none; spf=pass (mx1.freebsd.org: domain of pmc@citylink.dinoex.sub.org designates 2a0b:f840::12 as permitted sender) smtp.mailfrom=pmc@citylink.dinoex.sub.org; dmarc=none Received: from uucp.dinoex.org (uucp.dinoex.org [IPv6:2a0b:f840:0:0:0:0:0:12]) by uucp.dinoex.org (8.17.1/8.17.1) with ESMTPS id 32Q3j6RI085398 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO) for ; Sun, 26 Mar 2023 05:45:07 +0200 (CEST) (envelope-from pmc@citylink.dinoex.sub.org) X-MDaemon-Deliver-To: Received: (from uucp@localhost) by uucp.dinoex.org (8.17.1/8.17.1/Submit) with UUCP id 32Q3j6KD085396 for freebsd-hackers@freebsd.org; Sun, 26 Mar 2023 05:45:06 +0200 (CEST) (envelope-from pmc@citylink.dinoex.sub.org) Received: from disp.intra.daemon.contact (disp-e.intra.daemon.contact [IPv6:fd00:0:0:0:0:0:0:112]) by admn.intra.daemon.contact (8.17.1/8.17.1) with ESMTPS id 32Q3hdTf064576 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=OK) for ; Sun, 26 Mar 2023 05:43:39 +0200 (CEST) (envelope-from pmc@citylink.dinoex.sub.org) Received: from disp.intra.daemon.contact (localhost [127.0.0.1]) by disp.intra.daemon.contact (8.17.1/8.17.1) with ESMTPS id 32Q3g2ec016814 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO) for ; Sun, 26 Mar 2023 05:42:02 +0200 (CEST) (envelope-from pmc@citylink.dinoex.sub.org) Received: (from pmc@localhost) by disp.intra.daemon.contact (8.17.1/8.17.1/Submit) id 32Q3g2vN016813 for freebsd-hackers@freebsd.org; Sun, 26 Mar 2023 05:42:02 +0200 (CEST) (envelope-from pmc@citylink.dinoex.sub.org) X-Authentication-Warning: disp.intra.daemon.contact: pmc set sender to pmc@citylink.dinoex.sub.org using -f Date: Sun, 26 Mar 2023 05:42:02 +0200 From: Peter To: freebsd-hackers@freebsd.org Subject: Re: Periodic rant about SCHED_ULE Message-ID: List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Milter: Spamilter (Reciever: uucp.dinoex.org; Sender-ip: 0:0:2a0b:f840::; Sender-helo: uucp.dinoex.org;) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (uucp.dinoex.org [IPv6:2a0b:f840:0:0:0:0:0:12]); Sun, 26 Mar 2023 05:45:09 +0200 (CEST) X-Spamd-Result: default: False [-2.30 / 15.00]; FAKE_REPLY(1.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-0.997]; R_SPF_ALLOW(-0.20)[+mx]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[sub.org]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; FROM_EQ_ENVFROM(0.00)[]; TO_DN_NONE(0.00)[]; MLMMJ_DEST(0.00)[freebsd-hackers@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; HAS_XAW(0.00)[]; RCVD_COUNT_FIVE(0.00)[5]; ARC_NA(0.00)[]; ASN(0.00)[asn:205376, ipnet:2a0b:f840::/32, country:DE]; FROM_HAS_DN(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_LAST(0.00)[] X-Rspamd-Queue-Id: 4Pkhfk4cLSz3NNw X-Spamd-Bar: -- X-ThisMailContainsUnwantedMimeParts: N Quoting George Mitchell : On 3/25/23 11:47, Peter wrote: >> You're welcome. Can I get a success/failure report? >> >> >> [...] >Thanks for your help. Regretfully, I have to report that the patch >did not really help in my case (make buildworld while running dnetc). >But I have belatedly realized that it's a really good idea to use >make -j12 to build kernels and the world. With 4BSD and dnetc >running, I can now buildworld in 3512 seconds (down from 20477), and >with ULE in 14193 seconds (down from 50290). Peter's patch got it >down to 13755 seconds. Thank You for testing. So at least it doesn't make things worse. Back then 5 years ago when I made that, I think I've seen a few more strange things in that code, but they didn't bother me immanently at that point. Probably there is more work to do there...