From nobody Tue Nov 22 16:03:39 2022 X-Original-To: freebsd-current@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 4NGpw65wL6z4hyFs for ; Tue, 22 Nov 2022 16:03:50 +0000 (UTC) (envelope-from junchoon@dec.sakura.ne.jp) Received: from www121.sakura.ne.jp (www121.sakura.ne.jp [153.125.133.21]) (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 4NGpw51NRKz3Fw1 for ; Tue, 22 Nov 2022 16:03:48 +0000 (UTC) (envelope-from junchoon@dec.sakura.ne.jp) Authentication-Results: mx1.freebsd.org; dkim=none; spf=none (mx1.freebsd.org: domain of junchoon@dec.sakura.ne.jp has no SPF policy when checking 153.125.133.21) smtp.mailfrom=junchoon@dec.sakura.ne.jp; dmarc=none Received: from kalamity.joker.local (123-1-88-210.area1b.commufa.jp [123.1.88.210]) (authenticated bits=0) by www121.sakura.ne.jp (8.16.1/8.16.1/[SAKURA-WEB]/20201212) with ESMTPA id 2AMG3eSk065558; Wed, 23 Nov 2022 01:03:40 +0900 (JST) (envelope-from junchoon@dec.sakura.ne.jp) Date: Wed, 23 Nov 2022 01:03:39 +0900 From: Tomoaki AOKI To: Johan Hendriks Cc: freebsd-current@freebsd.org Subject: Re: ULE realtime scheduler advice needed Message-Id: <20221123010339.94a22d59cca8e225f0669aee@dec.sakura.ne.jp> In-Reply-To: <600fd39e-d22c-4626-fa88-9af6aea7e432@gmail.com> References: <7ad10a5e-29d6-aaef-25cf-407d65f056cc@selasky.org> <2863b1e9-f18f-11c7-6f0d-364030103806@selasky.org> <600fd39e-d22c-4626-fa88-9af6aea7e432@gmail.com> Organization: Junchoon corps X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; amd64-portbld-freebsd13.0) List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Spamd-Result: default: False [-1.60 / 15.00]; AUTH_NA(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-0.998]; MV_CASE(0.50)[]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_TWO(0.00)[2]; MLMMJ_DEST(0.00)[freebsd-current@freebsd.org]; R_DKIM_NA(0.00)[]; FREEMAIL_TO(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; HAS_ORG_HEADER(0.00)[]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; ASN(0.00)[asn:7684, ipnet:153.125.128.0/18, country:JP]; TO_DN_SOME(0.00)[]; DMARC_NA(0.00)[sakura.ne.jp]; TAGGED_RCPT(0.00)[]; R_SPF_NA(0.00)[no SPF record]; MID_RHS_MATCH_FROM(0.00)[] X-Rspamd-Queue-Id: 4NGpw51NRKz3Fw1 X-Spamd-Bar: - X-ThisMailContainsUnwantedMimeParts: N On Tue, 22 Nov 2022 13:15:33 +0100 Johan Hendriks wrote: > > On 21/11/2022 21:24, Hans Petter Selasky wrote: > > On 11/21/22 20:12, Mark Johnston wrote: > >> There were some bug fixes earlier this year to address problems where > >> high-priority threads were not getting scheduled quickly enough.  If > >> you're using an old kernel, they might improve things: > > > > Are any of these fixes merged to stable/13 ? > > > > --HPS > > > It looks like it. > https://freshbsd.org/freebsd/src?q=sched_ule.c Or track PR on Bugzilla via commit logs on main (pointed by markj@) instead of Differential Revision on Phablicator. Phab shouldn't know about branches other than main this case. On Bugzilla, we can see each of them MFC'ed to stable/13 with second commit-hook. -- Tomoaki AOKI