From nobody Thu Mar 30 22:16:02 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 4Pnd6Y3jHdz42QVl for ; Thu, 30 Mar 2023 22:16:05 +0000 (UTC) (envelope-from mandree@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (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 (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Pnd6Y3Hv4z43Z2 for ; Thu, 30 Mar 2023 22:16:05 +0000 (UTC) (envelope-from mandree@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1680214565; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NIzFsZ6tctXPj1TubZX+CYrmVqOISPN2qXtIaMpZPX4=; b=faRDiSAVMqnUlWgT6t7mhxhUBGLrsD9rhMd6AtlaKg53pFJaSJhFx9GWtd1g8pB0qVMvIP uPHSH0rKEmItSVC/XBe6Rxo2jM10cpSKWJiHLi3JjQRmi0P6BvpBPH63g0y9X6i07qKYj8 vyaixdX6ZFNjsRK2eeotNtuVmNPGq5LbWhuL5VJ4mepNZ6Ijczah291bddbukgygsbx9Tw p2SKqFUFLLdjajYBWwZrQ7GcctmpMoxZi0OLZXEmUUI4k6J8qDk1BiWhNCxUqnT508Zfxy yyg86CVWH9j8X3IZBCHDqWJMq2PZP306DU8oYzO9S8BD8CDOuaIj5OnnpdiZwg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1680214565; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NIzFsZ6tctXPj1TubZX+CYrmVqOISPN2qXtIaMpZPX4=; b=eVs+3pK7oeT66qWNzifSLtt2QHkTk0aj2IlC9UuqIP9L/GkqrspwFaom2h+meBnK0nX0Z7 t1canXMR2mVBQJQiaPGx/+eY/iYs5ZNlW9Jo4wVmC8/QJETk/5BT7mLMptgsY3BqieDhC3 ELH9LYcq21i/fdh05L/cKYmgU94FiYHuGf3lqLHrhJ6MVk4P1ONFluk6PzarbrsD0u42/u 8v4u8ytOXuUZ8QSO94UqZaDuuKPiw2X5/ANesxJJS8rwZeorTl5iws2TiQv42WRU5oR0MI DDfU74JjUOoQMVUv8xMHn3InT6MJRbxA2CUSntZ59YT1KyFy1egnuiWAYMQ00g== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1680214565; a=rsa-sha256; cv=none; b=bolurTp+sln2MQNDSHrBYoZPYs+Rg/jbDqwQGDVomhQRiFI5UVcWUY+ZRM/ksVdkA4L5a5 cuYRQlzm0A78e9pFxmKmnNK1bi5ELBRHbAMgKAJXQa6fvfOP47Kr0DDeVLuFvmXPMKFhMh NkGXghGR0l07S686ZzQbPepvwoZYcx4JTopv0wiHe3zShNMISQRpmGskBX2I8TRSk+pEkm aSBtdMzu0ieuVuOnPpwOb6gBvdPCSp9Ixf6YRaSOu/H6Z68kK1TuvE/DqIHM5oDyhElwAs GyfWmqmKP4RieYJ4s/mXJuYk4Jb00x4UoYxPafo1wNRScCg3IcWF4QJlv/1ghw== Received: from mandree.no-ip.org (p200300d0271ebd00de65dff1a874e1cc.dip0.t-ipconnect.de [IPv6:2003:d0:271e:bd00:de65:dff1:a874:e1cc]) (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) (Authenticated sender: mandree/mail) by smtp.freebsd.org (Postfix) with ESMTPSA id 4Pnd6Y1SWvzlMm for ; Thu, 30 Mar 2023 22:16:05 +0000 (UTC) (envelope-from mandree@FreeBSD.org) Received: from [127.0.0.1] (localhost [127.0.0.1]) by ryzen.an3e.de (Postfix) with ESMTP id C3FCADD63B1 for ; Fri, 31 Mar 2023 00:16:02 +0200 (CEST) Message-ID: Date: Fri, 31 Mar 2023 00:16:02 +0200 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 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.0 Subject: Re: Periodic rant about SCHED_ULE Content-Language: en-US To: freebsd-hackers@freebsd.org References: <8173cc7e-e934-dd5c-312a-1dfa886941aa@FreeBSD.org> <8cfdb951-9b1f-ecd3-2291-7a528e1b042c@m5p.com> From: Matthias Andree Organization: FreeBSD.org In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ThisMailContainsUnwantedMimeParts: N Am 30.03.23 um 20:50 schrieb Mateusz Guzik: > Anyhow after sending the above e-mail an actual solution hit me: the X > server can tell the kernel what processes connect to it over the unix > socket, which again very well may be good enough. > > In the reports I got I found pulseaudio, this one may need to be > patched in a similar manner. Pulseaudio shouldn't need such stuff since it would either try to go into a real-time scheduling group (which I don't think SCHED_ULE would have), or do a (privileged) renice -11 to have considerable priority over non-privileged stuff. At least on Linux, that is. -- Matthias Andree FreeBSD ports committer