From nobody Thu Mar 23 16:42:22 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 4PjB2m5kvkz41Y3v for ; Thu, 23 Mar 2023 16:42:24 +0000 (UTC) (envelope-from mjguzik@gmail.com) Received: from mail-ot1-x32e.google.com (mail-ot1-x32e.google.com [IPv6:2607:f8b0:4864:20::32e]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4PjB2m41x9z3Jdm; Thu, 23 Mar 2023 16:42:24 +0000 (UTC) (envelope-from mjguzik@gmail.com) Authentication-Results: mx1.freebsd.org; none Received: by mail-ot1-x32e.google.com with SMTP id m20-20020a9d6094000000b0069caf591747so12448499otj.2; Thu, 23 Mar 2023 09:42:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1679589743; h=cc:to:subject:message-id:date:from:references:in-reply-to :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=+l7A8CIzEK2lOcqeu/FUIjnaTrFFE86jW7pYBHWQHms=; b=i7s/spi9IUwL2A/ZKnwst2Nx50RmUrE/dMS8uWJDjMx7AFRCLHe6/+SyIdYiJSyNRz mUUQJynpZYIaWNRzW7wAYden87bC90GCWaLrCaGjm5d1rgIhNhakyg9yXb129ARjVTrw o1azHaUZqf/eOlXVf6EghKOz5v7emm59Rx7TbGcdEy4/EnCLBh2jHe48s1unJI7lgoix C5u71dW5xeoPzOM+SuEmf9xpy8hjFqq3wXPXtsMA+FnJ+9HQkBvGrAuEqhIVLz8+byXF W2AKFak5e8dfrhcJuwGeJ1FqMVGYYs0LBRcpKOFUW6f3STjl+RRQJzAFr1dst5Zz3bCn 7u3g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679589743; h=cc:to:subject:message-id:date:from:references:in-reply-to :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=+l7A8CIzEK2lOcqeu/FUIjnaTrFFE86jW7pYBHWQHms=; b=fTawMs6D31aSsTyNk3n/faZbybmwA3LtUZ7PHmvBObOsWyJjW5jiIBpOFw/WXHtNgx 1vZVf6qs3pKMj5zcLLaMO7HR3zM3lFFVo4S5QlgMGNqv+w2ftYBD6TYM2HrxWRZo1iPv OYkinqVd2DtrIQpGMuy8pC2i9fn+/0YRvHJ+BEzeIpiRQUJr2aOMRp4+KYs86DBtyGGS PwAuqcE80WSob1ExbClDN5MVLnhZBuJYdIbRo1ny4GPrVUucfVuTuBxnsBQ2ULzt6qAD KuT+rTQCTUt9wzoLFro+hMzMr3PEWdh0S7dLSZzk0OR9AN07nIuuXuUH59pcik0XeJcJ vFHg== X-Gm-Message-State: AO0yUKWASWIcFDGhpUB+zcTfR8o0ZgaEZKl+zYOGTXPAoicEZfmfhnul K0Wk3zyARF7vdtIVJliSJSe9anZAmT7y4JmRFSiHfKbA X-Google-Smtp-Source: AK7set+tk0p2VEinHdc2jJv5zry6Blko9ZdcSR9p3FDwVrQlZjpH0rMy+ArSlsOXybLYRd2yLG5dpsoYsTNNquAjjUg= X-Received: by 2002:a9d:63c5:0:b0:698:f988:7c30 with SMTP id e5-20020a9d63c5000000b00698f9887c30mr44854otl.2.1679589743425; Thu, 23 Mar 2023 09:42:23 -0700 (PDT) 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 Received: by 2002:a8a:1911:0:b0:49c:b071:b1e3 with HTTP; Thu, 23 Mar 2023 09:42:22 -0700 (PDT) In-Reply-To: References: <8173cc7e-e934-dd5c-312a-1dfa886941aa@FreeBSD.org> <8cfdb951-9b1f-ecd3-2291-7a528e1b042c@m5p.com> From: Mateusz Guzik Date: Thu, 23 Mar 2023 17:42:22 +0100 Message-ID: Subject: Re: Periodic rant about SCHED_ULE To: Konstantin Belousov Cc: sgk@troutmask.apl.washington.edu, Matthias Andree , freebsd-hackers@freebsd.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 4PjB2m41x9z3Jdm X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-ThisMailContainsUnwantedMimeParts: N On 3/23/23, Konstantin Belousov wrote: > On Thu, Mar 23, 2023 at 04:15:21AM +0100, Mateusz Guzik wrote: >> So I also ran the following setup: 8 core vm doing -j 8 buildkernel, >> while 8 nice -n 20 processes are cpu-bound. After the build ends >> workers report how many ops they did in that time. > Why nice? Did you tried with the idle class instead? > The original message reported numbers with -n 20 and it is not particularly unusual. -- Mateusz Guzik