From owner-freebsd-current@FreeBSD.ORG Mon Oct 12 01:51:50 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 32ED5106568D for ; Mon, 12 Oct 2009 01:51:50 +0000 (UTC) (envelope-from ler@lerctr.org) Received: from thebighonker.lerctr.org (thebighonker.lerctr.org [192.147.25.65]) by mx1.freebsd.org (Postfix) with ESMTP id 047BF8FC19 for ; Mon, 12 Oct 2009 01:51:49 +0000 (UTC) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=lerami; d=lerctr.org; h=Received:Received:Message-ID:In-Reply-To:References:Date:Subject:From:To:Cc:User-Agent:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Priority:Importance:X-Spam-Score:X-LERCTR-Spam-Score:X-Spam-Report:X-LERCTR-Spam-Report:DomainKey-Status; b=ZXWwPZC3haHYMYMkVKTzSmJCA4jgcZHTtNDHks+uip9tIHn/3r/0z6WF3hzXVnKpgoAKf0W88+rOzVlZrf4yblCNhMMSkJ48fX5o1jd2+3+BuWnNdbPEOxuerGnwJraazXZZjjqLgAqVcM9hz3C6xuEjukH8odKosd6G2LZ3Sj8=; Received: from localhost.lerctr.org ([127.0.0.1]:55187 helo=webmail.lerctr.org) by thebighonker.lerctr.org with esmtp (Exim 4.69 (FreeBSD)) (envelope-from ) id 1MxA4i-0009WZ-0q; Sun, 11 Oct 2009 20:51:49 -0500 Received: from 76.205.169.61 (SquirrelMail authenticated user ler) by webmail.lerctr.org with HTTP; Sun, 11 Oct 2009 20:51:48 -0500 Message-ID: In-Reply-To: <20091012014846.GB38325@troutmask.apl.washington.edu> References: <6729ad0409e449f8dbda69ecd8feb618.squirrel@webmail.lerctr.org> <20091012014846.GB38325@troutmask.apl.washington.edu> Date: Sun, 11 Oct 2009 20:51:48 -0500 From: "Larry Rosenman" To: "Steve Kargl" User-Agent: SquirrelMail/1.4.20-RC2 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal X-Spam-Score: -4.4 (----) X-LERCTR-Spam-Score: -4.4 (----) X-Spam-Report: SpamScore (-4.4/5.0) ALL_TRUSTED=-1.8,BAYES_00=-2.599 X-LERCTR-Spam-Report: SpamScore (-4.4/5.0) ALL_TRUSTED=-1.8,BAYES_00=-2.599 DomainKey-Status: no signature Cc: freebsd-current@freebsd.org Subject: Re: Scheduler weirdness X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Oct 2009 01:51:50 -0000 On Sun, October 11, 2009 8:48 pm, Steve Kargl wrote: > On Sun, Oct 11, 2009 at 05:59:52PM -0500, Larry Rosenman wrote: >> >> Ok, running RELENG_8 from Friday (10/9/2009). >> >> If I have 4 Folding-at-home processes running (they nice themselves) the >> system is slow as a dog. >> >> If I stop them, it's speedy. >> >> This is running SCHED_ULE >> >> is this expected? >> >> What can I do to help? >> > > How many cpus are available on your system? If you're in an > over-commit situation with numerical intensive applications, > you may find 4BSD to be a better option. 4 cpu's. $ sysctl dev.cpu dev.cpu.0.%desc: ACPI CPU dev.cpu.0.%driver: cpu dev.cpu.0.%location: handle=\_PR_.CPU0 dev.cpu.0.%pnpinfo: _HID=none _UID=0 dev.cpu.0.%parent: acpi0 dev.cpu.0.temperature: 50.0C dev.cpu.0.freq: 1867 dev.cpu.0.freq_levels: 1867/35000 1633/30625 1400/26250 1166/21875 933/17500 700/13125 466/8750 233/4375 dev.cpu.0.cx_supported: C1/1 dev.cpu.0.cx_lowest: C1 dev.cpu.0.cx_usage: 100.00% last 500us dev.cpu.1.%desc: ACPI CPU dev.cpu.1.%driver: cpu dev.cpu.1.%location: handle=\_PR_.CPU1 dev.cpu.1.%pnpinfo: _HID=none _UID=0 dev.cpu.1.%parent: acpi0 dev.cpu.1.temperature: 53.0C dev.cpu.1.cx_supported: C1/1 dev.cpu.1.cx_lowest: C1 dev.cpu.1.cx_usage: 100.00% last 500us dev.cpu.2.%desc: ACPI CPU dev.cpu.2.%driver: cpu dev.cpu.2.%location: handle=\_PR_.CPU2 dev.cpu.2.%pnpinfo: _HID=none _UID=0 dev.cpu.2.%parent: acpi0 dev.cpu.2.temperature: 54.0C dev.cpu.2.cx_supported: C1/1 dev.cpu.2.cx_lowest: C1 dev.cpu.2.cx_usage: 100.00% last 500us dev.cpu.3.%desc: ACPI CPU dev.cpu.3.%driver: cpu dev.cpu.3.%location: handle=\_PR_.CPU3 dev.cpu.3.%pnpinfo: _HID=none _UID=0 dev.cpu.3.%parent: acpi0 dev.cpu.3.temperature: 55.0C dev.cpu.3.cx_supported: C1/1 dev.cpu.3.cx_lowest: C1 dev.cpu.3.cx_usage: 100.00% last 500us $ > > -- > Steve > -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 512-248-2683 E-Mail: ler@lerctr.org US Mail: 430 Valona Loop, Round Rock, TX 78681-3893