From owner-freebsd-questions@FreeBSD.ORG Thu Nov 12 14:48:24 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 99D921065672 for ; Thu, 12 Nov 2009 14:48:24 +0000 (UTC) (envelope-from djr@pdconsec.net) Received: from ipmail02.adl6.internode.on.net (ipmail02.adl6.internode.on.net [203.16.214.140]) by mx1.freebsd.org (Postfix) with ESMTP id 1A3C18FC19 for ; Thu, 12 Nov 2009 14:48:23 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApoEAFus+0qWZcBC/2dsb2JhbADdJ4Q8BIFs Received: from goliath.pdconsec.net (HELO smtp.pdconsec.net) ([150.101.192.66]) by ipmail02.adl6.internode.on.net with SMTP; 13 Nov 2009 01:18:21 +1030 Received: from mail1.pdconsec.net ([192.168.1.41] helo=mail1.pdconsec.net) with IPv4:25 by smtp.pdconsec.net; 13 Nov 2009 00:23:16 +1100 Date: Fri, 13 Nov 2009 01:48:34 +1100 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message-ID: Content-class: urn:content-classes:message X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: atom based servers X-MimeOLE: Produced By Microsoft Exchange V6.5 Thread-Index: AcpjgPithsq5zyUmTuiqJAU9xlQlcgAJNPmN References: <4AFB3A2A.4040303@brianwhalen.net> <4AFBDFFF.9020603@chamonix.reportlab.co.uk> From: "David Rawling" To: "Robin Becker" Cc: freebsd-questions@freebsd.org Subject: RE: atom based servers X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Nov 2009 14:48:24 -0000 Robin Becker opined: ... >I have one of the Acer ION gadgets running at home and that also uses = the Atom=20 >330. I cannot find any nice way to reduce the power consumption though = as the=20 >330 doesn't seem to support speedstep and my cpu is always running at = 68C. Does >your board provide any power control opportunity? sysctl dev.cpu.0.freq reports that my CPU is running at 202 or 404MHz = generally: timeserver ~ 127# sysctl dev.cpu.0.freq dev.cpu.0.freq: 404 timeserver ~ 128# sysctl dev.cpu.0.freq_levels dev.cpu.0.freq_levels: 1618/-1 1415/-1 1213/-1 1011/-1 809/-1 606/-1 = 404/-1 202/-1 I notice the only C states are C0 and C1, and that it's generally = running in C1: timeserver ~ 136# sysctl dev.cpu.0 dev.cpu.0.%desc: ACPI CPU dev.cpu.0.%driver: cpu dev.cpu.0.%location: handle=3D\_PR_.CPU0 dev.cpu.0.%pnpinfo: _HID=3Dnone _UID=3D0 dev.cpu.0.%parent: acpi0 dev.cpu.0.freq: 202 dev.cpu.0.freq_levels: 1618/-1 1415/-1 1213/-1 1011/-1 809/-1 606/-1 = 404/-1 202/-1 dev.cpu.0.cx_supported: C1/0 dev.cpu.0.cx_lowest: C1 dev.cpu.0.cx_usage: 100.00% last 500us lmmon is not particularly helpful for anything on this board, but that = could be because I'm using the Generic kernel and /dev/smb0 is not present: timeserver ~ 134# lmmon -i Motherboard Temp Voltages 255C / 491F / 528K Vcore1: +3.984V Vcore2: +3.984V Fan Speeds + 3.3V: +3.984V + 5.0V: +6.654V 1: 0 rpm +12.0V: +15.938V 2: 0 rpm -12.0V: -15.938V 3: 0 rpm - 5.0V: -6.654V Do you have any other suggestions of tools I could use to help answer = your question? Perhaps the lack of other C states is causing the excess power = consumption (or perhaps your system is more heavily loaded)? I'm assuming for the sake = of simplicity that powerd is already enabled (I'm running with powerd_flags=3D"-i 85 = -r 60 -p 100")? Dave. -- David Rawling PD Consulting And Security Email: djr@pdconsec.net