From owner-freebsd-mobile@FreeBSD.ORG Wed Feb 4 15:34:46 2015 Return-Path: Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id CE880DA5 for ; Wed, 4 Feb 2015 15:34:46 +0000 (UTC) Received: from mail-pa0-f46.google.com (mail-pa0-f46.google.com [209.85.220.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 9EFB2882 for ; Wed, 4 Feb 2015 15:34:46 +0000 (UTC) Received: by mail-pa0-f46.google.com with SMTP id lj1so3430354pab.5 for ; Wed, 04 Feb 2015 07:34:40 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:sender:content-type:mime-version:subject:from :in-reply-to:date:cc:content-transfer-encoding:message-id:references :to; bh=VEZSGsgjnuxjc207CBMwAZaleRryIHlvf5AloF4s91M=; b=JNIJZRXUl8C8Ezxuec0fy/sWSuxVKiBAECx3fcVnhkYx+oq24WZ2qd59BrqkMkw1cU +8tVwD/OajZ+dZB2ogipmMUwhrtbmp4tNvdcwZpqexmMox6wUQJ7WRBiU1/l2REfraqY K2m53vgnm1xEGSQ1DdaYZ+LNa9tNzkPGdwdQ4E+sx7Q+10/n3qQe/8d3xOFA1cgli9DQ FsTa2kJYhDAmDVI0pKK+p8B8s5ZcUPa/p2N0Ah6QS3CyaD/pCgPOSXccFBGrn7bu8w4a U2bL1GvMz92WohEqyZUb4BTnrEpTRDBi1PlSuZoVX1ETq3+AuV7bIzPoJ2aXoc/FUiej qofg== X-Gm-Message-State: ALoCoQn9j/ZnEaXN9R/OCilYDh3GS/f041/CO4Tld4+vKpemZtEBzyNSlFSfGtf4lsI6hUfUb06F X-Received: by 10.68.106.226 with SMTP id gx2mr37956279pbb.78.1423064080289; Wed, 04 Feb 2015 07:34:40 -0800 (PST) Received: from [10.64.26.90] ([69.53.236.236]) by mx.google.com with ESMTPSA id o3sm2400898pde.7.2015.02.04.07.34.38 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 04 Feb 2015 07:34:39 -0800 (PST) Sender: Warner Losh Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2070.6\)) Subject: Re: freebsd-mobile Digest, Vol 539, Issue 2 From: Warner Losh In-Reply-To: <20150204225220.K38620@sola.nimnet.asn.au> Date: Wed, 4 Feb 2015 08:34:37 -0700 Content-Transfer-Encoding: quoted-printable Message-Id: References: <54D0CA65.10701@peercorpstrust.org> <20150203145011.GZ41565@e-new.0x20.net> <54D1C9FF.6030905@peercorpstrust.org> <20150204090848.GD41565@e-new.0x20.net> <20150204225220.K38620@sola.nimnet.asn.au> To: Ian Smith X-Mailer: Apple Mail (2.2070.6) Cc: PeerCorps Trust Fund , Lars Engels , freebsd-mobile@freebsd.org X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Feb 2015 15:34:46 -0000 > On Feb 4, 2015, at 5:06 AM, Ian Smith wrote: >=20 > On Wed, 4 Feb 2015 10:08:48 +0100, Lars Engels wrote: >> On Wed, Feb 04, 2015 at 09:27:59AM +0200, PeerCorps Trust Fund wrote: >>> Hi Lars, >>>=20 >>> Would you mind sharing what you are using for your powerd settings? >>=20 >> Sure. I followed the power saving tips from >> https://wiki.freebsd.org/TuningPowerConsumption >> and additionally run powerd with=20 >>=20 >> powerd_flags=3D"-a hiadaptive -b hiadaptive" >=20 > Lars, are you running that with p4tcc and acpi_throttle both disabled? >=20 > That is, what says `sysctl dev.cpu.0.freq_levels`? >=20 > On my X200 it's '2401/35000 2400/35000 1600/15000 800/12000' and I = found=20 > hiadaptive rather aggressive, where adaptive works fine for my use - = but=20 > of course everybody's use is different :) >=20 > powerd_flags=3D"-a adp -b adp -i 70 -r 90" The X+1 number (in this case 2401) is the turbo-mode speed. If you use = X, it disables the Turbo mode which causes the CPU to run faster until it gets too hot. = On my T400, I found that if I limit powerd to X instead of X+1, I have fewer heat = related issues when I=E2=80=99m doing things like building a kernel=E2=80=A6 Warner