Date: Tue, 11 Nov 2008 19:30:30 -0500 From: "Alexandre \"Sunny\" Kovalenko" <gaijin.k@gmail.com> To: Nenhum_de_Nos <matheus@eternamente.info> Cc: freebsd-acpi@freebsd.org Subject: Re: RFC: powerd algorithms enhancements Message-ID: <1226449830.1244.30.camel@RabbitsDen> In-Reply-To: <7d13c992592d1976010179b40b26c057.squirrel@cygnus.homeunix.com> References: <491404BF.1090807@FreeBSD.org> <49186111.9020103@root.org> <a9fa663801c704c0ec9a2a8af2b2c689.squirrel@10.1.1.10> <20081111161549.U70117@sola.nimnet.asn.au> <7d13c992592d1976010179b40b26c057.squirrel@cygnus.homeunix.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, 2008-11-11 at 15:56 -0200, Nenhum_de_Nos wrote: > On Tue, November 11, 2008 3:20 am, Ian Smith wrote: > > On Mon, 10 Nov 2008, Nenhum_de_Nos wrote: > > > as all you are talking about the subject, and I read all messages, is > > > there any module to load and make my AthlonXP 1700+ use less power ? > > > > > > running 7-STABLE, just a file server. any acpi-stuff I could enable > > would > > > be great, as I just use all its power when compiling ... > > > > What does 'sysctl hw.acpi dev.cpu' have to say? > [...] > [root@xxx ~]# 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.cx_supported: C1/0 C2/90 C3/900 > dev.cpu.0.cx_lowest: C1 > dev.cpu.0.cx_usage: 100.00% 0.00% 0.00% > [root@xxx ~]# > > if it rings any bells :) All I can suggest here is sysctl dev.cpu.0.cx_lowest="C3" or, if it gets you totally unresponsive machine, sysctl dev.cpu.0.cx_lowest="C2" how much of the power saving you will see from this is the separate question. -- Alexandre "Sunny" Kovalenko (Олександр Коваленко)
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1226449830.1244.30.camel>