Date: Thu, 6 May 2004 03:44:49 -0500 (CDT) From: Mike Silbersack <silby@silby.com> To: Nate Lawson <nate@root.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/acpica/Osd OsdSynch.csrc/sys/i386/include acpica_machdep.h src/sys/ia64/include acpica_machdep.h src/sys/amd64/include acpica_machdep.h Message-ID: <20040506034307.M811@odysseus.silby.com> In-Reply-To: <20040506011323.C39605@root.org> References: <200405052004.i45K4EnF029671@repoman.freebsd.org> <20040505171634.N37631@root.org> <20040506025051.V630@odysseus.silby.com> <20040506011323.C39605@root.org>
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On Thu, 6 May 2004, Nate Lawson wrote: > > Does devd receive lid status events? I'm thinking that it would be > > advantageous for my battery life if I could throttle the cpu down whenever > > the lid is closed. > > cat /etc/devd.conf: > # Examples of notify hooks. A notify is a generic way for a kernel > # subsystem to send event notification to userland. > > If you want to change CPU idle states and/or throttling on AC line > transition, see the appropriate values in /etc/rc.conf. But for one-offs > like lid to control CPU, using devd.conf and a small script is the way to > go. > > -Nate Good deal, it works as avertised. I even learned a bit of shell scripting in the process of writing a simple speed switching script. :) Of course, the real question is whether or not it'll actually help battery life at all; this is a mobile celeron, I suspect that I won't have much of an impact. Ah well. Mike "Silby" Silbersack
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