Date: Mon, 15 Dec 2003 16:26:46 -0500 (EST) From: John Baldwin <jhb@FreeBSD.org> To: Nate Lawson <nate@root.org> Cc: acpi-jp@jp.freebsd.org Subject: RE: Power profile script Message-ID: <XFMail.20031215162646.jhb@FreeBSD.org> In-Reply-To: <20031213130351.N59162@root.org>
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On 13-Dec-2003 Nate Lawson wrote:
> I've implemented a script for changing power profiles in userland when you
> go on or off AC power. The defaults will just change the CPU idle states
> to the lowest power ones when off AC power. Throttling will stay at 100%.
> Of course, the user can override these in rc.conf. In the future, other
> power profile features will be maintained by the same script. You have to
> be running devd to use this.
>
> The special values LOW and HIGH refer to the lowest and highest performing
> settings for a given sysctl. So if a system has 8 throttling values, from
> 1 to 8, HIGH would be 8 and LOW would be 1. You can also specify a
> particular value ("2") if you know what you want.
>
> I'm mostly looking for style input on the /etc/power_profile script since
> I'm not familiar with our scripting guidelines. Note that it's called
> from devd (or manually by the user) and is not an rc.d boot-time thing.
This looks really cool! I do think Mike's suggestions on moving this to
/etc/rc.d/ and using functions from /etc/rc.subr might be a good thing
to do.
--
John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
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