Date: Fri, 8 Aug 2003 05:44:25 +1000 From: Rudolph Pereira <memetical@yahoo.com.au> To: Kevin Oberman <oberman@es.net> Cc: freebsd-mobile@freebsd.org Subject: Re: system power profile Message-ID: <20030807194425.GB610@starfleet.org.au> In-Reply-To: <20030807163525.131BA5D08@ptavv.es.net> References: <andreas.kohn@gmx.net> <1060258006.368.7.camel@klamath.ankon.homeip.net> <20030807163525.131BA5D08@ptavv.es.net>
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On Thu, Aug 07, 2003 at 09:35:25AM -0700, Kevin Oberman wrote: > But don't assume that the CPU is actually changing in response to the > change. I have seen multiple reports that some (many...all) systems > don't actually change CPU speed when this changes. > > I use gkrellm's gkx86info plug-in to monitor the CPU speed. The speed > on my system (and others from multiple vendors) is set by power status > at boot time and never changes until the system is re-booted. this is > true for both ACPI and APM. On my compaq presario 720, I see no throttling happening whatsoever. I've just tried booting off battery, and get exactly the same behaviour as when booting off ac and going to battery, i.e no cpu speed change, according to x86info
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