From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bruno Ducrot Subject: Re: Re: Centrino speedstep Date: Thu, 30 Dec 2004 12:07:23 +0100 Message-ID: <20041230110723.GD19199@poupinou.org> References: <20041228212653.GA8436@dominikbrodowski.de> <41D30842.4040204@paranoici.org> <20041229205905.GA12181@dominikbrodowski.de> <20041229214629.GA21054@dominikbrodowski.de> <20041230074241.GB8464@dominikbrodowski.de> <20041230103003.GA8206@dominikbrodowski.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20041230103003.GA8206-X3ehHDuj6sIIGcDfoQAp7BvVK+yQ3ZXh@public.gmane.org> Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Dominik Brodowski Cc: Johan Vromans , acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org On Thu, Dec 30, 2004 at 11:30:03AM +0100, Dominik Brodowski wrote: > On Thu, Dec 30, 2004 at 10:32:20AM +0100, Johan Vromans wrote: > > Dominik Brodowski writes: > > > > > Yes, indeed. These seem to be the right places for modification. > > > > Okay, will do. > > > > However, that brings up an interesting question: what guarantees that > > the figures in the tables match the actual capabilities of the CPU? > > Currently, it seems that my 1.5Ghz CPU is happily running at 1.6Ghz. > > Run "x86info --mhz" and you'll most probably see the CPU runs at 1.5GHz > even though it is reported by ACPI as 1.6GHz. > Its maybe possible to get MSR MSR_IA32_PERF_STATUS and decode it in userspace? Cheers, -- Bruno Ducrot -- Which is worse: ignorance or apathy? -- Don't know. Don't care. ------------------------------------------------------- The SF.Net email is sponsored by: Beat the post-holiday blues Get a FREE limited edition SourceForge.net t-shirt from ThinkGeek. It's fun and FREE -- well, almost....http://www.thinkgeek.com/sfshirt