From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomasz Chmielewski Subject: Re: Houston, we have May 15, 1953 (says guest when host uses cpufreq, and dies) Date: Wed, 18 Feb 2009 20:18:50 +0100 Message-ID: <499C5F1A.50206@wpkg.org> References: <499C206A.5050109@wpkg.org> <20090218184611.GG25719@amt.cnet> <499C5917.4010700@wpkg.org> <20090218185734.GA26408@amt.cnet> <499C5C84.7010203@wpkg.org> <20090218191025.GB26408@amt.cnet> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Marcelo Tosatti Return-path: Received: from mx03.syneticon.net ([78.111.66.105]:36452 "EHLO mx03.syneticon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756215AbZBRTSp (ORCPT ); Wed, 18 Feb 2009 14:18:45 -0500 In-Reply-To: <20090218191025.GB26408@amt.cnet> Sender: kvm-owner@vger.kernel.org List-ID: Marcelo Tosatti schrieb: >> - what CPU frequency will the guests show? Current host frequency? Host >> frequency from the moment the guest booted (i.e. right now the guest >> will show 1GHz even if the host is running at 2GHz, or the way around)? > > Host frequency from the moment the guest booted, since the guest does > not receive frequency change notifications. Is it possible (or is it planned) to pass frequency to the guest (the one which is displayed in /proc/cpuinfo)? Someone may feel disappointed to see his/her brand new virtual guest has a CPU with so few MHz advertised in /proc/cpuinfo. -- Tomasz Chmielewski http://wpkg.org