From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcelo Tosatti Subject: Re: Houston, we have May 15, 1953 (says guest when host uses cpufreq, and dies) Date: Wed, 18 Feb 2009 16:32:00 -0300 Message-ID: <20090218193200.GA26654@amt.cnet> 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> <499C5F1A.50206@wpkg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org To: Tomasz Chmielewski Return-path: Received: from mx2.redhat.com ([66.187.237.31]:59116 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751550AbZBRTcp (ORCPT ); Wed, 18 Feb 2009 14:32:45 -0500 Content-Disposition: inline In-Reply-To: <499C5F1A.50206@wpkg.org> Sender: kvm-owner@vger.kernel.org List-ID: On Wed, Feb 18, 2009 at 08:18:50PM +0100, Tomasz Chmielewski wrote: > 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)? Possible, not planned AFAIK. > Someone may feel disappointed to see his/her brand new virtual guest has > a CPU with so few MHz advertised in /proc/cpuinfo. Thats a point.