From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=46536 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OMbuS-0003BG-L9 for qemu-devel@nongnu.org; Thu, 10 Jun 2010 03:10:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OMbuM-00070U-U4 for qemu-devel@nongnu.org; Thu, 10 Jun 2010 03:10:35 -0400 Received: from mx1.redhat.com ([209.132.183.28]:30624) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OMbuM-000703-NU for qemu-devel@nongnu.org; Thu, 10 Jun 2010 03:10:34 -0400 Message-ID: <4C109048.9060007@redhat.com> Date: Thu, 10 Jun 2010 10:12:08 +0300 From: Dor Laor MIME-Version: 1.0 Subject: Re: [Qemu-devel] Disable PS/2 mouse References: <4C0E3C75.7070209@dlh.net> <4C0F5082.2080403@dlh.net> <4C0F727B.5010302@redhat.com> <4C0F9B46.5080602@dlh.net> <4C0FA6C9.4070902@redhat.com> In-Reply-To: <4C0FA6C9.4070902@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Reply-To: dlaor@redhat.com List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gerd Hoffmann Cc: Peter Lieven , Markus Armbruster , qemu-devel@nongnu.org On 06/09/2010 05:35 PM, Gerd Hoffmann wrote: > Hi, > >> with 0.12.4 it is still the case that a total idle vm takes about 6-8% >> of a 2.4GHz Xeon Core. > > I see that order of magitude too, no matter whenever usb is on or off. > With older qemu and usbtablet it used to be up to 25%. Is it possible to dynamically control the refresh internally within qemu so VMs without a connected VNC client will have rare refreshes or no refresh at all? I hope it's not the OS who polls it. > > cheers, > Gerd > >