From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:50660) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rpk83-0007Zs-Vl for qemu-devel@nongnu.org; Tue, 24 Jan 2012 12:26:00 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Rpk7x-0002C3-VN for qemu-devel@nongnu.org; Tue, 24 Jan 2012 12:25:55 -0500 Received: from moutng.kundenserver.de ([212.227.126.187]:62742) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rpk7x-0002Bg-CE for qemu-devel@nongnu.org; Tue, 24 Jan 2012 12:25:49 -0500 Message-ID: <4F1EE930.40002@rdsoftware.de> Date: Tue, 24 Jan 2012 18:24:00 +0100 From: Erik Rull MIME-Version: 1.0 References: <0N3oon-1SLIfp2hzg-00ckUZ@icpu819.kundenserver.de> In-Reply-To: <0N3oon-1SLIfp2hzg-00ckUZ@icpu819.kundenserver.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] git bisect results (was: Re: bad USB tablet update rate on qemu-1.0) List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: jan.kiszka@siemens.com Hi all, I assume that I found a possible source of the bad usbtablet update rate. I did some git bisectioning but I didn't get a usable result due to too many merges (or maybe my little knowledge to git), so I proceeded with some manual bisectioning by manually selecting commits and tested them. The problem was that the usbtablet update-rate in qemu-kvm-1.0 was really bad compared to qemu-kvm-0.15.0. The first commit where the cursor worked but the update rate was bad is 7cb78eec5cdf6e4131613c64cc1a29476f327242 Before this commit the usbtablet didn't work (no grabbing was possible). But in 0.15.0 it worked. So I continued searching for interesting points between these versions. One point was the SDL commit done 2011-08-05 by Jan Kiszka. There I found changes that affected the -full-screen option. So I took the version from the commit above and just started with the -full-screen option. And everything was fine (qemu-kvm-1.0 as well)! The update rate is very good with this option. But I was not able to find the real change that caused the bad update rate. Jan - is it possible to track down with this information the cause of the bad update rate? It seems to be related to SDL - the VNC option is working fine without -full-screen. I would like to work without the -full-screen option. Thanks. Best regards, Erik