From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LPzTL-0005Ku-Cl for qemu-devel@nongnu.org; Thu, 22 Jan 2009 08:19:51 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LPzTH-0005HY-HG for qemu-devel@nongnu.org; Thu, 22 Jan 2009 08:19:50 -0500 Received: from [199.232.76.173] (port=53664 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LPzTG-0005HR-R0 for qemu-devel@nongnu.org; Thu, 22 Jan 2009 08:19:47 -0500 Received: from caffeine.csclub.uwaterloo.ca ([129.97.134.17]:38240) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LPzTG-0001RV-FY for qemu-devel@nongnu.org; Thu, 22 Jan 2009 08:19:46 -0500 Received: from caffeine.csclub.uwaterloo.ca (localhost [127.0.0.1]) by caffeine.csclub.uwaterloo.ca (Postfix) with ESMTP id 660AE73E19 for ; Thu, 22 Jan 2009 08:19:39 -0500 (EST) Date: Thu, 22 Jan 2009 08:19:39 -0500 Subject: Re: [Qemu-devel] Re: Extremely slow graphic updates Message-ID: <20090122131938.GQ29175@csclub.uwaterloo.ca> References: <20090119162633.GO29175@csclub.uwaterloo.ca> <20090121212921.GL29175@csclub.uwaterloo.ca> <20090121214909.GO29175@csclub.uwaterloo.ca> <200901220020.29607.paul@codesourcery.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200901220020.29607.paul@codesourcery.com> From: lsorense@csclub.uwaterloo.ca (Lennart Sorensen) Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org On Thu, Jan 22, 2009 at 12:20:28AM +0000, Paul Brook wrote: > I fixed two things: > > r6373) Partial updates only update the effected area, not the whole screen. > This effects both local and remote displays. > > r6374) The virtual consoles coalesce multiple update regions into a single > region. This tends to effect both local and remote displays. > > If reverting the second patch "fixes" your problem then the bug is probably > still latent. I just made the colsole code less dumb so that it doesn't > matter so much in practice. As long as ssh -X over 100mbit is fast enough not to cause a problem, I am OK with it. I think part of the slowdown may also have to do with the lack of a timer in ppc emulation (and some others) which is being discussed by people that actually know what that means. :) -- Len Sorensen