From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263603AbUEXTba (ORCPT ); Mon, 24 May 2004 15:31:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263946AbUEXTb0 (ORCPT ); Mon, 24 May 2004 15:31:26 -0400 Received: from zero.aec.at ([193.170.194.10]:33029 "EHLO zero.aec.at") by vger.kernel.org with ESMTP id S263603AbUEXTbZ (ORCPT ); Mon, 24 May 2004 15:31:25 -0400 To: MalteSch@gmx.de cc: linux-kernel@vger.kernel.org Subject: Re: Bad X-performance on 2.6.6 & 2.6.7-rc1 on x86-64 References: <1ZqbC-5Gl-13@gated-at.bofh.it> From: Andi Kleen Date: Mon, 24 May 2004 21:31:21 +0200 In-Reply-To: <1ZqbC-5Gl-13@gated-at.bofh.it> (Malte =?iso-8859-1?Q?Schr=F6der's?= message of "Mon, 24 May 2004 18:10:08 +0200") Message-ID: User-Agent: Gnus/5.110003 (No Gnus v0.3) Emacs/21.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Malte Schröder writes: > Hi, > I build a 64-bit kernel (using gcc 3.3.3) on debian/sid for an Athlon 64 3200+. The System has a Radeon 9800pro as graphics card. > When playing videos using xine in full PAL-Resolution these videos run choppy, top then shows a cpuload of roughly 50% system and 50% user. I would suggest using oprofile to find out where the CPU time is going. 2.6.7rc1 had a fix to help performance with hardware accelerated DVD playback on x86-64, but apparently that's not what you're doing. -Andi