From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from 63.mail-out.ovh.net ([91.121.185.56]) by linuxtogo.org with smtp (Exim 4.69) (envelope-from ) id 1PFB9G-00044H-KB for openembedded-devel@lists.openembedded.org; Sun, 07 Nov 2010 20:43:31 +0100 Received: (qmail 1816 invoked by uid 503); 7 Nov 2010 20:12:41 -0000 Received: from b9.ovh.net (HELO mail239.ha.ovh.net) (213.186.33.59) by 63.mail-out.ovh.net with SMTP; 7 Nov 2010 20:12:41 -0000 Received: from b0.ovh.net (HELO queueout) (213.186.33.50) by b0.ovh.net with SMTP; 7 Nov 2010 21:42:33 +0200 Received: from tal33-3-82-233-81-124.fbx.proxad.net (HELO ?192.168.2.15?) (ebenard%eukrea.com@82.233.81.124) by ns0.ovh.net with SMTP; 7 Nov 2010 21:42:31 +0200 Message-ID: <4CD70127.8060404@eukrea.com> Date: Sun, 07 Nov 2010 20:42:31 +0100 From: =?UTF-8?B?RXJpYyBCw6luYXJk?= User-Agent: Mozilla/5.0 (X11; U; Linux i686; fr; rv:1.9.2.12) Gecko/20101027 Thunderbird/3.1.6 MIME-Version: 1.0 To: openembedded-devel@lists.openembedded.org References: <1288864342-20973-1-git-send-email-eric@eukrea.com> <4CD2FAF0.4080905@freyther.de> <4CD305FC.7070305@eukrea.com> <4CD3CF1E.4040804@freyther.de> <4CD3D16C.70901@eukrea.com> <4CD3DA8D.5020300@freyther.de> In-Reply-To: <4CD3DA8D.5020300@freyther.de> X-Ovh-Tracer-Id: 83035119153556809 X-Ovh-Remote: 82.233.81.124 (tal33-3-82-233-81-124.fbx.proxad.net) X-Ovh-Local: 213.186.33.20 (ns0.ovh.net) X-SA-Exim-Connect-IP: 91.121.185.56 X-SA-Exim-Mail-From: eric@eukrea.com X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on discovery X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=3.2.5 X-SA-Exim-Version: 4.2.1 (built Wed, 25 Jun 2008 17:20:07 +0000) X-SA-Exim-Scanned: Yes (on linuxtogo.org) Subject: Re: [PATCH/RFC] qt4-embedded: tune QT_ARCH for armv6 X-BeenThere: openembedded-devel@lists.openembedded.org X-Mailman-Version: 2.1.11 Precedence: list Reply-To: openembedded-devel@lists.openembedded.org List-Id: Using the OpenEmbedded metadata to build Distributions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Nov 2010 19:43:32 -0000 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Hi, Le 05/11/2010 11:21, Holger Freyther a écrit : > 1.) record a trace (e.g. the qtdemo) you will need Qt/X11 for that (desktop, > device). But make sure that the qtdemo width/height fits on the screen. > > $ qttdemo -graphicssystem trace (exit the app normally) > > 2.) Use qttracereply to replay the trace, it will print nice FPS data. > > here are the results : Distro : angstrom-2010.x CPU : i.MX357 Kernel : Linux 2.6.36+patches trace generated using example concentriccirles (from qt4.7 X11 32bits sdk), screen resolution : 320x240 : concentriccircles -geometry 320x240 -graphicssystem trace bench : mount -o remount,ro / qttracereplay ./qtgraphics-106954754.trace -qws (run 5 times) => qt4.7 with armv6 arch : # qttracereplay ./qtgraphics-106954754.trace -qws Read paint buffer version 1 with 282 frames ./qtgraphics-106954754.trace, iterations: 3, frames: 282, min(ms): 7403, median(ms): 7405, stddev: 0.012733 %, max(fps): 38.092665 ./qtgraphics-106954754.trace, iterations: 3, frames: 282, min(ms): 7375, median(ms): 7376, stddev: 0.011070 %, max(fps): 38.237288 ./qtgraphics-106954754.trace, iterations: 3, frames: 282, min(ms): 7370, median(ms): 7371, stddev: 0.016920 %, max(fps): 38.263229 ./qtgraphics-106954754.trace, iterations: 3, frames: 282, min(ms): 7388, median(ms): 7389, stddev: 0.011050 %, max(fps): 38.170005 ./qtgraphics-106954754.trace, iterations: 3, frames: 282, min(ms): 7372, median(ms): 7373, stddev: 0.016915 %, max(fps): 38.252849 => qt4.7 with arm arch : # qttracereplay ./qtgraphics-106954754.trace -qws Read paint buffer version 1 with 282 frames ./qtgraphics-106954754.trace, iterations: 3, frames: 282, min(ms): 7435, median(ms): 7436, stddev: 0.010980 %, max(fps): 37.928716 ./qtgraphics-106954754.trace, iterations: 3, frames: 282, min(ms): 7431, median(ms): 7434, stddev: 0.022866 %, max(fps): 37.949132 ./qtgraphics-106954754.trace, iterations: 3, frames: 282, min(ms): 7456, median(ms): 7457, stddev: 0.010949 %, max(fps): 37.821888 ./qtgraphics-106954754.trace, iterations: 3, frames: 282, min(ms): 7423, median(ms): 7424, stddev: 0.010998 %, max(fps): 37.990031 ./qtgraphics-106954754.trace, iterations: 3, frames: 282, min(ms): 7417, median(ms): 7417, stddev: 0.050828 %, max(fps): 38.020763 Conclusion : no regression, nearly no improvement. Eric