From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1Mk4Nn-0002Di-RM for garchives@archives.gentoo.org; Sat, 05 Sep 2009 23:09:24 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 9EAFAE0AB3; Sat, 5 Sep 2009 23:09:22 +0000 (UTC) Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) by pigeon.gentoo.org (Postfix) with ESMTP id 6F7C6E0AB3 for ; Sat, 5 Sep 2009 23:09:22 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp.gentoo.org (Postfix) with ESMTP id EA91466DFF for ; Sat, 5 Sep 2009 23:09:21 +0000 (UTC) X-Virus-Scanned: amavisd-new at gentoo.org X-Spam-Score: -2.999 X-Spam-Level: X-Spam-Status: No, score=-2.999 required=5.5 tests=[AWL=-0.400, BAYES_00=-2.599] Received: from smtp.gentoo.org ([127.0.0.1]) by localhost (smtp.gentoo.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1d5ftEgq+SFU for ; Sat, 5 Sep 2009 23:09:15 +0000 (UTC) Received: from lo.gmane.org (lo.gmane.org [80.91.229.12]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.gentoo.org (Postfix) with ESMTP id 2B91B66355 for ; Sat, 5 Sep 2009 23:09:12 +0000 (UTC) Received: from list by lo.gmane.org with local (Exim 4.50) id 1Mk4NW-0000lq-Sf for gentoo-user@gentoo.org; Sun, 06 Sep 2009 01:09:06 +0200 Received: from athedsl-386504.home.otenet.gr ([79.131.61.198]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 06 Sep 2009 01:09:06 +0200 Received: from realnc by athedsl-386504.home.otenet.gr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 06 Sep 2009 01:09:06 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: gentoo-user@lists.gentoo.org From: Nikos Chantziaras Subject: [gentoo-user] Re: Kon Colivas is working again on a new scheduler for Desktop/Multimedia/Gaming PCs Date: Sun, 06 Sep 2009 02:08:42 +0300 Organization: Lucas Barks Message-ID: References: <200909051659.11070.volkerarmin@googlemail.com> <200909060048.40378.volkerarmin@googlemail.com> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: athedsl-386504.home.otenet.gr User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.1) Gecko/20090826 Thunderbird/3.0b3 In-Reply-To: <200909060048.40378.volkerarmin@googlemail.com> Sender: news X-Archives-Salt: 48daabed-476a-451f-9abf-06c9203097fd X-Archives-Hash: ab2cf4ee164901e043a6afbb7c05865e On 09/06/2009 01:48 AM, Volker Armin Hemmann wrote: > On Samstag 05 September 2009, Nikos Chantziaras wrote: >> On 09/05/2009 05:59 PM, Volker Armin Hemmann wrote: >>>> 1000 Hz timer freq >>> >>> change that to 300 >>> >>>> Did you mean tickless system with "noticks"? I have this enabled ATM >>> >>> deactivate that. >> >> Even with that, there still are problems. With composite enabled, move >> an mplayer window around and see how the video starts to skip big >> amounts of frames at the moment you start moving and when you "drop" it >> again. The compositor takes away CPU time and mplayer starves for a >> short time. BFS solves this. > > nope. No drops. vlc, xine, mplayer. At least no visible drop - and none of the > three is complaining. Well, not here. > But there is a pro-tip: use a non-broken X. aka one with > > fedora_dont_backfill_bg_none.patch I do use that. >> Also, have you considered that you got it all backwards? The kernel >> configuration tells you that for lower latencies, you should use 1000Hz >> and PREEMPT. It even says "Desktop" right there. Why should I take >> your word over that of the kernel devs who actually wrote that code? > > low latency means bad throughput and that hurts IO. GUI stalls still happen with high latency settings. Doesn't seem to matter; 300Hz, 1000Hz, tickless or not, PREEMPT or not, multicore scheduler or not, all the same. GUI stalls during load. It only goes away with Con's scheduler.