Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261669AbUJaWMV (ORCPT ); Sun, 31 Oct 2004 17:12:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261668AbUJaWMO (ORCPT ); Sun, 31 Oct 2004 17:12:14 -0500 Received: from relay02.pair.com ([209.68.5.16]:62472 "HELO relay02.pair.com") by vger.kernel.org with SMTP id S261666AbUJaWMC (ORCPT ); Sun, 31 Oct 2004 17:12:02 -0500 X-pair-Authenticated: 66.190.53.4 Message-ID: <4185632B.4020407@cybsft.com> Date: Sun, 31 Oct 2004 16:11:55 -0600 From: "K.R. Foley" User-Agent: Mozilla Thunderbird 0.8 (X11/20040913) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Ingo Molnar CC: Florian Schmidt , Lee Revell , Paul Davis , Thomas Gleixner , LKML , mark_h_johnson@raytheon.com, Bill Huey , Adam Heath , Michal Schmidt , Fernando Pablo Lopez-Lezcano , Karsten Wiese , jackit-devel , Rui Nuno Capela Subject: Re: [Fwd: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.4] References: <20041030115808.GA29692@elte.hu> <1099158570.1972.5.camel@krustophenia.net> <20041030191725.GA29747@elte.hu> <20041030214738.1918ea1d@mango.fruits.de> <1099165925.1972.22.camel@krustophenia.net> <20041030221548.5e82fad5@mango.fruits.de> <1099167996.1434.4.camel@krustophenia.net> <20041030231358.6f1eeeac@mango.fruits.de> <1099171567.1424.9.camel@krustophenia.net> <20041030233849.498fbb0f@mango.fruits.de> <20041031120721.GA19450@elte.hu> In-Reply-To: <20041031120721.GA19450@elte.hu> X-Enigmail-Version: 0.86.1.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2615 Lines: 62 Ingo Molnar wrote: > * Florian Schmidt wrote: > > >>On Sat, 30 Oct 2004 17:26:06 -0400 >>Lee Revell wrote: >> >> >>>OK this is pretty sweet. With T3 the jitter never exceeds 7% on an idle >>>system. As soon as I start moving the mouse this goes to 7 or 8%. I >>>cannot get it to go higher than 10%. Moving windows around has no >>>effect, the highest jitter happens when I type or move the mouse really >>>fast IOW it corresponds to the interrupt rate. >>> >>>This is a pretty good baseline for what an xrun-free system would look >>>like. Now to test the latest version... >> >>Well, >> >>on V0.5.16 i see something like the below output (which is much worse). It >>seems that missed irq's with rtc show up at the same time as the xruns in >>jackd do [i ran both jackd and wakeup in parallel]. > > > ok, could you try the -RT-V0.6.0 patch i've just uploaded? It could i > believe improve these latencies. > > Ingo > - I am not able to get V0.6.2 to boot on my SMP system here. There is no indication as to why. It just locks. I don't see anything in the log that gives an indication as to why so I am only attaching the end of the log. If you would like all of it, just let me know. I am going to try building it for my SMP system now. kr Oct 31 09:28:05 porky vsftpd: vsftpd vsftpd succeeded Oct 31 09:28:06 porky xinetd[2824]: xinetd Version 2.3.13 started with libwrap loadavg options compiled in. Oct 31 09:28:06 porky xinetd[2824]: Started working: 2 available services Oct 31 09:28:06 porky sendmail: sendmail startup succeeded Oct 31 09:28:06 porky sendmail: sm-client startup succeeded Oct 31 09:28:07 porky gpm[2897]: *** info [startup.c(95)]: Oct 31 09:28:07 porky gpm[2897]: Started gpm successfully. Entered daemon mode. Oct 31 09:28:07 porky gpm[2897]: *** info [mice.c(1766)]: Oct 31 09:28:07 porky gpm[2897]: imps2: Auto-detected intellimouse PS/2 Oct 31 09:28:07 porky gpm: gpm startup succeeded Oct 31 09:28:07 porky crond: crond startup succeeded Oct 31 09:28:08 porky xfs: xfs startup succeeded Oct 31 09:28:08 porky anacron: anacron startup succeeded Oct 31 09:28:09 porky atd: atd startup succeeded Oct 31 09:28:09 porky readahead: Starting background readahead: Oct 31 09:28:09 porky rc: Starting readahead: succeeded Oct 31 09:28:10 porky messagebus: messagebus startup succeeded - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/