Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261256AbUKWOit (ORCPT ); Tue, 23 Nov 2004 09:38:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261262AbUKWOit (ORCPT ); Tue, 23 Nov 2004 09:38:49 -0500 Received: from mx1.elte.hu ([157.181.1.137]:696 "EHLO mx1.elte.hu") by vger.kernel.org with ESMTP id S261256AbUKWOir (ORCPT ); Tue, 23 Nov 2004 09:38:47 -0500 Date: Tue, 23 Nov 2004 16:41:08 +0100 From: Ingo Molnar To: Rui Nuno Capela Cc: Florian Schmidt , linux-kernel@vger.kernel.org, Lee Revell , mark_h_johnson@raytheon.com, "K.R. Foley" , Bill Huey , Adam Heath , Thomas Gleixner , Michal Schmidt , Fernando Pablo Lopez-Lezcano , Karsten Wiese , Gunther Persoons , emann@mrv.com, Shane Shrybman , Amit Shah , Esben Nielsen Subject: Re: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm2-V0.7.30-2 Message-ID: <20041123154108.GA27413@elte.hu> References: <20041122020741.5d69f8bf@mango.fruits.de> <20041122094602.GA6817@elte.hu> <56781.195.245.190.93.1101119801.squirrel@195.245.190.93> <20041122132459.GB19577@elte.hu> <20041122142744.0a29aceb@mango.fruits.de> <65529.195.245.190.94.1101133129.squirrel@195.245.190.94> <20041122154516.GC2036@elte.hu> <9182.195.245.190.93.1101142412.squirrel@195.245.190.93> <20041123135508.GA13786@elte.hu> <29024.195.245.190.94.1101218441.squirrel@195.245.190.94> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <29024.195.245.190.94.1101218441.squirrel@195.245.190.94> User-Agent: Mutt/1.4.1i X-ELTE-SpamVersion: MailScanner 4.31.6-itk1 (ELTE 1.2) SpamAssassin 2.63 ClamAV 0.73 X-ELTE-VirusStatus: clean X-ELTE-SpamCheck: no X-ELTE-SpamCheck-Details: score=-4.9, required 5.9, autolearn=not spam, BAYES_00 -4.90 X-ELTE-SpamLevel: X-ELTE-SpamScore: -4 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1532 Lines: 39 * Rui Nuno Capela wrote: > Yes, there's a non-official patch to jackd from Lee Revell's. Without > that you don't get to read the maximum delay from jackd. Sorry. But if > you have the patience to rebuild jack, here comes attached the minimal > patch for just that. thx, it applied cleanly to jack-cvs. Here's the 5-minute idle-system test again: ************* SUMMARY RESULT **************** Timeout Count . . . . . . . . :( 0) XRUN Count . . . . . . . . . : 0 Delay Count (>spare time) . . : 0 Delay Count (>1000 usecs) . . : 0 Delay Maximum . . . . . . . . : 28 usecs Cycle Maximum . . . . . . . . : 414 usecs Average DSP Load. . . . . . . : 20.6 % Average CPU System Load . . . : 11.6 % Average CPU User Load . . . . : 8.6 % Average CPU Nice Load . . . . : 0.0 % Average CPU I/O Wait Load . . : 0.0 % Average CPU IRQ Load . . . . : 0.0 % Average CPU Soft-IRQ Load . . : 0.0 % Average Interrupt Rate . . . : 1671.7 /sec Average Context-Switch Rate . : 17003.1 /sec ********************************************* but i can reproduce xruns on another, much slower box, using just 3-4 jack_test clients. The xruns dont seem to be justified, they happen at 30-40% CPU utilization already. Ingo - 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/