Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750742AbVJFIaG (ORCPT ); Thu, 6 Oct 2005 04:30:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750750AbVJFIaG (ORCPT ); Thu, 6 Oct 2005 04:30:06 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:36583 "EHLO mx2.mail.elte.hu") by vger.kernel.org with ESMTP id S1750742AbVJFIaE (ORCPT ); Thu, 6 Oct 2005 04:30:04 -0400 Date: Thu, 6 Oct 2005 10:30:43 +0200 From: Ingo Molnar To: Mark Knecht Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.14-rc3-rt9 - a few xruns misses Message-ID: <20051006083043.GB21800@elte.hu> References: <5bdc1c8b0510051615hfd77ba8pab7ee07bde13ffd4@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5bdc1c8b0510051615hfd77ba8pab7ee07bde13ffd4@mail.gmail.com> User-Agent: Mutt/1.4.2.1i X-ELTE-SpamScore: 0.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=0.0 required=5.9 tests=AWL autolearn=disabled SpamAssassin version=3.0.4 0.0 AWL AWL: From: address is in the auto white-list X-ELTE-VirusStatus: clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 898 Lines: 25 * Mark Knecht wrote: > Hi, > This is nothing particularily new. I'm just presenting it to > represent what I'm seeign and get some guidance about how to find out > what's going on. lets first check whether all the RT priorities are set up correctly for your audio setup. Could you send me your /proc/interrupts, your .config and the output of: ps -eo pid,pri,rtprio,cmd there are lots of built-in methods in the -rt kernel to figure out the source of latencies. If the default methods do not show anything then worst-case we can activate the kernel's latency tracer to record the actual xrun critical path. 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/