Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262356AbUKVTIa (ORCPT ); Mon, 22 Nov 2004 14:08:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262343AbUKVTGW (ORCPT ); Mon, 22 Nov 2004 14:06:22 -0500 Received: from dfw-gate3.raytheon.com ([199.46.199.232]:54173 "EHLO dfw-gate3.raytheon.com") by vger.kernel.org with ESMTP id S262263AbUKVTEA (ORCPT ); Mon, 22 Nov 2004 14:04:00 -0500 Subject: Re: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm2-V0.7.30-2 To: Ingo Molnar Cc: Amit Shah , Karsten Wiese , Bill Huey , Adam Heath , emann@mrv.com, Gunther Persoons , "K.R. Foley" , linux-kernel@vger.kernel.org, Florian Schmidt , Fernando Pablo Lopez-Lezcano , Lee Revell , Rui Nuno Capela , Shane Shrybman , Esben Nielsen , Thomas Gleixner , Michal Schmidt X-Mailer: Lotus Notes Release 5.0.8 June 18, 2001 Message-ID: From: Mark_H_Johnson@raytheon.com Date: Mon, 22 Nov 2004 13:00:55 -0600 X-MIMETrack: Serialize by Router on RTSHOU-DS01/RTS/Raytheon/US(Release 6.5.2|June 01, 2004) at 11/22/2004 01:03:08 PM MIME-Version: 1.0 Content-type: text/plain; charset=US-ASCII X-SPAM: 0.00 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 625 Lines: 17 > [2] variety of long > 1 msec wakeup latencies (see below) > [3] primary long latencies with ksoftirqd/[01] and IRQ 10 tasks Never mind on the long latencies. I forgot to set udma2 on the disk drive. Setting that changed the wakeup latencies back to the sub 100 usec range. Will be trying the (non wakeup) traces next. --Mark H Johnson - 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/