Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751199AbVL3H3y (ORCPT ); Fri, 30 Dec 2005 02:29:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751202AbVL3H3y (ORCPT ); Fri, 30 Dec 2005 02:29:54 -0500 Received: from viper.oldcity.dca.net ([216.158.38.4]:53721 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S1751199AbVL3H3x (ORCPT ); Fri, 30 Dec 2005 02:29:53 -0500 Subject: Re: Latency traces I cannot interpret (sa1100, 2.6.15-rc7-rt1) From: Lee Revell To: kus Kusche Klaus Cc: mingo@elte.hu, linux-kernel In-Reply-To: References: Content-Type: text/plain Date: Fri, 30 Dec 2005 02:29:48 -0500 Message-Id: <1135927789.12146.1.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.5.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 780 Lines: 21 On Thu, 2005-12-29 at 16:08 +0100, kus Kusche Klaus wrote: > However, traces 1, 2, 6 and 7 are completely mysterious to me. > Interrupts seem to be blocked for milliseconds, while nothing is going > on on the system? Moreover, there are console-related function names > in > traces 6 and 7, although I've unconfigured the framebuffer console for > these runs! > It seems that either some code path really is forgetting to re-enable interrupts, or there's a bug in the latency tracer. Do these correspond to observed latencies? Lee - 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/