Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751343AbVJQWFa (ORCPT ); Mon, 17 Oct 2005 18:05:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751362AbVJQWFa (ORCPT ); Mon, 17 Oct 2005 18:05:30 -0400 Received: from gateway-1237.mvista.com ([12.44.186.158]:45294 "EHLO godzilla.mvista.com") by vger.kernel.org with ESMTP id S1751343AbVJQWFa (ORCPT ); Mon, 17 Oct 2005 18:05:30 -0400 Date: Mon, 17 Oct 2005 15:05:22 -0700 (PDT) From: Daniel Walker To: Thomas Gleixner cc: Ingo Molnar , linux-kernel@vger.kernel.org, david singleton , Steven Rostedt , Rui Nuno Capela , Fernando Lopez-Lezcano , Mark Knecht Subject: Re: 2.6.14-rc4-rt7 In-Reply-To: <1129586639.19559.152.camel@tglx.tec.linutronix.de> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 760 Lines: 22 On Tue, 18 Oct 2005, Thomas Gleixner wrote: > On Mon, 2005-10-17 at 14:43 -0700, Daniel Walker wrote: > > I found this latency ~5 minutes after boot up, no load . It looks like > > vgacon_scroll() has a memset like operation which can grow. > > 5 minutes after bootup could also be related to a jiffies wrap problem. > I saw it multiple times , but this trace was the biggest .. It looks like it might be related to CONFIG_PRINTK_IGNORE_LOGLEVEL .. I don't see how jiffies could be related though . Daniel - 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/