From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752543AbYJRRhy (ORCPT ); Sat, 18 Oct 2008 13:37:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750938AbYJRRhq (ORCPT ); Sat, 18 Oct 2008 13:37:46 -0400 Received: from casper.infradead.org ([85.118.1.10]:50816 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750922AbYJRRhq (ORCPT ); Sat, 18 Oct 2008 13:37:46 -0400 Date: Sat, 18 Oct 2008 10:37:55 -0700 From: Arjan van de Ven To: mauro.andreolini@unimore.it Cc: linux-kernel@vger.kernel.org Subject: Re: LatencyTop problem Message-ID: <20081018103755.6ae73325@infradead.org> In-Reply-To: <1224348558.7067.7.camel@localhost> References: <1224348558.7067.7.camel@localhost> Organization: Intel X-Mailer: Claws Mail 3.5.0 (GTK+ 2.12.12; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 18 Oct 2008 18:49:18 +0200 Mauro Andreolini wrote: > Hi everyone, > > I tried to get latencytop (Debian testing package, v.0.4) running on a > 2.6.27 vanilla kernel. When I try to execute latencytop as root, I get > the following message: > > Error writing to /proc/sys/kernel/latencytop: No such file or > directory Error writing to /proc/sys/kernel/latencytop: No such file > or directory Are you root? > Please enable the CONFIG_LATENCYTOP configuration in your kernel. > Exiting... > > I am pretty sure that the CONFIG_LATENCYTOP is set in the kernel. I just tried, and the file exists just fine for me... I think there's something weird going on with your kernel, like you might not be running the kernel you thought you were running... -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org