Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756622AbZCWLZb (ORCPT ); Mon, 23 Mar 2009 07:25:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755125AbZCWLZT (ORCPT ); Mon, 23 Mar 2009 07:25:19 -0400 Received: from qw-out-2122.google.com ([74.125.92.27]:22447 "EHLO qw-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754917AbZCWLZS (ORCPT ); Mon, 23 Mar 2009 07:25:18 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=Hy9iYF7lFnY79eOxRSppLJWES66An5RduREJaDYJrzGomxE16+NglA0W38NDG/XSdc uU65CyVzgjQSboIbIgCcd8BzrNP5NqvNCm7P/48S4efgYAd1Dnfvx0zR1CK1zs0sH7KQ 3xIcNoffc0XRpjcaDapmuV+WbVyOGc2ym6Isg= Date: Mon, 23 Mar 2009 12:25:11 +0100 From: Frederic Weisbecker To: Nikanth Karthikesan Cc: Steven Rostedt , linux-kernel@vger.kernel.org Subject: Re: ftrace not working? Message-ID: <20090323112510.GA12071@nowhere> References: <200903231208.03723.knikanth@suse.de> <20090323071538.GA5944@nowhere> <20090323084158.GC5944@nowhere> <200903231414.20483.knikanth@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200903231414.20483.knikanth@suse.de> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1154 Lines: 36 On Mon, Mar 23, 2009 at 02:14:20PM +0530, Nikanth Karthikesan wrote: > On Monday 23 March 2009 14:11:59 Frederic Weisbecker wrote: > > On Mon, Mar 23, 2009 at 08:15:39AM +0100, Frederic Weisbecker wrote: > > > On Mon, Mar 23, 2009 at 12:08:03PM +0530, Nikanth Karthikesan wrote: > > > > Hi > > > > > > > > I tried ftrace with the linus git 2.6.29 rc-6, & rc-8, but I always > > > > seem to get empty trace! Am I doing something wrong? > > > > > > Hi Nikanth, > > > > > > Does latest -tip tree work for you with about the same config? > > > > > > http://people.redhat.com/mingo/tip.git/readme.txt > > > > > > Thanks, > > > Frederic. > > > > I've tested your config on latest mainline but not problem > > occured with the sched switch tracer. > > > > Does it work with other tracers? > > I tried "function" as well. None of the tracers seems to work. > > Thanks > Nikanth Could you send your dmesg please? -- 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/