From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S968567AbdADPns (ORCPT ); Wed, 4 Jan 2017 10:43:48 -0500 Received: from mail-wm0-f66.google.com ([74.125.82.66]:36639 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757626AbdADPnq (ORCPT ); Wed, 4 Jan 2017 10:43:46 -0500 Date: Wed, 4 Jan 2017 16:35:55 +0100 (CET) From: Enrico Mioso X-X-Sender: mrkiko@localhost.localdomain To: Steven Rostedt cc: "Paul E. McKenney" , Enrico Mioso , linux-kernel@vger.kernel.org, Josh Triplett , Mathieu Desnoyers Subject: Re: INFO: rcu_sched self-detected stall on CPU In-Reply-To: <20170104091631.78af9d45@gandalf.local.home> Message-ID: References: <20170104134608.GJ3742@linux.vnet.ibm.com> <20170104091631.78af9d45@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thank you very much guys. Can you giveme some guidances on how to actually use ftrace? I'll recompile the kernel as needed and read the ftrace docs, but I would like to be sure to be able to produce the needed data. Thank you very much, Enrico