From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753867AbYKYWns (ORCPT ); Tue, 25 Nov 2008 17:43:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752918AbYKYWnR (ORCPT ); Tue, 25 Nov 2008 17:43:17 -0500 Received: from smtp1.linux-foundation.org ([140.211.169.13]:39777 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752801AbYKYWnQ (ORCPT ); Tue, 25 Nov 2008 17:43:16 -0500 Date: Tue, 25 Nov 2008 14:42:21 -0800 From: Andrew Morton To: Steven Rostedt Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, fweisbec@gmail.com, srostedt@redhat.com Subject: Re: [PATCH 1/3] ftrace: add function tracing to single thread Message-Id: <20081125144221.66eb99ad.akpm@linux-foundation.org> In-Reply-To: <20081125223456.976670734@goodmis.org> References: <20081125223421.795046329@goodmis.org> <20081125223456.976670734@goodmis.org> X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.8.20; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 25 Nov 2008 17:34:22 -0500 Steven Rostedt wrote: > This patch adds the ability to function trace a single thread. > The file: > > /debugfs/tracing/set_ftrace_pid > > contains the pid to trace. What happens if the same pid exists in two or more pid namespaces?