Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754176Ab3H1N6f (ORCPT ); Wed, 28 Aug 2013 09:58:35 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:31122 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752854Ab3H1N6e (ORCPT ); Wed, 28 Aug 2013 09:58:34 -0400 X-Authority-Analysis: v=2.0 cv=V4T/IJbi c=1 sm=0 a=Sro2XwOs0tJUSHxCKfOySw==:17 a=Drc5e87SC40A:10 a=jxQzypR4wcoA:10 a=5SG0PmZfjMsA:10 a=kj9zAlcOel0A:10 a=meVymXHHAAAA:8 a=KGjhK52YXX0A:10 a=qWrlR9Lw5PkA:10 a=PXpbpN4H8RDWqTHrRzIA:9 a=CjuIK1q_8ugA:10 a=jeBq3FmKZ4MA:10 a=Sro2XwOs0tJUSHxCKfOySw==:117 X-Cloudmark-Score: 0 X-Authenticated-User: X-Originating-IP: 67.255.60.225 Date: Wed, 28 Aug 2013 09:58:33 -0400 From: Steven Rostedt To: Steven Rostedt Cc: Dave Jones , Linux Kernel Subject: Re: FTRACE_WARN_ON((rec->flags & ~FTRACE_FL_MASK) == 0)) Message-ID: <20130828095833.103ccdf0@gandalf.local.home> In-Reply-To: <20130828095408.37c3dd83@gandalf.local.home> References: <20130828034627.GA30596@redhat.com> <20130828095408.37c3dd83@gandalf.local.home> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.20; x86_64-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 Content-Length: 780 Lines: 19 On Wed, 28 Aug 2013 09:54:08 -0400 Steven Rostedt wrote: > > OK, this is a hint. The __unregister_ftrace_function returned an error > code, and called ftrace_shutdown(). This is an error path that is not > tested much. So perhaps you did find another place that can cause the > accounting to get out of sync. I'll take that back. The ftrace_shutdown() is called on success, thus this is a normal path. I have to find out what perf is doing. Do you have any clue to what calls are being made to perf? -- Steve -- 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/