From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754214Ab1K1UUw (ORCPT ); Mon, 28 Nov 2011 15:20:52 -0500 Received: from casper.infradead.org ([85.118.1.10]:60247 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753652Ab1K1UUv convert rfc822-to-8bit (ORCPT ); Mon, 28 Nov 2011 15:20:51 -0500 Message-ID: <1322511636.2921.177.camel@twins> Subject: Re: [PATCH 4/9] ftrace: Add enable/disable ftrace_ops control interface From: Peter Zijlstra To: Steven Rostedt Cc: Jiri Olsa , fweisbec@gmail.com, mingo@redhat.com, paulus@samba.org, acme@ghostprotocols.net, linux-kernel@vger.kernel.org Date: Mon, 28 Nov 2011 21:20:36 +0100 In-Reply-To: <1322511289.17003.24.camel@frodo> References: <1322417074-5834-1-git-send-email-jolsa@redhat.com> <1322417074-5834-5-git-send-email-jolsa@redhat.com> <1322508398.17003.9.camel@frodo> <1322510552.2921.167.camel@twins> <1322510741.2921.169.camel@twins> <1322511289.17003.24.camel@frodo> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT X-Mailer: Evolution 3.2.1- Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2011-11-28 at 15:14 -0500, Steven Rostedt wrote: > Hmm, how many do_int3 handlers are there? > Dunno, but there's the regular SIGTRAP one I guess, there's kprobes and there's going to be uprobes. kgdb looks to be having one as well. > Oh, I bet we could trace kprobe handlers, and this would break that. > That would be lovely pain indeed ;-)