Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752011AbZIWQlB (ORCPT ); Wed, 23 Sep 2009 12:41:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751179AbZIWQlA (ORCPT ); Wed, 23 Sep 2009 12:41:00 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59041 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751463AbZIWQlA (ORCPT ); Wed, 23 Sep 2009 12:41:00 -0400 Message-ID: <4ABA5004.7050903@redhat.com> Date: Wed, 23 Sep 2009 09:42:44 -0700 From: Masami Hiramatsu User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.1) Gecko/20090814 Fedora/3.0-2.6.b3.fc11 Thunderbird/3.0b3 MIME-Version: 1.0 To: Ingo Molnar CC: Frederic Weisbecker , LKML , Steven Rostedt , Li Zefan Subject: Re: [GIT PULL] tracing/kprobes: Kprobes core/tracing/profiling updates References: <1253648302-5771-1-git-send-email-fweisbec@gmail.com> <20090923105252.GA32176@elte.hu> In-Reply-To: <20090923105252.GA32176@elte.hu> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1456 Lines: 45 Ingo Molnar wrote: > > * Frederic Weisbecker wrote: > >> Hi Ingo, >> >> Kprobes has been nicely improved lately. The x86 instruction decoder >> has been fixed to support cross builds and mmx instruction set, >> besides of a lot of various kprobes core fixes. >> >> The tracing part has evolved too, we can define human names for >> arguments and custom subsystem names for dynamic tracepoints. >> >> And also kprobes profiling and raw dynamic tracepoint samples are now >> supported through perf. Looks like most of the kernel parts are now in >> place for a perf support. Things are going to be focused on a perf >> kprobes tool to exploit that. > > Nice progress. What's the expected timeline of exhaustive tools/perf/ > support? Hi Ingo, That's under reviewing, I'll post it as soon as possible. :-) Now I'm considering about it's interface. In the 1st release, I'll use -P "probe-and-arg-definition" option which I suggested perviously, but it is also possible to use -p "event" -a "arg" option which Frederic suggested. Thank you, -- Masami Hiramatsu Software Engineer Hitachi Computer Products (America), Inc. Software Solutions Division e-mail: mhiramat@redhat.com -- 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/