From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754133AbYIWFAQ (ORCPT ); Tue, 23 Sep 2008 01:00:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751438AbYIWFAB (ORCPT ); Tue, 23 Sep 2008 01:00:01 -0400 Received: from one.firstfloor.org ([213.235.205.2]:36897 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751433AbYIWE77 (ORCPT ); Tue, 23 Sep 2008 00:59:59 -0400 Date: Tue, 23 Sep 2008 07:04:47 +0200 From: Andi Kleen To: Martin Bligh Cc: Andi Kleen , Linux Kernel Mailing List , Linus Torvalds , Thomas Gleixner , Mathieu Desnoyers , Steven Rostedt , od@novell.com, "Frank Ch. Eigler" Subject: Re: Unified tracing buffer Message-ID: <20080923050447.GG25711@one.firstfloor.org> References: <33307c790809191433w246c0283l55a57c196664ce77@mail.gmail.com> <878wtjr0y1.fsf@basil.nowhere.org> <33307c790809222047h7eaae674r8dd165ab8744910a@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <33307c790809222047h7eaae674r8dd165ab8744910a@mail.gmail.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > I don't think we can remove relayfs before adding this and switching over > the users though (possibly it could all be done at the same time, but messy) It's only two in tree users (+ systemtap) so shouldn't be a big hazzle. And they're all tracers so presumably they all pass time stamps. But please don't add a multitude of new methods to do this. BTW I've been using something like that since early 2000. It was called ktrace and was based on a old SGI patch. -Andi -- ak@linux.intel.com