From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753498AbXDKSDJ (ORCPT ); Wed, 11 Apr 2007 14:03:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753490AbXDKSDJ (ORCPT ); Wed, 11 Apr 2007 14:03:09 -0400 Received: from smtp.osdl.org ([65.172.181.24]:54678 "EHLO smtp.osdl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753498AbXDKSDH (ORCPT ); Wed, 11 Apr 2007 14:03:07 -0400 Date: Wed, 11 Apr 2007 11:02:40 -0700 From: Andrew Morton To: Mathieu Desnoyers Cc: linux-kernel@vger.kernel.org, Russell King Subject: Re: [PATCH] markers-linker-generic Message-Id: <20070411110240.537ee25d.akpm@linux-foundation.org> In-Reply-To: <20070411175110.GA30879@Krystal> References: <20070410223658.GC7092@Krystal> <20070411074414.GC3752@flint.arm.linux.org.uk> <20070411175110.GA30879@Krystal> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.6; i686-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 X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 11 Apr 2007 13:51:11 -0400 Mathieu Desnoyers wrote: > > What's this marker stuff about? > > > > Hi Russel, > > Here is an overview : I am told that the systemtap developers plan to (or are) using this infrastructure. If correct: what is their reason for preferring it over kprobes? Secondly, the code in -mm has no actual backend for delivering anything to userspace or to anywhere else. Why is this? Which backends currently exist, and which ones are envisaged? Is there a plan to merge any backend into the mainline kernel?