From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756449Ab1COAX3 (ORCPT ); Mon, 14 Mar 2011 20:23:29 -0400 Received: from www.tglx.de ([62.245.132.106]:52188 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752232Ab1COAX3 (ORCPT ); Mon, 14 Mar 2011 20:23:29 -0400 Date: Tue, 15 Mar 2011 01:22:24 +0100 (CET) From: Thomas Gleixner To: Andi Kleen cc: Andrew Morton , Srikar Dronamraju , Peter Zijlstra , Ingo Molnar , Steven Rostedt , Linux-mm , Arnaldo Carvalho de Melo , Linus Torvalds , Masami Hiramatsu , Christoph Hellwig , Ananth N Mavinakayanahalli , Oleg Nesterov , Jim Keniston , Roland McGrath , SystemTap , LKML , "Paul E. McKenney" Subject: Re: [PATCH v2 2.6.38-rc8-tip 0/20] 0: Inode based uprobes In-Reply-To: <20110314234754.GP2499@one.firstfloor.org> Message-ID: References: <20110314133403.27435.7901.sendpatchset@localhost6.localdomain6> <20110314163028.a05cec49.akpm@linux-foundation.org> <20110314234754.GP2499@one.firstfloor.org> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 15 Mar 2011, Andi Kleen wrote: > > IOW, I'm trying to get an understanding of how you expect this feature > > will actually become useful to end users - the kernel patch is only > > part of the story. > > One user would be systemtap for user tracing as I understand. Systemtap has a > userbase (at least I use it, although not for user tracing) That's a brilliant reason to drop it right away. systemtap is the least of our worries. > Right now lots of distros apply ugly patchkits to handle this instead, > which is not good (tm). s/lots of distros/some enterprise distros where the management still believes that this is a valuable feature add/ You deliberately skipped the first part of akpms question: > How do you envisage these features actually get used? For example, > will gdb be modified? Will other debuggers be modified or written? How about answering this question first _BEFORE_ advertising systemtap? Thanks, tglx From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with ESMTP id D46DE8D003A for ; Mon, 14 Mar 2011 20:23:01 -0400 (EDT) Date: Tue, 15 Mar 2011 01:22:24 +0100 (CET) From: Thomas Gleixner Subject: Re: [PATCH v2 2.6.38-rc8-tip 0/20] 0: Inode based uprobes In-Reply-To: <20110314234754.GP2499@one.firstfloor.org> Message-ID: References: <20110314133403.27435.7901.sendpatchset@localhost6.localdomain6> <20110314163028.a05cec49.akpm@linux-foundation.org> <20110314234754.GP2499@one.firstfloor.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Andi Kleen Cc: Andrew Morton , Srikar Dronamraju , Peter Zijlstra , Ingo Molnar , Steven Rostedt , Linux-mm , Arnaldo Carvalho de Melo , Linus Torvalds , Masami Hiramatsu , Christoph Hellwig , Ananth N Mavinakayanahalli , Oleg Nesterov , Jim Keniston , Roland McGrath , SystemTap , LKML , "Paul E. McKenney" On Tue, 15 Mar 2011, Andi Kleen wrote: > > IOW, I'm trying to get an understanding of how you expect this feature > > will actually become useful to end users - the kernel patch is only > > part of the story. > > One user would be systemtap for user tracing as I understand. Systemtap has a > userbase (at least I use it, although not for user tracing) That's a brilliant reason to drop it right away. systemtap is the least of our worries. > Right now lots of distros apply ugly patchkits to handle this instead, > which is not good (tm). s/lots of distros/some enterprise distros where the management still believes that this is a valuable feature add/ You deliberately skipped the first part of akpms question: > How do you envisage these features actually get used? For example, > will gdb be modified? Will other debuggers be modified or written? How about answering this question first _BEFORE_ advertising systemtap? Thanks, tglx -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org