From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with SMTP id 5EE9A8D003A for ; Mon, 14 Mar 2011 21:13:53 -0400 (EDT) Subject: Re: [PATCH v2 2.6.38-rc8-tip 0/20] 0: Inode based uprobes References: <20110314133403.27435.7901.sendpatchset@localhost6.localdomain6> <20110314163028.a05cec49.akpm@linux-foundation.org> From: fche@redhat.com (Frank Ch. Eigler) Date: Mon, 14 Mar 2011 21:13:25 -0400 In-Reply-To: <20110314163028.a05cec49.akpm@linux-foundation.org> (Andrew Morton's message of "Mon, 14 Mar 2011 16:30:28 -0700") Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Srikar Dronamraju , int-list-linux-mm@kvack.orglinux-mm@kvack.org, Peter Zijlstra , Ingo Molnar , Steven Rostedt , Arnaldo Carvalho de Melo , Linus Torvalds , Masami Hiramatsu , Christoph Hellwig , Ananth N Mavinakayanahalli , Andi Kleen , Oleg Nesterov , Jim Keniston , SystemTap , LKML , "Paul E. McKenney" akpm wrote: > [...] How do you envisage these features actually get used? Patch #20/20 in the set includes an ftrace-flavoured debugfs frontend. Previous versions of the patchset included perf front-ends too, which are probably to be seen again. > For example, will gdb be modified? Will other debuggers be modified > or written? [...] The code is not currently useful to gdb. Perhaps ptrace or an improved userspace ABI can get access to it in the form of a breakpoint-management interface, though this inode+offset style of uprobe addressing would require adaptation to the process-virtual-address style used by debugging APIs. - FChE -- 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