From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11228 invoked by alias); 23 May 2006 20:47:20 -0000 Received: (qmail 11178 invoked by uid 22791); 23 May 2006 20:47:19 -0000 X-Spam-Status: No, hits=-2.4 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS X-Spam-Check-By: sourceware.org Received: from mail8.fw-bc.sony.com (HELO mail8.fw-bc.sony.com) (160.33.98.75) by sourceware.org (qpsmtpd/0.31) with ESMTP; Tue, 23 May 2006 20:47:17 +0000 Received: from mail3.sjc.in.sel.sony.com (mail3.sjc.in.sel.sony.com [43.134.1.211]) by mail8.fw-bc.sony.com (8.12.11/8.12.11) with ESMTP id k4NKku2X026104; Tue, 23 May 2006 20:46:57 GMT Received: from [43.134.85.135] ([43.134.85.135]) by mail3.sjc.in.sel.sony.com (8.12.11/8.12.11) with ESMTP id k4NKkuhv026167; Tue, 23 May 2006 20:46:56 GMT Message-ID: <447374C0.3050905@am.sony.com> Date: Tue, 23 May 2006 20:47:00 -0000 From: Tim Bird User-Agent: Thunderbird 1.5 (X11/20051201) MIME-Version: 1.0 To: Roland McGrath CC: "Bird, Tim" , systemtap Subject: Re: Random ideas about systemtap dependencies References: <20060523203400.1F21D180054@magilla.sf.frob.com> In-Reply-To: <20060523203400.1F21D180054@magilla.sf.frob.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org X-SW-Source: 2006-q2/txt/msg00474.txt.bz2 Roland McGrath wrote: > A general answer is that systemtap is intended to have many flavors of > probes, with the level of things like kprobes being an implementation > detail used by some probes. The present prevalence of kprobes in the > implementation of systemtap probes will not necessarily always be the > case. > > Specifically, are you talking about compiling with -pg? No, KFT uses -finstrument-functions > So in short, it's doable and fits fine into the larger scheme of things. > There is a fair bit of work you'd have to do, but it doesn't inherently > clash with what we're doing. Thanks for the response. I'm not sure I'm going to do anything, but it's interesting to think about. Especially since I've been thinking about how different tracing systems can leverage each other's work. -- Tim ============================= Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Electronics =============================