From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 9678 invoked by alias); 17 Oct 2006 20:55:18 -0000 Received: (qmail 9651 invoked by uid 22791); 17 Oct 2006 20:55:17 -0000 X-Spam-Status: No, hits=-1.2 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS,SPF_PASS,UNPARSEABLE_RELAY X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (66.187.233.31) by sourceware.org (qpsmtpd/0.31) with ESMTP; Tue, 17 Oct 2006 20:55:13 +0000 Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) by mx1.redhat.com (8.12.11.20060308/8.12.11) with ESMTP id k9HKtBsB008367; Tue, 17 Oct 2006 16:55:11 -0400 Received: from pobox.toronto.redhat.com (pobox.toronto.redhat.com [172.16.14.4]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id k9HKtA6b003824; Tue, 17 Oct 2006 16:55:10 -0400 Received: from touchme.toronto.redhat.com (IDENT:postfix@touchme.toronto.redhat.com [172.16.14.9]) by pobox.toronto.redhat.com (8.12.11.20060308/8.12.11) with ESMTP id k9HKtAwa019688; Tue, 17 Oct 2006 16:55:10 -0400 Received: from ton.toronto.redhat.com (ton.toronto.redhat.com [172.16.14.15]) by touchme.toronto.redhat.com (Postfix) with ESMTP id 08380800002; Tue, 17 Oct 2006 16:55:10 -0400 (EDT) Received: from ton.toronto.redhat.com (localhost.localdomain [127.0.0.1]) by ton.toronto.redhat.com (8.13.1/8.13.1) with ESMTP id k9HKt9VO003710; Tue, 17 Oct 2006 16:55:09 -0400 Received: (from fche@localhost) by ton.toronto.redhat.com (8.13.1/8.13.1/Submit) id k9HKt96F003707; Tue, 17 Oct 2006 16:55:09 -0400 X-Authentication-Warning: ton.toronto.redhat.com: fche set sender to fche@redhat.com using -f To: "Gui,Jian" Cc: systemtap@sources.redhat.com Subject: Re: "no match" semantic error for some existing probe points References: <4534AD25.1050205@cn.ltcfwd.linux.ibm.com> From: fche@redhat.com (Frank Ch. Eigler) Date: Tue, 17 Oct 2006 20:55:00 -0000 In-Reply-To: <4534AD25.1050205@cn.ltcfwd.linux.ibm.com> Message-ID: User-Agent: Gnus/5.0808 (Gnus v5.8.8) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii 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-q4/txt/msg00147.txt.bz2 "Gui,Jian" writes: > In my ppc64/2.6.18: > [...] > prologue found function 'ptrace_disable' (naked) = 0xc000000000009db0 > pattern 'kernel' matches module 'kernel' > semantic error: no match for probe point > while: resolving probe point > kernel.function("ptrace_disable@arch/powerpc/kernel/ptrace.c:246") > [...] Something strange is happening here, probably a translator bug. The "no match for probe point" message occurs if no "derived_probe" instances get accumulated for a particular probe construct in the script. But it should have been created. Debugging this may require probing the messiest part of the translator: tapsets.cxx, starting at(say) query_cu. - FChE