From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30503 invoked by alias); 6 Jan 2014 16:46:21 -0000 Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org Received: (qmail 30494 invoked by uid 89); 6 Jan 2014 16:46:20 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-4.0 required=5.0 tests=AWL,BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS,SPF_PASS autolearn=ham version=3.3.2 X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 06 Jan 2014 16:46:20 +0000 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s06GkG5R004040 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 6 Jan 2014 11:46:17 -0500 Received: from fche.csb (vpn-54-142.rdu2.redhat.com [10.10.54.142]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s06GkGEC030339; Mon, 6 Jan 2014 11:46:16 -0500 Received: by fche.csb (Postfix, from userid 2569) id 014F058185; Mon, 6 Jan 2014 11:46:14 -0500 (EST) To: Jey Jay Cc: systemtap@sourceware.org Subject: Re: maxactive(NNNN) usage References: From: fche@redhat.com (Frank Ch. Eigler) Date: Mon, 06 Jan 2014 16:46:00 -0000 In-Reply-To: (Jey Jay's message of "Fri, 27 Dec 2013 17:33:05 +0900") Message-ID: User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-SW-Source: 2014-q1/txt/msg00004.txt.bz2 Jey Jay writes: > [...] > Below is a sample script(maxactive included). > [...] > ----- probe hit report: > kernel.function("vfs_read@fs/read_write.c:353").call, > (maxactive05.stp:6:1), hits: 18, cycles: 0min/0avg/0max, from: > kernel.function("vfs_read").call, index: 0 > But there is no response for .return. i.e I'm expecting > printf("Testing.... Jay") statement to be executed. Any guidance > will help me lot.. Jeyaram This is working here on various Fedora/RHEL platforms and on various systemtap versions. Perhaps the data generated by stap-report might help point a finger at a kernel or systemtap version or configuration problem. - FChE