From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 118808 invoked by alias); 14 Jun 2018 16:14:22 -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 118792 invoked by uid 89); 14 Jun 2018 16:14:21 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.8 required=5.0 tests=AWL,BAYES_00,SPF_PASS autolearn=ham version=3.3.2 spammy=Frank, frank X-HELO: copdcmhout02.cable.comcast.com Received: from copdcmhout02.cable.comcast.com (HELO copdcmhout02.cable.comcast.com) (96.114.158.212) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 14 Jun 2018 16:14:20 +0000 Received: from COPDCEX30.cable.comcast.com (Unknown_Domain [96.114.156.147]) (using TLS with cipher AES256-SHA256 (256/256 bits)) (Client did not present a certificate) by copdcmhout02.cable.comcast.com (SMTP Gateway) with SMTP id 92.31.28564.C54922B5; Thu, 14 Jun 2018 10:14:20 -0600 (MDT) Received: from COPDCEX31.cable.comcast.com (147.191.124.162) by COPDCEX30.cable.comcast.com (147.191.124.161) with Microsoft SMTP Server (TLS) id 15.0.1365.1; Thu, 14 Jun 2018 10:14:18 -0600 Received: from COPDCEX31.cable.comcast.com ([fe80::3aea:a7ff:fe36:8614]) by COPDCEX31.cable.comcast.com ([fe80::3aea:a7ff:fe36:8614%19]) with mapi id 15.00.1365.000; Thu, 14 Jun 2018 10:14:18 -0600 From: "Fieck, Brennan" To: "Frank Ch. Eigler" CC: Vratislav Bendel , "systemtap@sourceware.org" Subject: Re: [EXTERNAL] Re: Help Date: Thu, 14 Jun 2018 16:14:00 -0000 Message-ID: <1528992857211.92719@comcast.com> References: <1528987896469.62645@comcast.com>,<87vaalic1b.fsf@redhat.com> In-Reply-To: <87vaalic1b.fsf@redhat.com> x-ms-exchange-transport-fromentityheader: Hosted Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Forward X-SW-Source: 2018-q2/txt/msg00112.txt.bz2 I got one hit on that: /usr/src/debug/kernel-lt-4.9.70/linux-4.9.70-1.el7.centos.x86_64/tools/perf= /tests/vmlinux-kallsyms.c I've never tested on this specific machine with a normal kernel, but I have= used stap before on an Ubuntu VM. ________________________________________ From: Frank Ch. Eigler Sent: Thursday, June 14, 2018 10:10 AM To: Fieck, Brennan Cc: Vratislav Bendel; systemtap@sourceware.org Subject: Re: [EXTERNAL] Re: Help "Fieck, Brennan" writes: > [...] > $ repoquery -l kernel-lt-debuginfo | cut -d '/' --fields=3D1,2,3,4,5 | so= rt | uniq > > /usr/lib/debug > /usr/lib/debug/.build-id > /usr/lib/debug/.dwz > /usr/lib/debug/lib > /usr/lib/debug/usr > /usr/src/debug/kernel-lt-4.9.70 Rather than this search, how about % rpm -ql kernel-lt-debuginfo | grep vmlinux It would not surprise me if that custom kernel build ended up missing some of the debuginfo. The kernel.spec files that do this are deep magic. Have you tested stap on your box, but with a normal distro kernel and its normal debuginfo? - FChE