From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 118862 invoked by alias); 24 May 2017 17:28:48 -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 118848 invoked by uid 89); 24 May 2017 17:28:47 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy=Hx-languages-length:357, U*arkady.miasnikov, sk:arkady, sk:arkady. 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; Wed, 24 May 2017 17:28:46 +0000 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D42A361976; Wed, 24 May 2017 17:28:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com D42A361976 Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=fche@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com D42A361976 Received: from redhat.com (ovpn-116-54.phx2.redhat.com [10.3.116.54]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 226507A257; Wed, 24 May 2017 17:28:48 +0000 (UTC) Received: from [127.0.0.1] (helo=vm-rhel7) by redhat.com with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.89) (envelope-from ) id 1dDa5W-0002qr-Nt; Wed, 24 May 2017 13:28:46 -0400 From: fche@redhat.com (Frank Ch. Eigler) To: Arkady Cc: systemtap@sourceware.org Subject: Re: Custom loader for STAP Date: Wed, 24 May 2017 17:28:00 -0000 References: Message-ID: <87o9uif9ki.fsf@redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-SW-Source: 2017-q2/txt/msg00092.txt.bz2 Arkady writes: > [...] > The approach works fine with the modern (?) kernels. In the CentOS 6.9 > folder /sys/kernel/debug/systemtap does not appear after I insmod the > module. [...] Maybe you're just missing the mount ... DEBUGFS or RELAYFS part from staprun/staprun_funcs.c: mountfs() ? - FChE