From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19787 invoked by alias); 6 Sep 2011 19:45:35 -0000 Received: (qmail 19776 invoked by uid 22791); 6 Sep 2011 19:45:34 -0000 X-SWARE-Spam-Status: No, hits=0.3 required=5.0 tests=BAYES_50,RP_MATCHES_RCVD,SPF_HELO_PASS X-Spam-Check-By: sourceware.org Received: from mail-svr1.cs.utah.edu (HELO mail-svr1.cs.utah.edu) (155.98.64.241) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 06 Sep 2011 19:45:19 +0000 Received: from mail-svr1.cs.utah.edu (localhost [127.0.0.1]) by mail-svr1.cs.utah.edu (Postfix) with ESMTP id D114A6500A0 for ; Tue, 6 Sep 2011 13:45:15 -0600 (MDT) Received: from webmail.cs.utah.edu (geneva.cs.utah.edu [155.98.65.60]) by mail-svr1.cs.utah.edu (Postfix) with ESMTP for ; Tue, 6 Sep 2011 13:45:15 -0600 (MDT) MIME-Version: 1.0 Date: Tue, 06 Sep 2011 19:45:00 -0000 From: ydev To: Subject: Performance Impact of Systemtap Message-ID: X-Sender: ydev@cs.utah.edu User-Agent: RoundCube Webmail/0.3.1 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 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 X-SW-Source: 2011-q3/txt/msg00286.txt.bz2 Hi, I want to measure the overhead introduced by systemtap scripts. For example, say I were to introduce a SCSI fault during a read or write op and I want to measure the overhead by systemtap in doing this. What would be the best way to do it. Thanks, Yathi