From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7452 invoked by alias); 14 Dec 2005 18:47:06 -0000 Received: (qmail 7445 invoked by uid 22791); 14 Dec 2005 18:47:06 -0000 X-Spam-Status: No, hits=0.2 required=5.0 tests=AWL,BAYES_20,DNS_FROM_RFC_POST X-Spam-Check-By: sourceware.org Received: from fmr21.intel.com (HELO scsfmr001.sc.intel.com) (143.183.121.13) by sourceware.org (qpsmtpd/0.31) with ESMTP; Wed, 14 Dec 2005 18:47:06 +0000 Received: from scsfmr101.sc.intel.com (scsfmr101.sc.intel.com [10.3.253.10]) by scsfmr001.sc.intel.com (8.12.10/8.12.10/d: major-outer.mc,v 1.1 2004/09/17 17:50:56 root Exp $) with ESMTP id jBEIl2DQ025546 for ; Wed, 14 Dec 2005 18:47:02 GMT Received: from scsmsxvs040.sc.intel.com (scsmsxvs040.sc.intel.com [10.3.90.8]) by scsfmr101.sc.intel.com (8.12.10/8.12.10/d: major-inner.mc,v 1.2 2004/09/17 18:05:01 root Exp $) with SMTP id jBEIhYKH018103 for ; Wed, 14 Dec 2005 18:43:59 GMT Received: from scsmsx332.amr.corp.intel.com ([10.3.90.6]) by scsmsxvs040.sc.intel.com (SAVSMTP 3.1.7.47) with SMTP id M2005121410470114872 for ; Wed, 14 Dec 2005 10:47:01 -0800 Received: from scsmsx403.amr.corp.intel.com ([10.3.90.18]) by scsmsx332.amr.corp.intel.com with Microsoft SMTPSVC(6.0.3790.211); Wed, 14 Dec 2005 10:47:02 -0800 X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Subject: DTrace for Linux Date: Wed, 14 Dec 2005 21:49:00 -0000 Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: DTrace for Linux Thread-Index: AcYA3sTK8/Bj2DGmQ8iRiXwuMYpLyg== From: "Stone, Joshua I" To: X-OriginalArrivalTime: 14 Dec 2005 18:47:02.0224 (UTC) FILETIME=[C5764500:01C600DE] X-Scanned-By: MIMEDefang 2.52 on 10.3.253.10 X-IsSubscribed: yes 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: 2005-q4/txt/msg00436.txt.bz2 This is getting a lot of buzz on the blogosphere: http://blogs.sun.com/roller/page/ahl?entry=3Ddtrace_for_linux Using BrandZ and Dtrace, he was able to root-cause some problem with the Linux "top". Looking through his scripts, I think that a lot of his analysis could be done *today* with SystemTap. There's some user-mode stuff that we can't do, but most of it seems ok. It would be nice if we could duplicate his results using SystemTap, to show our current maturity... Comments? Josh