From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1591 invoked by alias); 5 Jul 2008 18:08:06 -0000 Received: (qmail 1580 invoked by uid 22791); 5 Jul 2008 18:08:06 -0000 X-Spam-Status: No, hits=-2.6 required=5.0 tests=BAYES_00 X-Spam-Check-By: sourceware.org Received: from verein.lst.de (HELO verein.lst.de) (213.95.11.210) by sourceware.org (qpsmtpd/0.31) with ESMTP; Sat, 05 Jul 2008 18:07:48 +0000 Received: from verein.lst.de (localhost [127.0.0.1]) by verein.lst.de (8.12.3/8.12.3/Debian-7.1) with ESMTP id m65I74NW009270 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO); Sat, 5 Jul 2008 20:07:04 +0200 Received: (from hch@localhost) by verein.lst.de (8.12.3/8.12.3/Debian-6.6) id m65I748v009268; Sat, 5 Jul 2008 20:07:04 +0200 Date: Sat, 05 Jul 2008 18:08:00 -0000 From: Christoph Hellwig To: "Frank Ch. Eigler" Cc: Christoph Hellwig , Peter Zijlstra , ksummit-2008-discuss@lists.linux-foundation.org, Roland McGrath , systemtap@sources.redhat.com Subject: Re: [Ksummit-2008-discuss] DTrace Message-ID: <20080705180704.GB9074@lst.de> References: <20080630201031.GF7988@mit.edu> <20080630204219.GA6631@redhat.com> <20080701024140.GB28143@mit.edu> <20080701070746.C6DAD15420E@magilla.localdomain> <20080701101507.GB22717@mit.edu> <20080701200632.6790A1541F5@magilla.localdomain> <20080701231327.GA5829@mit.edu> <1215251049.6320.15.camel@lappy.programming.kicks-ass.net> <20080705100536.GA18534@lst.de> <20080705121039.GK2881@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080705121039.GK2881@redhat.com> User-Agent: Mutt/1.3.28i X-Spam-Score: 0 () X-Scanned-By: MIMEDefang 2.39 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: 2008-q3/txt/msg00052.txt.bz2 On Sat, Jul 05, 2008 at 08:10:39AM -0400, Frank Ch. Eigler wrote: > Hi - > > On Sat, Jul 05, 2008 at 12:05:36PM +0200, Christoph Hellwig wrote: > > > Also, it would be really great if you could write probes in regular C, > > > some pseudo C language just messes up my mind. > > > > You can write probes in plain C, in fact I do this all the time. what's > > missing is a nice and easy to use channel to get the traces to userspace > > and interpret them, and helper for poking at kernel data structures. > > Perhaps something like like this: But that means I need to pull in all the systemtap crap, which is exatly what I want to avoid.