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Message-ID: <20071031092907.4a026e72@laptopd505.fenrus.org>
Date: Wed, 31 Oct 2007 09:29:07 -0700
From: Arjan van de Ven <arjan@...radead.org>
To: fche@...hat.com (Frank Ch. Eigler)
Cc: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Jeff Garzik <jeff@...zik.org>,
Randy Dunlap <rdunlap@...otime.net>, hch@...radead.org,
linux-kernel@...r.kernel.org, Sam Ravnborg <sam@...nborg.org>,
Jens Axboe <jens.axboe@...cle.com>,
Prasanna S Panchamukhi <prasanna@...ibm.com>,
Ananth N Mavinakayanahalli <ananth@...ibm.com>,
Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
"David S. Miller" <davem@...emloft.net>,
Ingo Molnar <mingo@...hat.com>,
Peter Zijlstra <pzijlstr@...hat.com>,
Philippe Elie <phil.el@...adoo.fr>,
"William L. Irwin" <wli@...omorphy.com>,
Christoph Lameter <christoph@...eter.com>,
Valdis.Kletnieks@...edu
Subject: Re: [RFC] Create kinst/ or ki/ directory ?
On Wed, 31 Oct 2007 11:48:20 -0400
fche@...hat.com (Frank Ch. Eigler) wrote:
> Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca> writes:
>
> > [...] SystemTAP, for instance, does it out of tree by keeping a
> > separate list of address where kprobes must be installed. It does
> > the job on a distribution kernel maintainer perspective (Redhat),
> > since they freeze to a particular kernel version and update this
> > list every time it breaks, but will always be a source of
> > frustration for vanilla kernel users and kernel developers.
>
> This misstates the details. What systemtap has out-of-tree is a list
> of kernel function names (and parameter names), not addresses. This
> list does change somewhat with kernel versions, but we generally keep
> up. We do test with vanilla kernels, and several non-RH distributors
> test with their kernels. It is a problem, but it is manageable.
yes so please please submit this stuff for mainline inclusion as has
been asked quite a few times before.
--
If you want to reach me at my work email, use arjan@...ux.intel.com
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