linux-kernel - Re: [RFC] Create instrumentation directory (git repository)

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Message-ID: <20071029234012.GB19413@Krystal>
Date:	Mon, 29 Oct 2007 19:40:12 -0400
From:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To:	Christoph Lameter <clameter@....com>
Cc:	linux-kernel@...r.kernel.org, Randy Dunlap <rdunlap@...otime.net>,
	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>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"William L. Irwin" <wli@...omorphy.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Christoph Lameter <christoph@...eter.com>
Subject: Re: [RFC] Create instrumentation directory (git repository)

* Christoph Lameter (clameter@....com) wrote:
> On Mon, 29 Oct 2007, Mathieu Desnoyers wrote:
> 
> > vm/vmstat.c
> 
> The vm statistics are important for the operation of the VM. They are not 
> optional. So I do not think that they fall under the category of 
> instrumentation.

But I guess vm stats can be useful to others; a kernel tracer for
instance ?

Putting stuff in instrumentation/ by no way means that it becomes
optional for a subsystem, but merely that it could either export
information useful for kernel instrumentation or have some
infrastructure parts merged with others. 

Mathieu

-- 
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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