linux-kernel - Re: [patch 3/4] Linux Kernel Markers

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Message-Id: <20070918162210.5da258ea.randy.dunlap@oracle.com>
Date:	Tue, 18 Sep 2007 16:22:10 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	"Frank Ch. Eigler" <fche@...hat.com>,
	Christoph Hellwig <hch@...radead.org>
Subject: Re: [patch 3/4] Linux Kernel Markers - Documentation

On Tue, 18 Sep 2007 17:13:27 -0400 Mathieu Desnoyers wrote:

> Here is some documentation explaining what is/how to use the Linux
> Kernel Markers.
> 
> ---
> 
>  Documentation/markers/markers.txt          |   93 +++++++++++++++++++++++++++
>  Documentation/markers/src/Makefile         |    7 ++
>  Documentation/markers/src/marker-example.c |   55 ++++++++++++++++
>  Documentation/markers/src/probe-example.c  |   98 +++++++++++++++++++++++++++++
>  4 files changed, 253 insertions(+)
> 
> Index: linux-2.6-lttng/Documentation/markers/markers.txt
> ===================================================================
> --- /dev/null	1970-01-01 00:00:00.000000000 +0000
> +++ linux-2.6-lttng/Documentation/markers/markers.txt	2007-09-07 09:17:45.000000000 -0400
> @@ -0,0 +1,93 @@

> +The marker mechanism supports inserting multiple instances of the same marker.
> +Markers can be put in inline functions, inlined static functions, and
> +unrolled loops.

as well as regular functions ?

> +* Probe / marker example
> +
> +See the example provided in Documentation/markers/markers/src

                                       drop one of ^^^ "markers/"

> +Run, as root :
> +
> +make
> +insmod marker-example.ko (insmod order is not important)
> +insmod probe-example.ko
> +cat /proc/marker-example (returns an expected error)
> +rmmod marker-example probe-example
> +dmesg


---
~Randy
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