From mboxrd@z Thu Jan  1 00:00:00 1970
From: compudj@krystal.dyndns.org (Mathieu Desnoyers)
Date: Wed, 28 Jan 2009 10:56:43 -0500
Subject: [ltt-dev] simple userspace tracing with LTTng 0.9.10
In-Reply-To: <1E65288790442545B413D69F2A8D27DE0467AB6E@ERLD164A.ww004.siemens.net>
References: <1E65288790442545B413D69F2A8D27DE0467AB6E@ERLD164A.ww004.siemens.net>
Message-ID: <20090128155643.GD6025@Krystal>

* Akyurek, Ali (EXT) (ali.akyurek.ext at siemens.com) wrote:
> Hi all,
>  
> I've used simple userspace event tracing with the latest version by
> writing to the  mnt/debugfs/ltt/write_event.
> But now i'm using an old LTTng (because i have to), 0.9.10. 
> 
> Is it possible to port this simple uspace tracing feature to the old
> lttng versions?
> 
> Or it is not possible because of some architectural restrictions of
> kernel or LTTng?
> Thanks.
> 

That should be easily doable, as long as you have a kernel with debugfs.

The main patch concerned is :
lttng-userspace-write-event.patch

Mathieu

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-- 
Mathieu Desnoyers
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