From: compudj@krystal.dyndns.org (Mathieu Desnoyers)
Subject: [ltt-dev] simple userspace tracing with LTTng 0.9.10
Date: Wed, 28 Jan 2009 10:56:43 -0500 [thread overview]
Message-ID: <20090128155643.GD6025@Krystal> (raw)
In-Reply-To: <1E65288790442545B413D69F2A8D27DE0467AB6E@ERLD164A.ww004.siemens.net>
* 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
> _______________________________________________
> ltt-dev mailing list
> ltt-dev at lists.casi.polymtl.ca
> http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
>
--
Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
next prev parent reply other threads:[~2009-01-28 15:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-26 18:44 Akyurek, Ali (EXT)
2009-01-28 15:56 ` Mathieu Desnoyers [this message]
2009-01-29 18:02 ` Akyurek, Ali (EXT)
2009-01-29 19:30 ` Mathieu Desnoyers
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