From mboxrd@z Thu Jan  1 00:00:00 1970
From: jerome.stadelmann@heig-vd.ch (=?iso-8859-1?q?J=E9r=F4me_Stadelmann?=)
Date: Fri, 20 Mar 2009 08:16:39 +0100
Subject: [ltt-dev] Traces data alignment
In-Reply-To: <20090319170001.GA27344@Krystal>
References: <200903191606.35831.jerome.stadelmann@heig-vd.ch>
	<20090319170001.GA27344@Krystal>
Message-ID: <200903200816.39240.jerome.stadelmann@heig-vd.ch>

On jeudi 19 mars 2009 18:00:01 Mathieu Desnoyers wrote:
> * J?r?me Stadelmann (jerome.stadelmann at heig-vd.ch) wrote:
> > Hi everybody,
> > 
> > I'm working on a LTTng traces parser and I'm a little bit blocked on the alignment. Can someone please explain how and where it is coded ?
> 
> The lttv lib "ltttraceread" should do that for you.
 
> > What are the roles of the alignment defined in the traces header and the one defined in the metadata file in the core_marker_id ?
> > 
> 
> They tell that a specific tracefile content is aligned or not, and if
> the content of a given event is aligned or not. You should really have
> at least a look at the ltt lib traceread reference implementation.

Thank you. This library helped me a lot. I see that there is an up to 2 byte alignment in the core marker id event definition. Is there the only special case ?
I've searched the uses of the ltt_align function. Are there other functions to look for ?

Jerome
 
> Mathieu
> 
> > Regards,
> > Jerome
> > 
> > _______________________________________________
> > ltt-dev mailing list
> > ltt-dev at lists.casi.polymtl.ca
> > http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
> > 
>