[ltt-dev] Traces data alignment
jerome.stadelmann at heig-vd.ch
Fri Mar 20 03:16:39 EDT 2009
On jeudi 19 mars 2009 18:00:01 Mathieu Desnoyers wrote:
> * Jérôme 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 ?
> > Regards,
> > Jerome
> > _______________________________________________
> > ltt-dev mailing list
> > ltt-dev at lists.casi.polymtl.ca
> > http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
More information about the lttng-dev