[lttng-dev] CTF specificity question
jeremie.galarneau at efficios.com
Fri May 2 13:30:33 EDT 2014
On Wed, Apr 30, 2014 at 3:31 PM, Matthew Khouzam
<matthew.khouzam at ericsson.com> wrote:
> Hello tracing tracers,
> I was wondering about the CTF readers, right now both babeltrace and the
> java reader will look in the event header for "id" and "timestamp" and
> they will also look for a variant "v". This works very well for LTTng
> traces, but it provides an LTTng specific code path in theoretically
> non-LTTng products. maybe it would be good to have in the spec that
> timestamp and id are hard-coded in certain places. It would allow (not
> garantied) minor performance improvements too since we know what to look
> for all the time.
I've discussed this with Mathieu recently. It is in the plans for an
eventual (minor) revision of the CTF specification. I think it was too
early, at the time, to commit to specific field semantics.
Thanks for your input!
> Just a random though
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