[lttng-dev] Difference in metadata between per-PID and per-UIDtraces

Tue Sep 10 16:57:02 EDT 2013

On 2013-09-10 16:31, Mathieu Desnoyers wrote:
> * Thibault, Daniel (Daniel.Thibault at drdc-rddc.gc.ca) wrote:
>> -----Message d'origine-----
>> De : Mathieu Desnoyers [mailto:mathieu.desnoyers at efficios.com] 
>> Envoyé : 10 septembre 2013 16:18
>>
>>>  > And why is "tracer_patchlevel" dropped alongside the process-related attributes?
>>>
>>> Because different processes could use different tracer versions.
>>    How is such a situation handled in the per-UID case?
> There are version checks for each application. We don't keep this
> information in the trace metadata, because it is shared across apps.
>
Would it be interesting to put the PID of each traced application in the
metadata file?