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

[Mathieu Desnoyers]

* Yannick Brosseau (yannick.brosseau at gmail.com) wrote:
> 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?

Not really.

Mathieu

> 
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-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com