[lttng-dev] Using same provider:tracepoint probe in several processes

[Mathieu Desnoyers]

----- Original Message -----
> From: "Franck Balazot" <franck.balazot at oneaccess-net.com>
> To: lttng-dev at lists.lttng.org
> Sent: Friday, March 6, 2015 10:31:13 AM
> Subject: [lttng-dev] Using same provider:tracepoint probe in several	processes
> 
> Hi all,
> 
> I would like to know if it is possible to use the same
> provider:tracepoint probe in several processes, without getting
> following error :
> 
> LTTng-UST: Error (-17) while registering tracepoint probe. Duplicate
> registration of tracepoint probes having the same name is not allowed.
> Aborted (core dumped)
> 
> And how to do it ?

Yes, it is possible, but they need to have _exactly_ the
same signature. (same parameters and fields).

Thanks,

Mathieu

> 
> Franck
> 
> 
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> 

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