[lttng-dev] Enable/disable TPs per executing process

[Yannick Brosseau]

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> > /*
> > * Set the tracing group for the *current* flow of execution.
> > *
> > * On success, returns 0, on error, returns -1 (null name) or -ENOMEM.
> > */
> > extern int lttng_set_tracing_group(const char *name);
>
> > I dont really understand how and where I can use these tracing
groups? Is this
> > something that I can use in the above scenario?
>
> Users in the tracing group are able to trace the kernel without root
access.
> This API call allows you to set the group name *if* it is different
from the
> default one ("tracing") only for the execution you are using the
liblttng-ctl.
>
> For your use case, user space tracing, no need at all :).

I think that adding that explanation in the header of the function would
be useful.

Yannick
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