[lttng-dev] No trace files are generated for UST

[Thibault, Daniel]

>   Interesting.  I've managed to sort-of-reproduce the problem.  If I run (from a user account which is NOT a tracing group member):
> [...]
>   Then lttng correctly creates the trace folder in /home/username/lttng-traces/a-... when sample is run, but it remains empty.  No ust sub-folder, nothing.
>
>   Something is definitely awry with paths and $HOME values here.

   Scratch that, my mistake.  The traces were created just fine, but the trace folders were owned by root, so they appeared empty (in Nautilus) to username.

Daniel U. Thibault
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