[lttng-dev] lttng create --output problem

[Ettore Del Negro]

On 3/4/2012 11:22 PM, David Goulet wrote:
> Actually it does. If you type: lttng create test -o /tmp/test
>
> /tmp/test is created and empty.
>
Yeah, that was meant as a reply for Ryan.
>
> > Anyway, i just noticed a problem with relative paths:
> > (~)> lttng
> > LTTng Trace Control 2.0.0-rc2
> > (~)> lttng create --output traces session
> > Error: Create directory failed
> > (~)> lttng create --output ./traces session
> > Error: Create directory failed
> > (~)> lttng create --output /root/traces session
> > Session session created.
> > Traces will be written in /root/traces
>
> I've just tested it. The trace output directory, given without a full
> path, is
> created at the $PWD of the session daemon. If the directory exist, it will
> simply write the trace in it.
>
> So, the error you have are probably related to a location you don't
> have write
> access.....
>
> I agree that the relative path could be handle better and use the current
> directory of the user using "lttng".
I was missing the fact that the *daemon* creates the directory. Thanks
for clarify it.
Definitely use the current directory of lttng for relative paths would
be better.
>
> Thanks!
> David
>
>
Thanks,
Ettore