[lttng-dev] lttng create --output problem

[David Goulet]

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On 12-04-03 05:56 PM, Ettore Del Negro wrote:
> 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.

Oh right! hehe.

>>
>>> 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.

Will patch this tomorrow! :)

Thanks for the feedback!
David

>>
>> Thanks!
>> David
>>
>>
> Thanks,
> Ettore
> 
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> lttng-dev at lists.lttng.org
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