[lttng-dev] lttng create --output problem

[dgoulet@efficios.com (David Goulet)]

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Hi Ryan,

Well, the --output works on our test suites so it might be something you do that
does not create the trace.

Simply using create, start and stop will produce nothing. You have to at least
enable events for trace files to be created since they are opened by the consumer.

Can you try "lttng enable-events -a -k" (enabling all kernel events) after the
create session and tell me if it works for you? (or use user space tracing,
whatever works for you).

If not, add "-vvv" to the lttng command for debug output and also for the
session daemon.

# lttng-sessiond -vvv
# lttng -vvv ...

Thanks!
David

On 12-04-03 04:02 PM, Ryan.Kyser at jci.com wrote:
> 
> Whenever I try using the --output flag for creating a new session, it doesn't
> seem to use the location specified. Additionally, if I do a find on the entire
> file system, no files are found that start with session name specified. This
> seems like a bug to me ... or am I doing something wrong?
> 
> //---------------------------------------
> // Log
> //---------------------------------------
> 
> / # lttng create --output /tmp new3
> Session new3 created.
> Traces will be written in /tmp
> / # lttng start
> Tracing started for session new3
> / # lttng stop
> Tracing stopped for session new3
> / # ls /tmp
> wayland-0       wayland-0.lock
> 
> 
> Thank you,
> Ryan Kyser
> 
> 
> 
> _______________________________________________
> lttng-dev mailing list
> lttng-dev at lists.lttng.org
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