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It may also be useful to run your traced applications with `LTTNG_UST_DEBUG=1` set in the environment. Do you have steps that reproduce the issue? E.g., all the commands to set up the tracing session and so forth. thanks, kienan On 6/19/25 10:58 AM, Georg Muck via lttng-dev wrote: > Hey, > > I am using the LTTng tracer (2.13.11, C-API, rotation=1s) to trace my ROS2 > system (userspace only). Everything works just fine within my Docker > Container (Ubuntu 24.04), but if I start the same procedure on the host > itself (also Ubuntu 24.04), it does not create a TraceFile if to many > tracepoints occur (speaking of roundabout 1500+ per second) (sometimes it > malformed the tracefile, but I was not able to recreate that. If I remember > correctly, Babeltrace2 threw an error that said that there was no > metadata-file). I played around with some configurations (like increasing > the buffer size from ~16kB to ~512kB or a less aggressive rotation), but > the problem stayed. > > Would be thankful for help. I guess I delivered to less information, please > reach out what is interesting at this point, I am not sure about that :). > > Best regards, > Georg > > > > Never burn the bridges before you > If you've burned the bridges behind > Never burn the one that you're walking upon > Or you're sure to hit the water in time. *(Savatage, Streets, 1991)* >