hi ,
   I used lttng-ust in my project, it's a dpdk program. I built and run it
, and run lttng list --userspace in another terminal ,but the result is
null.
[image: image.png]
   And gdb disassemble result has lttng_ust_tracepoint.
[image: image.png]

   Then I used lttng-ust in a demo, it works ok.
[image: image.png]
so ,  how to fix it ?

Best regards