path: trafficserver_9.2.5+ds-1/doc/developer-guide/debugging/profiling.en.rst
will make it more likely that perf record will gather complete callstacks.::
  sudo perf record -g -p `pidof traffic_server`
After gathering profilng data with perf record, use perf report to display the call stacks with their corresponding


path: trafficserver_9.2.5+ds-1/doc/developer-guide/debugging/profiling.en.rst
portion of the execution time.::
  sudo perf top -p `pidof traffic_server`
For more details use the record subcommand to gather profiling data on the traffic_server process.  Using