trace-cmd

Utility to interact with the Ftrace Linux kernel internal tracer. This utility only runs as root. More information: https://manned.org/trace-cmd.

• Display the status of tracing system:
  trace-cmd stat
• List available tracers:
  trace-cmd list -t
• Start tracing with a specific plugin:
  trace-cmd start -p {{timerlat|osnoise|hwlat|blk|mmiotrace|function_graph|wakeup_dl|wakeup_rt|wakeup|function|nop}}
• View the trace output:
  trace-cmd show
• Stop the tracing but retain the buffers:
  trace-cmd stop
• Clear the trace buffers:
  trace-cmd clear
• Clear the trace buffers and stop tracing:
  trace-cmd reset