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tldr/pages/linux/trace-cmd.md
Harrison e9f7de1a29
trace-cmd-{list, record, report}: add page, tracecmd: refresh page (#17264) 
Co-authored-by: Managor <42655600+Managor@users.noreply.github.com>
2025-07-19 18:59:38 +00:00

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trace-cmd

Utility to interact with the Ftrace Linux kernel internal tracer. See also: trace-cmd list, trace-cmd record, trace-cmd report. More information: https://manned.org/trace-cmd.

  • Display the status of tracing system:

sudo trace-cmd stat

  • List available tracers:

sudo trace-cmd list -t

  • Start tracing with a specific plugin:

sudo trace-cmd start -p {{function|function_graph|preemptirqsoff|irqsoff|preemptoff|wakeup|...}}

  • View the trace output:

sudo trace-cmd show

  • Stop the tracing but retain the buffers:

sudo trace-cmd stop

  • Clear the trace buffers:

sudo trace-cmd clear

  • Record a trace:

sudo trace-cmd record

  • Display the recorded trace:

sudo trace-cmd report