mirror of https://github.com/CrimsonTome/tldr.git
34 lines
650 B
Markdown
34 lines
650 B
Markdown
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# trace-cmd
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> Utility to interact with the Ftrace Linux kernel internal tracer.
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> This utility only runs as root.
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> More information: <https://manned.org/trace-cmd>.
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- Display the status of tracing system:
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`trace-cmd stat`
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- List available tracers:
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`trace-cmd list -t`
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- Start tracing with a specific plugin:
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`trace-cmd start -p {{timerlat|osnoise|hwlat|blk|mmiotrace|function_graph|wakeup_dl|wakeup_rt|wakeup|function|nop}}`
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- View the trace output:
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`trace-cmd show`
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- Stop the tracing but retain the buffers:
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`trace-cmd stop`
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- Clear the trace buffers:
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`trace-cmd clear`
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- Clear the trace buffers and stop tracing:
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`trace-cmd reset`
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