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- ================
- rtla-timerlat
- ================
- -------------------------------------------
- Measures the operating system timer latency
- -------------------------------------------
- :Manual section: 1
- SYNOPSIS
- ========
- **rtla timerlat** [*MODE*] ...
- DESCRIPTION
- ===========
- .. include:: common_timerlat_description.rst
- The *timerlat* tracer outputs information in two ways. It periodically
- prints the timer latency at the timer *IRQ* handler and the *Thread* handler.
- It also provides information for each noise via the **osnoise:** tracepoints.
- The **rtla timerlat top** mode displays a summary of the periodic output
- from the *timerlat* tracer. The **rtla hist hist** mode displays a histogram
- of each tracer event occurrence. For further details, please refer to the
- respective man page.
- MODES
- =====
- **top**
- Prints the summary from *timerlat* tracer.
- **hist**
- Prints a histogram of timerlat samples.
- If no *MODE* is given, the top mode is called, passing the arguments.
- OPTIONS
- =======
- **-h**, **--help**
- Display the help text.
- For other options, see the man page for the corresponding mode.
- SEE ALSO
- ========
- **rtla-timerlat-top**\(1), **rtla-timerlat-hist**\(1)
- *timerlat* tracer documentation: <https://www.kernel.org/doc/html/latest/trace/timerlat-tracer.html>
- AUTHOR
- ======
- Written by Daniel Bristot de Oliveira <[email protected]>
- .. include:: common_appendix.rst
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