linux-stable/Documentation/tools/rtla/common_timerlat_aa.rst

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**--dump-tasks**
prints the task running on all CPUs if stop conditions are met (depends on !--no-aa)
**--no-aa**
disable auto-analysis, reducing rtla timerlat cpu usage
**--aa-only** *us*
Set stop tracing conditions and run without collecting and displaying statistics.
Print the auto-analysis if the system hits the stop tracing condition. This option
is useful to reduce rtla timerlat CPU, enabling the debug without the overhead of
collecting the statistics.