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1The **rtla timerlat** tool is an interface for the *timerlat* tracer. The2*timerlat* tracer dispatches a kernel thread per-cpu. These threads3set a periodic timer to wake themselves up and go back to sleep. After4the wakeup, they collect and generate useful information for the5debugging of operating system timer latency.6 7The *timerlat* tracer outputs information in two ways. It periodically8prints the timer latency at the timer *IRQ* handler and the *Thread*9handler. It also enable the trace of the most relevant information via10**osnoise:** tracepoints.11