**-p**, **--period** *us*

        Set the *timerlat* tracer period in microseconds.

**-i**, **--irq** *us*

        Stop trace if the *IRQ* latency is higher than the argument in us.

**-T**, **--thread** *us*

        Stop trace if the *Thread* latency is higher than the argument in us.

**-s**, **--stack** *us*

        Save the stack trace at the *IRQ* if a *Thread* latency is higher than the
        argument in us.
