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    SubjectRe: [RFC 1/4] ftrace: Add events for tracing timer interrupts
    Jan Blunck <> writes:

    > Trace the execution of the timer interrupt. I did not find an argument that
    > makes any sense so traces look like this:
    > <idle>-0 [000] 181019.693546: timerirq_enter: unused=1
    > <idle>-0 [000] 181019.693553: timerirq_exit: unused=1

    I think you can get the same by just filtering the normal
    irq entry for the timer irq number.


    -- -- Speaking for myself only.

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