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    SubjectRe: [PATCH] new irq tracer
    >  /**
    > * handle_IRQ_event - irq action chain handler
    > * @irq: the interrupt number
    > @@ -354,7 +358,9 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action)
    > local_irq_enable_in_hardirq();
    >
    > do {
    > + trace_irq_entry(irq);
    > ret = action->handler(irq, action->dev_id);
    > + trace_irq_exit(irq, ret);
    > if (ret == IRQ_HANDLED)
    > status |= action->flags;
    > retval |= ret;

    Nobdy want unnecessary redundant tracepoint.
    Please discuss with mathieu, and merge his tracepoint.





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