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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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