Hi Andi,
>
> If your goal is to identify worst case latencies of interrupted code --
> ftrace has special tracers for this: CONFIG_{IRQSOFF,PREEMPT,SCHED}_TRACER
>
ok, that got me thinking.. but it turns out that, the need is to
measure the processing time per IRQ. And of course, to then identify
the offenders using this.
Thanks
Riyaz
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