> Another question is how one would do callback processing in idle handler:
> one could figure out the idle mode (latency) in advance and *then* call
> only all those idle callbacks that have more stringent requirements
> than the currently calculated idle mode's latency (and then calculate
> the idle mode again based on the current time after all those callbacks??),
> or one could just unconditionally call all idle handlers and then figure out
> idle length and go to sleep. Which one is better?
I'm not sure about either actually. Well if it's just to refill stuff
etc then I would just call all. After all it may save interrupts and
early wakeups if you do this, so there's a power advantage to be gained.
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