User space <==> kernel space for device wakeups.

[manty kuma]

Hi,
I want a user process to be notified on device wakeup so that I can print
some related information.

Which framework to use for this?(events, .. ??)

One idea I get is to log the info into <debugfs> and poll(implement my
poll) on it for data. This is my last option.

Are there any better ways?

Best Regards,
Manty
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