Re: [PATCH] PM / Sleep: Print last wakeup source on failed wakeup_count write

From: Rafael J. Wysocki
Date: Wed Jun 12 2013 - 06:59:24 EST

On Tuesday, June 11, 2013 04:17:35 PM Julius Werner wrote:
> > This is going to be done in the autosleep case too, which I'm slightly
> > concerned about.
> >
> > If you wanted to cover /sys/power/wakeup_count only, it would be better
> > to put that into wakeup_count_store(), but perhaps you wanted to cover
> > autosleep too?
> >
> Hmm... no, I did not really take the autosleep case into account. I can't
> quite tell with what frequency the autosleep try_to_suspend() handler on an
> active system would run... do you think it might be a useful feature to
> have there, or would it lead to logspam?

On Android systems it may be really frequent, because they try to suspend
very aggressively. That's why I asked about it.

> I can move it to wakeup_count_store() if you prefer, but then I will have
> to turn print_active_wakeup_sources() into an exported function, which is
> also a little inconvenient.

That's OK.


I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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