Re: [PATCH] PM / suspend: Count suspend-to-idle loop as sleep time

[Peter Zijlstra]

On Fri, Sep 14, 2018 at 09:47:28AM +0200, Rafael J. Wysocki wrote:
> On Fri, Sep 14, 2018 at 9:41 AM Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> > Do we want a 'warning' of sorts when the delta becomes significant (for
> > whatever that is) ? That might be an indication that there are frequent
> > wakeups which we might not be expecting. Of keep the number of spurious
> > wakeups in a stat counter somewhere -- something to look at if the
> > battery drains faster than expected.
> 
> If you echo 1 to /sys/power/pm_debug_messages, dmesg will tell you
> that (with gory details). :-)

Shiny, didn't know that ;-)