Re: [RFC][PATCH 5/8] PM / Sleep: Change wakeup statistics

Arve Hjønnevåg
2012-02-15T06:15:22Z

On Mon, Feb 6, 2012 at 5:05 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> From: Rafael J. Wysocki <rjw@sisk.pl>
>
> Wakeup statistics used by Android are slightly different from what we
> have at the moment, so modify them to follow Android more closely.
...
> @@ -438,6 +444,11 @@ static void wakeup_source_deactivate(str
>        if (ktime_to_ns(duration) > ktime_to_ns(ws->max_time))
>                ws->max_time = duration;
>
> +       ws->last_time = now;
> +       if (ws->has_timeout && time_after(jiffies, ws->timer_expires))

time_after_eq may work better (or increment the count from the timer).
I applied this patch and the expire counts I see for wakeup-sources
that always time-out do not match the active count.

--
Arve Hjønnevåg