PM / Sleep: Add wakeup_source_activate and wakeup_source_deactivate tracepoints
thanks to zarboz we can have sweep2wake on dlx
Add tracepoints to wakeup_source_activate and wakeup_source_deactivate.
Useful for checking that specific wakeup sources overlap as expected.

Change-Id: I1fa803411a11e50a4904fc97758dcbe39fa82516
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Git-commit: 6791e36c4a40e8930e08669e60077eea6770c429
Git-repo: git://codeaurora.org/kernel/msm.git
Signed-off-by: Anurag Singh <anursing@codeaurora.org>

Conflicts:

	drivers/base/power/wakeup.c
PM / Sleep: Change wakeup source statistics to follow Android

Wakeup statistics used by Android are slightly different from what we
have in wakeup sources at the moment and there aren't any known
users of those statistics other than Android, so modify them to make
it easier for Android to switch to wakeup sources.

This removes the struct wakeup_source's hit_cout field, which is very
rough and therefore not very useful, and adds two new fields,
wakeup_count and expire_count.  The first one tracks how many times
the wakeup source is activated with events_check_enabled set (which
roughly corresponds to the situations when a system power transition
to a sleep state is in progress and would be aborted by this wakeup
source if it were the only active one at that time) and the second
one is the number of times the wakeup source has been activated with
a timeout that expired.

Additionally, the last_time field is now updated when the wakeup
source is deactivated too (previously it was only updated during
the wakeup source's activation), which seems to be what Android does
with the analogous counter for wakelocks.

Change-Id: Ifda34645ed321f12f7911b90b48408b58ee88fd6
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Git-commit: 30e3ce6dcbe3fc29c343b17e768b07d4a795de21
Git-repo: git://codeaurora.org/kernel/msm.git
Signed-off-by: Anurag Singh <anursing@codeaurora.org>

Conflicts:

	drivers/base/power/wakeup.c