Commit 405ea445 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab Committed by Greg Kroah-Hartman
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ABI: sysfs-devices-power: document some RPM statistics 



Changeset 8d4b9d1b ("PM / Runtime: Add runtime PM statistics (v3)")
added runtime_active_time and runtime_suspended_time, in order
to allow powertop to identify the amount of time a device is
active/suspended.

Add an ABI description for those.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/d5524b966d081c650121c4c496c2f7ab3df524e9.1632750608.git.mchehab+huawei@kernel.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent eeac9faf

Documentation/ABI/testing/sysfs-devices-power

+14 −0
Original line number Diff line number Diff line
@@ -269,3 +269,17 @@ Description: 
		the current runtime PM status of the device, which may be

		"suspended", "suspending", "resuming", "active", "error" (fatal

		error), or "unsupported" (runtime PM is disabled).



What:		/sys/devices/.../power/runtime_active_time

Date:		Jul 2010

Contact:	Arjan van de Ven <arjan@linux.intel.com>

Description:

		Reports the total time that the device has been active.

		Used for runtime PM statistics.



What:		/sys/devices/.../power/runtime_suspended_time

Date:		Jul 2010

Contact:	Arjan van de Ven <arjan@linux.intel.com>

Description:

		Reports total time that the device has been suspended.

		Used for runtime PM statistics.