Commit 927f3e85 authored Sep 23, 2025 by Brian Norris Committed by Rafael J. Wysocki Sep 26, 2025

PM: runtime: Documentation: ABI: Document time units for *_time



Many .../power/... time-related attributes have an "_ms" suffix and also
include language in their ABI description to make clear that their time
is measured in milliseconds. However, 'runtime_suspended_time' and
'runtime_active_time' have neither, and it takes me a nontrivial amount
of time to poke through the source to confirm that they are also
measured in milliseconds.

Update the doc with "millisecond" units.

Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Link: https://patch.msgid.link/20250923150625.1.If11a14e33d578369db48d678395d0323bdb01915@changeid


[ rjw: Subject edits, changelog tweak ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

parent 07e27ad1

Documentation/ABI/testing/sysfs-devices-power

+4 −4

Original line number	Diff line number	Diff line
		@@ -274,15 +274,15 @@ 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.
		Reports the total time that the device has been active, in
		milliseconds. 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.
		Reports total time that the device has been suspended, in
		milliseconds. Used for runtime PM statistics.

		What: /sys/devices/.../power/runtime_usage
		Date: Apr 2010