Commit 221504a6 authored May 27, 2025 by Shashank Balaji Committed by Rafael J. Wysocki Jun 18, 2025

cpufreq: docs: userspace: Explain HW coordination influence



Extend the "scaling_setspeed" sysfs attribute description in the
userspace governor documentation to cover possible differences
between the requested and actual CPU frequency.

Signed-off-by: Shashank Balaji <shashank.mahadasyam@sony.com>
Link: https://patch.msgid.link/20250527-userspace-governor-doc-v2-2-0e22c69920f2@sony.com


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

parent 2e1185c9

Documentation/admin-guide/pm/cpufreq.rst

+3 −1

Original line number	Diff line number	Diff line
		@@ -398,7 +398,9 @@ policy limits change after that.

		This governor does not do anything by itself. Instead, it allows user space
		to set the CPU frequency for the policy it is attached to by writing to the
		``scaling_setspeed`` attribute of that policy.
		``scaling_setspeed`` attribute of that policy. Though the intention may be to
		set an exact frequency for the policy, the actual frequency may vary depending
		on hardware coordination, thermal and power limits, and other factors.

		``schedutil``
		-------------