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Commit f00593a4 authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

cpufreq: intel_pstate: Clarify comment in get_target_pstate_use_performance() 



Make the comment explaining the meaning of the perf_scaled variable
in get_target_pstate_use_performance() more straightforward.

Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent f9f4872d

drivers/cpufreq/intel_pstate.c

+5 −4
Original line number Diff line number Diff line
@@ -1251,10 +1251,11 @@ static inline int32_t get_target_pstate_use_performance(struct cpudata *cpu) 
	u64 duration_ns;



	/*

	 * perf_scaled is the average performance during the last sampling

	 * period scaled by the ratio of the maximum P-state to the P-state

	 * requested last time (in percent).  That measures the system's

	 * response to the previous P-state selection.

	 * perf_scaled is the ratio of the average P-state during the last

	 * sampling period to the P-state requested last time (in percent).

	 *

	 * That measures the system's response to the previous P-state

	 * selection.

	 */

	max_pstate = cpu->pstate.max_pstate_physical;

	current_pstate = cpu->pstate.current_pstate;