diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-09-30 03:13:34 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-10-09 18:54:57 +0200 |
| commit | f00593a4bdd22e0885db89df8ee8afcc6867994f (patch) | |
| tree | 6e3c771a0e778a435913d355d0093ccba8d4ae07 /drivers | |
| parent | f9f4872df6e1801572949f8a370c886122d4b6da (diff) | |
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: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index bc976a3db253..1c7b91c5805b 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -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; |