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Subject[PATCH] cpufreq/intel_pstate: Fix calculation of current frequency
Date
From: Dirk Brandewie <dirk.brandewie@gmail.com>

Use the correct pstate value to calculate the effective frequency.

https://bugzilla.redhat.com/show_bug.cgi?id=923942
Reported-by: Satish Balay <balay@fastmail.fm>

Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
---
drivers/cpufreq/intel_pstate.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index e84af66..ad72922 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -454,7 +454,7 @@ static inline void intel_pstate_calc_busy(struct cpudata *cpu,
sample->idletime_us * 100,
sample->duration_us);
core_pct = div64_u64(sample->aperf * 100, sample->mperf);
- sample->freq = cpu->pstate.turbo_pstate * core_pct * 1000;
+ sample->freq = cpu->pstate.max_pstate * core_pct * 1000;

sample->core_pct_busy = div_s64((sample->pstate_pct_busy * core_pct),
100);
--
1.7.7.6


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