43 lines
1.6 KiB
Diff
43 lines
1.6 KiB
Diff
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From: dirk.brandewie@gmail.com
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To: linux-kernel@vger.kernel.org, cpufreq@vger.kernel.org
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Cc: Dirk Brandewie <dirk.brandewie@gmail.com>,
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Dirk Brandewie <dirk.j.brandewie@intel.com>
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Subject: [PATCH] cpufreq/intel_pstate: Fix calculation of current frequency
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Date: Fri, 22 Mar 2013 10:51:05 -0700
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Message-Id: <1363974665-22049-1-git-send-email-dirk.brandewie@gmail.com>
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From: Dirk Brandewie <dirk.brandewie@gmail.com>
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Use the correct pstate value to calculate the effective frequency.
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https://bugzilla.redhat.com/show_bug.cgi?id=923942
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Reported-by: Satish Balay <balay@fastmail.fm>
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Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
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---
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drivers/cpufreq/intel_pstate.c | 2 +-
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1 files changed, 1 insertions(+), 1 deletions(-)
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diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
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index e84af66..ad72922 100644
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--- a/drivers/cpufreq/intel_pstate.c
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+++ b/drivers/cpufreq/intel_pstate.c
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@@ -454,7 +454,7 @@ static inline void intel_pstate_calc_busy(struct cpudata *cpu,
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sample->idletime_us * 100,
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sample->duration_us);
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core_pct = div64_u64(sample->aperf * 100, sample->mperf);
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- sample->freq = cpu->pstate.turbo_pstate * core_pct * 1000;
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+ sample->freq = cpu->pstate.max_pstate * core_pct * 1000;
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sample->core_pct_busy = div_s64((sample->pstate_pct_busy * core_pct),
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100);
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--
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1.7.7.6
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--
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