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| author | Philippe Longepe <philippe.longepe@linux.intel.com> | 2016-03-06 10:34:05 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-03-11 02:04:58 +0300 |
| commit | 7349ec0470b62820ae226e30770b9d84a53ced9d (patch) | |
| tree | c0ee221a93cae01c3f644203360890dc5b30053b /drivers/cpufreq/intel_pstate.c | |
| parent | a158bed5dc92bd83338225135d448958e0b3745d (diff) | |
| download | linux-7349ec0470b62820ae226e30770b9d84a53ced9d.tar.xz | |
intel_pstate: Move intel_pstate_calc_busy() into get_target_pstate_use_performance()
The cpu_load algorithm doesn't need to invoke intel_pstate_calc_busy(),
so move that call from intel_pstate_sample() to
get_target_pstate_use_performance().
Signed-off-by: Philippe Longepe <philippe.longepe@linux.intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 5b5bfc1c90f1..95cc21713bb4 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -915,8 +915,6 @@ static inline void intel_pstate_sample(struct cpudata *cpu, u64 time) cpu->sample.mperf -= cpu->prev_mperf; cpu->sample.tsc -= cpu->prev_tsc; - intel_pstate_calc_busy(cpu); - cpu->prev_aperf = aperf; cpu->prev_mperf = mperf; cpu->prev_tsc = tsc; @@ -945,7 +943,6 @@ static inline int32_t get_target_pstate_use_cpu_load(struct cpudata *cpu) mperf = cpu->sample.mperf + delta_iowait_mperf; cpu->prev_cummulative_iowait = cummulative_iowait; - /* * The load can be estimated as the ratio of the mperf counter * running at a constant frequency during active periods @@ -963,6 +960,8 @@ static inline int32_t get_target_pstate_use_performance(struct cpudata *cpu) int32_t core_busy, max_pstate, current_pstate, sample_ratio; u64 duration_ns; + intel_pstate_calc_busy(cpu); + /* * core_busy is the ratio of actual performance to max * max_pstate is the max non turbo pstate available |