diff mbox

[V6,3/4] intel_pstate: Move the intel_pstate_calc_busy into get_target_pstate_use_performance

Message ID 1457429481-13283-7-git-send-email-philippe.longepe@linux.intel.com (mailing list archive)
State Superseded, archived
Headers show

Commit Message

plongepe March 8, 2016, 9:31 a.m. UTC 
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>
---
 drivers/cpufreq/intel_pstate.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index c46d23a..903341f 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -912,8 +912,6 @@  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;
@@ -942,7 +940,6 @@  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
@@ -960,6 +957,8 @@  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