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cpufreq: Move traces and update to policy->cur to cpufreq core

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The cpufreq core handles the updates to policy->cur and recording of
cpufreq trace events for all the governors except schedutil's fast
switch case.

Move that as well to cpufreq core for consistency and readability.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Viresh Kumar 2020-10-05 13:26:05 +05:30 committed by Rafael J. Wysocki
parent 96f60cddf7
commit 08d8c65e84
2 changed files with 8 additions and 11 deletions
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7
drivers/cpufreq/cpufreq.c
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@ -2068,6 +2068,7 @@ unsigned int cpufreq_driver_fast_switch(struct cpufreq_policy *policy,
unsigned int target_freq)
{
unsigned int freq;
int cpu;
target_freq = clamp_val(target_freq, policy->min, policy->max);
freq = cpufreq_driver->fast_switch(policy, target_freq);
@ -2075,10 +2076,16 @@ unsigned int cpufreq_driver_fast_switch(struct cpufreq_policy *policy,
if (!freq)
return 0;
policy->cur = freq;
arch_set_freq_scale(policy->related_cpus, freq,
policy->cpuinfo.max_freq);
cpufreq_stats_record_transition(policy, freq);
if (trace_cpu_frequency_enabled()) {
for_each_cpu(cpu, policy->cpus)
trace_cpu_frequency(freq, cpu);
}
return freq;
}
EXPORT_SYMBOL_GPL(cpufreq_driver_fast_switch);

12
kernel/sched/cpufreq_schedutil.c
View File

@ -115,21 +115,11 @@ static void sugov_fast_switch(struct sugov_policy *sg_policy, u64 time,
unsigned int next_freq)
{
struct cpufreq_policy *policy = sg_policy->policy;
int cpu;
if (!sugov_update_next_freq(sg_policy, time, next_freq))
return;
next_freq = cpufreq_driver_fast_switch(policy, next_freq);
if (!next_freq)
return;
policy->cur = next_freq;
if (trace_cpu_frequency_enabled()) {
for_each_cpu(cpu, policy->cpus)
trace_cpu_frequency(next_freq, cpu);
}
cpufreq_driver_fast_switch(policy, next_freq);
}
static void sugov_deferred_update(struct sugov_policy *sg_policy, u64 time,