[CPUFREQ] Fix up whitespace in conservative governor.
Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
Dave Jones
parent
a8d7c3bc23
commit
18a7247d1b
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@ -47,7 +47,7 @@
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* with CPUFREQ_ETERNAL), this governor will not work.
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* All times here are in uS.
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*/
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static unsigned int def_sampling_rate;
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static unsigned int def_sampling_rate;
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#define MIN_SAMPLING_RATE_RATIO (2)
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/* for correct statistics, we need at least 10 ticks between each measure */
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#define MIN_STAT_SAMPLING_RATE \
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@ -63,12 +63,12 @@ static unsigned int def_sampling_rate;
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static void do_dbs_timer(struct work_struct *work);
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struct cpu_dbs_info_s {
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struct cpufreq_policy *cur_policy;
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unsigned int prev_cpu_idle_up;
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unsigned int prev_cpu_idle_down;
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unsigned int enable;
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unsigned int down_skip;
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unsigned int requested_freq;
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struct cpufreq_policy *cur_policy;
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unsigned int prev_cpu_idle_up;
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unsigned int prev_cpu_idle_down;
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unsigned int enable;
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unsigned int down_skip;
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unsigned int requested_freq;
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};
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static DEFINE_PER_CPU(struct cpu_dbs_info_s, cpu_dbs_info);
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@ -82,24 +82,24 @@ static unsigned int dbs_enable; /* number of CPUs using this policy */
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* cpu_hotplug lock should be taken before that. Note that cpu_hotplug lock
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* is recursive for the same process. -Venki
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*/
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static DEFINE_MUTEX (dbs_mutex);
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static DEFINE_MUTEX (dbs_mutex);
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static DECLARE_DELAYED_WORK(dbs_work, do_dbs_timer);
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struct dbs_tuners {
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unsigned int sampling_rate;
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unsigned int sampling_down_factor;
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unsigned int up_threshold;
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unsigned int down_threshold;
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unsigned int ignore_nice;
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unsigned int freq_step;
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unsigned int sampling_rate;
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unsigned int sampling_down_factor;
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unsigned int up_threshold;
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unsigned int down_threshold;
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unsigned int ignore_nice;
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unsigned int freq_step;
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};
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static struct dbs_tuners dbs_tuners_ins = {
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.up_threshold = DEF_FREQUENCY_UP_THRESHOLD,
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.down_threshold = DEF_FREQUENCY_DOWN_THRESHOLD,
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.sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR,
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.ignore_nice = 0,
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.freq_step = 5,
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.up_threshold = DEF_FREQUENCY_UP_THRESHOLD,
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.down_threshold = DEF_FREQUENCY_DOWN_THRESHOLD,
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.sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR,
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.ignore_nice = 0,
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.freq_step = 5,
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};
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static inline unsigned int get_cpu_idle_time(unsigned int cpu)
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@ -109,7 +109,7 @@ static inline unsigned int get_cpu_idle_time(unsigned int cpu)
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if (dbs_tuners_ins.ignore_nice)
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add_nice = kstat_cpu(cpu).cpustat.nice;
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ret = kstat_cpu(cpu).cpustat.idle +
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ret = kstat_cpu(cpu).cpustat.idle +
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kstat_cpu(cpu).cpustat.iowait +
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add_nice;
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@ -148,8 +148,8 @@ static ssize_t show_sampling_rate_min(struct cpufreq_policy *policy, char *buf)
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return sprintf (buf, "%u\n", MIN_SAMPLING_RATE);
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}
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#define define_one_ro(_name) \
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static struct freq_attr _name = \
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#define define_one_ro(_name) \
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static struct freq_attr _name = \
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__ATTR(_name, 0444, show_##_name, NULL)
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define_one_ro(sampling_rate_max);
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@ -250,15 +250,15 @@ static ssize_t store_ignore_nice_load(struct cpufreq_policy *policy,
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unsigned int j;
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ret = sscanf (buf, "%u", &input);
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if ( ret != 1 )
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ret = sscanf(buf, "%u", &input);
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if (ret != 1)
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return -EINVAL;
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if ( input > 1 )
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if (input > 1)
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input = 1;
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mutex_lock(&dbs_mutex);
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if ( input == dbs_tuners_ins.ignore_nice ) { /* nothing to do */
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if (input == dbs_tuners_ins.ignore_nice) { /* nothing to do */
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mutex_unlock(&dbs_mutex);
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return count;
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}
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@ -282,12 +282,12 @@ static ssize_t store_freq_step(struct cpufreq_policy *policy,
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unsigned int input;
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int ret;
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ret = sscanf (buf, "%u", &input);
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ret = sscanf(buf, "%u", &input);
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if ( ret != 1 )
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if (ret != 1)
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return -EINVAL;
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if ( input > 100 )
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if (input > 100)
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input = 100;
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/* no need to test here if freq_step is zero as the user might actually
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@ -346,11 +346,11 @@ static void dbs_check_cpu(int cpu)
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/*
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* The default safe range is 20% to 80%
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* Every sampling_rate, we check
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* - If current idle time is less than 20%, then we try to
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* increase frequency
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* - If current idle time is less than 20%, then we try to
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* increase frequency
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* Every sampling_rate*sampling_down_factor, we check
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* - If current idle time is more than 80%, then we try to
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* decrease frequency
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* - If current idle time is more than 80%, then we try to
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* decrease frequency
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*
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* Any frequency increase takes it to the maximum frequency.
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* Frequency reduction happens at minimum steps of
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@ -483,8 +483,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
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switch (event) {
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case CPUFREQ_GOV_START:
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if ((!cpu_online(cpu)) ||
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(!policy->cur))
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if ((!cpu_online(cpu)) || (!policy->cur))
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return -EINVAL;
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if (this_dbs_info->enable) /* Already enabled */
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@ -565,11 +564,11 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
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if (policy->max < this_dbs_info->cur_policy->cur)
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__cpufreq_driver_target(
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this_dbs_info->cur_policy,
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policy->max, CPUFREQ_RELATION_H);
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policy->max, CPUFREQ_RELATION_H);
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else if (policy->min > this_dbs_info->cur_policy->cur)
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__cpufreq_driver_target(
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this_dbs_info->cur_policy,
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policy->min, CPUFREQ_RELATION_L);
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policy->min, CPUFREQ_RELATION_L);
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mutex_unlock(&dbs_mutex);
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break;
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}
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