diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq_ondemand.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq_ondemand.c | 51 |
1 files changed, 27 insertions, 24 deletions
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 2ab3c12b88af..6f45b1658a67 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -117,11 +117,7 @@ static inline cputime64_t get_cpu_idle_time_jiffy(unsigned int cpu, busy_time = cputime64_add(busy_time, kstat_cpu(cpu).cpustat.irq); busy_time = cputime64_add(busy_time, kstat_cpu(cpu).cpustat.softirq); busy_time = cputime64_add(busy_time, kstat_cpu(cpu).cpustat.steal); - - if (!dbs_tuners_ins.ignore_nice) { - busy_time = cputime64_add(busy_time, - kstat_cpu(cpu).cpustat.nice); - } + busy_time = cputime64_add(busy_time, kstat_cpu(cpu).cpustat.nice); idle_time = cputime64_sub(cur_wall_time, busy_time); if (wall) @@ -137,23 +133,6 @@ static inline cputime64_t get_cpu_idle_time(unsigned int cpu, cputime64_t *wall) if (idle_time == -1ULL) return get_cpu_idle_time_jiffy(cpu, wall); - if (dbs_tuners_ins.ignore_nice) { - cputime64_t cur_nice; - unsigned long cur_nice_jiffies; - struct cpu_dbs_info_s *dbs_info; - - dbs_info = &per_cpu(cpu_dbs_info, cpu); - cur_nice = cputime64_sub(kstat_cpu(cpu).cpustat.nice, - dbs_info->prev_cpu_nice); - /* - * Assumption: nice time between sampling periods will be - * less than 2^32 jiffies for 32 bit sys - */ - cur_nice_jiffies = (unsigned long) - cputime64_to_jiffies64(cur_nice); - dbs_info->prev_cpu_nice = kstat_cpu(cpu).cpustat.nice; - return idle_time + jiffies_to_usecs(cur_nice_jiffies); - } return idle_time; } @@ -319,6 +298,9 @@ static ssize_t store_ignore_nice_load(struct cpufreq_policy *policy, dbs_info = &per_cpu(cpu_dbs_info, j); dbs_info->prev_cpu_idle = get_cpu_idle_time(j, &dbs_info->prev_cpu_wall); + if (dbs_tuners_ins.ignore_nice) + dbs_info->prev_cpu_nice = kstat_cpu(j).cpustat.nice; + } mutex_unlock(&dbs_mutex); @@ -400,7 +382,7 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) /* Get Absolute Load - in terms of freq */ max_load_freq = 0; - for_each_cpu_mask_nr(j, policy->cpus) { + for_each_cpu(j, policy->cpus) { struct cpu_dbs_info_s *j_dbs_info; cputime64_t cur_wall_time, cur_idle_time; unsigned int idle_time, wall_time; @@ -419,6 +401,23 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) j_dbs_info->prev_cpu_idle); j_dbs_info->prev_cpu_idle = cur_idle_time; + if (dbs_tuners_ins.ignore_nice) { + cputime64_t cur_nice; + unsigned long cur_nice_jiffies; + + cur_nice = cputime64_sub(kstat_cpu(j).cpustat.nice, + j_dbs_info->prev_cpu_nice); + /* + * Assumption: nice time between sampling periods will + * be less than 2^32 jiffies for 32 bit sys + */ + cur_nice_jiffies = (unsigned long) + cputime64_to_jiffies64(cur_nice); + + j_dbs_info->prev_cpu_nice = kstat_cpu(j).cpustat.nice; + idle_time += jiffies_to_usecs(cur_nice_jiffies); + } + if (unlikely(!wall_time || wall_time < idle_time)) continue; @@ -568,13 +567,17 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, return rc; } - for_each_cpu_mask_nr(j, policy->cpus) { + for_each_cpu(j, policy->cpus) { struct cpu_dbs_info_s *j_dbs_info; j_dbs_info = &per_cpu(cpu_dbs_info, j); j_dbs_info->cur_policy = policy; j_dbs_info->prev_cpu_idle = get_cpu_idle_time(j, &j_dbs_info->prev_cpu_wall); + if (dbs_tuners_ins.ignore_nice) { + j_dbs_info->prev_cpu_nice = + kstat_cpu(j).cpustat.nice; + } } this_dbs_info->cpu = cpu; /* |