diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq_governor.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq_governor.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index 095f91c..eb2fdbd 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -103,7 +103,7 @@ void gov_update_cpu_data(struct dbs_data *dbs_data) for_each_cpu(j, policy_dbs->policy->cpus) { struct cpu_dbs_info *j_cdbs = &per_cpu(cpu_dbs, j); - j_cdbs->prev_cpu_idle = get_cpu_idle_time(j, &j_cdbs->prev_cpu_wall, + j_cdbs->prev_cpu_idle = get_cpu_idle_time(j, &j_cdbs->prev_update_time, dbs_data->io_is_busy); if (dbs_data->ignore_nice_load) j_cdbs->prev_cpu_nice = kcpustat_cpu(j).cpustat[CPUTIME_NICE]; @@ -137,14 +137,14 @@ unsigned int dbs_update(struct cpufreq_policy *policy) /* Get Absolute Load */ for_each_cpu(j, policy->cpus) { struct cpu_dbs_info *j_cdbs = &per_cpu(cpu_dbs, j); - u64 cur_wall_time, cur_idle_time; - unsigned int idle_time, wall_time; + u64 update_time, cur_idle_time; + unsigned int idle_time, time_elapsed; unsigned int load; - cur_idle_time = get_cpu_idle_time(j, &cur_wall_time, io_busy); + cur_idle_time = get_cpu_idle_time(j, &update_time, io_busy); - wall_time = cur_wall_time - j_cdbs->prev_cpu_wall; - j_cdbs->prev_cpu_wall = cur_wall_time; + time_elapsed = update_time - j_cdbs->prev_update_time; + j_cdbs->prev_update_time = update_time; idle_time = cur_idle_time - j_cdbs->prev_cpu_idle; j_cdbs->prev_cpu_idle = cur_idle_time; @@ -156,7 +156,7 @@ unsigned int dbs_update(struct cpufreq_policy *policy) j_cdbs->prev_cpu_nice = cur_nice; } - if (unlikely(!wall_time || wall_time < idle_time)) + if (unlikely(!time_elapsed || time_elapsed < idle_time)) continue; /* @@ -177,7 +177,7 @@ unsigned int dbs_update(struct cpufreq_policy *policy) * * Detecting this situation is easy: the governor's utilization * update handler would not have run during CPU-idle periods. - * Hence, an unusually large 'wall_time' (as compared to the + * Hence, an unusually large 'time_elapsed' (as compared to the * sampling rate) indicates this scenario. * * prev_load can be zero in two cases and we must recalculate it @@ -185,7 +185,7 @@ unsigned int dbs_update(struct cpufreq_policy *policy) * - during long idle intervals * - explicitly set to zero */ - if (unlikely(wall_time > (2 * sampling_rate) && + if (unlikely(time_elapsed > 2 * sampling_rate && j_cdbs->prev_load)) { load = j_cdbs->prev_load; @@ -196,7 +196,7 @@ unsigned int dbs_update(struct cpufreq_policy *policy) */ j_cdbs->prev_load = 0; } else { - load = 100 * (wall_time - idle_time) / wall_time; + load = 100 * (time_elapsed - idle_time) / time_elapsed; j_cdbs->prev_load = load; } @@ -509,7 +509,7 @@ static int cpufreq_governor_start(struct cpufreq_policy *policy) for_each_cpu(j, policy->cpus) { struct cpu_dbs_info *j_cdbs = &per_cpu(cpu_dbs, j); - j_cdbs->prev_cpu_idle = get_cpu_idle_time(j, &j_cdbs->prev_cpu_wall, io_busy); + j_cdbs->prev_cpu_idle = get_cpu_idle_time(j, &j_cdbs->prev_update_time, io_busy); /* * Make the first invocation of dbs_update() compute the load. */ |
