/********** Helpers for find_busiest_group ************************/
/*
- * sg_lb_stats - stats of a sched_group required for load_balancing
+ * sg_lb_stats - stats of a sched_group required for load-balancing:
*/
struct sg_lb_stats {
- unsigned long avg_load; /* Avg load across the CPUs of the group */
- unsigned long group_load; /* Total load over the CPUs of the group */
- unsigned long group_capacity;
- unsigned long group_util; /* Total utilization over the CPUs of the group */
+ unsigned long avg_load; /* Avg load over the CPUs of the group */
+ unsigned long group_load; /* Total load over the CPUs of the group */
+ unsigned long group_capacity; /* Capacity over the CPUs of the group */
+ unsigned long group_util; /* Total utilization over the CPUs of the group */
unsigned long group_runnable; /* Total runnable time over the CPUs of the group */
- unsigned int sum_nr_running; /* Nr of tasks running in the group */
+ unsigned int sum_nr_running; /* Nr of all tasks running in the group */
unsigned int sum_h_nr_running; /* Nr of CFS tasks running in the group */
- unsigned int idle_cpus;
+ unsigned int idle_cpus; /* Nr of idle CPUs in the group */
unsigned int group_weight;
enum group_type group_type;
unsigned int group_asym_packing; /* Tasks should be moved to preferred CPU */
};
/*
- * sd_lb_stats - Structure to store the statistics of a sched_domain
- * during load balancing.
+ * sd_lb_stats - stats of a sched_domain required for load-balancing:
*/
struct sd_lb_stats {
struct sched_group *busiest; /* Busiest group in this sd */
unsigned long total_load; /* Total load of all groups in sd */
unsigned long total_capacity; /* Total capacity of all groups in sd */
unsigned long avg_load; /* Average load across all groups in sd */
- unsigned int prefer_sibling; /* tasks should go to sibling first */
+ unsigned int prefer_sibling; /* Tasks should go to sibling first */
struct sg_lb_stats busiest_stat; /* Statistics of the busiest group */
struct sg_lb_stats local_stat; /* Statistics of the local group */