find_busiest_group - Returns the busiest group within the sched_domain if there is an imbalance. If there isnAqt an imbalance, and the user has opted for power-savings, it returns a group whose CPUs can be put to idle by rebalancing those tasks elsewhere, if such a group exists.
2. SYNOPSIS ▲
struct sched_group * find_busiest_group(struct lb_env * env , int * balance );
3. ARGUMENTS ▲
The load balancing environment.
Pointer to a variable indicating if this_cpu is the appropriate cpu to perform load balancing at this_level.
4. DESCRIPTION ▲
Also calculates the amount of weighted load which should be moved to restore balance.
5. RETURNS ▲
- the busiest group if imbalance exists. - If no imbalance and user has opted for power-savings balance, return the least loaded group whose CPUs can be put to idle by rebalancing its tasks onto our group.
6. COPYRIGHT ▲