find_busiest_group man page on OpenSuSE

find_busiest_group man page on OpenSuSE

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FIND_BUSIEST_GROUP(9)		 Driver Basics		 FIND_BUSIEST_GROUP(9)

NAME
       find_busiest_group - Returns the busiest group within the sched_domain
       if there is an imbalance. If there isn't 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.

SYNOPSIS
       struct sched_group * find_busiest_group(struct lb_env * env,
					       int * balance);

ARGUMENTS
       env
	   The load balancing environment.

       balance
	   Pointer to a variable indicating if this_cpu is the appropriate cpu
	   to perform load balancing at this_level.

DESCRIPTION
       Also calculates the amount of weighted load which should be moved to
       restore balance.

RETURN
       - 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.

COPYRIGHT
Kernel Hackers Manual 3.11	 November 2013		 FIND_BUSIEST_GROUP(9)

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