bfq_bfqq_charge_time

Name:q_bfqq_charge_time - charge an amount of service equivalent to the length* of the time interval during which bfqq has been in* service

Proto:void bfq_bfqq_charge_time(struct bfq_data *bfqd, struct bfq_queue *bfqq, unsigned long time_ms)

Type:void

Parameter:

Type	Parameter	Name
struct bfq_data *	bfqd
struct bfq_queue *	bfqq
unsigned long	time_ms

888

entity = ity representing this queue in the scheduler

889

timeout_ms = Convert jiffies to milliseconds and back.* Avoid unnecessary multiplications/divisions in the* two most common HZ cases:

890

bounded_time_ms = min - return minimum of two values of the same or compatible types*@x: first value*@y: second value(time_ms, timeout_ms)

891

serv_to_charge_for_time = maximum budget allotted to a bfq_queue before rescheduling * bounded_time_ms / timeout_ms

893

tot_serv_to_charge = max - return maximum of two values of the same or compatible types*@x: first value*@y: second value(serv_to_charge_for_time, amount of service received during the last service slot )

896

If tot_serv_to_charge > budget, used also to calculate F_i: F_i = S_i + @budget / @weight Then budget, used also to calculate F_i: F_i = S_i + @budget / @weight = tot_serv_to_charge

899

q_bfqq_served - update the scheduler status after selection for* service.*@bfqq: the queue being served.*@served: bytes to transfer.* NOTE: this can be optimized, as the timestamps of upper level entities

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