函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\bfq-wf2q.c Create Date:2022-07-27 19:34:47
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：bfq_tot_busy_queues

函数原型：unsigned int bfq_tot_busy_queues(struct bfq_data *bfqd)

返回类型：unsigned int

参数：

类型参数名称
struct bfq_data *bfqd
40  返回:* Per-class (RT, BE, IDLE) number of bfq_queues containing * requests (including the queue in service, even if it is * idling).[0]加* Per-class (RT, BE, IDLE) number of bfq_queues containing * requests (including the queue in service, even if it is * idling).[1]加* Per-class (RT, BE, IDLE) number of bfq_queues containing * requests (including the queue in service, even if it is * idling).[2]
调用者
名称描述
bfq_setup_cooperatorAttempt to schedule a merge of bfqq with the currently in-service* queue or with a close queue among the scheduled queues
idling_needed_for_service_guaranteesThere is a case where idling does not have to be performed for* throughput concerns, but to preserve the throughput share of* the process associated with bfqq
bfq_dispatch_rq_from_bfqqDispatch next request from bfqq.
bfq_has_work
__bfq_dispatch_request
bfq_init_rq
bfq_get_next_queueGet next queue for service.