函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\sched\deadline.c Create Date:2022-07-27 10:40:20
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__sub_running_bw

函数原型：static inline void __sub_running_bw(u64 dl_bw, struct dl_rq *dl_rq)

返回类型：void

参数：

类型参数名称
u64dl_bw
struct dl_rq *dl_rq
94  old等于"Active utilization" for this runqueue: increased when a* task wakes up (becomes TASK_RUNNING) and decreased when a* task blocks
96  lockdep_assert_held( & 运行队列锁)
97  "Active utilization" for this runqueue: increased when a* task wakes up (becomes TASK_RUNNING) and decreased when a* task blocks减等于dl_bw
98  SCHED_WARN_ON("Active utilization" for this runqueue: increased when a* task wakes up (becomes TASK_RUNNING) and decreased when a* task blocks > old)
99  如果"Active utilization" for this runqueue: increased when a* task wakes up (becomes TASK_RUNNING) and decreased when a* task blocks大于old则"Active utilization" for this runqueue: increased when a* task wakes up (becomes TASK_RUNNING) and decreased when a* task blocks等于0
102  cpufreq_update_util(rq_of_dl_rq(dl_rq), 0)
调用者
名称描述
sub_running_bw