函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\sched\sched.h Create Date:2022-07-27 06:58:13
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__dl_sub

函数原型：static inline void __dl_sub(struct dl_bw *dl_b, u64 tsk_bw, int cpus)

返回类型：void

参数：

类型参数名称
struct dl_bw *dl_b
u64tsk_bw
intcpus
290  total_bw减等于tsk_bw
291  __dl_update(dl_b, (s32)tsk_bw / cpus)
调用者
名称描述
task_non_contendingThe utilization of a task cannot be immediately removed from* the rq active utilization (running_bw) when the task blocks
inactive_task_timer
sched_dl_overflowWe must be sure that accepting a new task (or allowing changing the* parameters of an existing one) is consistent with the bandwidth* constraints. If yes, this function also accordingly updates the currently