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 06:58:15
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：rq_clock_skip_update

函数原型：static inline void rq_clock_skip_update(struct rq *rq)

返回类型：void

参数：

类型参数名称
struct rq *rq
1112  lockdep_assert_held( & 运行队列锁)
1113  clock_update_flags或等于q::clock_update_flags bits* %RQCF_REQ_SKIP - will request skipping of clock update on the next* call to __schedule(). This is an optimisation to avoid* neighbouring rq clock updates.* %RQCF_ACT_SKIP - is set from inside of __schedule() when skipping is
调用者
名称描述
check_preempt_curr
yield_task_fairsched_yield() is very simple* The magic of dealing with the ->skip buddy is in pick_next_entity.
yield_task_dlYield task semantic for -deadline tasks is:* get off from the CPU until our next instance, with* a new runtime