函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\sched\core.c Create Date:2022-07-27 10:36:10
Last Modify:2022-05-22 13:40:38 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：activate_task

函数原型：void activate_task(struct rq *rq, struct task_struct *p, int flags)

返回类型：void

参数：

类型参数名称
struct rq *rq
struct task_struct *p
intflags
1321  如果task_contributes_to_load(p)则* This is part of a global counter where only the total sum * over all CPUs matters. A task can increase this counter on * one CPU and if it got migrated afterwards it may decrease * it on another CPU. Always updated under the runqueue lock:自减
1324  enqueue_task(rq, p, flags)
1326  归属队列等于ask_struct::on_rq states:
调用者
名称描述
ttwu_do_activate
wake_up_new_taskwake_up_new_task - wake up a newly created task for the first time.* This function will do some initial scheduler statistics housekeeping* that must be done for every newly created context, then puts the task* on the runqueue and wakes it.