函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\sched\cpuacct.c Create Date:2022-07-27 10:44:44
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Return CPU accounting group to which this task belongs

函数原型：static inline struct cpuacct *task_ca(struct task_struct *tsk)

返回类型：struct cpuacct

参数：

类型参数名称
struct task_struct *tsk
43  返回:css_ca(循环获得css)
调用者
名称描述
cpuacct_chargeharge this task's execution time to its accounting group.* called with rq->lock held.
cpuacct_account_fieldAdd user/system time to cpuacct.* Note: it's the caller that updates the account of the root cgroup.