函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\sched\cputime.h Create Date:2022-07-27 06:42:33
Last Modify:2021-07-28 12:50:14 Copyright©Brick
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函数名称：account_group_exec_runtime - Maintain exec runtime for a thread group

函数原型：static inline void account_group_exec_runtime(struct task_struct *tsk, unsigned long long ns)

返回类型：void

参数：

类型参数名称
struct task_struct *tsk
unsigned long longns
173  cputimer等于The following are functions that support scheduler-internal time accounting.* These functions are generally called at the timer tick. None of this depends* on CONFIG_SCHEDSTATS.
175  如果非cputimer则返回
178  atomic64_add(ns, & sum_exec_runtime)
调用者
名称描述
update_curr更新当前进程运行时间，包括虚拟运行时间
update_curr_rtUpdate the current task's runtime statistics. Skip current tasks that* are not in our scheduling class.
update_curr_dlUpdate the current task's runtime statistics (provided it is still* a -deadline task and has not been removed from the dl_rq).
put_prev_task_stop