函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\time\posix-cpu-timers.c Create Date:2022-07-27 11:47:27
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：hread_group_sample_cputime - Sample cputime for a given task*@tsk: Task for which cputime needs to be started*@samples: Storage for time samples* Called from sys_getitimer() to calculate the expiry time of an active* timer

函数原型：void thread_group_sample_cputime(struct task_struct *tsk, u64 *samples)

返回类型：void

参数：

类型参数名称
struct task_struct *tsk
u64 *samples
279  cputimer等于cputimer
280  pct等于 Empty if CONFIG_POSIX_CPUTIMERS=n
282  WARN_ON_ONCE(!timers_active)
284  proc_sample_cputime_atomic( & cputime_atomic, samples)
调用者
名称描述
get_cpu_itimer