函数逻辑报告

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Brick Technologies Co., Ltd

Source Code:include\trace\events\timer.h Create Date:2022-07-27 11:39:12
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：hrtimer_expire_entry - called immediately before the hrtimer callback*@hrtimer: pointer to struct hrtimer*@now: pointer to variable which contains current time of the* timers base.* Allows to determine the timer latency.

函数原型：static inline void trace_hrtimer_expire_entry(struct hrtimer *hrtimer, ktime_t *now)

返回类型：void

参数：

类型参数名称
struct hrtimer *hrtimer
ktime_t *now

NULL

调用者
名称描述
__run_hrtimerThe write_seqcount_barrier()s in __run_hrtimer() split the thing into 3* distinct sections:* - queued: the timer is queued* - callback: the timer is being ran* - post: the timer is inactive or (re)queued* On the read side we ensure we observe timer->state