函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\sched\fair.c Create Date:2022-07-27 10:38:53
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Task is being enqueued - update stats:

函数原型：static inline void update_stats_enqueue(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags)

返回类型：void

参数：

类型参数名称
struct cfs_rq *cfs_rq
struct sched_entity *se
intflags
996  如果非schedstat_enabled()则返回
1003  如果se不等于'curr' points to currently running entity on this cfs_rq.* It is set to NULL otherwise (i.e when none are currently running).则update_stats_wait_start(cfs_rq, se)
1006  如果flags按位与ENQUEUE_WAKEUP则update_stats_enqueue_sleeper(cfs_rq, se)
调用者
名称描述
enqueue_entityMIGRATION* dequeue* update_curr()* update_min_vruntime()* vruntime -= min_vruntime* enqueue* update_curr()* update_min_vruntime()* vruntime += min_vruntime* this way the vruntime transition between RQs is done when both* min_vruntime are up-to-date