to_ratio

函数名称：to_ratio

函数原型：unsigned long to_ratio(u64 period, u64 runtime)

返回类型：unsigned long

参数：

类型	参数	名称
u64	period
u64	runtime

2924

如果runtime恒等于Single value that denotes runtime == period, ie unlimited time.则返回:BW_UNIT

2932

如果period恒等于0则返回:0

2935

返回:div64_u64 - unsigned 64bit divide with 64bit divisor*@dividend: 64bit dividend*@divisor: 64bit divisor* This implementation is a modified version of the algorithm proposed* by the book 'Hacker's Delight'. The original source and full proof

**调用者**
名称	描述
init_dl_bw
sched_dl_global_validate
init_dl_rq_bw_ratio
sched_dl_do_global
sched_dl_overflow	We must be sure that accepting a new task (or allowing changing the* parameters of an existing one) is consistent with the bandwidth* constraints. If yes, this function also accordingly updates the currently
__setparam_dl	This function initializes the sched_dl_entity of a newly becoming* SCHED_DEADLINE task.* Only the static values are considered here, the actual runtime and the* absolute deadline will be properly calculated when the task is enqueued

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码