clocks_calc_max

函数名称：locks_calc_max_nsecs - Returns maximum nanoseconds that can be converted*@mult: cycle to nanosecond multiplier*@shift: cycle to nanosecond divisor (power of two)*@maxadj: maximum adjustment value to mult (~11%)*@mask: bitmask for two's complement

函数原型：u64 clocks_calc_max_nsecs(unsigned int mult, unsigned int shift, unsigned int maxadj, u64 mask, u64 *max_cyc)

返回类型：u64

参数：

类型	参数	名称
unsigned int	mult
unsigned int	shift
unsigned int	maxadj
u64	mask
u64 *	max_cyc

674

max_cycles等于ULLONG_MAX

675

do_div() is NOT a C function(max_cycles, mult + maxadj)

683

max_cycles等于两数取小(max_cycles, mask)

684

max_nsecs等于locksource_cyc2ns - converts clocksource cycles to nanoseconds*@cycles: cycles*@mult: cycle to nanosecond multiplier*@shift: cycle to nanosecond divisor (power of two)* Converts clocksource cycles to nanoseconds, using the given @mult and @shift

687

如果max_cyc则max_cyc等于max_cycles

691

max_nsecs右移等于1位

693

返回:max_nsecs

**调用者**
名称	描述
clocksource_update_max_deferment	locksource_update_max_deferment - Updates the clocksource max_idle_ns & max_cycles*@cs: Pointer to clocksource to be updated
sched_clock_register

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

函数逻辑报告