函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\apic\apic.c Create Date:2022-07-27 09:26:34
Last Modify:2020-03-16 21:21:31 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：lapic_init_clockevent

函数原型：static int __init lapic_init_clockevent(void)

返回类型：int

参数：无

808  如果非lapic_timer_period则返回:负1
812  mult等于div_sc(lapic_timer_period / Clock divisor , TICK_NSEC is the time between ticks in nsec assuming SHIFTED_HZ , shift)
814  max_delta_ns等于lockevents_delta2ns - Convert a latch value (device ticks) to nanoseconds*@latch: value to convert*@evt: pointer to clock event device descriptor* Math helper, returns latch value converted to nanoseconds (bound checked)
816  max_delta_ticks等于0x7FFFFFFF
817  min_delta_ns等于lockevents_delta2ns - Convert a latch value (device ticks) to nanoseconds*@latch: value to convert*@evt: pointer to clock event device descriptor* Math helper, returns latch value converted to nanoseconds (bound checked)
819  min_delta_ticks等于0xF
821  返回:0
调用者
名称描述
calibrate_APIC_clock