函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\time\timekeeping.c Create Date:2022-07-27 11:41:41
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:ktime_get_boot_fast_ns - NMI safe and fast access to boot clock.* To keep it NMI safe since we're accessing from tracing, we're not using a* separate timekeeper with updates to monotonic clock and boot offset* protected with seqlocks

函数原型:u64 notrace ktime_get_boot_fast_ns(void)

返回类型:u64

参数:

507  tk等于timekeeper
509  返回:ktime_get_mono_fast_ns()加Convert ktime_t to nanoseconds