Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\time\timekeeping.c Create Date:2022-07-28 10:41:50
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name: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

Proto:u64 notrace ktime_get_boot_fast_ns(void)

Type:u64

Parameter:Nothing

507  tk = timekeeper
509  Return ktime_get_mono_fast_ns() + Convert ktime_t to nanoseconds