ktime_get_coarse_boottime 136 include/linux/timekeeping.h return ktime_to_ns(ktime_get_coarse_boottime()); ktime_get_coarse_boottime 194 include/linux/timekeeping.h *ts = ktime_to_timespec64(ktime_get_coarse_boottime()); ktime_get_coarse_boottime 199 include/linux/timekeeping.h return ktime_divns(ktime_get_coarse_boottime(), NSEC_PER_SEC);