ktime_get_real_fast_ns  381 fs/pstore/platform.c 	record->time = ns_to_timespec64(ktime_get_real_fast_ns());
ktime_get_real_fast_ns  180 include/linux/timekeeping.h extern u64 ktime_get_real_fast_ns(void);
ktime_get_real_fast_ns  545 kernel/time/timekeeping.c EXPORT_SYMBOL_GPL(ktime_get_real_fast_ns);