On Thu Apr 14 2022, Bagas Sanjaya wrote: > On 4/14/22 16:18, Kurt Kanzenbach wrote: >> + tai: >> + This is the tai clock (CLOCK_TAI) and is derived from the wall- >> + clock time. However, this clock does not experience >> + discontinuities and backwards jumps caused by NTP inserting leap >> + seconds. Since the clock access is designed for use in tracing, >> + side effects are possible. The clock access may yield wrong >> + readouts in case the internal TAI offset is updated e.g., caused >> + by setting the system time or using adjtimex() with an offset. >> + These effects are rare and post processing should be able to >> + handle them. See comments in the ktime_get_tai_fast_ns() >> + function for more information. >> + > > In what file are the ktime_get_tai_fast_ns() comments? In kernel/time/timekeeping.c. That function is introduced in patch #1 and has kernel doc comments. Similar to ktime_get_boot_fast_ns(). Thanks, Kurt
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