Re: Apparent backward time travel in timestamps on file creation

[John Stultz]

On Thu, Mar 30, 2017 at 12:35 PM, David Howells <dhowells@xxxxxxxxxx> wrote:
> Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
>> The difference can be quite noticeable - basically the
>> "gettimeofday()" time will interpolate within timer ticks, while
>> "xtime" is just the truncated "time at timer tick" value _without_ the
>> correction.
>
> Is there any way to determine the error bar, do you know?  Or do I just make
> up a fudge factor?

Again, I'd utilize clock_gettime(CLOCK_REALTIME_COARSE, ...) for this
instead of playing with fudge factors.

thanks
-john