Messages in this thread | | | From | John Stultz <> | Date | Thu, 30 Mar 2017 13:03:50 -0700 | Subject | Re: Apparent backward time travel in timestamps on file creation |
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On Thu, Mar 30, 2017 at 12:35 PM, David Howells <dhowells@redhat.com> wrote: > Linus Torvalds <torvalds@linux-foundation.org> 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
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