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SubjectRe: [PATCH] Close small window for vsyscall time inconsistencies
On Mon, 7 Apr 2008, Roman Zippel wrote:
> Hi,
> On Friday 4. April 2008, john stultz wrote:
> > So Thomas and Ingo pointed out to me that they were occasionally seeing
> > small 1ns inconsistencies from clock_gettime() (and more rarely, 1us
> > inconsistencies from gettimeofday() when the 1ns inconsistency occurred
> > on a us boundary)
> What does inconsistency mean?

Time is going backwards by 1us/1nsec.

> So instead of shooting in the dark, I'd suggest to collect some
> numbers first,

That's what we did and John's analysis of the problem is pretty


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