This one looks promising. :)

It is less punctual than the original code I posted, but I might do.

But I got something strange when I replaced time() in my original code with gettimeofday: exactly precise seconds (to 5 decimal places). I am not quite sure if that is actually correct–is that just calculated to be precise or it the measurement actually precise? I believe that my measurements are not as precise as yours. :)

I tried to simplify the test using my $w2 = EV::periodic( 0, 1, 0, sub { print gettimeofday, "\n";} );, but the result was quite unprecise; here’s the output:

15748078781259
15748078791348
15748078801032
15748078811008
1574807882999
1574807883541
1574807884744
15748078851030
15748078861002
15748078871099
1574807888937
15748078892034
15748078901001
15748078912030
15748078921019
1574807893339M

[download]

Do I do something wrong?

Anyway, I use chrony, too, but my original timer function (from time to time) still complains about negative time not invented yet. Although, I use default settings of CentOS 7 for chrony–do I need to adjust something to use those smooth adjustments?

In reply to Re^4: The most precise second (timer) by tukusejssirs
in thread The most precise second (timer) by tukusejssirs

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