Thanks BUK, that certainly would explain the phenomenon.

Running on Ubuntu Linux 

$ uname -a
Linux vagrant-ubuntu-trusty-64 3.13.0-63-generic #103-Ubuntu SMP Fri A
+ug 14 21:42:59 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

[download]

The way forward always starts with a minimal test.

In reply to Re^2: Time::HiRes gettimeofday producing timestamps out of order by 1nickt
in thread Time::HiRes gettimeofday producing timestamps out of order by 1nickt

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