Linux uptime accounts for changes in the system clock. That is: If you advance the clock 15minute, uptime advances its starting time by 15 minutes.

$^T is simply the value of the time when your program started, and time is value of time now. So if the clock has advanced, the difference between these values will advance. Basically: deltas in perl 'time' cannot be used to judge time elapsed. They can only tell you what system clock was a two points.

In reply to Re: $BASETIME (^T) inaccurate? by Anonymous Monk
in thread $BASETIME (^T) inaccurate? by MikeL

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