TIME+ column in top command is inaccurate

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http://serverfault.com – I just ran the top command to observe the following process chown -r me:me allMyMusic And it's been running for about 5 minutes, however the TIME+ column in the top command has reported it as running for about 0:12.10 seconds. It's also incrementing quite slowly. Has anyone experienced the TIME+ column of the top command incorrectly report the time elapsed? (HowTos)