Have you even looked at the documentation for Time::HiRes?

$your_code =~ s/clock/time/g;

...and then you should get something like: 

perl nano foo.pl
It took 0.01027512550354 second

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In reply to Re: More Detailed Timing than Time::HiRes' clock method by McDarren
in thread More Detailed Timing than Time::HiRes' clock method by Anonymous Monk

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