Perl高精度计时器

use strict ;

use Time::HiRes qw(gettimeofday) ;

sub Test
{
    # sec: seconds
    # usec: microsecond
    my ($start_sec, $start_usec) = gettimeofday() ;
    
    #======================#
    # Place your code here!#
    #======================#
    
    my ($end_sec, $end_usec) = gettimeofday() ;
    
    # Compute time elipsed
    my $timeDelta = ($end_usec - $start_usec) / 1000 + ($end_sec - $start_sec) * 1000;
    print $timeDelta ;
}

&Test() ;

1 ;