use warnings;
use strict;
use Inline "C";

my $one_minute_avg = one_minute_avg();
printf "Load avg: $one_minute_avg\n";

__END__
__C__

#include <sys/sysinfo.h>

long one_minute_avg() {
   struct sysinfo si;

   if(sysinfo(&si) == 0) {
       return si.loads[0];
   } else {
       return -1L;
   }
}

##</code><code>##

0.63 0.65 0.79 1/112 6661