#!/usr/bin/perl
use strict;
use warnings;
use Sys::Statistics::Linux;
$|++;
my $header = 20;
my $interval = 1;
my $column = 10;
my @order = qw(avg_1 avg_5 avg_15);
my $h_int = $header;
my $lxs = Sys::Statistics::Linux->new(loadavg => 1);
while ( 1 ) {
my $stats = $lxs->get->loadavg;
if ($h_int == $header) {
printf "%${column}s", $_ for ('date', 'time', @order);
print "\n";
}
my ($date, $time) = $lxs->gettime;
printf "%${column}s", $_ for ($date, $time);
printf "%${column}s", $stats->{$_} for @order;
print "\n";
$h_int = $header if --$h_int == 0;
sleep $interval;
}