diff --git a/lib/Monitorix.pm b/lib/Monitorix.pm
index d2a1b01..d60c3ca 100644
--- a/lib/Monitorix.pm
+++ b/lib/Monitorix.pm
@@ -23,7 +23,7 @@ package Monitorix;
 use strict;
 use warnings;
 use Exporter 'import';
-our @EXPORT = qw(logger trim get_nvidia_data flush_accounting_rules);
+our @EXPORT = qw(logger trim max get_nvidia_data flush_accounting_rules);
 
 sub logger {
 	my ($msg) = @_;
@@ -42,6 +42,14 @@ sub trim {
 	}
 }
 
+sub max {
+	my ($max, @args) = @_;
+	foreach (@args) {
+		$max = $_ if $_ > $max;
+	}
+	return $max;
+}
+
 sub get_nvidia_data {
 	my ($gpu) = @_;
 	my $total = 0;