#!/usr/bin/env perl
#
# Munin plugin for monitoring Nginx memory usage
#
# Written by AkyRhO <akyrho@gmail.com> - Please e-mail for support/question/request/feedback
#
# Last release (v0.1) 2009-04-20
# Last release (v0.1a) 2009-04-26 - fix the base to 1024
# 
# ---

if ( exists $ARGV[0] and $ARGV[0] eq "config" ) {
        print "graph_title NGINX ram usage\n";
        print "graph_vlabel ram\n";
        print "graph_category nginx\n";
        print "ram.label ram\n";
		print "graph_args --base 1024\n";
} else {
        my $i = Integer;
        @cmd = `ps auwx | grep nginx | grep -v grep | grep -v nginx_memory`;

        foreach (@cmd) {
                @return = split(/ +/, $_);
                $i += @return[5]*1024;
        }
        print "ram.value ".$i."\n";
}