Tsung emqx mqtt benchmark example with username and password

tsung.emqx.mqtt.example.xml

<?xml version="1.0"?>
<!DOCTYPE tsung SYSTEM "/usr/local/share/tsung/tsung-1.0.dtd">
<tsung loglevel="error" version="1.0">
  <!-- t1 and t2 host record should be in /etc/hosts file (on t1,t2 machnines too) -->
	<clients>
		<client host="t1" weight="1" cpu="4" maxusers="51000">
		</client>
		<client host="t2" weight="1" cpu="4" maxusers="51000">
		</client>
	</clients>

	<servers>
	  	<server host="1.2.3.4" port="1883" type="tcp"></server>
	</servers>


	<load >
		<arrivalphase phase="1" duration="20" unit="second">
		    <users maxnumber="115000" arrivalrate="5000" unit="second"/>
		</arrivalphase>
	</load>
	<options>
		<option name="ports_range" min="1025" max="65535"/>
	</options>
	<sessions>
		<session name="mqtt-example" probability="100" type="ts_mqtt">
			<request>
				<mqtt type="connect" username="testuser" password="testpassword" clean_start="true" keepalive="60" will_topic="will_topic" will_qos="0" will_msg="will_msg" will_retain="false"></mqtt>
			</request>
			<request subst="true">
				<mqtt type="subscribe" topic="test_topic" qos="1"></mqtt>
			</request>
			<request>
				<mqtt type="waitForMessages" timeout="300"></mqtt>
			</request>
			<request subst="true">
				<mqtt type="unsubscribe" topic="test_topic"></mqtt>
			</request>
			<request>
				<mqtt type="disconnect"></mqtt>
			</request>
		</session>
	</sessions>
</tsung>