diff --git a/tools_scripts/benchmarker.groovy b/tools_scripts/benchmarker.groovy
new file mode 100644
index 00000000..fb99460a
--- /dev/null
+++ b/tools_scripts/benchmarker.groovy
@@ -0,0 +1,112 @@
+//@GrabResolver(name='Paho', root='https://repo.eclipse.org/content/repositories/paho-snapshots/')
+//@Grab(group='org.eclipse.paho', module='org.eclipse.paho.client.mqttv3', version='1.0.1-SNAPSHOT')
+@GrabResolver(name='Paho', root='https://repo.eclipse.org/content/repositories/paho-releases/')
+@Grab(group='org.eclipse.paho', module='mqtt-client', version='0.4.0')
+
+import org.eclipse.paho.client.mqttv3.MqttAsyncClient
+import org.eclipse.paho.client.mqttv3.MqttMessage
+import org.eclipse.paho.client.mqttv3.MqttException
+import org.eclipse.paho.client.mqttv3.MqttCallback
+import org.eclipse.paho.client.mqttv3.IMqttDeliveryToken
+import org.eclipse.paho.client.mqttv3.persist.MqttDefaultFilePersistence
+import java.util.concurrent.CountDownLatch
+import static groovy.json.JsonOutput.*
+import java.nio.ByteBuffer
+
+
+class SubscriberCallback implements MqttCallback {
+
+    int m_numReceived = 0
+    long m_startTime
+    boolean firstMessageReceived = false
+    
+    private CountDownLatch m_latch = new CountDownLatch(1)
+
+    //Maps delay to num of messages reached with that delay
+    protected Map<Long, Long> distribution = [:]
+    
+    void waitFinish() {
+        m_latch.await()
+    }
+
+    public void connectionLost(Throwable cause) {
+        m_latch.countDown()
+    }
+
+    public void messageArrived(String topic, MqttMessage message) throws Exception {
+        //println "Received message ${new String(message.payload)} on topic [${topic}]"
+        if (!firstMessageReceived) {
+            m_startTime = System.currentTimeMillis()
+            firstMessageReceived = true
+        }
+        if (topic == "/exit") {
+            long stopTime = System.currentTimeMillis()
+            long spentTime = stopTime - m_startTime
+            println "/exit received"
+            println "subscriber disconnected, received ${m_numReceived} messages in ${spentTime} ms (from first received to last one on topic /exit)"
+            client.disconnect()
+            m_latch.countDown()
+        } else {
+            ByteBuffer bb = ByteBuffer.wrap(message.payload)
+            long sentTime = bb.getLong()
+            long delay = System.currentTimeMillis() - sentTime
+            //println "-received in ${delay}(ms) on ${topic} with QoS ${message.qos}"
+            //distribution[delay] = distribution[delay] != null ? distribution[delay]++ : 1
+            if (distribution[delay] != null) {
+                distribution[delay]++
+            } else {
+                distribution[delay] = 1
+            }
+            m_numReceived++
+        }
+    }
+
+    public void deliveryComplete(IMqttDeliveryToken token) {
+        //To change body of implemented methods use File | Settings | File Templates.
+    }
+}
+
+
+def publishQos0(client, long numMessages) {
+    print "publishing.."
+    long startTime = System.currentTimeMillis()
+    (1..numMessages).each {
+        byte[] bytes = ByteBuffer.allocate(8).putLong(System.currentTimeMillis()).array();
+        client.publish('topic', bytes, 0, false)
+    }
+    client.publish('/exit', 'Exit'.bytes, 0, false)
+    long stopTime = System.currentTimeMillis()
+    long spentTime = stopTime -startTime
+    println "published in ${spentTime} ms"
+}
+
+if (args.size() < 2) {
+    println "Usage benchmarker <host> <numMessages>"
+    return
+}
+
+String host = args[0]
+long numMessages = args[1] as long
+String tmpDir = System.getProperty("java.io.tmpdir")
+MqttDefaultFilePersistence dataStore = new MqttDefaultFilePersistence(tmpDir)
+
+int rnd = (Math.random() * 100) as int
+MqttAsyncClient client = new MqttAsyncClient("tcp://${host}:1883", "SubscriberClient${rnd}", dataStore)
+def callback = new SubscriberCallback()
+client.callback = callback
+client.connect().waitForCompletion(1000);
+client.subscribe("topic", 0)
+println "subscribed to topic"
+client.subscribe("/exit", 0)
+println "subscribed to /exit"
+
+publishQos0(client, numMessages)
+
+callback.waitFinish()
+Map sorted = callback.distribution.sort( { k1, k2 -> k1 <=> k2 } as Comparator)
+//println prettyPrint(toJson(sorted))
+File csv = new File("perf.csv")
+sorted.each {delay, count -> csv << "${delay}, ${count}\r\n"}
+
+
+
diff --git a/tools_scripts/index.html b/tools_scripts/index.html
new file mode 100644
index 00000000..ca365799
--- /dev/null
+++ b/tools_scripts/index.html
@@ -0,0 +1,104 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+	<head>
+		<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+		<title>Moquette performances</title>
+		
+		
+		<!-- 1. Add these JavaScript inclusions in the head of your page -->
+		<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
+		<script type="text/javascript" src="http://code.highcharts.com/highcharts.js"></script>
+		
+		
+		<!-- 2. Add the JavaScript to initialize the chart on document ready -->
+		<script type="text/javascript">
+		$(document).ready(function() {
+			
+
+			var options = {
+				chart: {
+					renderTo: 'container',
+					type: 'line'
+				},
+				title: {
+					text: 'Moquette ping-pong Qos0'
+				},
+				xAxis: {
+					categories: [],
+					tickInterval: 100
+				},
+				yAxis: {
+					title: {
+						text: 'num msgs'
+					}
+				},
+				series: []
+			};
+			
+			/*
+			 Load the data from the CSV file. This is the contents of the file:
+			 
+				Apples,Pears,Oranges,Bananas,Plums
+				John,8,4,6,5
+				Jane,3,4,2,3
+				Joe,86,76,79,77
+				Janet,3,16,13,15
+				
+			 */ 
+			//$.get('file:///home/andrea/workspace/moquette/tools_scripts/perf_1000.csv', function(data) {
+			$.get('perf_tmp.csv', function(data) {
+				// Split the lines
+				var lines = data.split('\n');
+				var series = { 
+				        name: 'Bira',
+					//data: [1, 2, 4, 5, 6]
+					data: [/*[100,1], [200, 2], [300, 4], [400, 5], [500, 6]*/]
+				};
+				$.each(lines, function(lineNo, line) {
+					var items = line.split(',');
+					if (lineNo > 0) {
+					        var tick = parseFloat(items[0]);
+        					var value = parseFloat(items[1]);
+        					if (!isNaN(tick)) {
+                					series.data.push([tick, value]);
+        					}
+					}
+					
+					// header line containes categories
+					/*if (lineNo == 0) {
+						$.each(items, function(itemNo, item) {
+							if (itemNo > 0) options.xAxis.categories.push(item);
+						});
+					}*/
+					
+					// the rest of the lines contain data with their name in the first position
+					/*else {
+						$.each(items, function(itemNo, item) {
+							if (itemNo == 0) {
+								series.name = item;
+							} else {
+								series.data.push(parseFloat(item));
+						});
+						
+						//options.series.push(series);
+
+					}*/
+					
+				});
+				options.series.push(series);
+				var chart = new Highcharts.Chart(options);
+			});
+			
+			
+		});
+		</script>
+		
+	</head>
+	<body>
+		
+		<!-- 3. Add the container -->
+		<div id="container" style="width: 800px; height: 400px; margin: 0 auto"></div>
+		
+				
+	</body>
+</html>
diff --git a/tools_scripts/launghLocalJetty.groovy b/tools_scripts/launghLocalJetty.groovy
new file mode 100644
index 00000000..29a55806
--- /dev/null
+++ b/tools_scripts/launghLocalJetty.groovy
@@ -0,0 +1,30 @@
+@Grab(group='org.eclipse.jetty.aggregate', module='jetty-server', version='8.1.16.v20140903')
+@Grab(group='javax.servlet', module='javax.servlet-api', version='3.0.1')
+
+import org.eclipse.jetty.server.Server
+import org.eclipse.jetty.server.nio.SelectChannelConnector
+import org.eclipse.jetty.server.handler.ResourceHandler
+import org.eclipse.jetty.server.handler.HandlerList
+import org.eclipse.jetty.server.handler.DefaultHandler
+import org.eclipse.jetty.server.Handler
+
+Server server = new Server();
+SelectChannelConnector connector = new SelectChannelConnector();
+connector.setPort(8080);
+server.addConnector(connector);
+
+ResourceHandler resource_handler = new ResourceHandler();
+resource_handler.setDirectoriesListed(true);
+//resource_handler.setWelcomeFiles(["index.html"] as new String[0]);
+
+resource_handler.setResourceBase(".");
+
+HandlerList handlers = new HandlerList();
+handlers.addHandler(resource_handler)
+handlers.addHandler(new DefaultHandler());
+server.setHandler(handlers);
+
+server.start();
+println "Local server started"
+
+server.join();
\ No newline at end of file
diff --git a/tools_scripts/perf_tmp.csv b/tools_scripts/perf_tmp.csv
new file mode 100644
index 00000000..c4e5f643
--- /dev/null
+++ b/tools_scripts/perf_tmp.csv
@@ -0,0 +1,96 @@
+ms, num
+2245, 7
+2246, 14
+2247, 11
+2248, 8
+2249, 8
+2250, 7
+2251, 14
+2252, 10
+2253, 8
+2254, 9
+2255, 8
+2256, 16
+2257, 9
+2258, 8
+2259, 8
+2260, 9
+2261, 16
+2262, 8
+2263, 8
+2264, 8
+2265, 10
+2266, 21
+2267, 19
+2268, 18
+2269, 18
+2270, 20
+2271, 39
+2272, 16
+2273, 18
+2274, 17
+2275, 24
+2276, 26
+2277, 18
+2278, 25
+2279, 17
+2280, 21
+2281, 31
+2282, 10
+2283, 11
+2284, 15
+2285, 10
+2286, 9
+2287, 9
+2288, 13
+2289, 14
+2290, 10
+2291, 17
+2292, 14
+2293, 14
+2294, 16
+2295, 9
+2296, 17
+2297, 9
+2298, 17
+2299, 8
+2300, 16
+2301, 13
+2302, 16
+2303, 15
+2304, 18
+2305, 11
+2306, 16
+2307, 10
+2308, 14
+2309, 12
+2310, 14
+2311, 11
+2312, 15
+2313, 12
+2314, 14
+2315, 9
+2316, 17
+2317, 8
+2318, 15
+2319, 13
+2320, 8
+2321, 18
+2322, 9
+2323, 9
+2324, 14
+2325, 18
+2326, 18
+2327, 19
+2328, 8
+2329, 16
+2330, 11
+2331, 14
+2332, 11
+2333, 17
+2334, 8
+2335, 16
+2336, 10
+2337, 16
+2338, 11
+2339, 15