--- a/stress-tester/src/main/java/com/passus/st/client/http/HttpAsynchClientWorker.java	Mon Sep 11 11:57:05 2017 +0200
+++ b/stress-tester/src/main/java/com/passus/st/client/http/HttpAsynchClientWorker.java	Mon Sep 11 12:17:48 2017 +0200
@@ -42,6 +42,8 @@
 
     private final Object readerLock = new Object();
 
+    private boolean responseSynch = false;
+
     public HttpAsynchClientWorker(Emitter emitter, String name, int index) {
         super(emitter, name, index);
 
@@ -65,6 +67,14 @@
         this.waitTimeout = waitTimeout;
     }
 
+    public boolean isResponseSynch() {
+        return responseSynch;
+    }
+
+    public void setResponseSynch(boolean responseSynch) {
+        this.responseSynch = responseSynch;
+    }
+
     private void waitQuietly() {
         try {
             lock.wait(waitTimeout);
@@ -165,12 +175,14 @@
                 SessionEventsTask task = window.getSessionEventsTask(session, true);
                 task.events.add(payloadEvent);
 
-                /*HttpResponse resp = payloadEvent.getResponse();
-                HttpRequest req = payloadEvent.getRequest();
-                long respTime = time + (resp.getTimestamp() - req.getTimestamp());
-                HttpResponseEvent respEvent = new HttpResponseEvent(session, resp, respTime);
+                if (responseSynch) {
+                    HttpResponse resp = payloadEvent.getResponse();
+                    HttpRequest req = payloadEvent.getRequest();
+                    long respTime = time + (resp.getTimestamp() - req.getTimestamp());
+                    HttpResponseEvent respEvent = new HttpResponseEvent(session, resp, respTime);
 
-                task.events.add(respEvent);*/
+                    task.events.add(respEvent);
+                }
 
                 break;
             }