--- a
+++ b/eu.opensourceprojects.mondo.benchmarks.itmfactory/models/Trace.ecore
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ecore:EPackage xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="Trace" nsURI="http://www.trace.com" nsPrefix="http://www.trace.com">
+  <eClassifiers xsi:type="ecore:EClass" name="Trace">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="levels" upperBound="-1"
+        eType="#//Level" containment="true" eOpposite="#//Level/trace"/>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" ordered="false" unique="false"
+        lowerBound="1" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Level">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="trace" ordered="false"
+        lowerBound="1" eType="#//Trace" eOpposite="#//Trace/levels"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="calls" upperBound="-1"
+        eType="#//Call" containment="true" eOpposite="#//Call/level"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Call">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="level" ordered="false"
+        lowerBound="1" eType="#//Level" eOpposite="#//Level/calls"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="indexes" lowerBound="1"
+        upperBound="-1" eType="#//Index" containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="methodName" ordered="false"
+        unique="false" lowerBound="1" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="DBAccessesNumber" ordered="false"
+        unique="false" lowerBound="1" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EInt"/>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="DBRowsNumber" ordered="false"
+        unique="false" lowerBound="1" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EInt"/>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="CPUTime" ordered="false"
+        unique="false" lowerBound="1" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EInt"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Index">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="value" ordered="false"
+        unique="false" lowerBound="1" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EInt"/>
+  </eClassifiers>
+</ecore:EPackage>