Performance Metrics service and manager added
diff --git a/utils/misc/src/main/java/org/onlab/metrics/MetricsFeature.java b/utils/misc/src/main/java/org/onlab/metrics/MetricsFeature.java
new file mode 100644
index 0000000..7a97b08
--- /dev/null
+++ b/utils/misc/src/main/java/org/onlab/metrics/MetricsFeature.java
@@ -0,0 +1,21 @@
+package org.onlab.metrics;
+
+/**
+ * Features to tag metrics.
+ */
+public class MetricsFeature {
+    private final String name;
+
+    /**
+     * Constructs a Feature from a name.
+     *
+     * @param newName name of the Feature
+     */
+    MetricsFeature(final String newName) {
+        name = newName;
+    }
+
+    public String getName() {
+        return name;
+    }
+}