Performance Metrics service and manager added
diff --git a/utils/misc/src/main/java/org/onlab/metrics/MetricsComponentRegistry.java b/utils/misc/src/main/java/org/onlab/metrics/MetricsComponentRegistry.java
new file mode 100644
index 0000000..1602de6
--- /dev/null
+++ b/utils/misc/src/main/java/org/onlab/metrics/MetricsComponentRegistry.java
@@ -0,0 +1,10 @@
+package org.onlab.metrics;
+
+/**
+ * Registry Entry for Metrics Components.
+ */
+public interface MetricsComponentRegistry {
+ String getName();
+
+ MetricsFeature registerFeature(String featureName);
+}