diff --git a/apps/foo/src/main/java/org/onlab/onos/foo/SimpleNettyClient.java b/apps/foo/src/main/java/org/onlab/onos/foo/SimpleNettyClient.java
index 06daad8..abe9192 100644
--- a/apps/foo/src/main/java/org/onlab/onos/foo/SimpleNettyClient.java
+++ b/apps/foo/src/main/java/org/onlab/onos/foo/SimpleNettyClient.java
@@ -41,6 +41,7 @@
         int iterations = args.length > 3 ? Integer.parseInt(args[3]) : 50 * 100000;
         NettyMessagingService messaging = new TestNettyMessagingService(9081);
         MetricsManager metrics = new MetricsManager();
+        Endpoint endpoint = new Endpoint(host, port);
         messaging.activate();
         metrics.activate();
         MetricsFeature feature = new MetricsFeature("latency");
@@ -48,9 +49,9 @@
         log.info("warmup....");
 
         for (int i = 0; i < warmup; i++) {
-            messaging.sendAsync(new Endpoint(host, port), "simple", "Hello World".getBytes());
+            messaging.sendAsync(endpoint, "simple", "Hello World".getBytes());
             Response response = messaging
-                    .sendAndReceive(new Endpoint(host, port), "echo",
+                    .sendAndReceive(endpoint, "echo",
                             "Hello World".getBytes());
         }
 
@@ -59,7 +60,7 @@
 
         for (int i = 0; i < iterations; i++) {
             Timer.Context context = sendAsyncTimer.time();
-            messaging.sendAsync(new Endpoint(host, port), "simple", "Hello World".getBytes());
+            messaging.sendAsync(endpoint, "simple", "Hello World".getBytes());
             context.stop();
         }
 
@@ -67,7 +68,7 @@
         for (int i = 0; i < iterations; i++) {
             Timer.Context context = sendAndReceiveTimer.time();
             Response response = messaging
-                    .sendAndReceive(new Endpoint(host, port), "echo",
+                    .sendAndReceive(endpoint, "echo",
                                     "Hello World".getBytes());
             // System.out.println("Got back:" + new String(response.get(2, TimeUnit.SECONDS)));
             context.stop();
diff --git a/apps/foo/src/main/java/org/onlab/onos/foo/SimpleNettyClientCommand.java b/apps/foo/src/main/java/org/onlab/onos/foo/SimpleNettyClientCommand.java
index cce31db..143d319 100644
--- a/apps/foo/src/main/java/org/onlab/onos/foo/SimpleNettyClientCommand.java
+++ b/apps/foo/src/main/java/org/onlab/onos/foo/SimpleNettyClientCommand.java
@@ -16,7 +16,7 @@
     //FIXME: replace these arguments with proper ones needed for the test.
     @Argument(index = 0, name = "hostname", description = "Server Hostname",
             required = false, multiValued = false)
-    String host = "localhost";
+    String hostname = "localhost";
 
     @Argument(index = 3, name = "port", description = "Port",
             required = false, multiValued = false)
@@ -24,7 +24,7 @@
 
     @Argument(index = 1, name = "warmupCount", description = "Warm-up count",
             required = false, multiValued = false)
-    String warmup = "1000";
+    String warmupCount = "1000";
 
     @Argument(index = 2, name = "messageCount", description = "Message count",
             required = false, multiValued = false)
@@ -33,10 +33,9 @@
     @Override
     protected void execute() {
         try {
-            startStandalone(new String[]{host, port, warmup, messageCount});
+            startStandalone(new String[]{hostname, port, warmupCount, messageCount});
         } catch (Exception e) {
             error("Unable to start client %s", e);
         }
     }
-
 }
diff --git a/utils/misc/src/main/java/org/onlab/metrics/MetricsManager.java b/utils/misc/src/main/java/org/onlab/metrics/MetricsManager.java
index 98e8310..8494d4e 100644
--- a/utils/misc/src/main/java/org/onlab/metrics/MetricsManager.java
+++ b/utils/misc/src/main/java/org/onlab/metrics/MetricsManager.java
@@ -78,11 +78,11 @@
 //        this.reporter = Slf4jReporter.forRegistry(this.metricsRegistry)
 //                .outputTo(log)
 //                .convertRatesTo(TimeUnit.SECONDS)
-//                .convertDurationsTo(TimeUnit.NANOSECONDS)
+//                .convertDurationsTo(TimeUnit.MICROSECONDS)
 //                .build();
         this.reporter = ConsoleReporter.forRegistry(this.metricsRegistry)
                 .convertRatesTo(TimeUnit.SECONDS)
-                .convertDurationsTo(TimeUnit.NANOSECONDS)
+                .convertDurationsTo(TimeUnit.MICROSECONDS)
                 .build();
     }