diff --git a/dispatch.go b/dispatch.go
index 1d67d9e464..f974ea5aeb 100644
--- a/dispatch.go
+++ b/dispatch.go
@@ -10,6 +10,14 @@ var resChan = make(chan *BaseMsg, 10)
 var doneChan = make(chan bool)
 var wg sync.WaitGroup
 
+var stats struct {
+	v8workerSend      int
+	v8workerRespond   int
+	v8workerRecv      int
+	v8workerBytesSent int
+	v8workerBytesRecv int
+}
+
 // There is a single global worker for this process.
 // This file should be the only part of deno that directly access it, so that
 // all interaction with V8 can go through a single point.
@@ -24,6 +32,9 @@ func createWorker() {
 }
 
 func recv(buf []byte) (response []byte) {
+	stats.v8workerRecv++
+	stats.v8workerBytesRecv += len(buf)
+
 	msg := &BaseMsg{}
 	check(proto.Unmarshal(buf, msg))
 	assert(len(msg.Payload) > 0, "BaseMsg has empty payload.")
@@ -38,6 +49,10 @@ func recv(buf []byte) (response []byte) {
 			response = r
 		}
 	}
+	if response != nil {
+		stats.v8workerRespond++
+		stats.v8workerBytesSent += len(response)
+	}
 	return response
 }
 
@@ -79,6 +94,8 @@ func DispatchLoop() {
 		case msg := <-resChan:
 			out, err := proto.Marshal(msg)
 			err = worker.SendBytes(out)
+			stats.v8workerSend++
+			stats.v8workerBytesSent += len(out)
 			exitOnError(err)
 		case <-doneChan:
 			// All goroutines have completed. Now we can exit main().
diff --git a/integration_test.go b/integration_test.go
index 90aad560b5..aa2b998506 100644
--- a/integration_test.go
+++ b/integration_test.go
@@ -85,15 +85,17 @@ func deno(inputFn string) (actual []byte, cachedir string, err error) {
 }
 
 func integrationTestSetup() {
-	startServer()
-	cwd, err := os.Getwd()
-	if err != nil {
-		panic(err)
+	if denoFn == "" {
+		startServer()
+		cwd, err := os.Getwd()
+		if err != nil {
+			panic(err)
+		}
+		denoFn = path.Join(cwd, "deno")
 	}
-	denoFn = path.Join(cwd, "deno")
 }
 
-func TestIntegration(t *testing.T) {
+func TestIntegrationFiles(t *testing.T) {
 	integrationTestSetup()
 	outFiles := listTestFiles()
 	for _, outFile := range outFiles {
@@ -103,7 +105,7 @@ func TestIntegration(t *testing.T) {
 	}
 }
 
-func TestUrlArgs(t *testing.T) {
+func TestIntegrationUrlArgs(t *testing.T) {
 	integrationTestSetup()
 
 	// Using good port 4545