Benchmark logging

net/AppDomain.js

@@ -57,6 +57,7 @@ function AppDomain( handler, port, cluster )
 	var http = require( "http" );
 	var server = http.createServer(
 		function(req, res) {
+			res._hrtime = process.hrtime.bigint();
 			serverHandle( server, req, res, handler );
 		}
 	);