add some console messages to node qps worker

src/node/performance/worker.js

@@ -33,6 +33,7 @@
 
 'use strict';
 
+var console = require('console');
 var worker_service_impl = require('./worker_service_impl');
 
 var grpc = require('../../../');
@@ -48,6 +49,7 @@ function runServer(port) {
   var address = '0.0.0.0:' + port;
   server.bind(address, server_creds);
   server.start();
+  console.log('running QPS worker on %s', address);
   return server;
 }
 

src/node/performance/worker_service_impl.js

@@ -34,6 +34,7 @@
 'use strict';
 
 var os = require('os');
+var console = require('console');
 var BenchmarkClient = require('./benchmark_client');
 var BenchmarkServer = require('./benchmark_server');
 
@@ -49,6 +50,7 @@ exports.runClient = function runClient(call) {
     switch (request.argtype) {
       case 'setup':
       var setup = request.setup;
+      console.log('ClientConfig %j', setup);
       client = new BenchmarkClient(setup.server_targets,
                                    setup.client_channels,
                                    setup.histogram_params,
@@ -118,6 +120,7 @@ exports.runServer = function runServer(call) {
     var stats;
     switch (request.argtype) {
       case 'setup':
+      console.log('ServerConfig %j', request.setup);
       server = new BenchmarkServer('[::]', request.setup.port,
                                    request.setup.security_params);
       server.start();