benchmark: update to use new wrk

benchmark/http/chunked.js

@@ -21,7 +21,7 @@ function main(conf) {
   var chunk = new Buffer(conf.size);
   chunk.fill('8');
 
-  var args = ['-r', 5000, '-t', 8, '-c', conf.c];
+  var args = ['-d', '10s', '-t', 8, '-c', conf.c];
 
   var server = http.createServer(function(req, res) {
     function send(left) {

benchmark/http/cluster.js

@@ -26,8 +26,7 @@ function main(conf) {
 
     setTimeout(function() {
       var path = '/' + conf.type + '/' + conf.length;
-      var args = ['-r', '-t', 5, '-c', conf.c, '-k'];
-      var args = ['-r', 5000, '-t', 8, '-c', conf.c];
+      var args = ['-d', '10s', '-t', 8, '-c', conf.c];
 
       bench.http(path, args, function() {
         w1.destroy();

benchmark/http/end-vs-write-end.js

@@ -45,7 +45,7 @@ function main(conf) {
   }
 
   var method = conf.method === 'write' ? write : end;
-  var args = ['-r', 5000, '-t', 8, '-c', conf.c];
+  var args = ['-d', '10s', '-t', 8, '-c', conf.c];
 
   var server = http.createServer(function(req, res) {
     method(res);

benchmark/http/simple.js

@@ -15,7 +15,7 @@ function main(conf) {
   var server = require('../http_simple.js');
   setTimeout(function() {
     var path = '/' + conf.type + '/' + conf.length + '/' + conf.chunks;
-    var args = ['-r', 5000, '-t', 8, '-c', conf.c];
+    var args = ['-d', '10s', '-t', 8, '-c', conf.c];
 
     bench.http(path, args, function() {
       server.close();