javascript - Get requests per second from node.js http server -

is there way in node.js number of open connections , number of requests per second http server?

assume following simple server:

http.createserver(function (req, res) {   res.writehead(200, {'content-type': 'text/plain'});   res.end("hello world!"); }).listen(80); 

thanks.

this when want double-check numbers ab/httperf/wrk/siege report:

var served = 0; var concurrent = 0;  http.createserver(function (req, res) {   concurrent++;   res.writehead(200, {'content-type': 'text/plain'});   settimeout(function() { // emulate async delay     served++;     concurrent--;     res.end("hello world!");   }, 10); }).listen(80);  setinterval(function() {   console.log('requests per second:' + served);   console.log('concurrent requests:' + concurrent);   served = 0; }, 1000);