With etagres and streaming:
$ nab http://localhost:1041/about
REQ NUM: 100 RTN NUM: 100 QPS: 33 BODY TRAF: 517KB per second
REQ NUM: 300 RTN NUM: 290 QPS: 48 BODY TRAF: 750KB per second
$ ps aux | grep node
gsf 8938 25.2 2.6 757788 104256 pts/8 Sl+ 12:52 0:07 node server.js
$ node-tick-processor
...
ticks parent name