create event tracing on nodejs application using trace_events

A trace_events is included to standard library for nodejs v11 or later. And it allows us to create event tracing to measure the performance for each function call.

You can do it by these steps

• clone sample code from repository: https://github.com/piggyman007/nodejs-trace-event-sample
• enter the directory by running the command: cd nodejs-trace-event
• execute the program by running the command: npm start
• you will get file node_trace.1.log
• open Google chrome browser and browse to chrome://tracing/

• click Load button and select file node_trace.1.log