Running the example

npm run

Performing an HTTP request

curl -XPOST -H "Content-Type: application/json" -d "`cat content.json`" http://localhost:3000/authorize

Flamegraphs

Open a terminal an run:

npm run benchmark

In Linux, you need perf installed. It is available in the linux-tools package.

In another terminal, execute the following snippet to send multiple HTTP requests to the app:

ab -k -n 100 -c 10 -p content.json -T application/json http://localhost:3000/authorize

When ab finishes, go back to the intial terminal and finish execution (CONTROL + C).

A folder named "profile-{number}" will be created. It will contain a file named flamegraph.html. Open it with any web browser.