[WIP] Grafana Flamegraph Panel

Building flame graphs

Please read Brendan Gregg's post

Demo

Grafana live demo

To generate metrics on the "demo" service (docker samber/node-promfiler-demo), a cronjob executes requests on API regulary.

You will see some pow() calls in the graph.

Live profiling

Prometheus + NodeJS

Prometheus exporter: Promfiler

$ npm install -g promfiler
$ promfiler app.js

Credits

This Grafana panel is based on the great library d3-flamegraph, wrote by Spiermar. :clap: :clap: