A talk I gave at DevConTLV X in November 2016
https://www.youtube.com/watch?v=lIo0cEhT-Js
Further read:
- The Flame Graph: http://queue.acm.org/detail.cfm?id=2927301
- Blazing Performance with Flame Graphs (video): https://www.usenix.org/conference/lisa13/technical-sessions/plenary/gregg
- flamegraph gem: https://github.com/SamSaffron/flamegraph
- rack-mini-profiler: https://github.com/MiniProfiler/rack-mini-profiler
- ruby-prof-flamegraph: https://github.com/oozou/ruby-prof-flamegraph