Debugging Go in prod using eBPF is a fun article about inserting a breakpoint into a working binary on Go (on any language, actually) and tracking value in a function. It helps debug on production, like in Elixir or Nodejs. It wouldn’t help much if you want to track a bit more than one value in one place but it’s a good start.

The post is a kind of pre-announce of Pixie. This is going to be a tool that will allow you to track values and debug on production. In particular, they are targeted on k8s, for whatever reason. Their scripting language PxL is… Well, it is Python.