Follow along as @albcr uses BPF tools to hunt down the root cause of a hairy @kubernetesio performance issue for a client.
Our Kinvolk Labs team subsequently integrated those tools into Inspektor Gadget, allowing cluster-wide debugging.
It's all here
https://kinvolk.io/blog/2020/04/inside-kinvolk-labs-investigating-kubernetes-performance-issues-with-bpf/ …
From the post: “Through their knowledge of the latest Linux kernel technologies, the Kinvolk Labs team got to the bottom of our problem in a couple of days. We were really impressed by their expertise and recommend their services to anyone in a similarly challenging situation."