For me, BPF is the most exciting development in the kernel world for ages. Brendan Gregg, the author of the posted blog entry, works with BPF on observability

For me, BPF is the most exciting development in the kernel world for ages. Brendan Gregg, the author of the posted blog entry, works with BPF on observability at Netflix and delivered a keynote at UbuntuMasters 2019. The video is on his blog is a great intro. [0] I've been watching BPF for a couple of years now, and it seems slow on the uptake, but I hope Gregg is right that people will eventually start writing new drivers, firewalls, observability and security tools, loaded from userspace, but all running safely in a kernel vm, maybe even written in new async-first programming languages. [0] https://brendangregg.com/blog/2019-12-02/bpf-a-new-type-of-software.html https://brendangregg.com/blog/2019-12-02/bpf-a-new-type-of-s...