> System observability with BPF Initially I thought this was about recent Spectre vulnerability variants related to BPF. Then I found it is actually discussed

> System observability with BPF Initially I thought this was about recent Spectre vulnerability variants related to BPF. Then I found it is actually discussed in BPF: what's good, what's coming, and what's needed (https://lwn.net/Articles/787856/ https://lwn.net/Articles/787856/)