Tracing is just one area where eBPF can be used. However there are lot of other applications. E.g. you can do a lot of low level networking (forward packets to

Tracing is just one area where eBPF can be used. However there are lot of other applications. E.g. you can do a lot of low level networking (forward packets to another host before they go into the kernel for building a router or load balancer, drop packets for a firewall) using the XDP eBPF hooks. You can have some on-host TCP policies - e.g. which thread handles a new incoming connection - expressed as eBPF hooks. And there's more.