handewo

Use `:RustRunnables` instead

I test myself, It's lower performance than `iftop` if network traffic is huge  iperf3 output  htop shows the CPU utilization is too high 

> @handewo Hmm. This is interesting but it's a separate problem - please open another issue so we can keep the discussion focused. > > Meanwhile, can you please run...

```bash > $ dnf list installed|grep bpf bpftool.x86_64 7.4.0-503.38.1.el9_5 @baseos bpftrace.x86_64 0.21.1-1.el9 @appstream libbpf.x86_64 2:1.4.0-1.el9 @baseos libbpf-devel.x86_64 2:1.4.0-1.el9 @crb ```

I think blocking API is useful, since tokio doesn't officially support fork sub-process. This is big barrier. e.g. If I want to use [reedline](https://github.com/nushell/reedline) to create shell for client, I...