[Feature request] `invoker list` with watch mode

[adis-io]

I'd like to see invoker list with watch/follow mode.

Is it hard to do? I thought I can try to implement, but with your help.

[gnufied]

If you want watch mode, you can simply run invoker list with watch command. i.e - watch invoker list. That should display status of processes as they start/die etc.

[adis-io]

Yeah, I knew it. Actually I'm doing it now. But I think it would be cool if it was achieved with IPC.