Activity Monitor show no processes

With 10.13. I using Item2 to compile golang (src/all.bash). When cpu is get 100% The Item2 can't response. I have already open Activity Monitor. But I can't force quit the Item2. Then I quit Activity Monitor and start again.
This time it show nothing. Other graphic app Chrome and Pycharm work fine.

And I can't open Item2 and Terminal too.

I have Virtual Studio Code installed. And open it's "Integrated Termnial"(which I can have a zsh). I can pwd, But I can't ps and top (this mean it hang on don't return)

I can't open Dr Cleaner too. Something software related process monitor can work.

I also notice when the Item2 is not response. I see a process take a huge virtual memory.

Another things: I try to use Activity Monitor's tool "Running System Diagnostics" but it is always in running status and can't stop.