You certainly wouldn‘t have a node graph like this in vim, because like you are saying, it just doesn‘t work well with text.

I had a look at parallel stacks and it looks nice and seems quite helpful. But I have to think, if you have that many threads that might deadlock and it happens often, if your architecture might be the issue.

Most of our parallelism is job based. There is a job queue and worker threads are taking jobs from it. So deadlocks are pretty much a non issue for us.

I‘m not trying to say that everything you‘re doing is obviously wrong, but the older I get the more suspicious I‘m getting if there‘s a need for „fancy“ debugging tools, because it might mask that there are some more serious issues in the application.