Go does this well, too. iirc the std library has a package for serving <http://blah/debug/pprof/goroutines http://blah/debug/pprof/goroutines> so you don't even

Go does this well, too. iirc the std library has a package for serving <http://blah/debug/pprof/goroutines http://blah/debug/pprof/goroutines> so you don't even need to ssh in to the server in question. There are libraries for doing the same for any language that just uses kernel threads. It's when you throw in async that you really need to reinvent this kind of observability, and Rust isn't there yet unfortunately.