Which Java thread is hogging the CPU?

Question

Let\'s say your Java program is taking 100% CPU. It has 50 threads. You need to find which thread is guilty. I have not found a tool that can help. Currently I use the follo

Answer 1

This is a kind of hacky way, but it seems like you could fire the application up in a debugger, and then suspend all the threads, and go through the code and find out which one isn't blocking on a lock or an I/O call in some kind of loop. Or is this like what you've already tried?