高手怎么查找CPU过高的Java代码。具体到行

public class Main {

    public static void main(String[] args) {
        System.out.println("Hello World!");
        Thread thread = new Thread(new Worker());

        thread.start();
    }

    static class Worker implements Runnable {

        @Override

        public void run() {

            while (true) {

                System.out.println("Thread Name:" + Thread.currentThread().getName());

            }

        }

    }
}

ps p 3036 -L -o pcpu,pid,tid,time,tname,cmd

printf "%x\n"  3046

jstack -l 3036|more