Testing Flight Recorder

Test.java

import java.util.Random;
import java.util.concurrent.atomic.AtomicLong;

public class Test {


    public static void main(String args[]) throws Exception {
        final AtomicLong accumulator = new AtomicLong();

        Runnable add = new Runnable() {
            Random random = new Random();

            @Override
            public void run() {
                Thread current = Thread.currentThread();
                while (!current.isInterrupted()) {
                    accumulator.addAndGet(random.nextLong());
                }
            }
        };

        Thread t1 = new Thread(add);
        Thread t2 = new Thread(add);

        t1.start();
        t2.start();

        Thread.sleep(5000);

        t1.interrupt();
        t2.interrupt();

        t1.join();
        t2.join();

        System.out.println("atomic    = " + accumulator);
    }

}