public class BusyThread extends Thread{

private double load;

private long duration;

/**

* Constructor which creates the thread

* @param name Name of this thread

* @param load Load % that this thread should generate

* @param duration Duration that this thread should generate the load for

*/

public BusyThread(String name, double load, long duration) {

super(name);

this.load = load;

this.duration = duration;

}

/**

* Generates the load when run

*/

@Override

public void run() {

long startTime = System.currentTimeMillis();

try {

// Loop for the given duration

while (System.currentTimeMillis() - startTime < duration) {

// Every 100ms, sleep for the percentage of unladen time

if (System.currentTimeMillis() % 100 == 0) {

Thread.sleep((long) Math.floor((1 - load) * 100));

}

}

} catch (InterruptedException e) {

e.printStackTrace();

}

}

}