PerformanceMonitor perfMon = new PerformanceMonitor();
final FixedDelayPerformer performer = new FixedDelayPerformer(50L);
long startDelay = System.currentTimeMillis();
for(int i=0; i<500; i++) {
perfMon.invoke(performer);
}
long endDelay = System.currentTimeMillis();
long start = System.currentTimeMillis();
for(int i=0; i<500; i++) {