long stop;
ThreadSafeCounter[] messages = new ThreadSafeCounter[clientsCount];
for (int i = 0; i < clientsCount; i++) {
messages[i] = new ThreadSafeCounter();
new Thread(new PerformanceSessionClient(beforeAttachSignal, afterAttachSignal, attachedSignal, doneSignal,
messages[i], sessionsCount, executesPerSessionCount, messageSize)).start();
}
start = System.currentTimeMillis();
if (waitBeforeAttach) {