@Override
		public void awaitStart() {
			int waitingTime = doRampUp();
			int threadNumber = 0;
			if (Grinder.grinder != null) {
				threadNumber = Math.max(Grinder.grinder.getThreadNumber(), 0);
			}
			synchronized (m_threadEventCondition) {
				m_numberAwaitingStart++;
				m_numberRunning++;
				m_threadEventCondition.notifyAll();
			}
			if (Grinder.grinder != null) {
				Grinder.grinder.getLogger().info("thread-{} is invoked after {} ms sleep", threadNumber,
						waitingTime);
			}

//			m_started.await(true);
		}
The number of worker threads that have been created.
ngrinder-runtime/src/main/java/net/grinder/engine/process/GrinderProcess.java