public SystemDataModel getSystemDataModel(AgentIdentity agentIdentity) {
		return agentControllerServerDaemon.getSystemDataModel(agentIdentity);
	}
Get the current system performance of the given agent.

@param agentIdentity {@link AgentIdentity}
@return {@link SystemDataModel} instance.
ngrinder-controller/src/main/java/org/ngrinder/perftest/service/AgentManager.java