public SystemDataModel getSystemDataModel() {
		try {
			SystemInfo systemInfo = agentSystemDataCollector.execute();
			return new SystemDataModel(systemInfo, this.version);
		} catch (Exception e) {
			LOGGER.error("Error while getting system data model : {} ", e.getMessage());
			LOGGER.debug("The error detail is ", e);
			return emptySystemDataModel;
		}
	}
Get current System performance.

@return {@link SystemDataModel} instance
ngrinder-core/src/main/java/net/grinder/AgentController.java