public static BandWidth getNetworkUsage() {
		long rx = 0;
		long tx = 0;

		if (!networkIFs.isEmpty()) {
			for (NetworkIF net : networkIFs) {
				net.updateAttributes();
				rx += net.getBytesRecv();
				tx += net.getBytesSent();
			}
		}
		return getBandWidth(rx, tx);
	}
Utilities for get system information.

@since 3.5.1
ngrinder-core/src/main/java/org/ngrinder/common/util/SystemInfoUtils.java