CPU_LOAD get total physical CPU load
Returns the "recent cpu usage" for the whole system.
This value is a double greater than 0. If the system recent cpu usage is not available, the backend returns a negative or NaN value.
function L = cpu_load(backend) arguments backend (1,:) string = ["java", "python", "sys"] end fun = hbackend(backend, "cpu_load"); L = fun(); end