nagios-check_cpu check multiple processors via snmp Example command definition $USER1$/check_snmp_cpuload.pl $HOSTADDRESS$ '$ARG1$' $ARG2$ $ARG3$ $ARG4$ $ARG1$ = Community String $ARG2$ = Warning $ARG3$ = Critical $Arg4$ = Performance Data Off/On [0/1] output is: 'Status': Overall CPU load %%, CPU-n: %%, CPU-n1: %% | Performance data Error state is met if any processor reaches the warning/critical values.