snmp获取vmware的esxi主机cpu信息

不采用任何监控的模板，手动用snmpwalk命令去获取esxi主机的信息。目前获取到hrSWRunPerfCPU相关的数据，请问怎么获取整个esxi主机的cpu利用率

HOST-RESOURCES-MIB::hrSWRunPerfCPU.8401 = INTEGER: 2147483647

HOST-RESOURCES-MIB::hrSWRunPerfCPU.8633 = INTEGER: 19710000

HOST-RESOURCES-MIB::hrSWRunPerfCPU.8634 = INTEGER: 2147483647

HOST-RESOURCES-MIB::hrSWRunPerfCPU.8643 = INTEGER: 112210000

HOST-RESOURCES-MIB::hrSWRunPerfCPU.8666 = INTEGER: 2147483647

HOST-RESOURCES-MIB::hrSWRunPerfCPU.8685 = INTEGER: 1179460000

HOST-RESOURCES-MIB::hrSWRunPerfCPU.8690 = INTEGER: 2147483647

HOST-RESOURCES-MIB::hrSWRunPerfCPU.8814 = INTEGER: 196200000

HOST-RESOURCES-MIB::hrSWRunPerfCPU.8821 = INTEGER: 2147483647

。。。。。。