Difference between cpu.usage and cpu.utilization counters for HostSystem object
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Article ID: 324988
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Updated On:
Products
VMware vCenter ServerVMware vSphere ESXi
Issue/Introduction
This article provides information on the differences between the cpu.usage and cpu.utilization counters for the HostSystem object.
Environment
VMware vCenter Server 5.0.x Virtual Disk Development Kit 1.0.1 VMware Virtual Disk Development 1.2 Virtual Disk Development Kit 1.1.1 Virtual Disk Development Kit 5.0 VMware vCenter Server 4.1.x Virtual Disk Development Kit 1.2 VMware vCenter Server 5.1.x Virtual Disk Development Kit 5.1 Virtual Disk Development Kit 1.1.0 VMware vCenter Server 4.0.x Virtual Disk Development Kit 1.2.1 Virtual Disk Development Kit 1.2.2
Resolution
The counters for the HostSystem object provide this information:
cpu.utilization - Provides statistics for physical CPUs.
cpu.usage - Provides statistics for logical CPUs. This is based on CPU Hyperthreading.