Per virtual machine power metrics display in milliwatts / millijoules for VMs running on ESXi 7.0

Products

• VMware vSphere ESXi

Issue/Introduction

Symptoms:

For virtual machines running on ESXi 7.0, the power metrics "Energy usage" (energy) and "Usage" (power) might be off by a factor of 1000. I.e. a VM's reported power consumption is larger than the hosts total power consumption.

These metrics are also consumed by vRealize / Aria Operations as "Power|Total Energy (Wh)", "Power|Energy (Joule)" and "Power|Power (Watt)". 

Note that ESXi 8.0 is not affected by this conversion issue.

Environment

VMware vSphere ESXi 7.x

Cause

Per VM energy usage is measured and calculated in millijoules and converted to subsequent metrics from there, this issue is caused by a failed step in the conversion.

Resolution

This issue has been resolved in ESXi 7.0 Update 3l

Workaround:
You may work around this by dividing the values by 1000 to arrive at Watts and Joules respectively.