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Joulemeter can be used for gaining visibility into energy use and for making several power management and provisioning decisions in data centers, client computing, and software design.
Joulemeter estimates the energy usage of a VM, computer, or software by measuring the hardware resources (CPU,
disk, memory, screen etc) being used and converting the resource usage to actual power usage based on automatically learned realistic power models.
The technology is especially helpful for IT leaders managing power management settings, PC users who wish to get fine grained visibility into their computing energy use, and enthusaist developers who wish to leverage power measurement for optimizing their software and hosted service design for power usage.