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PowerAPI is a Python framework for building software-defined power meters.

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Powerapi

License: BSD 3 GitHub Workflow Status PyPI Codecov Zenodo JOSS paper

PowerAPI is a middleware toolkit for building software-defined power meters. Software-defined power meters are configurable software libraries that can estimate the power consumption of software in real-time. PowerAPI supports the acquisition of raw metrics from a wide diversity of sensors (eg., physical meters, processor interfaces, hardware counters, OS counters) and the delivery of power consumptions via different channels (including file system, network, web, graphical). As a middleware toolkit, PowerAPI offers the capability of assembling power meters «à la carte» to accommodate user requirements.

About

PowerAPI is an open-source project developed by the Spirals project-team, a joint research group between the University of Lille and Inria.

The documentation of the project is available here.

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Contributing

If you would like to contribute code you can do so through GitHub by forking the repository and sending a pull request.

When submitting code, please make every effort to follow existing conventions and style in order to keep the code as readable as possible.

Publications

Use Cases

PowerAPI is used in a variety of projects to address key challenges of GreenIT:

  • SmartWatts is a self-adaptive power meter that can estimate the energy consumption of software containers in real-time.
  • GenPack provides a container scheduling strategy to minimize the energy footprint of cloud infrastructures.
  • VirtualWatts provides process-level power estimation of applications running in virtual machines.
  • Web Energy Archive ranks popular websites based on the energy footpring they imposes to browsers.
  • Greenspector optimises the power consumption of software by identifying potential energy leaks in the source code.

Research Projects

Currently, PowerAPI is used in two research projects:

License

PowerAPI is licensed under the BSD-3-Clause License. See the LICENSE file for details.

FOSSA Status