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Functional-Level Energy Characterization of mu C/OS-II and Cache Locking for Energy Saving

Title
Functional-Level Energy Characterization of mu C/OS-II and Cache Locking for Energy Saving
Authors
Kang, KyungtaePark, Kyung-JoonKim, Hongseok
DGIST Authors
Park, Kyung-Joon
Issue Date
2012-06
Citation
Bell Labs Technical Journal, 17(1), 219-227
Type
Article
Article Type
Article
Keywords
BellsElectrical EngineeringEnergy CharacterizationEnergy UtilizationKernel FunctionReal-Time KernelSaving EnergyTotal Energy Consumption
ISSN
1089-7089
Abstract
We show how to characterize the energy consumption of individual operating system (OS) functions in the μC/OS-II real time kernel running on an ARM7TDMI-based embedded system. We then derive a strategy for saving energy based on locking more energy-consuming kernel routines of μC/OS-II into the cache and reassigning cache locations to reduce cache contention between frequently invoked kernel functions. The proposed method saves about 37 percent of the energy otherwise consumed by the μC/OS-II kernel, leading to reductions of up to 5.9 percent in the total energy consumption, which includes the energy consumed by the application. © 2012 Alcatel-Lucent. ©2012 Alcatel-Lucent.
URI
http://hdl.handle.net/20.500.11750/5359
DOI
10.1002/bltj.21532
Publisher
Institute of Electrical and Electronics Engineers Inc.
Related Researcher
  • Author Park, Kyung-Joon CSI(Cyber-Physical Systems Integration) Lab
  • Research Interests Design of Wireless Network for Cyber-Physical System; 무선 센서 네트워크; 강인 무선 네트워크
Files:
There are no files associated with this item.
Collection:
Department of Information and Communication EngineeringCSI(Cyber-Physical Systems Integration) Lab1. Journal Articles


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