Low-power scheduling with DVFS for common RTOS on multicore platforms

  • Authors:
  • Shuai Li;Florian Broekaert

  • Affiliations:
  • THALES Communications & Security, Gennevilliers, France;THALES Communications & Security, Gennevilliers, France

  • Venue:
  • ACM SIGBED Review - Special Issue on the 3rd Embedded Operating System Workshop (EWiLi 2013)
  • Year:
  • 2014

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Abstract

This paper is on a low-power real-time scheduler integrated into a common Linux operating system. The low-power scheduler aims at reducing energy consumption in a system and uses Dynamic Voltage and Frequency Scaling (DVFS) to achieve its goal. The developed solution was implemented as a layer above the Linux OS scheduler. A framework was also developed to integrate the scheduler above Linux without modifying the kernel. We investigate the advantages, challenges, and viability of such a solution in the real-time embedded systems domain.