1 / 11

What is the meaning of preemption in utility based real-time scheduling?

What is the meaning of preemption in utility based real-time scheduling?. Raphael Guerra Gerhard Fohler TU Kaiserslautern Germany. utility. Utility based models. +. utility model. earliest start time. _. deadline. utility accrual. task 2. task 1. execution window. utility.

sonia-mosley
Download Presentation

What is the meaning of preemption in utility based real-time scheduling?

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. What is the meaning of preemption in utility based real-time scheduling? Raphael Guerra Gerhard Fohler TU Kaiserslautern Germany

  2. utility Utility based models + utility model earliest start time _ deadline utility accrual task 2 task 1 execution window

  3. utility Preemptions in utility model • Calculateutilityaccrual • Reference point? • Which? + _ utility accrual task 1 task 2 execution window

  4. utility Preemptions in utility model • Calculateutilityaccrual • Reference point? • Which? • Whathappens on preemption? + _ utility accrual task 1 task 2 execution window

  5. utility Preemptions in utility model • Calculateutilityaccrual • Reference point? • Which? • Whathappens on preemption? • Howmany? + same utility accrual? _ utility accrual task 1 task 2 execution window

  6. utility Preemptions in utility model • Calculateutilityaccrual • Reference point? • Which? • Whathappens on preemption? • Howmany? • Integral overexecution? + _ utility accrual task 1 task 2 execution window

  7. Motivating applications • Calculateutilityaccrual • Reference point • Multimedia • display time dictatesvideoquality • Control • Input/outputdictatecontrolperformance • Integral overexecution • ???

  8. Discussion

  9. Discussion

  10. Discussion

  11. Discussion

More Related