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A Deadline_driven CPU Power Consumption Management Scheme of the TMO-eCos Real-Time Embedded OS  

Park, Jeong-Hwa (한국외국어대학교 컴퓨터공학과)
Kim, Jung-Guk (한국외국어대학교 컴퓨터공학과)
Publication Information
Journal of KIISE:Computing Practices and Letters / v.15, no.4, 2009 , pp. 304-308 More about this Journal
Abstract
This paper presents the deadline driven CPU-Power management scheme for the Real-Time Embedded OS: named TMO-eCos. It used the scheduling scenarios generated by a task serialization technique for hard real- time TMO system. The serializer does a off-line analysis at design time with period, deadline and WCET of periodic tasks. Finally, TMO-eCos kernel controls the CPU speed to save the power consumption under the condition that periodic tasks do not violate deadlines. As a result, the system shows a reasonable amount of power saving. This paper presents all of these processes and test results.
Keywords
Deadline-driven power management; TMO-eCos; Hard Real-time; TMO; Dynamic voltage scaling(DVS);
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Times Cited By KSCI : 1  (Citation Analysis)
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