2026-10-05T09:34:11Z https://drops.dagstuhl.de/oai

oai:drops-oai.dagstuhl.de:25422 2026-03-19T12:46:43Z ddc:004 open_access

Efficient Design of High-Resolution Timekeeping in Real-Time Operating Systems Terraneo, Federico Cattaneo, Daniele RTOS Task Scheduling Multiprocessing High-resolution timekeeping is a desirable feature in real-time operating systems targeting microcontrollers, which traditionally has been held back due to its impact on context switch overhead. In this paper we present the design of a timing subsystem that decouples preemption from the timekeeping operation. This design, making use of 1+N hardware timers, significantly speeds up the context switch code while scaling effectively to multi-core microcontroller architectures with N cores. Preliminary experimental results on the Miosix fluid kernel show the effectiveness of the proposed design. Schloss Dagstuhl – Leibniz-Zentrum für Informatik Federico Terraneo and Daniele Cattaneo 2026 Is Part Of OASIcs, Volume 140, 7th Workshop on Next Generation Real-Time Embedded Systems (NG-RES 2026) InProceedings Text doc-type:ResearchArticle publishedVersion application/pdf doi:10.4230/OASIcs.NG-RES.2026.4 urn:nbn:de:0030-drops-254228 https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.NG-RES.2026.4 eng https://creativecommons.org/licenses/by/4.0/legalcode