{"title":"Processor capacity reserves: an abstraction for managing processor usage","authors":"C. W. Mercer, S. Savage, H. Tokuda","doi":"10.1109/WWOS.1993.348160","DOIUrl":null,"url":null,"abstract":"We have briefly motivated and described processor capacity reserves and our prototype implementation of reserves in Real-Time Mach. The reservation mechanism provides a way for application programs to specify their reservation requests and incorporates a scheduling framework which supports an admission control policy. The reservation system accurately measures processor usage of individual threads, even when these threads invoke user-level servers to do work on their behalf, and the scheduler enforces reservations by relegating reserves to a time-sharing pool after their reservations have been consumed.<<ETX>>","PeriodicalId":345070,"journal":{"name":"Proceedings of IEEE 4th Workshop on Workstation Operating Systems. WWOS-III","volume":"36 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1993-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"72","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of IEEE 4th Workshop on Workstation Operating Systems. WWOS-III","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/WWOS.1993.348160","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 72
Abstract
We have briefly motivated and described processor capacity reserves and our prototype implementation of reserves in Real-Time Mach. The reservation mechanism provides a way for application programs to specify their reservation requests and incorporates a scheduling framework which supports an admission control policy. The reservation system accurately measures processor usage of individual threads, even when these threads invoke user-level servers to do work on their behalf, and the scheduler enforces reservations by relegating reserves to a time-sharing pool after their reservations have been consumed.<>
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