Abstract
In virtual machine environments, it is difficult to allocate CPU resource to virtual machine efficiently because virtual machine lacks knowledge of each domains workload. Especially, realtime tasks in guest domain have to finish before their deadline, however, virtual machine scheduler is not aware of guest-level tasks and how much resources guest domain requires. In this paper, we present a virtual machine scheduling framework based on feedback mechanism. The proposed mechanism exploits various scheduling information from each domain. Xen scheduler controls the CPU allocation by increasing or decreasing CPU slices. We evaluate our prototype in terms of realtime task performance over diverse workload. Our experiment result shows that feedback mechanism effectively allocates CPU resources for guest domain in varying workloads.
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Kim, B.K., Hur, K.W., Jang, J.H., Ko, Y.W. (2011). Feedback Scheduling for Realtime Task on Xen Virtual Machine. In: Kim, Th., et al. Communication and Networking. FGCN 2011. Communications in Computer and Information Science, vol 266. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27201-1_32
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DOI: https://doi.org/10.1007/978-3-642-27201-1_32
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-27200-4
Online ISBN: 978-3-642-27201-1
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