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Performance overhead of KVM on Linux 3.9 on ARM Cortex-A15
RISE., Swedish ICT, SICS, Computer Systems Laboratory.ORCID-id: 0000-0001-6173-599x
2013 (engelsk)Inngår i: Proceedings of Workshop on Virtualization for Real-Time Embedded SystemsArtikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

 A number of simple performance measurements on network, CPU and disk speed were done on a dual ARM Cortex- A15 machine running Linux inside a KVM virtual machine that uses virtio disk and networking. Unexpected behaviour was observed in the CPU and memory intensive benchmarks, and in the networking benchmarks. The average overhead of running inside KVM is between zero and 30 percent when the host is lightly loaded (running only the system software and the necessary qemu-system-arm virtualization code), but the relative overhead increases when both host and VM is busy. We conjecture that this is related to the scheduling inside the host Linux.

sted, utgiver, år, opplag, sider
2013, 9.
Emneord [en]
ARM Cortex-A15, HVM, Linux KVM, virtualization, performance
HSV kategori
Identifikatorer
URN: urn:nbn:se:ri:diva-24245OAI: oai:DiVA.org:ri-24245DiVA, id: diva2:1043325
Prosjekter
hypervTilgjengelig fra: 2016-10-31 Laget: 2016-10-31 Sist oppdatert: 2023-05-25bibliografisk kontrollert

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