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Tuesday, August 18 • 2:00pm - 2:50pm
Scheduling in Xen: Past, Present and Future - Dario Faggioli, Citrix & Meng Xu, University of Pennsylvania

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The Xen-Project hypervisor provides a set of schedulers, each one suited for specific use cases. In this talk, we will discuss what they are, how  they work and what features they offer. The unmatched flexibility that Xen 4.5 offers when it comes to allocate physical processor to virtual processors will be showcased, and insights about the ongoing development
aimed at making the Credit2 scheduler ready for being used in production will be given.

We will also focus on the benefits (better average performance) and the drawbacks (less predictable behavior) of shared cache in multicore and multisocket systems. Proposals for hardware and software based approaches for partitioning the cache, and hence avoid the various virtual machine to interfere among each others, will be illustrated and discussed.
Speakers
avatar for Dario Faggioli

Dario Faggioli

Virtualization Engineer, SUSE
Dario is a Virtualization Software Engineer at SUSE. He's been active in the Open Source virtualization space for a few years. Within the Xen-Project, he is still the maintainer of the Xen hypervisor scheduler. He also works on Linux kernel, KVM, Libvirt, and QEMU. Back during his... Read More →
avatar for Meng Xu

Meng Xu

PhD Student, Apple Inc.
Meng Xu is a 3rd year PhD student in the PRECISE Center at the University of Pennsylvania. He is working on the Real-Time Xen Project, which aims to bridge the gap between real-time scheduling theory and virtualization technology. He is the contributor of the RTDS real-time scheduler... Read More →

Tuesday August 18, 2015 2:00pm - 2:50pm PDT
Ravenna AB Sheraton Seattle, 1400 6th Ave., Seattle, WA 98101
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