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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
DF

Dario Faggioli

Dario's first contact with Open Source was with the Linux kernel community, during his Ph.D. He is now employed by Citrix, and works full time on the Xen Project. His focus is on scheduling, his range of action is from deep down inside the hypervisor, up to toolstack and command line interfaces. In 2010 (during the Ph.D) he presented his | work on real-time scheduling at the Linux Kernel Summit. Since 2012, he presented the work he has been... Read More →
avatar for Meng Xu

Meng Xu

PhD Student, University of Pennsylvania
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 in Xen 4.5. He is also working on the Compositional Analysis for Real-Time Systems (CARTS) Project, which supports the compositionality of timing requirements of... Read More →


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

Attendees (1)