George Dunlap

I received my PhD from the University of Michigan in December 2006. I joined XenSource in May of 2006. I've been working on analyzing performance in the Xen hypervisor. I'm currently working on a

George Dunlap
Measuring the effectiveness of a scheduler
Jul 08 2010

I’m currently writing a new scheduler, credit2, which I mean to be the general-purpose scheduler for the next generation of Xen, lasting at least several years before needing a significant overhaul. But there are some problems with writing a scheduler: * They’re used in every workload that uses a

Xen 3.3 Feature: Shadow 3
Aug 27 2008

Shadow 3 is the next step in the evolution of the shadow pagetable code.  By making the shadow pagetables behave more like a TLB, we take advantage of guest operating system TLB behavior to reduce and coalesce the number of guest pagetable changes that the hypervisor has to translate