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Re: [Xen-devel] Xen 4.5 development update (July update)

The "prognosis" is now the likelihood of completion in the 4.5 timeframe.
A bunch of items had moved to the completed phase which is fantastic.

none - nothing yet
fair - still working on it, patches are prototypes or RFC
ok Â- patches posted, acting on review
good - some last minute pieces
done - all done, might have bugs

*Â XenRT (Preemptive Global Earliest Deadline First) (fair)
 ÂRFC patch posted (v2)
 - Meng Xu

âThe RFC patch v3 will be released next week and the RFC patch v4 (last one) will be released âbefore the Xen 4.5 feature freeze. both of the following two patches are focusing on improving the performance of the scheduler.

Although it's a RFC patch, the XenRT can actually works well on the machines we have. It currently has the preemptive global EDF scheduler. The functionalities I'm currently working on is improving its performance based on the review of the first version of patches.Â




Meng Xu
PhD Student in Computer and Information Science
University of Pennsylvania
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