Re: [Xen-devel] Question on xen schedulers

["John McDermott (US Navy Employee)" <mcdermott@xxxxxxxxxxxxxxxx>]

Emmanuel asked:

>So, what scenarios do people out there care about?


We'd like to see Xen continue to support pluggable schedulers. If the 
default scheduler continues to work through the pluggable interface, 
then people who want more esoteric scheduling can write and plug in 
their own conforming scheduler. Esoteric schedulers don't have to be 
part of the Xen source tree. No one else has to maintain the esoteric 
schedulers and they are isolated from major changes by conforming to the 
pluggable scheduler interface. If someone else does want to reuse or 
build on some esoteric scheduler, they can do it without making 
substantial changes to the rest of Xen. For example, our own work with 
Xen is focused on supporting things like military-strength 
non-interference security. To do that, we might want an esoteric scheduler.
--
What is the formal semantics of the one-line program
#include "/dev/tty"
----
   .~.                 _      _
   /V\                -o)    -o)
  /( )\               /\\    /\\
  ^^^^^              _\_v   _\_v

J. P. McDermott                 Building 12
Code 5542                       John.McDermott@xxxxxxxxxxxx
Naval Research Laboratory       Tel:   +1 202.404.8301
Washington, DC 20375, USA       Fax:   +1 202.404.7942  

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