[Barrelfish-users] Scheduler Manifests
Felix Pepinghege
barrelfish at pepinghege.net
Wed Jul 20 19:21:18 CEST 2016
Hi everybody!
I recently searched for documentation on how cores are managed and
allocated for new domains in Barrelfish. In the process I found the
concept of the "scheduler manifest", briefly described in the paper
"Design principles for end-to-end multicore schedulers" and the PhD
thesis "Resource Management in a Multicore Operating System", both by
Peter Simon.
Unfortunately, the concept received no intense coverage in either of
these two publications. As far as my understanding goes, the scheduler
manifest is a string containing constraints which in turn describe the
requirements of the application. These constraints are then resolved
using the eclipse framework.
However, other questions are still open to me:
- which constraints does the framework support?
- are the constraints resolved using a parallel or a sequentiel algorithm?
As I am not familiar with the Cclipse framework or the Barrelfish code,
I would rather avoid searching for the answers to these questions in the
source code, as I have to resolve my own time constraints :)
So my modest question is if a) there is further documentation on the
subject which I haven't found, or if b) someone would be as kind as to
answer these two questions above.
Any help is much appreciated (including, of course, hints on where to
search or who to ask).
Best regards,
Felix
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