I'd like to propose a project to provide an enhanced platform
independent power
management architecture...to be known as "Project Tesla".
From a high level, this project would implement a set of kernel
policies (including a "default")
that would leverage existing (and forthcoming) platform specific power
management
mechanisms (including PowerNow and Enhanced Speedstep). A second goal of the
project would be to implement a platform independent power management
administrative
paradigm, though which administrators could specify (to start) power and
performance
objectives that the system would then attempt to honor though employment
of one of the
aforementioned policies. Longer term, it is conceivable that other types
of objectives
could be expressed.
Implementation of power aware scheduling policy that meshes well with
the kernel's
existing CMT and NUMA policy would be an initial focus for the project,
along with
exploration, and prototyping of an administrative facility.
Thanks,
-Eric
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