PM Interfaces Between User Space and the Kernel

This proposal has been accepted as a session.


One Line Summary

Discussion on interfaces to use for communicating the needs of user space related to power management to the kernel.


In many cases when the kernel needs to make a decision related to power management (for example, which low-power state or what performance state of a device or processor to use in the given situation), it may benefit from knowing what the needs of user space regarding performance or capacity to process data or acceptable latencies are going to be in the near future. However, interfaces available to user space for passing that kind of information seem to be inadequate and the question arises if they should be improved and, if so, in what way.


power management, power, user space, cpu, pm, device, interface

Presentation Materials



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