Eugeny S. Mints wrote:
Pavel Machek wrote:
Hi!
[skip]
How is it going to work on 8cpu box? will
you have states like cpu1_800MHz_cpu2_1600MHz_cpu3_800MHz_... ?
basically I guess you are asking about what the names of operating points are
and how to distinguish between operating points from userspace on 8cpu box.
An advantage of PowerOP approach is that operating point name is used as a
_handle_ and may or may not be meaningful. The idea is that if a policy manager
needs to make a decision and needs to distinguish between operating points it
can check value of any power parameters of operating points in question. Power
parameter values may be obtained under <op_name> dir name.
With such approach a policy manger may compare operating points at runtime and
should not rely on compile time knowledge about what name corresponds to what
set of power parameter values. It uses name as a handle.
Eugeny
i do not operate with term 'state' so I don't understand what it means
here.
Eugeny
Pavel
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