aperf/mperf

[Andriy Gapon]

on 20/11/2010 11:54 Andriy Gapon said the following:
> This suggestion sounds quite appealing.
> But I have some concerns.
> What if hardware has the capability, but there is no cpufreq - could these MSRs
> be still useful?  Or are they useful only with cpufreq?  Probably the latter...
> Then, another exotic case - if a driver like est or hwpstate is attached
> "directly", i.e. there is no acpi_perf/_PSS - would the MSRs be still useful?
> Not sure.

Perhaps this could be done in some common code to be shared between est for Intel
and hwpstate and amdtemp for AMD?

-- 
Andriy Gapon