Hi George, This version looks good. Thanks!
On 7/12/2018 12:07 AM, George Cherian wrote: > Per Section 8.4.7.1.3 of ACPI 6.2, The platform provides performance > feedback via set of performance counters. To determine the actual > performance level delivered over time, OSPM may read a set of > performance counters from the Reference Performance Counter Register > and the Delivered Performance Counter Register. > > OSPM calculates the delivered performance over a given time period by > taking a beginning and ending snapshot of both the reference and > delivered performance counters, and calculating: > > delivered_perf = reference_perf X (delta of delivered_perf counter / delta of > reference_perf counter). > > Implement the above and hook this to the cpufreq->get method. > > Signed-off-by: George Cherian <[email protected]> > Acked-by: Viresh Kumar <[email protected]> Acked-by: Prashanth Prakash <[email protected]>
