On Saturday, July 14, 2018 12:20:43 AM CEST Prakash, Prashanth wrote: > 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]> >
Patch applied, thanks!
