Vinay Devadas wrote: > Hi Jim, > > I just had a question about the bug you reported about Turbo > Mode not being supported on PowerTop. Wanted to clarify what > sort of statistic did you have in mind when you reported the > bug. With the observability provided by intel, I believe we > can only say we were in turbo mode for some time during the > last sampling interval. We feel the average CPU frequency > overall the last sampling interval may be a more useful > statistic. Please let us know on what you think. > I guess we already discussed this issue before? Turbo mode is exported as P0 = marked frequency + 1Mhz, but allow the processors to run faster so that the performance can be improved up to 20%. Average CPU frequency is doable by the hardware feedback mechanism.
Thanks, -Aubrey
