Li, Aubrey wrote: > Mark.Haywood wrote: > >> I thought you wanted to see p-state changes? If so, you need to enable >> CPU power management. Add the following to /etc/power.conf >> >> cpupm enable >> cpu-threshold 15s >> >> Then execute /usr/sbin/pmconfig >> >> Mark >> > > Yes, Ashok want to see p-state changes. > I phoned to him and it works on his side. > So, why don't we enable speedstep as a default configuration?
Because cpupm policy (if not explicitly defined) defaults to autopm policy. autopm is disable by default on most x86 systems. See power.conf(4). Yes, there has been discussion about changing the policy. Mark
