Apparently, though unproven, at 18:34 on Tuesday 10 May 2011, James did opine thusly:
> Alan McKinnon <alan.mckinnon <at> gmail.com> writes: > > otherwise. Just enable ondemand, disable everything else, and et the > > kernel > > > get on with doing what it does best: > So this is what you are saying? > > > [*] CPU Frequency scaling │ │ > │ │ [*] Enable CPUfreq debugging │ │ > │ │ <*> CPU frequency translation statistics │ │ > │ │ [ ] CPU frequency translation statistics details │ │ > │ │ Default CPUFreq governor (performance) ---> │ │ > │ │ -*- 'performance' governor │ │ > │ │ < > 'powersave' governor │ │ > │ │ < > 'userspace' governor for userspace frequency scaling│ │ > │ │ <*> 'ondemand' cpufreq policy governor │ │ > │ │ < > 'conservative' cpufreq governor │ │ > │ │ *** CPUFreq processor drivers *** │ │ > │ │ < > Processor Clocking Control interface driver │ │ > │ │ <*> ACPI Processor P-States driver │ │ > │ │ < > AMD Opteron/Athlon64 PowerNow! │ │ > │ │ < > Intel Enhanced SpeedStep (deprecated) │ │ > │ │ < > Intel Pentium 4 clock modulation Mostly. The performance governor cannot be disabled (-*-) so it is always selected, and the default should be set to ondemand. The above is for personal workstations, laptops etc. For servers requiring decent throughput and where power and cooling is not an issue, one would use a different approach of course. -- alan dot mckinnon at gmail dot com