As to the my HP dv5000 (AMD Turion 64), I configured cpufreq in my kernel:
Power management options ----> CPU Frequency scaling ---> [*] 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 <*> AMD Opteron/Athlon64 PowerNow! < > Intel Enhanced SpeedStep <*> ACPI Processor P-States driver --- shared options [ ] /proc/acpi/processor/../performance interface (deprecated) I chose "conservative" instead of "ondemand" because of the description of the "conservative" governor in make menuconfig: "If you have a desktop machine then you should really be considering the 'ondemand' governor instead, however if you are using a laptop, PDA or even an AMD64 based computer (due to the unacceptable step-by-step latency issues between the minimum and maximum frequency transitions in the CPU) you will probably want to use this governor." Then I emerged cpudyn, but whenever i did cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor I got "powersafe". Moreover, I think I ran into those "unacceptable latency issues": now and then my mouse, the download of a web page, or whatever else stopped a few seconds. So I have removed cpudyn from my runlevel and added echo conservative > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor I think that my notebook is working better now, but I'm note sure about what I have done ;-) so ask you for your advice. Thanks Sergio -- [email protected] mailing list
