Test the different options if your hardware supports these...
x x <M> /proc/cpufreq interface (deprecated) x x Default CPUFreq governor (userspace) ---> x x <M> 'performance' governor x x <M> 'powersave' governor x x --- 'userspace' governor for userspace frequency scaling x x <M> 'ondemand' cpufreq policy governor (NEW) x x [ ] /proc/sys/cpu/ interface (2.4. / OLD) (NEW) x x <*> CPU frequency table helpers (NEW) x x --- CPUFreq processor drivers x x <M> AMD Opteron/Athlon64 PowerNow!
Processor type and features --->
Symmetric multi-processing support - off
Preemptible Kernel - off (for 64bit)
IOMMU support - off
Processor family (Generic-x86-64) --->
AMD-Opteron/Athlon64 - on :)
Power management options --->
ACPI (Advanced Configuration and Power Interface) Support --->
xyz Extras - off
others - on
Debug Statements - on
CPU Frequency scaling --->
~details, see above!
Default CPUFreq governor (userspace)
Bus options (PCI etc.) --->
PCCARD (CardBus) support ---> PCCard (CardBus) support - on(M) CardBus yenta-compatible bridge support - on(M)
Device Drivers --->
~details, see above!
Bluetooth subsystem support - on
USB Serial Converter support - on