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As to the my HP dv5000 (AMD Turion 64), I configured cpufreq in my |
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kernel: |
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|
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Power management options ----> |
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CPU Frequency scaling ---> |
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[*] CPU Frequency scaling |
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[ ] Enable CPUfreq debugging |
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<*> CPU frequency translation statistics |
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[ ] CPU frequency translation statistics details |
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Default CPUFreq governor (performance) ---> |
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--- 'performance' governor |
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<*> 'powersave' governor |
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<*> 'userspace' governor for userspace frequency scaling |
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< > 'ondemand' cpufreq policy governor |
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<*> 'conservative' cpufreq governor |
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--- CPUFreq processor drivers |
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<*> AMD Opteron/Athlon64 PowerNow! |
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< > Intel Enhanced SpeedStep |
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<*> ACPI Processor P-States driver |
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--- shared options |
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[ ] /proc/acpi/processor/../performance interface (deprecated) |
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|
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I chose "conservative" instead of "ondemand" because of the |
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description of the "conservative" governor in make menuconfig: |
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"If you have a desktop machine then you should really be considering |
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the 'ondemand' governor instead, however if you are using a laptop, |
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PDA or even an AMD64 based computer (due to the unacceptable |
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step-by-step latency issues between the minimum and maximum frequency |
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transitions in the CPU) you will probably want to use this governor." |
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|
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Then I emerged cpudyn, but whenever i did |
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|
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cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor |
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|
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I got "powersafe". |
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Moreover, I think I ran into those "unacceptable latency issues": now |
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and then my mouse, the download of a web page, or whatever else |
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stopped a few seconds. |
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So I have removed cpudyn from my runlevel and added |
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|
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echo conservative |
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> /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor |
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|
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I think that my notebook is working better now, but I'm note sure |
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about what I have done ;-) so ask you for your advice. |
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|
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Thanks |
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Sergio |
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-- |
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gentoo-amd64@g.o mailing list |