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I have an AMD TL-60 mobile processor. I've noticed that often when I watch videos, I get a really jerky playback. I can fix it if I run the following command:

echo 2000000 > /sys/devices/system/cpu/cpu1/cpufreq/scaling_max_freq
echo 2000000 > /sys/devices/system/cpu/cpu1/cpufreq/scaling_min_freq

For some reason, these values get set to 800000..even though I'm using the CPU to play video. The script helps the video playback for a while and then things go bad until I run the script again.

It appears that my laptop is a hippie and is trying to save power at the expense of being useful. I turn it off when I am not using it, but when I do have it on, I need to actually do stuff. How do I properly indoctrinate my laptop to always run at full speed?

I'm running Ubuntu 12.

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  • Should be on Superuser.com
    – DKNUCKLES
    Jul 21, 2012 at 19:20
  • 1
    does throttling happen when plugged when on AC adapter? Jul 21, 2012 at 19:21
  • Turn off all cool & quiet features in the BIOS
    – Bon Gart
    Jul 21, 2012 at 20:57
  • AC adapter is plugged in at all times.
    – User1
    Jul 21, 2012 at 22:25

1 Answer 1

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I think I solved it. I ran the following command:

echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor

And then the two other commands in my original question. It seems to work fine until I sleep the laptop. I'm wondering if the scaling governor was really set to rick_perry.

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