CPU Frequency Scaling In Ubuntu
CPU Frequency Scaling In UbuntuSo, you have an irritatingly loud CPU fan which is making you consider whether or not launching your laptop through the nearest window is a good idea. Well, before you do that, why not give CPU frequency scaling a go. OK, first of all, roll up your sleeves and insert the p4_clockmod module: sudo modprobe p4_clockmod This shouldn’t return any output. Now, add the line p4_clockmod to /etc/modules to ensure the CPU clock scaling module starts with the system. Now, to add the CPU frequency scaling monitor applet to the panel, right click over an empty area in the panel, select 'add to panel', and select the CPU frequency applet. Hopefully it'll pop up showing the CPU frequency now. Reboot your laptop if it doesn’t seem to be working immediately. Finally, if you (like I did) get miffed off with the laptop ‘lagging’ when needing a quick boost of power, you can manually set the frequency you want it to run at. Sometimes 250Mhz just isn’t enough! sudo cpufreq-selector -f 1000000 Would set the CPU frequency to 1GHz - Easy eh? There you have it, CPU frequency scaling in 5 minutes and a good deal cheaper than lobbing your computer through a window!
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