Ashish Gautam(deleted)
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Controlling the CPU Frequency in a QNX 7.1 system
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Ashish Gautam(deleted)
05/03/2023 4:57 AM
post122247
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Controlling the CPU Frequency in a QNX 7.1 system
Hello.
I am trying to control the CPU frequency of a system and want to know the best way to do it. I have looked online on my
own and found 3 ways of doing the same. I want to set it to a specific number and avoid Intel Speed stepping taking it
beyond this limit.
1) Using the Startup BIOS command. (I don't have access to test it out currently) (https://www.qnx.com/developers/docs/6
.5.0SP1.update/com.qnx.doc.neutrino_utilities/s/startup-bios.html)
2) Using DVFS drivers (If you could please give me an example of how to use this)(http://www.qnx.com/developers/docs/6.6
.0_anm11_wf10/#com.qnx.doc.neutrino.technotes/topic/set_cpu_freq.html)
3) Using the "cpufreq" command.(For some reason this is not working on my system. Any help on this would also be great)(
http://www.qnx.com/developers/docs/7.1/#com.qnx.doc.neutrino.utilities/topic/c/cpufreq.html)
Apart from this if there is any other easier way to do the same would also help a ton.
Thanks In Advance
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