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How to enforce strict CPU frequency control in userspace?

I’m developing a tool that requires complete control over CPU frequencies on my system, but I'm running into issues with maintaining the desired frequencies. Specifically, I'm using the cpufreq-set ...
Cerberos's user avatar
0 votes
0 answers
785 views

Switching to AMD ryzen 5900x or 5950x. Any stability problem with 20.04 LTS?

I only run codes (C, Python) on my desktop which I am thinking of upgrading, either to AMD ryzen 5900x or to 5950x. I will be using ubuntu 20.04 LTS (only, no windows). Does anyone have any experience ...
user43280's user avatar
  • 184
7 votes
2 answers
10k views

Disabling AMD's equivalent (on a Zen-1 Epyc) of Intel's "turbo boost" at runtime?

This may be a terminology problem at my end and a duplicate: On Intel CPUs, I can relatively easy disable turbo boost at runtime by running something like echo 1 > /sys/devices/system/cpu/...
s-m-e's user avatar
  • 181
0 votes
0 answers
2k views

Preventing CPU throttling by kernel / Ubuntu

I'm having an issue with my CPU throttling down. I am on an A8 Quad Core machine with four 3 GHz processors. The model is a AMD A8-3870 APU with Radeon(tm) HD Graphics About 10 to 15 minutes after ...
BenjB's user avatar
  • 223
1 vote
1 answer
1k views

cpufreq support for AMD 5350 on ubuntu 17.04?

On Debian 8 I was able to set cpu governor on a small computer with a AMD 5350 apu (kabini cpu). now using ubuntu 17.04, kernel 4.10, i get: no or unknown cpufreq driver is active on this CPU Any ...
gcb's user avatar
  • 265
12 votes
2 answers
10k views

Ubuntu and processor speed detection

I've got an older laptop that I use as a media center on my TV and I'm usually installing/reinstalling/uninstalling different OS' and Apps to get it to run as smoothly as possible. One thing I ...
Scotty_80's user avatar
  • 173
0 votes
1 answer
7k views

how do I enable AMD Turbo Core the cpu on my acer aspire 7560?

I have an acer aspire 7560 that on windows supported (through acer proprietary software) boosting the cpu from 1.9ghz to up to 2.5ghz for long periods of time so long as there was adequate cooling. On ...
sbergeron's user avatar
  • 2,670
1 vote
2 answers
2k views

Turbo core not working

I got ubuntu 14.04 on hp pavalion g6 with an amd apu a6 llano which has a stock frequency of 1500mhz and is capable of boosting to 2400mhz. But on my system it's turbo boost feature is not working.
Vishvendra Singh's user avatar
2 votes
1 answer
2k views

trouble finding/installing cpu driver for AMD FX 8350

I'm very much new to Linux, but I've hunted for days and can not find any solution to my problem. I'm trying to use cpufreq to control the throttle on my cpu (AMD FX-8350, 64-bit), but I apparently do ...
user259300's user avatar
0 votes
1 answer
934 views

cpufreq not available 11.10

on 11.04 I had cpufreq working on my "AMD Turion(tm) 64 X2 Mobile Technology TL-50 stepping 02" processors, however now on oneiric cpufreq won't load. The core temperature of my cpu is normally 40 c, ...
code shogan's user avatar