Questions tagged [turbo-boost]

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42 votes
7 answers
84k views

Is Turbo Boost Working?

I recently purchased a laptop with a sandy bridge CPU that is supposed to have turbo boost. Is turbo boost supported in 11.04? How can I tell if it's working? I tried this but it seems to only detect ...
gregghz's user avatar
  • 2,120
6 votes
2 answers
28k views

How to enable Turbo-boost

I have a Dell XPS 13 (developer edition) which I bought some years ago with Ubuntu 12.04 preinstalled. I've upgraded to Ubuntu 16.04 and since then I noticed my computer became way slower than before ...
Sebastien Lorber's user avatar
4 votes
2 answers
15k views

CPU Turbo boost: modify temperature limit under 14.04

I've installed kubuntu 14.04, and there is some problem with CPU turbo frequency. I've read a lot about it, but can't find the correct answer. There is an i7-3630QM CPU @ 2.40GHz with 3.20GHz turbo ...
liszi's user avatar
  • 91
10 votes
2 answers
17k views

How to enable AMD Turbo Core on Ubuntu 14.04?

I'm using Ubuntu 14.04 (3.13.0-24-generic kernel) on AMD A8-4500m based laptop, and I've recently noticed, that AMD Turbo Core is not working at all. Everything works on Windows, however, on Linux CPU ...
m132's user avatar
  • 829
1 vote
0 answers
905 views

Fans aren't fullspeed while CPU is 100°, then CPU frequency decrease

Since I upgraded to from 12.04 to 16.04, my Dell XPS 13 (dev edition/Sputnik) laptop seems very slow (and less noisy) to me. Before upgrrading, under heavy load, I was able to hear the fans going full-...
Sebastien Lorber's user avatar
6 votes
2 answers
8k 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
  • 171
5 votes
1 answer
4k views

CPU scaling: how can current frequency be out of min-max range?

I'm trying to understand why my CPUs don't run at higher frequencies (related link) Can someone explain me how is it possible that when a min and a max are defined, the effective value finally goes ...
Sebastien Lorber's user avatar
11 votes
4 answers
47k views

How do I get turbo boost working?

I have a HP Pavilion dv6-2190us Notebook, its got 8GB DDR3 and an i7 processor with 1.60GHz (Turbo Boost up to 2.80GHz) I'm not sure if I'm doing something wrong or missing step or what but I can't ...
Alex Weber's user avatar
4 votes
4 answers
7k views

Disabling Intel Turbo Boost in 12.04

I have a question concerning Intel Turbo Boost and the ability to disable it in Ubuntu 12.04. I wanted to disable Turbo Boost because it produced a lot of heat and I didn't find a need for it in ...
AFriggenSquirrel's user avatar
4 votes
2 answers
15k views

Why is the Intel Turbo Boost Mode not running at maximum speed?

I tested CPU frequencies with either the Intel tool i7z and turbostat from the linux-tools package (sudo modprobe msr, sudo turbostat) and what I find as maximum frequencies for two different ...
joschi's user avatar
  • 1,754
2 votes
1 answer
4k views

Can't disable turbo boost since Ubuntu 16.04

I've recently updated to Ubuntu latest LTS. My computer suffers from bad cooling management, and I need to be able to disable turbo boost in order to use it comfortably. I had a script that was doing ...
Fluffy's user avatar
  • 251
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
  • 2,660