Linked Questions

54 votes
9 answers
213k views

Set CPU governor to performance in 18.04

I'm trying to set the CPU governor to performance in 18.04, the problem is that it never survives reboots. I've tried following these steps in an answer to this question How to set "Performance&...
Falc's user avatar
  • 816
19 votes
8 answers
48k views

Disable "ondemand" CPU scaling daemon

I have a server that, as of the upgrade to 10.04, is now running the "ondemand" CPU scaling daemon. Why would it automatically install this? I don't want my server saving power at the expense of ...
A Student at a University's user avatar
36 votes
3 answers
92k views

How to permanently set CPU power management to the powersave governor?

I'm currently using this: cpupower frequency-set --governor powersave but it resets after each reboot.
Kyra's user avatar
  • 501
22 votes
8 answers
34k views

CPU frequency is always at minimum, even if CPU usage is 100%

I don't know when this issue began to happen, it might have been since the time I installed Ubuntu (16.04, fresh). I was observing that Ubuntu was unusually slow, environment was choppy and CPU usage ...
Dugi's user avatar
  • 1,059
20 votes
3 answers
64k views

How to set "Performance" instead of "Powersave" as default?

When I start my Unity desktop the CPU indicator shows only one bar and it is set to Powersave. When I switch to Performance I have to enter an admin users password. But after system restart my CPU is ...
Witek's user avatar
  • 3,933
6 votes
3 answers
29k views

How to tweak Intel HD graphics on Ubuntu 16.04

On windows there's an Intel icon in the system tray that lets me drag a slider and switch between "performance" and "quality" graphics modes that automatically turns on and off certain features in ...
Lucas D'Abate's user avatar
2 votes
3 answers
5k views

Disable CPU frequency scaling?

I need to run ATLAS on my ubuntu laptop, but the software won't run unless you dissable CPU frequency scaling. I've tried the instructions from here http://math-atlas.sourceforge.net/atlas_install/...
Brian's user avatar
  • 131
3 votes
0 answers
5k views

Disable Hyperthreading, p-state and c-state drivers and CPU frequency scaling

I am trying to disable de p-state and c-state drivers on my desktop, i did what is described in this topic: Disable CPU frequency scaling Then i changed the grub-file: GRUB_CMDLINE_LINUX_DEFAULT="...
Joao Amaral's user avatar
1 vote
0 answers
4k views

Disable CPU throttling on Ubuntu 16.04.1 LTS

I've tried disabling CPU throttling by following instructions from here: How I can disable CPU frequency scaling and set the system to performance? No go : $ cat /proc/cpuinfo|grep MHz cpu MHz ...
user1113145's user avatar
1 vote
2 answers
2k views

Computer slow and Ubuntu not using Exchange Ram

I'am using Ubuntu Mate 14.04.2 on my Compaq mini and on certain websites it becomes extreemly low, and at that time looking at the system monitor CPU is always at 100%. (see picture attached) I ...
michael's user avatar
  • 141
0 votes
2 answers
3k views

Disable CPU frequency scaling and halts in Lenovo G50-80

I have a Lenovo G50-80 with an i5-5200U CPU running Ubuntu 16.04.2 on 4.4.0-79-generic. I would like to disable CPU frequency scaling and processor halts for running a project. I have installed i7z ...
RecursiveCursive's user avatar
1 vote
1 answer
2k views

Laptop slow performance on battery power

I recently installed Ubuntu 19.04 on an HP ProBook 430 G3 and discovered the following issues. The battery won't charge when AC pluged-in until the level drops below 15% or less, sometimes even then I ...
Vlad Balmos's user avatar
1 vote
1 answer
1k views

CPU Throttling Occurring Despite No Need For It

This seems to happen in most every linux distro I try (haven't tried windows yet). I apologize in advance for the nonstandard situation in which it arose, but I will explain that after I explain the ...
Adam Wykes's user avatar
5 votes
0 answers
835 views

Ubuntu 16.04.2 Stuck at Very Low Frequency

My Dell T7610 with 2 x E5-2650V2 processors (each with 8 real cores, regular 2.6GHz, turbo 3.4GHz) is stuck at 1.2GHz and I am unable to get it to go faster. How do I get it to go at full speed? I ...
Plato65's user avatar
  • 51