Questions tagged [cpufreq]
CPU Frequency, or CPU Frequency Scaling. This is implemented in the Linux kernel, and in versions since 3.4 use an ondemand governor by default, which saves power by using as much as is needed.
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Why does Lubuntu automatically reset my CPU into performance mode after a short time?
If I put the CPU mode into powersave or ondemand, it works for some time (5-10 minutes) but after that time Lubuntu automatically sets the CPU to performance mode.
(I see it doing sudo cat /sys/...
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Why is Ubuntu 22.04 shutting down unexpectedly?
I recently upgraded to Ubuntu 22.04 and my Dell laptop started shutting down unexpectedly. It seems like my CPUs are spiking to 100%, then shutting down.
In many cases I can’t do the most simple task, ...
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cpufreq-set fails with segmentation fault
I've a Ubuntu 16.04 running on my physical machine. Am trying to set all the cpu scaling governor to "performance".
Installed package versions are:
# dpkg -l | grep cpufreq
ii cpufrequtils ...
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indicator-cpufreq frequency lost after suspension/hibernation
As the title, I'm using indicator-cpufreq to set the frequency of the CPU. It's really useful when you are on battery and you want to save some power.
However, when I wake the laptop after a ...
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Override CPU frequency limitation on a MacBook Pro without battery
I have a MacBook Pro late 2013 that has frequency limitation at 800Mhz due to lack of battery.
I'm trying to override this limitation running Ubuntu 22.04.1 LTS
$ uname -r
5.15.0-46-generic
$ lscpu
...
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What Linux kernel interfaces does the System76 Gnome Power Management extension use to set CPU governor policies?
Just for a reference, I am speaking about the following System 76 Power Management Gnome extension available on System 76 laptop.
No matter whether I set the power management to "High Performance", "...
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CPU Frequency Error. Ubuntu on Raspberry Pi
I have Ubuntu 18.04.1 installed on my Raspberry Pi and two USB devices attached: One small bluetooth adapter and one small Wifi adapter.
I am connecting to the wifi network with wpa_supplicant like ...
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how to reducing cpu frequency (I have spent over 2 hours trying)
I want to reduce my CPU frequency to less then the original
johnul@johnul-HP-15-Notebook-PC:~$ lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little ...
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How to use cpufreq
I have watched a video about cpufreq, but its very outdated so, I want to know how can I use it now to save battery and set to power save or have full performance while charging.
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Eclipse and Spring Tool Suit (STS) hangs all the time in ubuntu mate
I find this problem with many of the linux and eclipse users who are facing this problem. When I use any other application like chrome, vlc or gimp, ubuntu mate 15.10 works fine. But when I run ...
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Strange cpufreq scaling issues: regardless of governor, max cpufreq drops incrementally on wake
I am running Ubuntu Mate 15.10 64bit (kernel 4.2.0) on a Lenovo y5070 with an i7-4710HQ cpu. I noticed recently (possibly after a recent dist-upgrade) that certain programs were really slow. After a ...
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Monitoring custom graph in CONKY
How to monitor a custom graph in CONKY. Right now I display the single values of the CPU frequency in GHz:
CPU1: ${exec echo "scale=1; $((`cpufreq-info -c 0 -f`)) / 1000 / 1000" | bc | awk '{printf "%...
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After upgrading my CPU cpufrequtils does not work
After upgrading my CPU (nothing else changed on my system) I can't change the governor of my CPU. I tried reinstalling cpufrequtils, but got the following error:
Setting up cpufrequtils (008-1) ...
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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 ...
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Why doesn't my CPU downclock when idling?
i've been fixing the Overheating, thanks for that, it worked, i just reopened my laptop and cleaned it VERY well.
but now idle is @ 50*C and not 20-30*C, because of the frequency being at max 2.5GHz.
...
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How to fix cpu being throttled to 800 MHz on Dell Precision laptop?
How would you get your CPU to reach the maximum frequency when it's being throttled to 800 MHz?
After upgrading my Ubuntu distro a few months ago, on a Dell Precision 5520 laptop, I noticed it became ...
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ALL CPU's stuck at 800Mhz ubuntu 20.04.3
Cpu's all stuck at 800Mhz
I type in watch -n1 "cat /proc/cpuinfo | grep MHz" (to see cpu's)
No matter what I do, I launch a large program and render an animation in Blender or use Octave to ...
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cpufreq: cpu frequency going down to minimum just when I need extra power
I've spent almost 3 days around this problem, to no avail.
I felt the laptop was running slow on certain tasks, slower than usual so I downloaded cpufreq extension to try and monitor and maybe ...
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Override BIOS limitation on CPU frequency
Similar to previous questions (example 1, example 2), the BIOS is limiting my CPU frequency because of a bad connection with the center pin of the adapter on my Dell Precision M5520 (which leads to ...
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Getting Stuck on Low Clock Frequencies
I have been using the Ubuntu 20.04 LTS for the past three months after dualbooting it with Windows 10, and recently it has started showing some problems.
I usually use my laptop(Lenovo Ideapad C340) ...
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CPU frequencies manually set using cpufreq doesn't seem to be effective anymore after sleep
I have set the frequencies of the 4 cores of my Intel(R) Core(TM) i7-4600U CPU @ 2.10GHz CPU to lower values (800Mhz) for energy saving when using the computer on the field using this command:
for i ...
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Ubuntu Odroid XU4 - cpufrequtils - max min speed
I try to set the cpu speed and governor for my ODROID XU4. If you may know, the litte board has 8 cores, running 4 @ 2GHz and the other 4 @1.5GHz.
That's also my question:
How should I set the min ...
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Minimum cpu frequency set when charging and battery under ~7%
I have i7-7500U (@ 2.70GHz) and the intel_pstate governor is used, I've noticed when the system has low battery (under ~7% or so) and ONLY when charging, the cpus run at the minimum frequency (400 MHz ...
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Why would gnome-system-monitor not show the CPU frequency? (18.04)
I have Ubuntu 18.04 and I can see my CPU and memory usage in system monitor, but the "Freq" widget remains empty.
I checked some files under /sys/devices/system/cpu/cpu0/cpufreq/... and it looks like ...
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Cpufrequtils not functioning after Intel P-State is Disabled
I have an Intel i9-7980XE processor. The application that I am trying to run requires me to switch off the Intel P-States and C-States. I do it via modifying the following:
GRUB_CMDLINE_LINUX_DEFAULT=...
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CPU frequency gets throttled when using multi-window on Kubuntu 18.10
This is the current CPU frequency with power plugged in:
$ cpufreq-info | grep -i "current CPU freq"
current CPU frequency is 1.54 GHz.
current CPU frequency is 1.58 GHz.
current CPU frequency ...
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How can I lock CPU frequency in Ubuntu 16.04?
It's a Server (Dell PowerEdge R730xd)
The CPU is Intel Xeon E5 2630 v4 2.2GHz
The OS and kernel is Ubuntu 16.04 and 4.15.0-33-generic
The current settings are as follows:
intel_pstate is disabled
...
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how to reset CPU max speed?
I've recently had a problem where my cpu was running at min speed constantly. This resulted in a very slow laptop and I found an article where one said it could be solved with this command:
this is ...
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Turbo boost \ freq
I am trying to define my cpu freq when rendering in Maya for example, and I can't do it.
the cpu stays at 2900MHz.
When using windows, it use to jump to 4.2\4.5 in some scenarios.
I found this thread:
...
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CPU frequency issue: What is idma64.0, and what triggers its hyper-activity?
Following up on the old question CPU frequency always at the maximum, I have found that
sudo powertop
gives a process called idma64.0 with 300 to 4200 events/second when the CPU frequency is stuck ...
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CPU frequency goes to minimum appx. 40 seconds after booting/resuming
I'm on an Acer laptop with an Intel i7-4710HQ, which is nominally clocked at 2.50 GHz/goes to 3.50 GHz with turbo boost. As soon as I can run turbostat after booting or doing a suspend/resume, it ...
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Ubuntu 16.04 - cpufrequtils scaling cores on demand?
I would like to ask if it is possible to "scale" the number of cores used on a demand base as cpufrequtilsdoes to frequency.
From BIOS I can set the number of cores to be used, in my case I use dual ...
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Ubuntu 16.04 Intel i7 4210HQ stuck at 800 MHz
I have a HP laptop with i7-4210HQ (Quad core 2.5 - 3.2) and it started running choppy and slowly all of the sudden. I looked into it and the clock speed is sitting at 800 MHz at all times. I tried ...
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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-...
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Dell Inspiron 5423 CPU low-power state Non-Dell Power Adapter
So I've been trying for hours now to get the CPU out of the low power state.
The Processor is a Dual-Core with HT @1.8ghz however because im not using a Dell Adapter its missing the protocol chip that ...
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Ubuntu Touch - can't keep cpu frequency set
I can't seem to set the cpu frequency. I've tried a number of utilities (e.g. cpufreqd / cpufrequtils), as well as just manually editing the cpu frequency using commands like:
echo performance | sudo ...
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CPUpower sets the frequency by itself
Whenever I try to change the governor or CPU frequency with CPUpower, after 10-20 seconds it starts to go up again.Lets say I set the maximum CPU frequency to 1.5GHz it will go to 1.76GHz and then to ...
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Ubuntu 14.10 cpufreq not working (not pstate problem)
About a 4-year old HP Laptop with a 2.8GHz i7, 8GB RAM. Has been upgraded individually from 11.04 through to 14.10, skipping 13.10.
Since 13.04, after booting, cpufreq-info reports:
current policy: ...
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CPU Frequency seems very high, even in powersave mode - Lubuntu 22.04
I have installed Lubuntu 22.04. on an old HP 15-db0021ng notebook.
Everything runs OK, but the CPU frequency appears very high, even when idle. It never drops below Freq: 56% and frequently scales to ...
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How to set cpu governor to performance in Ubuntu 22 server
I have already read similar posts about this but none of them is related to my situation.
When using the following command :
cpupower frequency-info
I get the following result :
analyzing CPU 0:
no ...
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Is Studio Controls available in Ubuntu Studio 23.10 and beyond?
I have been testing Ubuntu Studio 23.10. During the testing, I could not find Studio Controls, which has been available for some time in Ubuntu Studio. Is it installed? If not, is the CPU Governor ...
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Why Gnome CPUFreq settings seem to have no effect?
I'm running Ubuntu 22.04.3 LTS x86_64 and trying to set constant CPU frequency for all CPUs. Here is the status:
Why some of the CPUs disregard the Min/Max frequencies set in CPUFreq app?
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Cpu stuck at 800MHz when under load
I have a system running Ubuntu 22.04.3 LTS (GNU/Linux 5.15.0-82-generic x86_64).
I started noticing that it sits around 3.4 GHz like it should but when it goes under load, all cores drop to 800MHz.
I ...
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Ubuntu 22.04 - CPU constantly running too hot at 90°C
the output of sensors is constantly looking something like this with regular spikes over 90°C or 95°C for multiple seconds.
This does not seem healthy for the life of the CPU.
I am using a ThinkBook ...
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How to prevent thinkbook 16 laptop from underclocking and staying at low temperature?
Recently I have purchased Lenovo Thinkbook 16 G5+ IRH with Intel i7-13700H processor.
While I was stress testing CPU on AC, its frequency reached 4.0GHz for a short time and hit 90C, and then it ...
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Time spent in cpu frequency on core i5
On my old server with AMD Athlon X2 5050e processor, I have /sys/devices/system/cpu/cpu*/cpufreq/stats/time_in_state that tells me how much time the processor spent in each frequency state.
Now I have ...
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Reducing frequencies to limit the fan noise [Ryzen APU / Ubuntu 23.04]
Recently I bought a Topton Ryzen 9 5900hx minipc which is silent under normal usage, but become very loud under load and needed some way to make it quieter.
I tried lm-sensors and fancontrol, but the ...
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Only three options for CPU frequencies in Ubuntu 22.04 (AMD Ryzen 3 5300u)
I tried installing indicator-cpufreq to set a custom frequency, but I am only getting three options(image bellow).
options in indicator-cpufreq
Also, I tried running this in terminal:
cat /sys/devices/...
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Is it normal behavior for processor speed to quickly throttle, ignoring PL1/PL0 constraint power limits?
I recently got a Gigabyte Areo 17 i9-12900hk, and have put Ubuntu 22.04 kernel 5.19 on it. I ran s-tui to run it through a quick stress-test and found some odd processor behavior that does not happen ...
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Issues setting scaling governor in 22.04.1 LTS
I made a new 22.04.1 LTS install today.
I wanted to test an app I made that modifies your CPU's clock frequency.
The first step for testing was to change the scaling governor to userspace so I can set ...
