Questions tagged [frequency]
The frequency tag has no usage guidance.
75
questions
0
votes
0
answers
257
views
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/...
0
votes
0
answers
42
views
cpu max frequency is actually the base frequency
analyzing CPU 0:
driver: acpi-cpufreq
CPUs which run at the same hardware frequency: 0
CPUs which need to have their frequency coordinated by software: 0
maximum transition latency: 10.0 us
...
0
votes
0
answers
461
views
Incomplete turbo boost on all cores in Ubuntu 22.04 and 22.10
I have an HP laptop with Core i5-8300h and it almost doesn't use all-core turbo after couple minutes after boot. When I run a single threaded task, it maintains frequencies of 3.5-4 GHz, but as I run ...
- 1
0
votes
1
answer
2k
views
Unable to limit CPU speed on Ubuntu 22.04 with cpufrequtils
Based on this: How can I easily control CPU speed on Ubuntu? I try to manually force some of my CPU cores on Ubuntu 22.04.1 5.15.0-56-generic x86_64 GNU/Linux to be limited to 800 MHz using cpufreq (...
- 1,200
0
votes
1
answer
151
views
DELL xps 9560 bad performances
I'm using ubuntu 22.04 and I have a strange issue, the I7-7700HQ frequency is inversely proportional to cpu load, for example, when I run :
stress-ng -c 8
or
7z b
the frequency drops to 800MHz on ...
- 147
1
vote
0
answers
216
views
AMD Ryzen 7 5700u CPU capped at 400 MHz in Ubuntu
Recently I was doing some benchmarks in Ubuntu 22.04.1 LTS and I realized that even though my CPU is supposed to work at a base frequency of 1.8 GHz it only works at 400 MHz, the baseline for battery ...
2
votes
1
answer
597
views
Alder Lake 12 gen laptop 400 Mhz
laptop MSI gs66 12700, ubuntu 20.04, kernel: 5.17.0-2.3-liquorix-amd64
after power disconnect CPU down to 400 Mhz and not recovering after power connect.
in result system working slow, only reset ...
- 171
8
votes
2
answers
3k
views
Determining the clock speed
I mean to determine the clock speed.
I am posting below the output of the various commands listed here.
For the max freq, I see 4 different sources, with 2 different values:
CPU max MHz: 3300,0000 ...
1
vote
1
answer
348
views
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 ...
- 740
1
vote
1
answer
876
views
CPU package power consumption is connected to nVidia GPU P-states which caused CPU to throttle during load
CPU: 7700HQ
GPU: GTX 1050
I used Prime95 to stress the CPU (using AVX2). It stabilized at 3.0GHz@45W after few minutes. It was expected result so nothing new here.
After that I installed nVidia driver ...
- 111
1
vote
0
answers
136
views
CPU frequencies wrong
So after I installed Ubuntu to my laptop, I was amazed at how quiet the laptop became. Previously on Windows the fans constantly ran at full speed. However, when I started gaming on it, framerates ...
0
votes
0
answers
160
views
5GHz frequency available but networks not showing up
My laptop has 5GHz support for Wi-Fi but 5GHz networks are not showing up. Only 2.4 Ghz networks are being listed.
5GHz networks are working perfectly in Windows. In Ubuntu, they're not showing up.
My ...
- 49
1
vote
0
answers
228
views
How can a spectrogram of a sound be plotted between a defined upper and lower frequency bound?
I would like to plot a spectrogram of a sound between a range of frequencies, specifically from 0 kHz to 2000 Hz. Using SoX (sox sound.wav -n spectrogram -x 1000 -y 800), I have been able to make a ...
- 1,220
1
vote
0
answers
281
views
What makes my CPU frequency drop on intensive application?
I am currently developing a software related to robotics, using Ros and the OpenVino toolkit on Ubuntu 18.04 LTS. I am doing some intensive computation related to computer vision, so I am looking for ...
- 111
0
votes
1
answer
159
views
What is the lowest frquency possible?
What is the minimum possible frequency of a CPU (in my case I have the Intel® Core™ i7-8750H CPU @ 2.20GHz × 12)
0
votes
0
answers
711
views
cpu max frequency
I am trying to change my cpu max frequency. I have tried with tlp, cpupower, and the solution in this same forum (the one that goes: for x in /sys/devices/system/cpu/*/cpufreq/; do echo 1700000 | sudo ...
0
votes
1
answer
454
views
Applications are ignoring/exceeding user-set CPU frequencies limitations (20.04)
I've been trying to limit the maximum allowed CPU frequency on a 2nd gen Intel i7 CPU.
To do that, I tried:
sudo cpupower -c all frequency-set --max;
TLP, setting both the percentage and frequency (...
- 105
1
vote
0
answers
179
views
Does not return maximum and minimum frequency in lscpu
I wanted to find out my computer's CPU frequency I only get CPU MHz:1800.002 BogoMIPS:3600.00.Why not showing minimum and maximum frequency?
- 11
0
votes
0
answers
36
views
Why is the CPU frequency stuck at half the maximum tolerance? [duplicate]
I have an old Processor Intel® Core™2 CPU T7200 @ 2.00GHz × 2
Why is the current frequency stuck at 1GHZ if the CPU is built for up to 2GHZ?
Here are the frequency #s when I run the following script
...
0
votes
0
answers
1k
views
How to update CPU frequency policy?
I have an Asus Laptop with i7 + ubuntu 18 (Linux 4.15.0-117-generic)
A few days ago, I don't know how, my PC became very slow. After several investigations I've found that the CPU is always at minimum ...
- 101
0
votes
0
answers
1k
views
How to lock Xeon cpu frequency to a specific clock rate?
So I am using a Xeon 2620 v4 through ssh/command line only. I have sudo access and have set all CPU governor to performance mode.
However, when I set the frequency using: "sudo cpufreq-set -f ...
- 103
4
votes
2
answers
2k
views
Intel i7-1065G7 does not reach maximal turbo boost frequency
I have a laptop with an Intel i7-1065G7 cpu. turbostat reports
35 * 100.0 = 3500.0 MHz max turbo 8 active cores
35 * 100.0 = 3500.0 MHz max turbo 7 active cores
35 * 100.0 = 3500.0 MHz max turbo 6 ...
- 267
0
votes
1
answer
266
views
Spiking CPU frequency on Thinkpad X220 with i5-2540M Processor, Ubuntu 20.04
I encounter a strange behavior on my laptop (Thinkpad X220, Intel i5-2540M CPU). I recently switched from Windows 7 to Ubuntu 20.04, and I was hoping that everything would just perfectly work. After ...
1
vote
1
answer
123
views
Adding ram to my hp laptop
I want to add 4gb ram to my laptop but confused which one should I buy as I can't figure out my ram type.
sudo dmidecode --type memory | less is giving this output
Handle 0x0025, DMI type 16, 23 bytes
...
- 345
2
votes
0
answers
25
views
CPU frequency drops to and is capped at 0.48 GHz [duplicate]
I have a Dell Inspiron 7348 (BIOS version A13, the most recent) and the CPU frequency is always capped at exactly 480 or 490 MHz. I had this same problem under win10 but modifying a registry key for ...
- 21
0
votes
2
answers
5k
views
Can I install Ubuntu 20.04 LTS on Intel Pentium Silver N5000 1.1 GHz, without problems?
Background information:
I intend to install Linux on a laptop with the following specs:
CPU: Intel Pentium Silver N5000
Base frequency: 1.1 GHz
Max Turbo frequency: 2.7 GHz
Cores: 4 (no hyper-...
- 103
1
vote
0
answers
2k
views
how can I control my cpu frequency form a kde widget
I noticed on the distro on the PineBook it has a widget to control cpu frequency is their a way to do this on a intel CPU on kde to save battery
- 21
3
votes
2
answers
1k
views
can't control cpu frequencies in 19.10 on 7390 xps 13 2-in-1
I have been unable to control the cpu frequencies using either tlp, or cpupower, or other tools. Kernel version is 5.3.0-19-generic.
I tried using intel_pstate active or turning off intel pstate with ...
- 71
2
votes
1
answer
19k
views
How to enable CPU Turbo-Boost in Ubuntu? [duplicate]
I'm having server with 9700K and want to enable turbo-boost to get 4.9 GHz.
I've installed cpufrequtils and set performance mode.
Via 'cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq' I'm ...
3
votes
2
answers
11k
views
GUI or simple Bash script to throttle the CPU?
I have an issue with a Chuwi Hi10 Pro. It occurs in Linux and Windows.
When the screen brightness is too high, or the CPU is at 100%, while plugged in, the battery starts to drain. It is a very slow ...
- 106
2
votes
3
answers
2k
views
CPU frequency limited when AC adapter is on, but no limit with battery
Here I got a strange problem with my ThinkPad X200.
This notebook uses Intel(R) Core(TM)2 Duo CPU P8600, which has a designed frequency of 2.4GHz. When I use battery only, the maximum scaling ...
- 31
2
votes
1
answer
534
views
Filter high-pitched sound on live audio
I am running Ubuntu 18.04
Sometimes, I'll play a media file and it would have been encoded badly and there will be a very high-pitched whine in the background.
Is it possible to block sound from ...
- 3,287
3
votes
1
answer
3k
views
How to change "scaling_max_freq" file (set max frequency higher)?
I have AMD A6-7310 which supports boost clock of 2.4 GHz. But, in Ubuntu 18.04, it only goes to 2.0 GHz.
If I go to: /sys/devices/system/cpu/cpufreq/policy0/scaling_max_freq
and open that file, it ...
- 127
5
votes
3
answers
33k
views
change min and max cpu frequency
Is there a way to change min/max frequency for the CPU in Ubuntu 18.04 Bionic beaver? I want to lower my max CPU frequency to maybe 1700000 to make my laptop run more silent. Below is CPU frequency ...
- 135
1
vote
1
answer
3k
views
Monitoring CPU freq in real time
I have 16.04 LTS installed on a Ryzen 1700X computer. I am able to see the frequency of each of the individual 16 threads by running the command sudo cpupower monitor. Along with the frequencies, it ...
- 3,308
1
vote
0
answers
584
views
Manually setting CPU's TSC value
On my system Ubuntu 16.04.1 with Kernel 4.13.0-36 the following TSC frequency is detected:
dmesg | grep MHz:
[ 0.004000] tsc: Detected 1800.000 MHz processor
I have an Intel i5-8250U ...
- 11
1
vote
0
answers
318
views
Can't limit cpu frequency Ubuntu 17.10, Acer Swift 3 (i5-8250)
I recently bought this laptop, I'm used to my limiting the CPU on my old one to avoid it getting too hot and extend battery when that's a priority over performance. However, cpufrequtils doesn't do ...
- 31
0
votes
0
answers
299
views
Finding the frequency of CAN (controller area network) send and receive messages
How can I find the frequency of CAN send and CAN receive messages using Ubuntu terminal?
I'm sending CAN messages using a serial port and receiving it with a Peak CAN USB.
I can find the bit rate ...
2
votes
2
answers
5k
views
Setting intel GPU limits in Ubuntu 17.04 no longer works
I was using Ubuntu MATE 16.04 before, but recently switched to 17.04 because it came with updated thermald and I assumed it will fix bugs like this for me. I had problems with thermald in Ubuntu 16.04 ...
- 371
0
votes
1
answer
2k
views
intel-pstate processor frequency very high even if in idle
I am running Ubuntu on my asus laptop with i7-4710HQ processor. I have some issue with cpu-freq scaling. When I use intel-pstate driver the frequency is always high (90% at 2.5GHz). I have read the ...
0
votes
0
answers
3k
views
I cant set the cpu frequency to maximum
i just want to set the maximum frequency of my cpu, it can go from 1.7GHz to 2.4GHz, i used cpufrequtils and tried "performance" and "userspace" but it didn't work. Here's is my cpufreq-info output:
...
1
vote
0
answers
221
views
Ubuntu 16.04 [email protected] CPU frequency capped at 0.8GHz (20% of max)
I have been running Ubuntu for a couple of months on this machine now, and all of a sudden the CPU's frequency is refusing to go any higher than 0.8GHz (20% of maximum) despite it running fine at 3.8-...
- 11
2
votes
1
answer
2k
views
How to set CPU scaling limits System-wide
I am trying to make my cpu to stay in 2.0GHz (To keep the CPU cool XD) or above with a conservative Governor, for that tried to configure minimum frequencies for my CPU using cpufreq-set
I need to ...
- 1,980
3
votes
0
answers
4k
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="...
- 31
1
vote
2
answers
733
views
Wrong Minimum frequency Core i7 CPU
The problem with my Linux machine is, the frequency reported by the files cpuinfo_min_freq and scaling_min_freq show 1200000 but in Windows it can be slowed down to 900000.
This causes my Laptop to ...
- 863
0
votes
1
answer
61
views
Ubuntu phone (Aquarius 4.5) change of UMTS frequency
I recently moved from Switzerland to Colombia. Apparently the UMTS frequency of my operator (Tigo) here is 1900 MHZ while the phone is on 2100 MHZ.
Therefore I can't get a connection.
Is there a way ...
- 1
0
votes
2
answers
882
views
Forcibly reduce usable CPU
I'm looking for some sort of method to reduce the heat produced by my laptop. I was wondering if there is a method to throttle the CPU usage in Linux.
I have a laptop whose fan seems to be going a ...
- 111
4
votes
3
answers
7k
views
Indicator displaying current CPU frequency and usage
Unfortunately, it seems that cpufreq indicator is only showing an icon indicating proportional frequency instead of precise number I would like to see.
Is there any indicator showing actual CPU ...
- 153
0
votes
1
answer
2k
views
Frequency scaling no longer works after kernel upgrade
Using kernel 3.13.0-37, CPU frequency scaling works and I can control it using the CPU frequency control applet.
I have upgraded to kernel 3.16.0-38, the applet now informs me that CPU frequency ...
- 2,260
0
votes
1
answer
488
views
Problem with CPUPower
I have set my CPU frequency to min and max, but when my laptop is plugged to the adapter it changes it automatically the min and max frequency to the maximum CPU frequency (2.2Ghz). When it is ...
- 409