Questions tagged [frequency]

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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 ...
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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 ...
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2answers
240 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 ...
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1answer
71 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 ...
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Unable to change the CPU frequency when on battery

There are multiple apps and scripts to change the CPU frequency. I have tried cpuf from this answer, cpufreq gnome extension, many CLI based apps and what not. But I am unable to change the frequency ...
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1answer
66 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 ...
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0answers
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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 ...
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456 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-...
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147 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
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Setting Horizontal frequency to 15.6KHz on VGA output?

I've made a VGA to SCART converter to use my HTPC on my CRT TV having a SCART input. So, I have got picture, but it isn't good, constant flickering of the image, unreadable. As I saw online, most ...
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2answers
674 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 ...
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1answer
3k 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 ...
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1answer
5k 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 ...
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2answers
1k 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 ...
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1answer
178 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 ...
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1answer
905 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 ...
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3answers
14k 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 ...
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1answer
1k 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 ...
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371 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 ...
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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 ...
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186 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 ...
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1answer
2k 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 ...
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1answer
1k 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 ...
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0answers
2k 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: ...
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0answers
178 views

Ubuntu 16.04 i7-4790@3.60GHz 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-...
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1answer
1k 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 ...
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0answers
3k 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="...
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2answers
629 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 ...
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1answer
59 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 ...
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2answers
703 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 ...
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3answers
5k 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 ...
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1answer
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 ...
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1answer
316 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 ...
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1answer
946 views

CPU frequency limit to 2000 on battery

I want set frequency to 2100 in battery mode but it have limit to 2000. I ran tlp ac and change CPU frequency with indicator-cpufreq to 2100 (and also check Performance) then check frequency with ...
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1answer
2k views

How can I read the Haswell Uncore frequency from Ubuntu 14.04?

I want to be able to read and if possible, change the uncore frequency for Haswell microarchitecture in Ubuntu 14.04. I know that CPU frequency can be changed by modifying values at /sys/devices/...
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1answer
865 views

Wifi connection deauthenticated by router

I use ubuntu 14.04 and I have an Acer V3-571G laptop. I have an O2 Box 6431 modem which I have received from O2. My wifi connection works fine except when I restart ubuntu or laptop. Next time it does ...
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2answers
814 views

Change Frequency But nothing different

My problem here: root@LeAn:~/Desktop# sh MinPower.sh CPU MHz: 1200.000 root@LeAn:~/Desktop# lscpu | grep MHz CPU MHz: 1200.000 root@LeAn:~/Desktop# python TestCpu.py 11....
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1answer
12k views

TLP don't change CPU frequency

I check CPU clock speed with cat /proc/cpuinfo | grep "MHz", After sudo tlp start and sudo tlp bat still frequency is 2100MHz (Maximum). Could you please help me to solve this problem? I'm using ...
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1answer
2k views

Reduce CPU frequency in battery mode automatically

Is there any way to do that? Something like xbacklight and Cuttlefish
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1answer
4k views

how to control CPU frequency in 14.04? [duplicate]

how to control CPU frequency in 14.04? juipiter and cpu-freq cannot be installed due to bugs.. Kindly help.. the pc in boiling..
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6answers
52k views

Change Logitech Unifying Reciever Frequency Band?

Recently, I bought a Logitech M570 Wireless Trackball Mouse. While I am very happy with it overall, one issue is nagging me. Every so often, the mouse will experience a input lag, so movement is jumpy ...
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1answer
834 views

CPU stuck on minimum frequency after resume from suspend and unplugged (Dell Latitude E6540)

I have a Dell Latitude E6540 (4th gen. core i7 processor). When i resume from suspend, while on battery, the processor never scales frequecy up and stays at minimum frequency (800 MHz). Does this ...
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1answer
16k views

Display clock frequency per core using Conky [duplicate]

I am using Conky to display a lot of information of my system. I managed to display the load percentage per core. But I do not know how to display the clock frequency of each core. What I have now is: ...
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2answers
642 views

How to restore the cpu frequency defaults or to align the frequency at will?

I really new at ubuntu and linux so i am not capable of understand the following: usage: update-rc.d [-n] [-f] <basename> remove update-rc.d [-n] <basename> defaults [NN | ...
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1answer
4k views

CPU frequency scaling issue - scaling_max_freq wrong

I have the an issue on my Elitebook Core 2 Duo T9600, the scaling stops to work after few seconds of high load and get stuck at 800Mhz. Temperature is around 50-60°C for both cores, bios_limit is ...
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2answers
15k views

Permanently change maximum CPU frequency

So far I've found temporary solution for my problem at Maximum CPU frequency stuck at low value, but the question that I have is how to make it permanent. Right after reboot, frequencies are set back ...
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3answers
11k views

Maximum CPU frequency stuck at low value

I have observed a problem with Ubuntu 13.04. The problem was not there on 11.10 I used earlier. The maximum CPU frequency is stuck at 2GHzon my Intel(R) Core(TM) i7-2620M CPU @ 2.70GHz (Dell Lattitude ...
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3answers
525 views

Can I sync a folder once a day rather than immediately

I want to use it to do a nightly "backup" of files from a computer where the files will change several times a day but only want to backup once a night. Is this possible?
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1answer
76 views

How to change frequency of old monitor Compaq P75 in 12.04

Unable to modify frequency of Tube Monitor Compaq P75, Monitor should work at 85 Hz (1024*768) bud does only 60 Hz. Graphic: RADEON 7500 ATI RV200.
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2answers
2k views

How can I change the frequency of the RAM, and also know its value from Ubuntu?

I am using two modules of RAM and I would like to know their frequency because at simple sight, I can't see any sign of it in the modules. When I ran memtest one time, it showed me the test settings' ...