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Questions tagged [frequency]

83 questions
23
votes
4 answers

How to find out which Wi-Fi frequencies are being used the most nearby?

We have a lot of Wi-Fi connections nearby and I'd like to know which band has the least interference. I'd like to to know how many connections are on each band and pick the best to configure my router from that data.
Martin Owens -doctormo-
  • 20,245
17
votes
3 answers

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 E6320) # cat…
angainor
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8
votes
2 answers

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 to stock 1.90GHz. CPU Model = Intel(R) Core(TM)…
V.P.
  • 311
8
votes
2 answers

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 from lscpu. capacity: 3300MHz from lshw. capacity:…
sancho.s ReinstateMonicaCellio
  • 15,307
7
votes
1 answer

Display clock frequency per core using Conky

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: ${font sans-serif:bold:size=8}PROCESSORS ${hr…
Aeronaelius
  • 193
7
votes
3 answers

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 results. $ paste <(cat…
Kemzen
  • 155
5
votes
1 answer

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 latest kernel (3.17.4) and because I want to use…
Daniyal Javani
  • 1,617
5
votes
1 answer

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 reporting the correct max speed 2534000 (2.53Ghz).…
Phil2.0
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4
votes
3 answers

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 frequency real time? Maybe for each core? Ideally I…
Legat
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4
votes
1 answer

How to check current monitor frequency?

Can I check my current monitor frequency? Is it use any application or only open a applicaton?
lambda23
  • 3,362
4
votes
2 answers

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 active cores 35 * 100.0 = 3500.0 MHz max turbo 5…
0x539
  • 278
3
votes
0 answers

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="quiet splash intel_pstate=disable…
Joao Amaral
  • 31
3
votes
3 answers

How to step up my CPU's frequency?

I installed xubuntu 12.10 in a Fujitsu Siemens laptop with Intel Pentium M processor 1.86Ghz. I noticed that the processor's frequency that the "System information" mentions is only 800Mhz (step down frequency). How can I step up the frequency up to…
SteliosSk
  • 331
3
votes
2 answers

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 'intel_pstate=disabled' as a kernel boot…
Eric M.
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3
votes
1 answer

How to enable CPU Turbo-Boost in Ubuntu?

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 getting 3.6 GHz. Using Ubuntu 18.04.3 LTS.
Viktors Baikers
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