Ubuntu :: Set Cpu To Powersave Using CPU Frequency Scaling Applet - Set Permanently?
Oct 13, 2010
Trying to set my cpu to Powersave using the CPU Frequency Scaling applet. When I set it to powersave, it goes back to ondemand on its own. On the earlier versions of Ubuntu, I used to be able to set it from the main menu: system>powermanagement, but with 10.10, I don't get that option. Is there any way that I can set it to powersave permanently? I was also able to set it with Ubuntu Tweak, but it does not have that option either.
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Sep 8, 2011
I have a suspicion that this is easily fixed, however a good google (and this forum) hammering having turned up the fix. So I probably have the wrong search criteria, My Gnome Applet for switching CPU Frequency Scaling has 'disappeared' and is not listed in the the Add to Panel.. list of applets.
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Aug 11, 2009
My laptop is a unibody macbook and has an intel core 2 duo processor. The CPU Scaling Utility never drops below 1.60Ghz. Is this normal? Also. in the ferquency governors, powersave does not appear. Can I install it?
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Jan 17, 2010
I have the CPU frequency scaling applet in the panel and it worked fine when I had 8.10 but now that I'm using Karmic, I cant get it to work correctly!
It won't change the speed to what I tell it to. I click on a different speed and it does nothing.
The CPU spins too slowly and videos lag or it spins at full speed and overheats even though I have nothing open! I really need to be able to adjust it.
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Jun 28, 2010
I am new to ubuntu. I have just one question, everytime I reboot my laptop the CPU Frequency Scaling Monitor goes back to "On Demand." Why is that and can I also set it so it stays on Performance.
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Jun 16, 2010
I am not entirely convinced that my CPU is actually changing frequency as it is meant to. It sometimes changes frequency, but most of the time it is stuck on 800MHz even when doing cpu intensive tasks. Here is information that may or may not be of help:
cat /proc/cpuinfo
processor: 0
vendor_id: GenuineIntel
[code]....
I notice here that it says between 800 and 800, but does that mean it is currently at 800, or can only be 800.
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Sep 2, 2010
I recently installed 10.04 and really like it so far, however I was wondering if it is possible to scale all hypertheading cores at once, currently I am using an applet for each and have to use several clicks to get into the desired powerstate.
I have read that with dual cores you will not have the option to go into different powerstates because it scales all cores at once, however the logical cores that show up with hyperthreading allow each to have a different power state, and will show up as different states if I use cpufreq-info in the terminal, so it seems like it is allowing it.
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Nov 19, 2010
When I boot my machine (using a dual core 2ghz CPU) I always find myself out of "performance" mode (which I need), using only 1ghz per core.While this is easily fixable with "sudo cpufreq-set -g performance", I don't seem to be able to do it before having control of the machine. I would like to be able to boot with my CPU at full power.I would prefer to disable whatever is scaling down my CPUs to having to inject cpufreq-set to change governor. Anyone has any hint?I use default Ubuntu but I boot into a KDE4 desktop. But the same issue happens booting into the Gnome desktop.
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Jun 24, 2011
Is there an easy way to take control of CPU frequency scaling in 11.04? There use to be an indicator applet but thats gone
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May 15, 2011
Slackware64 13.37 multilib, generic kernel (full install)
BIOS: EIST and C3/C6/C7 State support are enabled.
I'm trying to activate cpu frequency scaling following the tutorial on slackwiki: [url]
I can't load any module.
Code:
I've tried all of them but the error is the same. I also rebooted to the huge kernel, however, it gave me the same error.
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Jul 30, 2010
Is there any possible way to keep my CPU frequency scaling on PERFORMANCE mode through a reboot? Ubuntu likes to default it back to ONDEMAND all the time.
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Jun 1, 2011
I have recently installed Ubuntu 11.04 on my PC with these configuration:CPU: AMD Athlon 7750 Black EditionRAM: 2GB 1066 MHzVGA: ATI Radeon HD 3200 (on AMD 780G)After I installed Natty Narwhal I felt that my CPU runs at the highest clock all the time (2.7GHz), even if I don't have any program run. I tried all settings for AMD Cool'n'Quiet from mainboard BIOS, but nothing's changed. I installed "CPU Frequency Scaling Monitor" to manually change CPU clock. It recognizes two clock for my CPU, 2.7GHz and 1.35Ghz plus 4 other options; Conservative, Ondemand, Performance and Powersave but the CPU indicator doesn't change on every option!
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Jun 10, 2011
For some reason, it seems that 13.37 isn't loading the modules I need for cpu frequency scaling. I've edited /etc/rc.d/rc.modules so that CPUFREQ is set to on. On 13.1, this would mean the powernow-k8 module would be loaded for my AMD cpu, and the subsequent "ondemand" governor would be loaded. However, for some reason this isn't being done during the boot process. I've tried it using both the generic kernel and the huge kernel (I'd been using huge for a long time before without realizing it.) Has anything changed in 13.37 with regards to CPU frequency scaling?
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Nov 16, 2010
I'm curious as to why some things are not happening at boot time (i end up having to manually load them).
In /etc/rc.d/rc.modules (near the bottom) i have set "CPUFREQ=on" and commented out any modules not specific to my hardware.
I have left this one uncommented:
Code:
And below the "### CPU frequency scaling policies:" i have;
Code:
uncommented. My scaling governor is set to:
Code:
Now whenever i reboot my machine `lsmod` is not showing any of either powernow-k8 or cpufreq* related modules.
I know i could use /etc/rc.d/rc.local with these:
Code:
But seems to defeat the purpose of rc.modules, any idea why they are not being loaded at boot... ?
Code:
With slackware64-current
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Nov 16, 2010
would ask how to fix this warning that comes when i start my centos 5 virtual machine that run under windows 2003 std, previously it run smoothly with linux centos 5.
currently
Centos 5 Virtual Machine
____________________
VMware workstation 6 for windows
____________________________
Windows 2003 STD
previously
Centos 5 Virtual Machine
______________________
VMware workstation 6 for linux
___________________________
Linux Centos 5
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Jan 18, 2016
I want to turn off frequency scaling permanently and totally in the lowest-level way possible. Is there a kernel command line that can be used or is recompiling the kernel without the governor stuff the only way?
Solved. Just modprobe -r and blacklist the acpi_cpufreq kernel module.
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Jul 26, 2011
I just bought asusn a50ij and of course I installed ubuntu, now I have few problems: when I try to add CPU frequency scaling monitor to panel it says: CPU frequency scaling unsupported Next problem:my cpu temp is 49 without any reason.and I cant see my graphic card temp,when I go to Harware Drivers I doesnt show any drivers at all,so I dunno whether its nvidia or raedon it doesnt say anything! Also I installed jupiter and each time I turn on my computer it goes to Maximum Performance how can I turn it off?
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Nov 3, 2010
I'm having a weird problem (2.6.32-2-686-bigmem , sid):
Frequency scaling works on CPU 1 but not on CPU 0.
This is regardless of application, the Gnome applet and cpufreq-selector both fail
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Oct 26, 2010
The CPU frequency scaling monitor won't stay at 800mhz after reboot or a certain period of time. My goal is to always have my dual core CPU locked at 800mhz to have it run cooler. I'm running Ubuntu 10.10 on my toshiba u300 laptop.
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Apr 23, 2011
I am using Intel Xeon X 3440 processor. The processor has 11 frequency steps to chose from. I have used cpufreq-selector for choosing a frequency and it worked fine. But, all of a sudden it stops working out of the 11 steps i can change to only 2 frequencies and rest fail to work. I am clueless as to why it stopped working suddenly.
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Apr 29, 2011
Since the new Unity in Ubuntu 11.04 doesn't work with applets, like GNOME, I've lost an useful applet to choose the operating clock of my CPU as well as power profiles (Performance, Conservative, On Demand etc.).
I've looked into Ubuntu Software Center but couldn't find anything similar.
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Oct 11, 2010
A week ago, after some daily update, my cpu frequency monitor stopped working, i'm stuck with 800 mhz now Yesterday i upgraded to 10.10 version, but this applet still doesn't work. or maybe there are alternative programs that change cpu frequency as well? I was looking in software center, but found only monitors so far.
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Aug 5, 2010
I have a 2.9ghz AMD Athlon II X4, which I have overclocked to 3.65ghz. I know that Ubuntu automatically changes the frequency of the processor to save power, which I like, but it does not show my overclocked frequency. The highest that the frequency scaling will go is the stock clock, at 2.9ghz. Is my processor actually reaching my overclocked speed?
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Feb 16, 2010
What's the best way to permanently disable the package kit update applet in fedora 12. i really dislike my bandwidth being robbed unnecessarily from the other computers running fedora on the network.
System->Preferences->System->Software Updates is not working as it is supposed to.
What is the role of PackageKit? Do i really need it?
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Dec 10, 2010
I am using Ubuntu 10.10 x64. When I try to change the setting to powersave or ondemand the applet resets back to performance after a few seconds. It is causing my laptop to get hotter than necessary. Which is bad.
Also, the computer tends to freeze at random times and a few seconds afterwards the screen will blank to a color like purple or white. sometimes vertical stripes too. I have had this issue since I installed 10.10. (It happened twice trying to type this post >.<)
I am using a Gateway NV5207u. AMD Turion CPU and ATI Radeon HD 3200 graphics
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Nov 25, 2010
I've stopped/killed/uninstalled all power related stuff like powernow, powerd, upowerd, acpid, gnome powermanager also turned off APM and ACPI support in bios. And after that I still have a problem: My display's backlight turned off after a long period of inactivity and there is no way turn it on. (Sometimes kill of Xorg helps, sometimes alt-ctrl-f1/atl-control-f7 however I need about half hour to get my backligh back). How to check I indeed removed all power related stuff.
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Aug 11, 2011
when ever i type int his command i do it twice because i have two cores to it looks like this: cpufreq-selector -c 0 -g powersave cpufreq-selector -c 1 -g powersave
when ever i type this it says that "you must be root" what does thsi mean
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May 31, 2010
I have recently been experiencing some issues with the powersave on my computer. I had my computer set to put the display to sleep after 10 minutes and put the computer to sleep after 30 minutes. The screen saver also activates at 5 minutes. When I woke up my computer (hit the power button) the computer would sometimes tell me that it was going into low graphics mode. I had to reboot to get my x server back. I disabled the power save to fix the problem, but I would really like to have it back. My latest Xorg.log gives an error, but I'm not sure if the power save caused the problem (more below). I am running a computer with an Intel Integrated chipset.My questions:
What caused the x server to crash?Should I post a bug report on Launchpad? If so, how? (im a bit of a noob as far as bug reporting)How can I fix the problem?Xorg.log:
Code:
X.Org X Server 1.7.6
Release Date: 2010-03-17
[code]....
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Mar 1, 2010
I have a 64bit computer with SUSE 11 installed. When I try to switch an user the computer or monitors go to powersave mode. The only way to power it back on is to restart by pressing the button in the linux box.
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May 6, 2010
I thought I was removing the chat status piece of the indicator applet (I know what it is now, didn't then), but I accidentally removed the whole thing. Now when I figured out how to put it back on the panel, I can't get it back to where it was (which was to the RIGHT of the system date/time applet). How can I do this as well as move the indicator applet that has the volume control in it?
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