The cpufreq tag has no wiki summary.
1
vote
1answer
116 views
Ubuntu 13.04 CPU frequency scaling 'stuck' on lowest frequency
I've just installed Ubuntu 13.04 on my MacBook Air, after toying around for awhile the machine felt really slow, so I checked out the CPU frequency. cpufreq-info, it reports 800MHz on all 4 cores ...
0
votes
1answer
26 views
cpu frequency stays at the top even with ondemand or powersave governors
The fan goes lower but the /sys/devices...../cpuinfo_cur_freq and scaling_cur_freq list the highest frequency. core i5 can go down to 1.2Ghz according to cpuinfo but watching the time_in_state shows ...
0
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0answers
94 views
Minimum and maximum cpu frequency are equal
I just noticed my laptop stared working considerably slower. I am using an updated 13.04, though the issue did not start right after the upgrade. After tracking down the issue I noticed that both ...
0
votes
2answers
128 views
Where is the configuration for laptop-mode-tools max CPU frequency?
I use laptop-mode-tools for power management on my laptop and for the life of my I cannot find where to configure the CPU frequency limits. When I'm on battery it sets the maximum limit, regardless ...
0
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0answers
33 views
cpufreq and video
I found that cpufreq scaling causes "slow" video playing.
From beginning is all ok, but after about 10 seconds cpu speed fall to on demand level
and after video start skipping some frames of movie. ...
3
votes
0answers
95 views
How do you prevent CPUs from being throttled when battery is taken out of Laptop (aka only on AC power)?
My laptop CPUs are throttled down to .8GHz instead of 2.5GHz whenever I am connected to AC only and not the battery. I tried using cpufreq-set and it allows me to set the speed when the battery is ...
0
votes
0answers
134 views
cpufreq indicator multi-core
My PC has a 6 core CPU (AMD FX-6300), and I want to keep all cores at maximum speed.
Earlier in Ubuntu 10.04 LTS I had a CPU scaling (indicator) which offered the possibility to change the frequency ...
1
vote
0answers
225 views
Lubuntu 12.10 cpu frequency not working
I've got a Acer Aspire One with Atom processor N270. The thing that I notice is that the just surfing the web, the netbook chews through the battery, the fan is on a lot and it is very hot. It seems ...
2
votes
1answer
548 views
Ubuntu 12.10 core different frequencies
There is a little problem with my CPU, I found some tutorials, how to install Avant Windows Manager, I wanted to change my cpu frequency, I thought it works, but it works only for one core. My CPU is ...
1
vote
2answers
186 views
Stop CPU from slowing down
When playing a 720p video file, I can hear the laptop CPU fan kick in which after a few minutes causes the video file to play back in a very choppy manner. Is it possible to stop the CPU from slowing ...
0
votes
0answers
380 views
indicator-cpufreq no longer showing up on the panel
I installed indicator-cpufreq some time ago and it worked pretty well. Now, there's a problem that it's running but there's no icon on the bar. When I'm using another account everything is ok, so I ...
0
votes
2answers
668 views
Why doesn't indicator-cpufreq show up in panel? [closed]
I'm using 12.04 and I want to add "indicator-cpufreq" to my panel. It's installed and I try to launch it manually through Alt+F2. It just doesn't show up. Does anyone know why?
0
votes
1answer
577 views
How add cpu frequency that should be available?
I have a system with an Intel Core i7 970 that should be able to run at 3.2 GHz. I'm running ubuntu 12.04 and installed the cpufreq indicator to be able to change the governor and noticed that I only ...
1
vote
0answers
898 views
CPU Frequency Scaling methods *not* working Lubuntu 12.04
I've been trying to get CPU frequency scaling enabled on an old laptop (Celeron 530) running Lubuntu 12.04. I know this works in BIOS because it worked under Vista, and I can just get it working for ...
2
votes
2answers
2k views
The performance governor for cpufreq doesn't seem to behave as advertised
The kernel in use: 3.2.0-23-generic on Ubuntu 12.04LTS
For example, I issue the following command:
sudo cpufreq-set -c 0 -g performance
Then I go to /sys/devices/system/cpu/cpu0/cpufreq and type ...
1
vote
1answer
103 views
Enabled root password and have System Policy and sudo problem
I enabled the root password a while back. But not three days ago. I'm using Ubuntu 12.04 with latest updates. My laptop is Vostro 3500
For about three day ago, I saw the symptoms. And those are,
...
0
votes
2answers
769 views
How can I use CPU-Freq Indicator?
Translated:
I have Ubuntu 12.04 and I can not use indicator-cpufreq,
Does anybody know of any others?
Original Question
Me pase a ubuntu 12.04 y ya no puedo usar indicator-cpufreq, conoceis algun ...
0
votes
1answer
161 views
How do I solve a thermal issue on my HP dv6 laptop?
I have HP DV6 6080 laptop with Sandy Bridge ci7 CPU and ATI graphic.
I have thermal issue and power usage in Ubuntu. I followed the instructions from this tutorial to install hybrid graphic because I ...
0
votes
1answer
189 views
open_counter returned with error 19
I am trying to use perf tool. I have installed ubuntu 12.04 on Pandaboard. After booting up the system, installed linux-tools. Which installed linux-tools-3.0.0-25. running the perf, gives following ...
1
vote
1answer
260 views
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.
...
3
votes
1answer
13k views
How do I get a CPU frequency scaling monitor on 12.04?
I just updated my linux computer from 64-bit ubuntu 10.04 to 64-bit ubuntu 12.04. On that bar along the top of the screen in 10.04 are 8 little icons that display the current speed of each of the 8 ...
2
votes
1answer
936 views
What are the pros and cons of CPU frequency control on a laptop?
What are the pros and cons of controlling (lowering, or even overclocking) the CPU frequency on a laptop? How can I do it in Ubuntu and will it increase my battery life (as I never play games and ...
0
votes
1answer
628 views
cpufreq not available 11.10
on 11.04 I had cpufreq working on my "AMD Turion(tm) 64 X2 Mobile Technology TL-50 stepping 02" processors, however now on oneiric cpufreq won't load.
The core temperature of my cpu is normally 40 c, ...
5
votes
1answer
459 views
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 ...
4
votes
2answers
6k views
Does Intel turbo boost work in Ubuntu?
I have an Intel i7 processor. It's frequency is 2.67 GHz, however it has turbo boost allowed to a frequency of 3.3 GHz. Is turbo boost posible using Ubuntu?
1
vote
1answer
4k views
How-to add cpufreq indicator to system tray [closed]
I installed cpufreq indicator from the ppa:artfwo/ppa repository. The cpufreq started and I see it by system monitor but I can't see him in system tray. What can I do to fix it?
1
vote
1answer
3k views
How can i adjust CPU frq. in Lubuntu?
In Gnome 2 there was panel applet that one could use to do that, however in Lubuntu there isn't one, how can i adjust it then?.
Preferably with a simple method, don't really want to directly edit any ...
1
vote
0answers
812 views
Lubuntu doesn't detect correct CPU Frequency [closed]
When I was using Ubuntu setting performance in /sys/devices/system/cpu/cpuX/cpufreq/scaling_governor set CPU frequency at 2.4Ghz and setting powersave the frequency was 800Mhz .
But now I'm using ...
1
vote
2answers
503 views
Maximum CPU frequency on Boot
How can I make the CPUs run at maximum frequency on startup/boot? Is there a script I can make or something?
3
votes
1answer
1k views
Lenovo Thinkpad W520 cpufreq frequency scaling not working
For some reason my processor always seems to run on full speed even if I don't do anything. Looking through the web, I've found quite some suggestions.
According to ...
0
votes
1answer
209 views
Why does sysinfo list my CPU as having 1,6GHz when I have an i5-2300 CPU @ 2.80GHz?
I would like to know whether there could be a driver I'm missing, since sysinfo can't see the correct value for my CPU frequency
1
vote
1answer
2k views
CPU Scaling in Unity with indicator-cpufreq
Original question by some guy:
CPU Frequency Scaling in Unity?
Followup:
I installed the indicator-cpufreq app and ran it, but nothing appears in my indicator are. I can see that the app is running ...
27
votes
2answers
17k views
How do I use the GNOME Panel in Unity?
I really need to use the GNOME Applets, is there a way to do it?
3
votes
4answers
5k views
What is the current frequency of my processor (CPU-Z equivalent)?
Is there a ubuntu program like CPU-Z which will show me the actual frequency of my processor?
I do a fair amount of scientific computing which leads to me running my programs for up to 10 hrs. To ...
10
votes
4answers
14k views
CPU Frequency Scaling in Unity?
In Ubuntu 10.10, I added the CPU scaling applet on my panel in order to control the CPU frequency scaling. Since Unity no longer has a panel that supports applets, what mechanism do I use in 11.04 to ...
1
vote
2answers
951 views
How to set both dual cores to userspace governor
I am trying to set both cores in my cpu to userspace governor by editing the contents of
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
and
...
5
votes
3answers
5k views
How do I set the CPU frequency scaling governor for all cores at once?
I'd like to set the CPU frequency scaling governor for all cores at once instead of doing it individually for each core. Is there a way to do this?
(I know it would be easy to echo the governor to ...
2
votes
0answers
1k views
cpufreq-selector, cpufreq-info reporting wrong max speed [closed]
I've just built a new machine with a Core i5-760 CPU. Max speed is 2.80GHz (turbo mode notwithstanding). I've also done a vanilla install of Ubuntu 10.10.
I've added the cpufreq-selector applet to ...
2
votes
2answers
1k views
Disable CPU frequency scaling on Lenovo Laptop
I have a bug where my CPU frequency is scaling down every few hours or so. This happens when:
I'm on AC power
scaling governor is on 'Performance'
What do you have to do to disable CPU frequency ...
