CPU stands for Central Processing Unit, and is the main processing chip used in every computer. Brands include Intel, AMD and ARM. CPUs are commonly available in 32- and 64-bit, and come in a variety of frequencies or with multiple cores.

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2
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219 views

Visual CPU Indicator for Trusty Tahr (with dual/multi-core support)?

A quick finger exercise with google returned the following: Cpufreq Indicator fossfreedom's fork of System Monitor Indicator, probably looking like this (non-visual) neither of which seem to be ...
0
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1answer
54 views

New processor woes

my motherboard is an ECS c51gm-m and the processor im trying to upgrade to is an AMD Athlon 64 X2 Dual-Core 5000+ 2.6 GHz Processor with 1024KB L2 Cache and 64-Watt Socket AM2 (ADO5000DSWOF) by AMD ...
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0answers
226 views

Cannot load acpi_cpufreq module [closed]

I have been trying hard recently to scale my CPU Frequency from 1GHz (the current frequency) to 1.67 GHz (the maximum frequency) but it won't let me as when I execute sudo cpufreq-set -u 1.67GHz it ...
3
votes
0answers
1k views

Ubuntu CPU load

I'm new to Linux world and I have a problem with my fresh installation of Ubuntu 14.10 64-bit. My processor is Intel® Pentium(R) D CPU 2.80GHz × 2 with 4 GB of ram and GeForce 8600 GT/PCIe/SSE2. When ...
4
votes
1answer
153 views

Squeeking noise issue with Asus laptop. Found working solution for Windows, now how to do this on Ubunutu?

My Asus laptop makes a high pitch squeeking noise/sound. It turns out that is has something to do with the CPU and its power saving settings. I have my laptop on dual-boot with Windows 7 and Ubuntu ...
2
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0answers
154 views

Unable to get a temperature reading from CPU [closed]

Following instructions over here, I tried to get something running to show the temperature of my AMD A6 6400K. Unfortunately, the output I get is the following: TurionPowerControl 0.44-rc2 (export) ...
1
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0answers
112 views

CPU fan not working in acer gateway ne56r

My laptop fan was not running in ubuntu 14.04 and hence it become heated up easily. Kindly help to get a solution for to get my laptop fan running. In windows i never had these kind of issues
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0answers
231 views

NodeJS Hangs on Ubuntu 14.04 Boot [Big CPU & Memory usage]

Node somehow hangs on Ubuntu 14.04 boot. It uses lots of CPU and RAM (Checked with Terminal -> top). I need to have root permissions to kill it and it doesn't work after the first time. Had to spam ...
0
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0answers
207 views

Asus G75VW cpu runs hot up to 70c, using Ubuntu

Any idea at all would be helpful. Specifications: Brand: ASUS G75 Series Model: G75VW-BBK5 CPU: Intel Core i7-3610QM 2.3GHz Screen: 17.3" Memory: 32GB DDR3 Hard Disk: 120 ssd 1TB Optical Drive: ...
3
votes
1answer
596 views

kworker taking 100% of one core

I updated from ubuntu 13.10 to 14.04. I have a quad core, and one core is pegged at 100% usage because of kworker. I know that kworker generally is doing things on behalf of the kernel, but I don't ...
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0answers
1k views

Unreliable CPU thermal sensor; monitoring disabled Ubuntu 14.04

I installed Ubuntu 14.04 on my PC and it shows something like that when i boot: unreliable CPU thermal sensor; monitoring disabled Is there something wrong with my CPU or is it sensor fault ?
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2answers
2k views

get cpu usage in command

I want get cpu usage. I used this command : top -bn1 | grep "Cpu(s)" | sed "s/.*, *\([0-9.]*\)%* id.*/\1/" | awk '{print 100 - $1}' But return 100%. I dont know what to do.
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0answers
65 views

Amilo V8210 cpu fan speed issue

I got a Fujitsu-Siemens Amilo Pro V8210 with Intel® Core™2 CPU T5500 @ 1.66GHz × 2 and have installed Ubuntu 13.10. CPU fan issue as many others. Checked the BIOS settings, nada. BIOS is updated. ...
8
votes
2answers
33k views

CPU temperature monitor for 14.04LTS?

Is there a way to configure psensor so the temperatures read out in real time in the panel so it could be read at a glance? So far, in order to read the temperature I have to click on the applet ...
0
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0answers
100 views

i7 temperature too high

I use Ubuntu 14.04 and a notebook with i7 cpu. The problem is that I've 50° on cpu in idle, while in Windows I've 40°. Can you tell me why I've this problem? I've also installed nvidia proper ...
0
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1answer
90 views

Battery consume

i know this is a frequently asked question. After trying win 8.1 and latest opensuse i feel ubuntu 13.10 to consume much power. Lenovo B590 notebook with 1TB 5200rpm hdd, 8 gigs of ram, i5 2.5GHz ...
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0answers
42 views

command not found when trying to set governor

In response to my questioning here: How to really check current cpu Hz? Sylvain Pineau told me to do this command to change cpu governor: echo "powersave" ...
0
votes
1answer
156 views

How to really check current cpu Hz? [duplicate]

All programs I've tried seem to be listing Hz from cpu's specifications not actually checking what the current Hz really is. for example a processor is marketed with 4GHz.But this is the max (unless ...
0
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2answers
431 views

Overheating, faulty laptop - How to prevent overheating?

I have a problem with my laptop. It overheats. In Windows 7 I use 80% Maximum Power State under power options to workaround the issue. Is there a similar solution available for Ubuntu? Can I set my ...
0
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0answers
528 views

100% I/O usage due to jbd2

I have 14.04 Beta 2 64-bit and Intel i7 Processor with 2.2Ghz clock, 4 GB RAM and 500 GB Harddrive. After using Ubuntu for some time, everything goes so slow and I cannot even move my USB mouse ...
2
votes
0answers
314 views

What is causing Ubuntu on MacBook Pro to have high CPU usage?

I installed Ubuntu 13.10 on a MacBook Pro 10,1. However, after installing, the kworker process consumes over 90% of CPU usage. I tried the following: (Suggested in this answer) Execute grep . -r ...
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0answers
28 views

CPU Problem with 13.10 VMware Player Appliance

I have mounted a 64-bit Ubuntu .iso onto a VMware Player virtual machine, but it came up with a messsage saying my host is unable to run 64-bit guest OS-es. I have checked this issue with the VMware ...
0
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0answers
165 views

Heavy CPU usage with LTspice on Ubuntu 12.04 32 bit

I currently have LTspice IV installed on my ubuntu 12.04 32 bit machine through wine. I have no major problems running the actual software, but the thing that worries me is how much CPU power the ...
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0answers
89 views

Making CPU online doesn't work (armv71)?

I am trying to turn CPU status to online, but it doesn't seem to work. I run this: echo 1 | sudo tee /sys/devices/system/cpu/cpu0/online Here is what I get when I run lscpu: Architecture: ...
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0answers
68 views

How do sensors-indicator colors work?

I have been using lm-sensors for a while now, and decided to try sensors-indicator not to enter the command manually on Terminal each time I want to take a quick look at my laptop's temperature. My ...
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0answers
34 views

Ubuntu 13.10 CPU1 usage over 75% and other core 20% [duplicate]

Ok i'm on Ubuntu 13.10 64bit and while doing nothing i can see from System monitor that CPU1 has a 75%+ of load meanwhile the other core stayat 20%...sometimes they go up but not for too long...What ...
1
vote
1answer
530 views

Is this CPU usage for TeamViewer on Ubuntu normal? If so, are there any better options?

This image was taken while logged in remotely via TeamViewer to my workstation. There are four TeamViewer_Desktop processes open (why?), two of them taking a large amount of CPU (why?). I tried ...
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votes
2answers
505 views

high CPU usage on Ubuntu 12.04

I just installed Ubuntu 12.04 on my Asus k53s notebook. Processor is Intel® Core™ i5-2410M CPU @ 2.30GHz × 4 5.7 GiB RAM. The CPU usage gets very high after a while, specially when using internet. ...
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0answers
166 views

How to find out which service uses a certain CPU core?

How can I find out which process/application uses Core number 4? As I saw in Htop there isn't any application which uses high CPU, but still my fan is running "wild" and also the CPU graphic in Htop ...
0
votes
2answers
319 views

What upgrade options for non-PAE machine?

The last time I upgraded this machine it failed because I have a non-PAE processor. I was forced to reinstall the last, old version of Xubuntu. Now I fear I'm stuck with a discontinued distribution. ...
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0answers
831 views

Most lightweight version of Ubuntu?

I'm trying to run a webserver backbone at home, currently what I now need to do is setup the fileservers. I don't have much money so I'm using 4 scrapped Apple TV's (1st Gen) I found. According to ...
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0answers
127 views

Banshee CPU usage > 100%

Banshee CPU usage peaks and maintains >= 100% (according to htop) when I do simple, nontrivial things. Even deleting files via Banshee results in >= 100% CPU usage. I have tried several ...
1
vote
2answers
220 views

apt-build on ubuntu, if I change processor will give problem?

I installed apt-build on Ubuntu, it is a program that compiles and installs programs. It compiles optimally for the user processor and this makes programs run quickly. But I thought what if I change ...
1
vote
1answer
37 views

Changing cpu from intel to amd

I currently have two computers using ubuntu, I want to switch the hard drives of the two so the one I use more has more space. My problem is one of my computers has a intel cpu and one has a amd CPU, ...
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0answers
271 views

lm-sensors not showing CPU temperature?

I have a machine running on top of AMD Opteron 6380 (16-core) x2 CPUs. OS details are as follows: Version: Ubuntu 12.04.3 LTS (precise) uname -a: Linux sysname 3.5.0-23-generic #35~precise1-Ubuntu ...
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2answers
102 views

How to enable cpuset on Ubuntu 12.04?

I have set up CPU sets with cset in Ubuntu 12.04, but they are not respected. Processes just use all the CPU they can, no matter what set they are assigned to. It seems that cpuset is not enabled. ...
0
votes
1answer
433 views

Lubuntu Task Manager always shows CPU usage at 100% even at idle

Is there a way to find out what application is causing the high CPU? Top shows nothing eating up the CPU. Even at idle my CPU is at 100%. Never changes. Never goes down. Always at 100% no matter what. ...
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0answers
105 views

broadcasting from 2014, Imac G5 PowerPC

i´ve got this Imac G5 PowerPC 2Ghz & 2GB SDRAM and i got it for free! i´m not an fan of apple but i thought that the specs were pretty nice for emulating snes gba and psx, however there are no ...
0
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0answers
53 views

MacBook Mid 2008 use both CPU cores/Deactivate nolapic

I'm quite new to this community so bare with me if I happen to do anything wrong. I've got a problem with my MacBook 5,2 (mid 2008) running Ubuntu 13.10. It detects only one core, though the System ...
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0answers
153 views

ubuntu 12.04 Init process provokes memory leak and CPU intensive usage

I have lately been having some memory and CPU issues with init process. After rebooting, the memory used by it keeps increasing at quite high pace, and after half hour it occupies all the memory RAM ...
0
votes
1answer
202 views

F2A85V-PRO motherboard with AMD A10-5800K processor issue with linux systems [closed]

Since I bought my new machine - F2A85-V PRO motherboard, AMD A10-5800K processor and 16GB CORSAIR RAM, Im facing problems with installing every x64 based linux distribution. But not only installing. ...
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vote
0answers
68 views

Xorg High CPU When Redrawing

For about the past week or so, xorg has been going crazy whenever the screen updates, for example scrolling a webpage, or just moving a window around. I can hear the fan turn up, and there is a huge ...
0
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0answers
314 views

High CPU usage in any browser

For about the last week, browsing the web from Chrome beta, Chrome stable, or firefox causes unusually high cpu usage. It Idles OK, but spikes a fair amount, but loading any page, with or without ...
2
votes
2answers
873 views

Ubuntu 12.10 gnome system monitor high cpu usage

I am totally new to Ubuntu. I tried to install numerous times, but always removed it because of loud fan noise. Me and my Bro have the same Notebook, a HP Compaq 615, and what grabbed my attention ...
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0answers
63 views

Installed FX-6300 (6 core) from Semphron (1 core) and now interrupt request storm (ksoftirqd)?

Scrypt mining in cgminer used to have no issues with Semphron 145, I switched to FX-6300 and processor usage shot up to 100% and stuck there. cgminer process is consuming about 20% and six ksoftirq ...
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0answers
22 views

Is it there a software like Speedfan for Ubuntu? [duplicate]

I need to lower the CPU fan's RPM. Thanks in advance.
1
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1answer
559 views

How can I see my System details in a Graphical way? (in Lubuntu)

I am new to LUbuntu. In Windows, if I want to know my system properties, I see it by going to Control Panel and clicking on the System icon. What are the equivalents of these features in LUbuntu, ...
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1answer
256 views

ubuntu 12.04 - fuser high cpu

The problem is fuser high cpu and server load high. root 20 0 7580 840 692 D 10 0.0 0:00.31 fuser 16061 root 20 0 7580 844 692 D 10 0.0 0:00.31 fuser 16062 root ...
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0answers
39 views

Processor Tunable status according to Powertop

I am absolutely new to the LINUX platform, since I just migrated to Ubuntu 13.10 from Windows8. I installed powertop so that I could assess my processor. The Tunables window of the output returned by ...
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0answers
81 views

Laptop with Battery is faster than Power Connection at Ubuntu 13.04

Recently, I found a very strange phenomenon on my laptop. When the laptop is plug-in the power, then the CPUs work slowly, but when it is unplugged, i.e. it works with battery, then the CPUs work with ...