The system load is a measure of the amount of work that a computer system is currently performing.

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1answer
266 views

Ubuntu 13.04 slowing down due to X taking 50-100% of CPU

I have strange issue. I use my PC mostly to run some Java app, execute some command line, watch movies and use browser (Chromium), eg. to watch YouTube, play some Flash games and read. Not much more. ...
0
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0answers
164 views

CPU *forced* to be almost 100% idle?

Yesterday the load on my Ubuntu Server (Ubuntu 12.04.3 LTS (GNU/Linux 3.8.0-33-generic x86_64)) went up to above 2.0 after restarting it. At the same time the CPU seems to be idle only (I could even ...
4
votes
4answers
2k views

Does swap file usage increase disk I/O and CPU load?

Someone brought to my attention that if an application is using swap file (when system RAM is very low) it increases the disk I/0 and as a result of that, CPU use % and CPU Load increases. Is this ...
0
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1answer
186 views

Why is my CPU being used while doing nothing?

I have installed Ubuntu GNOME in BIOS mode on my MacBook (BIOS mode so that the proprietary NVIDIA drivers work. I need them for gaming.). For some reason, a lot of CPU is being used while not really ...
11
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4answers
12k views

tracker-store and tracker-miner-fs eating up my CPU on every startup

Whenever I start my laptop the process tracker-store and tracker-miner-fs eats up my CPU between 30-40% for 10-15 minutes. I am on ubuntu 12.04. What does these processes do? How to get rid of ...
2
votes
1answer
702 views

Bash taking a lot of time to load

So when I open a terminal (ctrl+alt+t) it takes about 6 seconds to the prompt to show, and I can observe (running top on another terminal) that it is taking 99% of the CPU to do that. What can be ...
0
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1answer
82 views

My laptop is becoming slower at times, how can I figure out if it is a hardware or a software issue?

Over the last month my 15 month old laptop has started showing me 100 % CPU utilization. I used to have ubuntu 12.10 on it. I did a clean install of Ubuntu 13.04 on it and it was fine for a while. I ...
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1answer
335 views

lowering CPU load average, Kubuntu 12.04

I've got a question about lowering CPU loads, if I understand correctly when I issue the 'uptime' command I get 3 values representing 5, 10 and 15 minutes of average CPU load. My current stats are ...
0
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1answer
271 views

high CPU load all the time

Simply, My PC is Crap, it has Pentium 4 3GHz 2MB Cache CPU with Intel graphics G31/G33 and 1GB RAM on normal work, such as using firefox, the CPU use is more than 50%, and if i opened more than 5 ...
6
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1answer
1k views

check-new-release process eating up resources on Ubuntu server 13.04

A small Ubuntu 13.04 virtual machine instance I run in a cloud environment regularly becomes slow/unresponsive because of a proces called check-new-release. Is there any way to disable this process ...
0
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1answer
180 views

Why does CPU usage remain at 100% after running Mathematica 9?

I have installed Ubuntu 13.04 and Mathematica 9 on a Sony Vaio VPCEA36FG. When I run a program in Mathematica, CPU usage rises to 100%. This is a normal. But when Mathematica finishes computation, ...
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1answer
989 views

Compiz high CPU

I recently installed Ubuntu 13.04 (my first Linux) alongside Windows 7. When I booted for the first time and ever since Compiz is eating up my CPU. When idle and doing nothing window management ...
2
votes
1answer
444 views

13.04 - rsyslogd eating all the CPU it can

I'm on a VPS on ramnode.com, virtualized using OpenVZ, the installed OS was Ubuntu 12.10 but I ran do-release-upgrade to upgrade it to 13.04. rsyslogd was consuming ~150% CPU, I really don't know ...
2
votes
1answer
1k views

Why does CPU usage spikes to 90% and more after wake from suspend on Ubuntu 13.04?

On an Acer C7 Chromebook running ChrUbunutu (not CROUTON) I noticed a problem after moving to 13.04. If I put the system to sleep and then wake it up both CPU cores spike to 90%+ usage. Soon after ...
2
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1answer
1k views

How to Limit the CPU usage for a process and its Children wether there is another process demands resources or not

i was wondering about something like CPUlimit to limit the process CPU usage but i am aiming to apply the same percentage of usage for its children processes too automatically without adding them ...
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0answers
63 views

System moniter incorectly shows CPU constantly on 100%,

Running absolutely nothing, my system monitor states that all four cores of my AMD Phenom II 945 are at 100%, although no individual process can be traced to cause this. At most, Firefox takes 4% of ...
4
votes
1answer
2k views

PulseAudio high CPU load and sound gets interrupted

Serious sound problems starting occuring about last week, with no particular reason. The problem is that all programs that send sound to PulseAudio, at some point stop playing sound, they continue for ...
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0answers
68 views

How to investigate scheduler issues?

I have a server process that should runs multiple threads at close to 100%, each on its own CPU. When I run the process on a RHEL box, the CPUs in question appear to stay pegged at 100%, according to ...
0
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2answers
1k views

What to do against high CPU load caused by compiz and/or gnome-shell?

Since yesterday I am experiencing high CPU load (caused by compiz). First I thought that this may be related by compiz/unity and switched therefore back to gnome-shell (uninstalled all unity stuff). ...
0
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1answer
78 views

Accomplishments script CPU usage [closed]

Since I installed Ubuntu accomplishments again in 12.10 I constantly have about 15% CPU usage by the script /usr/share/accomplishments/scripts/ubuntu-desktop/multimedia/multimedia-added-music.py I ...
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2answers
2k views

Which operating system takes more advantage of multi core cpus [closed]

I want to know which one will benefit more from amd 8 (or in multi core setup in general) core setup windows or Ubuntu or there will be no difference ?? thank you in advanced
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0answers
228 views

Xorg lag spikes during gameplay

With almost any game I play, be it Minecraft, TF2, World of Goo or windows games running in wine, I get horrible lag spikes (after a shot time playing) that happen about every 15-20 seconds and last ...
1
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1answer
484 views

ubuntu 12.10 xorg loads cpu core at 100% percent

ubuntu 12.10 xorg loads cpu core at 100% percent Not related to snd_ca0106. What am i doing wrong?
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0answers
411 views

Why is Lubuntu 12.10 using all CPU?

I want to install Lubuntu on a Pentium IV Desktop with 1GB RAM and I am currently trying it on Live-mode from a pendrive, just to be sure this won't give me trouble after proper installation to HDD, ...
5
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1answer
2k views

Lubuntu 12.10 cpu usage sticks at 100%

I've upgraded Lubuntu 12.04 to 12.10 via the update manager. Now when Lubuntu is loaded, the cpu usage drops to 0% for a few seconds then shoots up to 100% where it stays for 15 or 20 minutes. I ...
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votes
1answer
1k views

How can I get instant CPU load values?

I have made a server-client application in which based on CPU usage and load conditions it serves a file request to user. I am using /proc/loadavg values for this . But this utility gives values ...
0
votes
1answer
284 views

How to troubleshoot and collect bug information for Bluetooth mouse lag on high CPU load? [duplicate]

Possible Duplicate: How to debug lag using Bluetooth connected mouse and A2DP headset? I have just migrate to 12.10 and I have noticed that I have huge problem with my Bluetooth mouse left ...
0
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2answers
3k views

Ubuntu 12.04 high CPU usage and high temperature

Ubuntu 12.04 on my laptop uses more than 50 percents of each core even if nothing is running. I have checked from system monitor and from htop, both of them show that each of 4 CPUs percentage is ...
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0answers
38 views

Is there anything software-related I can do, to make ubuntu play high-quality mkv files smoothely?

I've noticed that beyond let's say..a 20 MB/s bitrate, a movie would lag, played on my laptop.. It results in me missing the highest bitrated scenes of a movie.. And sometimes having to compromise ...
7
votes
3answers
763 views

How do I throttle a command in a terminal window?

I needed to run convert with a lot of images at the same time. The command took quite a while but this doesn't bother me. The issue is that this command rendered my computer unusable while the ...
2
votes
1answer
235 views

Insane load average after reboot

After doing a reboot of Ubuntu server 12.04 LTS (after an apt-get dist-upgrade) my server load (on a 16GB) machine goes insane (around 80) for about 10 or 15 minutes The only things I can think of is ...
2
votes
3answers
383 views

Ubuntu -> Lubuntu? [closed]

Not too long ago I switched from Windows 7 to Ubuntu 12.04 (64-bit) on my laptop, which only has a AMD Dual-Core E1-1200 APU 1.4 GHz processor but 4GB RAM, in the hopes that I would get more out of my ...
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1answer
598 views

Toshiba “eco mode” equivalent

I have a Toshiba Satellite R830 dual-boot Ubuntu 12.10 and Windows 7. On Windows, when I turn "eco mode" on, the fan is much more silent and temperatures are considerably lower. On Ubuntu, eco mode ...
0
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1answer
1k views

ksoftirqd uses 100% cpu

I am running 32bit Ubuntu 10.04. A lot of the times ksoftirqd/0 or ksoftirqd/1 start using up 100% CPU for no apparent reason, and I am forced to reboot my laptop. Incidentally this also happens ...
2
votes
1answer
154 views

failure: DOES_NOT_EXIST, Ubuntu One, high CPU usage, no syncing

over the weekend I updated my computer to Windows 8. So far Ubuntu One was running smoothly, but ever since the update (clean, new install) Ubuntu doesn't sync any more. In Windows 7 it would start ...
1
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2answers
400 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 ...
11
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1answer
5k views

How can I disable hud-service?

hud-service keeps eating my cpu. This is troublematic, specially because I'm running 12.04 in a Asus EEEPC. There are a lot of answers on how to change hud bindings, but what I reallyw wonder if there ...
1
vote
3answers
6k views

higher cpu usage in ubuntu 12.04 than windows 7

Hi I have a Intel Core i5 with 6GB of Ram using ubuntu 12.04 64bit. I noticed that whenever I run chrome which is the faster browser for me in linux) when I watch youtube, the CPU usage for Chrome ...
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0answers
74 views

How to determine what applications affect xorg/compiz load

Is there a way to tell which application causes huge cpu usage and huge load for xorg and compiz processes?
4
votes
2answers
5k views

What is process “/usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background none”?

I am experiencing some serious performance issues with my Ubuntu 12.04 setup and thus looking for the culprit by running htop alongside my usual tasks. Aside from the usual suspects like chromium, ...
0
votes
1answer
165 views

CPU usage problem

A few days ago I bought a notebook (Asus N56VZ) and detect a problem with CPU usage. When I am surfing on the Internet or using some programs, CPU usage is jumping from 1-7% to 65-80%. Can you give ...
3
votes
3answers
1k views

Nice command without root privileges

I need to run dosemu with nice --20 from script. Problem is: a negative value can be applied only with sudo. Do you know any way to run nice command without sudo or simply run nice --20 dosemu from ...
2
votes
1answer
715 views

Is there an application indicator for CPU usage by core?

I love System Load Indicator (indicator-multiload), but it doesn't reflect the usage of the individual CPU cores, just the overall CPU usage. Sometimes I'll have an application max out a single core ...
0
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2answers
71 views

Why does my application crash without updating the log file (used '> my.log')

I am running mCruiseOn Server, which is a java based server side application (sockets, multiple threads, memcached, mysql) on a Micro EC2. It has been crashing often. I suspect memory usage may have ...
2
votes
1answer
625 views

Java using too much CPU

Trying to use either Eclipse or Apache Tomcat pushes all 4 CPU cores to around 60% cpu usage, and trying to run both at the same time maxes them all out. Tried deleting all the webapps I'd deployed ...
0
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0answers
276 views

Ubuntu and Lubuntu CPU usage during flash [duplicate]

Possible Duplicate: How do I fix Flash issues? I have been using the ubuntu based linux systems for about 2 weeks i switched to lubuntu 12.04 on the recommendation that my machine would be ...
3
votes
2answers
161 views

How can I get my mysqld-swamped CPU under control? [closed]

I was AFK for about 24 hours and came back to find gnome-system-monitor saying all four CPU cores on my laptop were running at full throttle. mysqld is taking up more than one full core; when I tried ...
5
votes
3answers
5k views

Why is Thunderbird pegging a core at 100%?

I have experienced 2-3 unexplained lockup over last 10 days. Today, I had a random lockup (no mouse, keyboard response, 100% CPU). But, when I finally switched (Ctrl-Alt-F1) to command line (it took ...
4
votes
3answers
2k views

How do I analyze my CPU usage over a long period of time?

I am just wondering if there's any Ubuntu app that can track my CPU usage. The problem is that I am currently using a quad core i5, whilst what I do most in daily usage is just browsing and rails ...
2
votes
2answers
432 views

load average is too high

i installed Ubuntu 12.04 on my laptop. Even if when I am doing nothing, load average is somewhere between 0.50 to 0.60. laptop configuration is toshiba satellite c640 Intel Core i5-2430M (2.3Ghz, ...