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

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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, ...
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1answer
1k 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 ...
3
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1answer
803 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 ...
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1answer
275 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 ...
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2answers
2k 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
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3answers
669 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
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1answer
207 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 ...
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3answers
366 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
477 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 ...
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1answer
927 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
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1answer
152 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 ...
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2answers
366 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 ...
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votes
1answer
3k 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 ...
2
votes
3answers
5k 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
70 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?
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2answers
4k 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
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1answer
153 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
799 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
600 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
votes
2answers
70 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
582 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 ...
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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 ...
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2answers
150 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 ...
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votes
3answers
4k 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 ...
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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
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2answers
408 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, ...
0
votes
1answer
67 views

Why after a time of inactivity three cores of cpu go off?

I run ubuntu 11.10 on a Dell inspiron N4050 which has an Intel Core i3 CPU. After a time of inactivity sometimes few seconds, sometimes 2 or three miutes or even more CPU2 3 and 4 spike then go to ...
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4answers
14k views

How to impove Ubuntu performance on netbook

Most recent Ubuntu 12.04 seems to be quite nice and Unity (3D/2D) works fine for me, however not on my old Acer Aspire One any more. There was a times, when I switched from Windows XP to Ubuntu and ...
10
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1answer
2k views

Why doesn't htop display the same processes as top?

I have a home server sometimes running at a high CPU usage rate of about 50 to 70 percents. In htop, my favorite process manager, I can sort the processes by CPU usage, but often there isn't any ...
0
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2answers
22k views

Why ubuntu 12.04 Operating System too slow..?

I was using ubuntu 10.10 from last year. every thing was Ok with that. recently I've installed Ubuntu 12.04 in place of 10.10, after installing that on my Dell laptop, I started to feel uncomfortable. ...
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1answer
2k views

Ubuntu 12.04 GNOME Terminal (3.4.1.1) Xorg 100% CPU

after upgrading Ubuntu 11.04 to 12.04 (x64 arch) maximizing or resizing GNOME Terminal (3.4.1.1) windows larger cause the Xorg (1.11.3) or X process to utilize 100% CPU. Resizing smaller, moving ...
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2answers
458 views

CPU working hard while sleeping after upgrading to 12.04

I just upgraded to 12.04. I noticed a new weird behavior that did not happen on 11.10. When I lock the screen, or when it sleeps automatically after the computer is idle, the CPU fan starts working ...
3
votes
0answers
309 views

Thunderbird CPU usage [duplicate]

Possible Duplicate: Why is Thunderbird pegging a core at 100%? Is there any reason that Thunderbird uses 18-30% of my CPU constantly. This normally wouldn't be a problem but I like to leave ...
4
votes
1answer
1k views

Ubuntu One Taking up 40-170% of CPU usage with i5 processor

I am backing up all of my photos and docs, so I have purchased 160GB of storage. Yes, it is a lot of photos... I am finding that my system is running very slowly while the backups are taking place, ...
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3answers
5k views

Compiz makes CPU run at 100% when in suspend mode in 12.04

Recently I installed Ubuntu 12.04 on my laptop. And I found that when I left my laptop suspend mode, the Compiz hold CPU at 100% all the time until the laptop woke up. Can anyone tell me what is ...
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votes
3answers
6k views

Compiz using 8% - 25% cpu continually

Any tips? Running Intel Core 2 Quad x64 ubuntu precise 12.04 Dell OptiPlex 760 nvidia graphics driver UPDATE: Unfortunately I uninstalled Ubuntu... Just couldn't deal with the incompatibilities and ...
2
votes
1answer
853 views

Compiz consuming lot of cpu when display is off in 12.04 [closed]

I just upgraded to 12.04 this weekend, and since the upgrade, whenever the screen is turned off (after 5 min of inactivity), the fan starts to run like crazy, making a lot of noise. When I get back to ...
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2answers
2k views

System monitor detecting load averages higher in 12.04?

In 11.10 my load averages stayed around .06.I ve been on 12.04 precise for 3 days now and have noticed my load averages stay around 1.06 at all times.Can someone tell me what is going on?I was told ...
3
votes
2answers
478 views

12.04 runs my CPU up to 99%

12.04 runs my CPU up to 99% and then lags to the point of having to shut down the laptop to restart it manually.Why is my CPU running so high and what can I do to fix it?
4
votes
2answers
422 views

How can I diagnose what process is using CPU time?

It's a "problem" that i have since 11.10, now I've upgraded to 12.04 (fresh install). Even while ondemand governor is set, and the computer is idle, fan goes on and doesn't want to shut down. Images ...
6
votes
3answers
2k views

High CPU usage when watching youtube videos (HTML5)?

When I watch a youtube video, especially in HD, the browser I'm using (chrome) will use in excess of 200% of the CPU. This causes the video to stutter and also makes my laptop very hot. Is it normal ...
0
votes
1answer
373 views

How to make an app start with a lower 'nice' value

I would like to know how to make a program (Eclipse) always start with a lower 'nice' value. I tried to manipulate ‘/usr/share/applications/eclipse.desktop’ - with no success. Exec='nice -n -10 ...
18
votes
2answers
3k views

What's the fairest way to monitor total CPU time - per user?

On a multi user system, I want to measure each user's CPU usage in seconds of cpu time. For the purpose of this measurement, I assume that if a PID belongs to a user, this user is causing the CPU time ...
3
votes
1answer
2k views

What is fuser and why is it so processor hungry?

My computer became too slow and according to top fuser is consuming all available cpu time. What the hell is that? What do I have to do get rid of it?
2
votes
1answer
641 views

How can I decrease the frequency of the fan running on my laptop?

I am an Ubuntu 11.10 user with a laptop with a noisy fan. the fan runs way too frequently, blowing when all I'm doing is web browsing. I am willing to sacrifice speed for a less hot laptop, can ...
3
votes
1answer
3k views

'gnome-shell' process causing 100% Overall CPU utilization? What is going wrong?

Since morning today, my laptop has been freezing up frequently. Only option available at that time is to kill x-server(as ctrl-alt-backspace is the only thing which works that time). I checked "Task ...
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vote
1answer
201 views

Does removing extra workspaces in Unity2d impact CPU or RAM performance?

I never used workspaces, so I have set number of workspaces to 1. After restarting, unity seems to be kinda snappier. What`s in theory?
1
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0answers
137 views

New system runs WAY slow.. What to look for? [duplicate]

Possible Duplicate: How can I improve overall system performance? I have a new Ubuntu installation (11.10) on an older machine (Intel P4 1.7G). System monitor shows CPU usage pegged most ...
2
votes
1answer
3k views

NTFS drive mounted generates huge load

I've got an NTFS drive mounted and on I/O it generates huge amounts of load. I'm now running my CPU (amd fusion dual core) at 100%... both. My load average is 3.47 at the moment. Anyone an idea to ...