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

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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 ...
9
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4answers
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
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1answer
874 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
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2answers
502 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
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2answers
455 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
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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
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1answer
402 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
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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
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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
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1answer
681 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
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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 ...
1
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1answer
213 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
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1answer
4k 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 ...
2
votes
1answer
516 views

Why does Gnome System monitor never tell me what process is actually using the CPU?

I have an applet in my Gnome Panel which shows me the current load of my CPU. This is important on my laptop because it's a slightly older machine, and so knowing when I should let it finish one task ...
1
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1answer
183 views

random bursts of CPU activity

I am running a wubi installation of ubuntu 11.10 64 bit and every hour or so there is a random burst of activity where the CPU is at 100% and I have trouble just browsing on firefox. This can last ...
12
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1answer
5k views

identify which chrome tab is using up CPU?

I sometimes have a bunch of tabs opened in Google Chrome, which I believe creates a new process per tab. I would like to be able to pinpoint the tab that is using up the CPU. Is there an easy way to ...
2
votes
3answers
533 views

How come Ubuntu is slowed down even after all resource-hungry apps have exited

I have been wondering this for quite a while, thought I might give a shot asking it here. Scenario: I use an application that used a lot of resources (for example image batch processing or ...
1
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0answers
232 views

unrar causes CPU spike and can't be killed [closed]

From time to time I see my CPU usage spike and my laptop starts to heat up. I run top and see that an unrar process is running and consuming anything from 40 - 99% of CPU capacity. I try to kill ...
2
votes
2answers
3k views

How to stop “aptd” from maxing out my CPU?

After running the "top" command in the terminal, I see "aptd" running which causes the cpu to run at 100%. If I'm updating the system, or installing a software, I see it. I only recently noticed it. ...
2
votes
2answers
355 views

2000+ processor wake ups..?

I have dell xps 15 with nvidia 525 with optimus. I use ironhide for optimus support. Under normal conditions I can see 2000+ processor wake ups. As a result of which my battery dries up rapidly. In ...
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1answer
1k views

How to use cpulimit on ALL cron jobs?

Using Ubuntu Server an AWS micro box, so if the cpu utilization spikes AWS will virtually kill the CPU for the box (for about 30 sec). nice doesn't solve the problem, but cpulimit does (I use it in ...
1
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0answers
398 views

CPU usage under ideal condition [closed]

I'm using dell xpx L502X (i7 - core) with ubuntu 11.10 with nvidia 525 with optimus support. I have installed ironhide for optimus support on my laptop. When I look at system monitor even under ...
3
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6answers
8k views

100 % CPU usage with “on demand” setting due to Xorg

I upgraded to Oneiric (from Natty) on my IBM Thinkpad X41. With the default CPU speed setting of "on demand" I get 100 % CPU usage. In System Monitor (nb: view > all processes) the dominant process ...
4
votes
5answers
7k views

Init process at 100% CPU usage

I have a Ubuntu x64 machine on a OpenVZ VPS account on a QuadCore processor with 1GB/2GB(burst). A few days ago I've managed to successfully update it to 11.10 Oneiric Ocelot. There's only one ...
2
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1answer
1k views

Clementine has high CPU usage even after shutting it down

I have an issue with Clementine: sometimes (even after switching it off) it takes up a lot of CPU like on the screen here On the screen there are visible 2 instances of Clementine but both of them ...
0
votes
2answers
602 views

How to measure single app CPU usage over time?

I'm doing some performance test for apps in Ubuntu. Is there a nice way (or an application) to measure the CPU usage of a single app? I would be great if it was also possible to create charts of CPU ...
1
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0answers
328 views

Why does Xorg take all available CPU power when I run Update Manager? [closed]

I am using Xubuntu 11.04 with the default nouveau driver for nVidia Corporation NV17 [GeForce4 MX 420] graphics controller. Xorg takes all available CPU power, if I run Update Manager in this system; ...
7
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2answers
4k views

How to log memory and cpu usage of an application?

Similar to question How to log CPU load?, I would like to log memory of a process. The process I want to log, is killed on a remote server, and I want to find out the CPU load and the memory usage ...
1
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4answers
3k views

rsyslogd using 197% CPU for the past few days

I'm running Natty server on the rackspace cloud and rsyslogd as been churning away usin 197% CPU (quad core machine I believe) for the past few days. Is there anything I can do to figure out what is ...
4
votes
1answer
3k views

High CPU usage with Team Speak 3.0.0-rc2

The CPU usage is always around 40 percent. I use push-to-talk and I had uninstalled pulseaudio. Now I use Alsa. I don't even have to connect to a Server. By simply starting TS the cpu usage goes up ...
7
votes
1answer
7k views

why is rtkit-daemon eating 100% of my CPU?

I sometimes have an rtkit-daemon process eating 100% of my CPU and making the system unresponsive. I reboot and things are fine after that. What is rtkit-daemon supposed to do and why would it be ...
1
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0answers
602 views

NXserver: nxnode uses 100% CPU [closed]

I am using Nomachine's NXServer. Installed with these packages: nxclient_3.5.0-6_amd64.deb nxnode_3.5.0-3_amd64.deb nxserver_3.5.0-4_amd64.deb The server machine is Ubuntu 11.04, the client ...
4
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2answers
373 views

How can I view the load average over a shorter time period?

uptime reports load averages over the last 1, 5, and 15 minutes. How can I view the load average over the last 10 seconds?
6
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3answers
11k views

Very High CPU usage (100%) from just browsing the Web

I tested on Firefox and Chromioum. Im at 100% while loading pages which causes them to load slow and when I dont have a application running Im at 40% CPU (At least) Everything is slow basically. Im ...
19
votes
5answers
15k views

Why is Xorg taking up so much memory and CPU?

I recently reinstalled Ubuntu 11.04 Natty after a massive hard drive failure. Now, for some reason, compiz and Xorg decide it's a fun idea to start eating up my RAM and CPU - GB by GB. Starts out at ...
4
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4answers
2k views

Is this CPU usage normal for Xorg?

I checked System Monitor to see if the frequency of my CPU increases without doing anything and saw that xorg is always using 10-40% of the CPU even if it's not doing much of anything on the desktop ...
2
votes
2answers
503 views

run.x86-linux always at 100% CPU

I have my computers left open for 2 days. The last few hours when running the top command I get back these results: top - 20:51:39 up 1 day, 7:22, 4 users, load average: 1.38, 1.64, 1.53 Tasks: ...
8
votes
5answers
13k views

How to monitor & log server hardware temperatures & load

I am looking for a way to log & monitor my server hardware temperatures and load (like for CPU or RAM). How might I do that? Objective is to: ensure hardware is not heating up identify what ...
1
vote
1answer
1k views

Why are Ksoftirqd -processes pushing my CPU-LOAD to 100%?

When I suspend or hibernate my laptop, the Ksoftirqd/0 or Ksoftirqd/1 process runs on 100% continuously. I have to reboot or shutdown my laptop then. This happens in Ubuntu 10.04, 10.10, 11.04 and ...
0
votes
3answers
583 views

Frequent CPU hogging

I am using ubuntu for 4 months. I am starting to notice that, my CPU usage is becoming 100% very frequently and my system becomes unresponsive. I don't run any CPU intensive tasks, just nautilus, ...
2
votes
1answer
2k views

How do i fix the slow scroll in browsers and high XOrg cpu usage

I am facing an issue while scrolling in browsers(firefox, chrome, and opera) , scroll is jagged and slow. Also when scrolling the cpu usage spikes. I am currently running ubuntu natty(beta 1), ...
2
votes
1answer
753 views

Filezilla High CPU Usage

My Filezilla takes about 80% of CPU whenever its window is visible. When I minimize the window, CPU usage goes go back down to the expected, low percentage. I've tried a few versions of filezilla from ...
8
votes
1answer
10k views

How can I prevent [flush-8:16] and [jbd2/sdb2-8] from causing GUI unresponsiveness? [closed]

Approximately twice a week, the entire graphical interface will lock up for about 10-20 seconds without warning while I am doing simple tasks such as browsing the web or writing a paper. When this ...
0
votes
2answers
1k views

High load (and high temp) with idle processes

I've got a semi-old laptop (toshiba satellite a110-228), that's appointed 'laptop for the kids' by my sister. I've installed ubuntu netbook (10.10) on it because of the lack-of memory and it seems to ...
4
votes
1answer
110 views

Can certain system-hungry modules be disabled?

Let me add some context: I am currently using Ubuntu 9.10 64-bit (Desktop) on a relatively powerful stationary PC (Intel Core i7 920, 12GB ram). My purpose is highspeed imaging with a pointgrey ...
3
votes
1answer
1k views

How to compute PID cpu load?

Please help me to find a reliable way to compute (in a bash script) a jboss PID cpu load. To be specific, I don't know how to aggregate /proc/[pid]/stat fields to obtain the load a specific process ...
3
votes
2answers
652 views

Netbook freezes with high load on every IO operation

I have Acer EEE PC with SSD drives and ubuntu 10.10. It works fine - most of the time - but after boot or io-intense operation (copying file, installing updates, etc...) load increases to 2, stays for ...
1
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2answers
1k views

What does the kernel message `CPU0 attaching NULL sched-domain.` mean?

Question: What does this dmesg mean? Is it bad? There is a two year old post about how this could imply degraded I/O performance, could this be/is this still true?? Background: I have been ...