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

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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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2answers
24k views

What's the difference between load average and CPU load?

Here's the output of top: top - 23:30:49 up 2:18, 1 user, load average: 4.36, 4.36, 4.39 Tasks: 105 total, 2 running, 103 sleeping, 0 stopped, 0 zombie Cpu(s): 3.6%us, 8.0%sy, 0.0%ni, ...
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votes
4answers
7k 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 ...
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2answers
6k 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, ...
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3answers
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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 ...
13
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5answers
16k 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 ...
13
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1answer
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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 ...
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4answers
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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 ...
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3answers
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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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2answers
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How to log CPU load?

How to log CPU load to a file in order to investigate a problem?
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5answers
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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 ...
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4answers
6k views

High Load, but nothing running?

I am not sure how this is even possible. Looking at top, my loads are often above 2, 3, 4.0, but I am over 99% idle. There is never a process at the top that is taking up anything, all my processes ...
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2answers
2k 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 ...
2
votes
2answers
382 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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votes
1answer
227 views

can the applications at “startup applications” be less encumbersome?

With this tip I saw there is a total of about 60 applications being started.. I have to sit back and wait about 45s while the desktop is unresponsive... How startup applications work? can I tweak ...
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3answers
67k views

Why is ksoftirqd/0 process using all of my CPU?

I was feeling Ubuntu was running a bit sluggish, and then I went to see the processes running on it, and found one which was using something like 50% of CPU called ksoftirqd/0. Does anyone know what ...
7
votes
1answer
8k 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 ...
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2answers
4k views

CPU Turbo boost: modify temperature limit under 14.04

I've installed kubuntu 14.04, and there is some problem with CPU turbo frequency. I've read a lot about it, but can't find the correct answer. There is an i7-3630QM CPU @ 2.40GHz with 3.20GHz turbo ...
3
votes
1answer
1k 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 ...
3
votes
2answers
164 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 ...
0
votes
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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3answers
597 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, ...