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

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apport-gtk 100% CPU usage on startup on Ubuntu 14.04 LTS

I'm getting 100% CPU usage at startup consistently by apport-gtk as shown here. According to https://wiki.ubuntu.com/Apport, Apport shouldn't even be running on my machine since it's not a beta ...
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84 views

Ubuntu 14.04 kworker hogging cpu; fix didn't work

Fresh install of ubuntu 14.04 on a touchscreen Toshiba Satellite laptop with intel graphics. I tried to follow the fix here: Why does kworker cpu usage get so high? It didn't work; my problem seems ...
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189 views

100% CPU usage Ubuntu 14.04 compiz [on hold]

My motherboard A8V-MX VIA K8M800 with on board graphics card. After fresh install everything was very sluggish. I checked system monitor to see my cpu usage at a constant 100%. compiz is the process ...
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1answer
55 views

How to convert to a Lighter wight Ubuntu 13.04 Desktop

I am using Ubuntu 13.04 Desktop and I'm happy with it. However sometime I think the older versions were better as they were lighter or utilized less resources. Is there any way that, it will ask me ...
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54 views

Ubuntu 13.10 (upgrade from 13.04) unresponsive during high CPU load

I have a Samsung Series 9 laptop with a 4-core processor, 4GB ram and 12GB swap. During compiling an Android project it becomes unresponsive to the point where the mouse pointer stops moving, and it ...
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0answers
19 views

12.04 LTS could not reach an even CPU load

I have a 12.04 LTS server. 2 x XEON E5-2620v2 processors. I run same program on each processor. after some days, the second processor seems to be in error status. ( I monitor them with turbostat and ...
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0answers
31 views

CPU usage - where in filesystem

There are lots of CPU Usage questions appropriately answered by "top" etc, but I am writing my own monitoring app for one particular machine, and want to know where CPU Usage details are in the ...
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2answers
45 views

How to get the cpu utlization percentage for each user in ubuntu by a command

I've typed this command to get the memory usage for each user : ps aux | awk 'NR>2{arr[$1]+=$6}END{for(i in arr) print i,arr[i]}' I want to know if there is a command or a way to get the cpu ...
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1answer
92 views

CPU Load is 100% non-stop after installing 500 new fonts

Since I installed 500 new fonts and cleaned data with BleachBit, My CPU loading is 100% non-stop every time I turn on my laptop or restart it. After waiting few time in power off, I switched it on ...
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1answer
164 views

How to calculate the average of cpu usage and memory usage over a period of time in ubuntu

I have to generate reports for the following : 1- cpu usage. 2- memory usage. The generated reports must be looks like the following forms : I've tried with more than one command to get ...
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1answer
81 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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50 views

ubuntu 12.0-4 high load at boot with process “yes” using more than 50% slow boot and login time etc

i am using ubuntu 12.04 LTS 64bit on a samsung chronos series 7 NP700Z5A-S0AUS i had to redo the os, so i saved my home directory and just redid the operating system then i used synaptic and the ...
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0answers
71 views

Cpu usage over 20% on all cores fom compiz, Xorg, and at-spi2-registr

I noticed that on all 6 cores on my processor my computer is using 20-60%. No windows were open aside from the system monitor. I ran the command "top" in terminal and found that compiz is using ...
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0answers
52 views

Swap, zram, CPU, memory & Software Center [closed]

This is a shot of my swapfiles and System Monitor: and I would like to know what is the best way to reconfigure my swaps. Below is the result on my terminal: harayz@ASUS:~$ cat /proc/swaps ...
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2answers
296 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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84 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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22 views

High “system” cpu usage, no IRQs to blame [duplicate]

I have a WYSE V50L 800MHz terminal with Ubuntu Server 12.04.3. The problem I'm having is high "system" cpu load while exchanging files with the terminal. Example - downloading a file via ssh - ...
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170 views

KAlgebra load problem

I want use KAlgebra on Unity. But loading of this program waste more time and after approximately 10 minute it be loaded but on any operation it freeze again. CPU load is so high when it is trying to ...
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0answers
12 views

stop ubuntu polling during suspension

Problem is Ubuntu is continually polling for devices during suspension. These polling's take place on pcie devices my laptop doesn't connect devices to possibly. They are on a cpu which could have ...
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1answer
62 views

How to lower Flash video resources usage for Chrome minimized?

I noticed that minimized or not makes no difference for CPU usage when playing Flash video in Chrome. How to fix that (seems obviously not right)? What makes it annoying is that I have video decoding ...
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0answers
10 views

What is kworker and why is it using almost 100% of the first cou core? [duplicate]

I know this question is asked several times, but I don't find a solution (if there is any) I have a samsung series 7 CHRONOS laptop. CPU - Intel® Core™ i7-3635QM CPU @ 2.40GHz × 8 I'm on Ubuntu ...
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232 views

why firefox 25.0.1 tack high cpu usage?

While i update my firefox to 25.0.1 in my ubuntu 12.04, It tack a high usage of the cpu, and i have to close it and reopen it to solve it. this problem happened as when i update my firefox. In last ...
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1answer
178 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. ...
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105 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 ...
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4answers
1k 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 ...
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1answer
143 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 ...
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3answers
5k 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 ...
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1answer
479 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 ...
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1answer
80 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
263 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 ...
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1answer
200 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 ...
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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 ...
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1answer
148 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
900 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 ...
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1answer
360 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 ...
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123 views

`dnsmasq` and `nullmailer-send` use CPU time constantly

Since a couple weeks now, I have the following processes use a lot of CPU time: /usr/sbin/nullmailer-send -s (5%) /usr/sbin/dnsmasq --no-resolv --keep-in-foreground --no-hosts --bind-interface ...
2
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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 ...
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163 views

Netbook Fan speed Lenovo x130e

After using Ubuntu 13.04 for about a week I have noticed that my netbook's fan speed seems to be moving faster that it should. In windows I would have moments where the fan would spin slow or shut ...
2
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1answer
842 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
264 views

Transmission causes mount.ntfs use up to 100% of CPU

Today I tried to download a large file (12 Gib) and save it to a folder on an NTFS drive using Transmission bit-torrent client. When the download reached approximately 60-70% Transmission started ...
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0answers
58 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
1k 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
63 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 ...
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0answers
178 views

Ubuntu 12.10, plain install very slow at times (high CPU load)

I recently re-installed Ubuntu on my laptop (Vostro 1700; 2G RAM, Intel Core 2 Duo), and sometimes, a werid very high CPU load kicks in. It doesn't seem to do anything with the program that actually ...
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0answers
57 views

Work progress of operations in Libre Office

I have a quite large datasheet (about 400,000 rows and 8 columns) so when I work with it now (for example deleting thousands of rows) it takes ages (well, minutes) and the screen fades out (however, ...
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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). ...
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1answer
73 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
1k 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
202 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 ...
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1answer
462 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?