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

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Indicator-multiload at 100% CPU after power disconnect

I'm on Dell Latitude 3440 using Ubuntu 16.04 LTS 64-bit. Whenever I disconnect power plug from the laptop the system almost freezes with indicator-multiload taking 100% of CPU. When I kill indicator-...
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18 views

All 4 CPUs showing above 90% in system monitor

I am using Ubuntu 15.10. When I use simple screen recorder, chrome or firefox, and any text editor, in the system monitor I can see all the 4 CPUs showing 90% above usage. But if I open all these ...
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24 views

uvcdynctrl is taking 100% CPU

A program uvcdynctrl is being spontaneously launched at random times (in an interval of week to month) on my laptop with Ubuntu 14.04. When this happens, the program takes 100% CPU and the temperature ...
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193 views

Software and Updater consumes 100% CPU in Ubuntu 16.04

I've upgraded my laptop (Lenovo Z50-70) which has an i7 CPU and 8Gigs of Ram to Ubuntu 16.04 from 15.10. I've been installing updates consistently. I'm using ubuntu with Gnome desktop environment (GDM)...
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11 views

EC2 Ubuntu machine showing high load factor

I tried searching for my problem online but couldn't find anything helpful. I have an ec2 machine running Ubuntu 14.04. It's a t2 large instance (8 GB of RAM, 2 CPUs). I am running few python-Scrapy ...
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1answer
66 views

CPUs are overused with internet browsers, maybe Ubuntu+i5+JS don's work well

I'm having trouble with the Ubuntu 14.04 on PCs Intel NUC i5 8 GB RAM SSD HD. They are used mostly with Google Spreadhseets and are high usage of internet browsers and JS applications. PCs are quite ...
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2answers
58 views

what is python and why does it use so much cpu periodically?

I have a Compaq V5205 with 1.46g celeron CPU. I am relatively happy with the performance as I mostly just check email and browse the internet. However, sometimes the system slows to a crawl. I ...
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1answer
146 views

Very busy and overheated CPU while playing flash games

I have a very strange problem - when I play any basic browser flash game, CPU goes literally mad, it becomes very busy and overheated. I tried different browsers - did not help I tried playing ...
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46 views

Lubuntu 16.04 reduces backlight brightness to minimum on high load/temperature

The question is how can I disable this behaviour? It is maybe a kernel related thing but I could not find any option to disable it. If I put the brightness back to maximum, after some time the ...
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1answer
351 views

Eclipse using high CPU after upgrade to Ubuntu 16.04

I recently upgraded one of my systems to 16.04 and one of the many things that stopped working properly is the Eclipse IDE. It is now using about 60% of the CPU, even when the window is minimised, is ...
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348 views

Ubuntu 16.04 /usr/bin/gnome-software --gapplication-service 100% CPU consumption

From time to time process /usr/bin/gnome-software --gapplication-service starts consuming 100% of one of my cores. It is fixed if I reboot, or kill it with kill. Is there a way to understand why this ...
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1answer
218 views

Psensor usage and CPU load

When p sensor is being displayed top shows CPU usage some thing low like 1 or 2 percent. When I minimize p sensor top shows CPU usage goes wild 50, 60, 80 percent. What gives? Side issue I could not ...
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152 views

Ubuntu Mate 15.10 High CPU usage

My Ubuntu MATE 15.1o after a period of use will suddenly start showing Hi CPU usage as shown in SYSTEM Monitor. (Switching between 100% on each of 2 cores) Looking at Process the top user is XOrg ...
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1answer
114 views

Ubuntu 15.10 uses only 1 core

System monitor app shows that ubuntu uses only one core 100% (constantly over 99%) and the other 7 are not used at all (0%) also -while one core being at 100%- checking on the processes tab (which I ...
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1answer
56 views

Why doesn't System Monitor tell me which process is using the CPU?

On a Ubuntu 14.04 machine I set up recently, I noticed that sometimes the CPU consumption in System Monitor was at 30 or 40%, yet in the list of processes, only a few processes were listed as using ...
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37 views

System monitor, does it work?

Ubuntu 15.10, amd fx 8320, 16GB ram 2400, asrock 970 pro3 rev2. I have 2 frozen windows LVM and Ubuntu software center... the browser (And flashvideos ) are playing and the rest of the system is ...
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112 views

Reduce load average on Ubuntu 14.04

How to I reduce the average CPU load on Ubuntu 14.04? I have a low end PC and whenever I start Google Chrome the load average is at ~2,5-3 My Computer Specifications are: Intel(R) Celeron(R) CPU ...
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0answers
26 views

IO Wait has double since CPU replacement

I need help understanding something in my computer. I have an old AMD 3800+ with an old board, 4 Gig RAM and a 120 Gig SSD + 2x1.5 TB SATA running the very latest and updated 14.04. The OS runs off ...
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126 views

Randomly CPU 100% system freeze

Use Ubuntu 14.04 on DigitalOcean and sometimes my CPU go to near 100%. Reboot help me well, but this is going on 2-3 times a day and I need to fix it. How to display what and where used 100% CPU ...
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2answers
160 views

Troubleshooting high Sy CPU Usage

I am running a Supermicro server with Ubuntu 14.04.4 LTS. We have an app that is maxing out the sy cpu time, while barely touching user space. I run the same app on older hardware, with Ubuntu 12.04.4 ...
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104 views

init --user using 100% CPU [Ubuntu 14.04]

Occasionally, the init --user process takes up 100% CPU on my old VAIO VGN-FW31ZJ. Here is a snapshot from top; top - 20:03:31 up 35 min, 3 users, load average: 2.48, 2.69, 2.48 Tasks: 217 total, ...
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2answers
158 views

High CPU load, low core usage, (ECC) memory error in kernel

I am having a super weird behavior ... The CPU load of my computer goes through the roof (>4 on a 8core machine) but there is no process that is taking much CPU (see attached image) Though the 8 core ...
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1answer
40 views

Heavy CPU Load IRQ Related

Hey guys I'm curious as to what anyone here thinks. I have an HP Envy Laptop running Ubuntu 15.10 and it has a 4th generation quad core i7. For some reason since I first installed it my fan spins up, ...
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32 views

High fan utilization for 30 seconds every 50 seconds on Ubuntu 15.04

About twenty minutes ago, I was getting a fan speed of full every fifty seconds. This was slowing down my computer, and even moving the mouse or typing a key took seconds to affect a change. I took ...
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1answer
159 views

CPU is maxing one core and not using others (John The Ripper)

I just built a new computer last week and have been running Ubuntu 14.04. I've noticed it only ever runs one core hard and the others will be below 5%. I was running John The Ripper just now and it ...
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185 views

Chromium causes high Xorg CPU usage

As said in the title, often Chromium causes a high load because of Xorg using between 50%-90% of CPU. It happens without any evident pattern (maybe it's related to the pinned tabs, but I'm not too ...
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1answer
26 views

restart urfkill after resume from suspend

How can I restart a the process urfkill (which consume 100% of CPU), each time the system resume from suspend. I've applied solution provided here After upgrading to Ubuntu 15.04 urfkilld use 100% cpu,...
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1answer
131 views

How to store output of (mpstat) command in a variable in shell script

I want to store each output of commands mpstat or mpstat -P ALL, like %usr,%nice,%sys,... in a variable. Can you help me to do this,because I want to sum some of them.
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86 views

Everything has 100% processor usage

As the title says, almost everything I try to run has near 100% cpu usage. Steam, Chrome, Spotify for example. I'm not sure, but i think this is caused by my graphics card and/or driver, I have ...
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1answer
382 views

What is the lightest software miner for bitcoin mining? [closed]

I have some hosted systems which most of the times don't have any work to do.I wanted to run some software miner on them, but I read a Warning in this stackoverflow post : How to install bitcoin ...
2
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1answer
376 views

Compiz CPU usage around “100%” when system idle/screen off

When I'm in the room and leave my laptop sitting for a period of time, the screen goes black (powersave mode) and then almost immediately I hear the fan go into overdrive and the laptop and air ...
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409 views

“socat” process using 100% of a CPU core on Ubuntu 15.04

Recently, my computer, which is running Ubuntu 15.04 with the GNOME desktop environment installed, has started running slowly. I wondered why this was happening and looked in gnome-system-monitor, ...
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1answer
137 views

Ubuntu 15.04 - 15.10 Pepper Flash CPU overload (8 core maxed out !)

Since 15.04 - 15.10 (both has the same issue) using Pepper Flash with Chrome or Firefox leads to CPU overload. Firefox is more problematic as it does not thread things, thus leading to very laggy ...
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1answer
576 views

Cinnamon using a lot of CPU

I have a fresh install of Ubuntu 15.10, I installed cinnamon. I observed than the latter was using a lot of CPU, see below: I see no reason for this, and if I kill the process, cinnamon launches ...
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1answer
307 views

Why is khubd process using too much of my CPU?

analyzing the process manager I found that the khubd process uses more CPU than other processes all that are running. It uses at least 25% and even uses around 40%. Does anyone know what this process ...
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3answers
567 views

After 15.10 upgrade NetworkManager using 30% CPU

Just upgraded a 3rd Gen Lenovo Carbon X1 from 15.04 to 15.10 and I noticed a rise in CPU usage. /usr/sbin/NetworkManager is using ~35% constantly and /lib/systemd/systemd-journald seems to rise when ...
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1answer
99 views

Why does ubuntu consume 25% of the CPUs while beeing idle?

I am experiencing 25% CPU usage on a ubuntu 14.04.03 server which is supposed to be idle. According to htop, load is about 1.0 while the underlying proccess all show 0 to nothing of CPU load. There ...
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2answers
2k views

Chrome using more than 100% CPU on YouTube?

I'am new to Ubuntu and I'am trying the 14.04 LTS version. When I am seeing any video on Chrome, my computer suddenly gets real slow, so I opened Chrome's task manager... Why is this happening? ...
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2answers
2k views

Trying to Get Total CPU Usage in Bash

I'm trying to get the CPU's total load with this: IDLE=$(mpstat | grep "all" | cut -c 92-) CPULD=$(expr 100 - $IDLE) echo $CPULD but it always returns: expr: non-integer argument on the second ...
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132 views

High CPU change all the time from core to core?

I have high CPU problem in my wife's desktop, so I am in big trouble now. Motherboard: ASUS P5L 1394. Processor: Intel Core 2 Duo E4500 2,2GHz. Memory 4GB. Graphics adapter: Nvidia G84[Gforce 8600 ...
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0answers
135 views

Spikes in CPU usage while using Gedit in Lubuntu from ibus-daemon and ibus-x11

I am running Lubuntu 14.04 all up to date and I have started noticing every now and then my CPU is spiking I managed to catch it in a top as shown below: top - 18:12:17 up 3:40, 5 users, load ...
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0answers
336 views

14.04 - What's with systemd-udevd? Heavy CPU and RAM usage when system idle w/o any application running

I have left my laptop on overnight for charging two video recording devices via USB. Next day I woke up, I found that there was heavy CPU, ram, and swap usage (screencap for reference). In System ...
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0answers
259 views

gnome-keyring-d uses CPU too much

I'm using 14.04 LTS and always monitoring how much CPU resources are used by processes. gnome-keyring-d always attracts my attention by using too much CPU - almost 10%. After about 5 minutes OS ...
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0answers
75 views

System is slow after high load

I have some python code that I run using Eclipse, that which requires a few GB of RAM of 100% of CPU (Machine Leaning stuff). When I run the code, the OS gets almost completely unresponsive. When I ...
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1answer
28 views

High load when playing music files audio or video

Why do I keep getting high loads when I play music videos and audio files? Sometimes the computer hangs and everything stops working because of filesystem corruption and I have to repair it before am ...
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1answer
800 views

CPU running at 60°C on Yoga 13 – How to control fan speed?

I am running Ubuntu Gnome 15.04 on a Lenovo Yoga 13 laptop. My fan is constantly running. If have tried to solve the problem with TLP , but to no avail. I have also installed cpufrequtils. On ...
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0answers
161 views

why do watchdog cause high load average

I have encountered a problem of high load average. I find out that it's the watchdog process that keeps in running status. I could not figure it out. top - 12:08:40 up 182 days, 44 min, 2 users, ...
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3answers
495 views

How to figure out what is causing CPU usage to spike to 100

For the last few weeks, CPU usage on my computer will spike to nearly 100%, which makes the computer unusable. Sometimes I'm able to switch to a virtual console and issue sudo shutdown -h now, but ...
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3answers
607 views

Is there a way to autostart CPULIMIT in order to reduce excessive CPU consumption

tracker-miner-f, tracker-store, tracker-extract and dropbox processes are killing my CPU, they make it run at over 100%, overheating my laptop. I have installed CPULIMIT and it works great ...
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3answers
3k views

High System Load, Low CPU/RAM Utilization on Ubuntu 15.04

not really a system administrator here but really trying to just set up a server (a rented VDS, really) for some friends. I recently transferred basically game servers/MySQL/web sites over from one ...