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

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16 views

Why do my CPU sensors show different values? [on hold]

So I'm back to linux after 10 years of Windows. My sensors are acting up showing different values can anyone explain this to me? So on the one hand the cores are working fairly hard but on the other ...
2
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0answers
39 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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59 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
52 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
40 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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30 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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57 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
20 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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68 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
89 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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68 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
85 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
36 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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25 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 ...
3
votes
1answer
122 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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0answers
134 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 ...
0
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1answer
23 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% ...
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1answer
66 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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75 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
103 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 ...
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1answer
272 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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293 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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113 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
345 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
182 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
466 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
88 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
1k 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
1k 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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0answers
116 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
108 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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273 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
190 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
65 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
24 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
636 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
138 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
393 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
465 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 ...
2
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3answers
2k 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 ...
3
votes
1answer
491 views

Low priority process (nice 19) getting more CPU time than regular process (nice 0)

I have a server running Ubuntu server 14.04 64bit and I am having an "interesting" problem with it. I have 2 users running some programs concurrentlly - d and m. The processes of user "m" are not time ...
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2answers
450 views

cpu is always at high consumption 50% - 90%, what can be checked for solving?

My platform: Host: Ubuntu 14.04.2 Virtualbox ubuntu 14.10. The cpu of the client 14.10 is always reach at high consumption, although no app running. After a start up, I launch nothing, the cpu is ...
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0answers
194 views

ubuntu-geoip-provider 100% cpu

/usr/lib/x86_64-linux-gnu/ubuntu-geoip-provider is using a full core on my laptop and doesn't seem like it'll ever finish up - have left it running for at least 30mins before killing it. it'll restart ...
0
votes
1answer
450 views

usage of disk freezes ubuntu for few seconds

I installed ubuntu 14.04 about 2 months ago and about 1 month ago this issue began to occur: Whenever HDD is used (saving a file, file download, opening a file..even small ones) there is about 60% ...
3
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1answer
335 views

Bash script, arithmetic with floating point variables / strings that represent them

I'm trying to create a simple script that takes an average load percentage of the CPU each minute. I'm doing this by using the sar command from the sysstat package. Here is my current code: ...
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3answers
186 views

Can I somehow pause all processes of an user logged in in background?

I have mainly two accounts on my 14.10 laptop: Mine (admin) and my brother's (restricted). Now when my brother is logged in and runs some applications like firefox with flash player, it consumes ...
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2answers
981 views

Xubuntu pentium 4 not enough CPU for development

I installed ubuntu 14.04LTS lately on an old pentium 4 with 1Gb of ram. It was unusable. I moved to Xubuntu and added another Gb of ram for a total of 2Gb. I set the swapiness to 10. All these changes ...
3
votes
1answer
512 views

How to prevent running programs from consuming all RAM and CPU?

I have an annoying problem with Ubuntu's resource management. Frequently it happens that some programs such as Google Chrome browser consume 100% CPU and most of my laptops memory. I want to have a ...
3
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0answers
443 views

Compiz cpu usage too high after update

I started using Ubuntu 14.04 and i had no problems with high cpu usage and watching videos, but after the recent update to 14.10 when i play a video on my file system .avi or .mp4 doesn't matter the ...
0
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1answer
179 views

Load average high on only one of 16 HP workstations

I have a lab setup with 16 HP Z620 systems, all alike (purchased at the same time), with exactly the same Ubuntu 12.04 installation with current kernel 3.13.0-44-generic. Well, not quite all alike: ...