Questions tagged [cpu-load]

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

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How to learn what processes have been eating CPU over a period of time?

I have a CPU that has been maxing at 100% for a few days. However, htop and top do not reveal any especially obvious processes consuming cycles. How can I find out what is eating cycles?
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Way to speed up cp -a (using cp -a within a thumb drive is very slow)

When using a thumb drive with a persistent operating system, it happens that the persistent partition casper-rw gets corrupted, if one pulls out the thumb drive too early after shutting down the ...
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Check max cpu clock speed in linux

I have seen this question multiple times but no answer to the point. I am on Ubuntu 20.04, CPU is R9 5950x. All I want is a stress test where it shows the max clock speed (in MHz) and what a single ...
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Why would KVM intermittently cause 100% CPU load by “System interrupts” in a Windows 10 VM?

I'm running a hundred Ubuntu 16.04 LTS servers with basically identical hardware distributed worldwide. (I'm working on upgrading them to 20.04 LTS but certain unfortunate design decisions on the part ...
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Monitor CPU cumulative usage by process over time

I'd like to collect CPU usage info over some time to answer the question which process stresses my system overall the most. Is it Firefox? Is it ffmpeg? Etc. I have htop installed, but there one ...
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How To Limit User RAM and CPU

So this is my first time posting on Ubuntu forums, so please excuse me if this question is repetitive, or just plain stupid. A bit of background: I am a 14yr old developer, who has an ubuntu 20.04 ...
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Summarize CPU load for a full process tree in htop or other tool

I want to see the full load MS teams creates, which has plenty of threads. I already tried the tree view but the values from (1) are not added up in (2) Can this be seen in htop or another nice tool? ...
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MATE System Monitor does not display CPU usage correctly

I've noticed that the CPU usage display on Ubuntu MATE's built in system monitor (mate-system-monitor) does not display cpu usage correctly. The %CPU field appears to always display as all zeros (...
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Gpaste daemon very high cpu pasting images untill killed

My OS is Ubuntu 20.04.2 LTS fully up to date, shell 3.36.8, window manager X11, 4 core - 8 thread intel cpu. I am taking png screenshots with Flameshot 0.6.0, that I then paste in a LibreOffice 6.4.6....
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How to find the reason behind sudden CPU max usage and server crash

Scenario: I have a 4 core CPU, 8GB Ram, Ubuntu 20.04 server with Linode.com. For the last few days my linode console shows a 400% CPU usage statistics and sends me threshold exceed warning emails. ...
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/sbin/zsysd using extreme amount of CPU+memory

I'm running Ubuntu 20.10 Groovy with full-disk encryption, on a Thinkpad T490. I did a fully clean install (moving from Debian) of Ubuntu about a month ago. After boot /sbin/zsysd starts using large ...
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'top' commant is inconsistent with system monitor

System monitor tells me that CPU load is at 20% but when I use the 'top' command the sum of %CPU is way above 20% and sometimes even exceeds 100%. Why is this the case? I am using an Intel i5 ...
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Xorg spikes in CPU usage when in resource monitor

I have an Intel i5-9500T 6 core CPU. When I have the resource monitor open, Xorg usage steadily climbs from 1-2% to 40% in a single core, as seen in htop. This climb happens over the course of 10-15 ...
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Misconfigured system: how to increase swapfile for LVM disks?

On an almost daily basis my laptop is stuck. In most cases I need to turn off the machine manually and restart it. In those cases CPU is very busy and memory seems to be used heavily. Memory: 8GB CPU: ...
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MY CPUs At 100% If I Run Anything Even after OS Re-install

It's a Dell Inspiron 2016 I5 quad core CPU w/ 8 gigs of ram. I don't think it should be obsolete already. The CPUs are always at 100 esp with any kind of website with a lot going on like FB or youtube....
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Ubuntu 20.04 LTS Xorg high CPU usage while Sound Settings opened

Several days ago I found huge lags over all system on my Ubuntu. Today I think found the problem, but not the reason. So when I open Settings -> Sound menu, the CPU usage comes to about 100%. If I ...
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How to log disk load?

This question is similar to How to log CPU load?, but I need to log disk read/write speed load instead. It would be better if there was a way to log both CPU and disk load at the same time, so I could ...
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Ubuntu 20.04.1 LTS CPU1 always at 80% no matter what

I'm a completely new user. I installed Ubuntu 20.04.1 LTS on my Surface Book 2 and I've been having a couple of problems. The most annoying one is that it is extremely slow. CPU 1 is AT LEAST at 80% ...
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How to Monitor CPU and GPU usage for a specific amount of time

I want to have the log of CPU and GPU usage for the past 24 hours, if possible or for a specific period of time
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129 views

How do I get a log of commands eat a specified cpu like 80%

This image comes from an issue disscussion on github I guess it was generated by some kind of dashboard. Is it possible to get this information by using some commands and bash on Ubuntu? I tried to ...
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experiencing high cpu usage after some up-time

i keep having this issue where one core of my cpu will get held high after a few minutes to an hour. htop wont reveal any culprits, the highest process can vary from chromium to steam to even xorg, ...
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High cpu usage spikes from one core - happens only after suspending laptop

I got an HP pavilion laptop, specs: Intel i7 8th 16gb ram 512gb ssd nvidia geforce gtx 1050 3gb I recently installed ubuntu 20.04 on it, got the nvidia drivers installed and configured correctly. CPU ...
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CPU runnig at high frequency even without any app running

I have Ubuntu 20.04 and I noticed my laptop fan constantly on and and I figured out it is due to the CPU running at higher clock frequency i.e 2.0-2.5GHz even when no app is open (there might be some ...
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Ubuntu Desktop 20.04 + Wayland: extreme CPU usage

Fresh installed Ubuntu 20.04 Desktop + Wayland. Whole desktop laggy af. Mouse movement like 3 fps and when typing something, it needs 1 second to display the characters on the console. htop output ...
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Shared worker taking 100% cpu within Chrome when looking at Pull Requests on GitHub

Recently I have noticed my fans ramping up on my laptop significantly when using google Chrome to look at GitHub. Looking at the chrome task manager this is due to a shared worker process. I do not ...
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“top” shows fail2ban and sshd at the very top, hogging CPU usage

top shows fail2ban and sshd at the very top and hogging CPU usage. top - 19:30:57 up 1 day, 9:44, 1 user, load average: 41.03, 41.02, 41.02 Tasks: 738 total, 1 running, 737 sleeping, 0 stopped, ...
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Unknown process is running at 100% of CPU on two seperate computers

I have two separate computer running Ubuntu 18.04 Both computer have a random unknown process that will take up 100% of two CPU cores. However, it will be gone after I reboot the PC. How do i remove ...
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How to lock Xeon cpu frequency to a specific clock rate?

So I am using a Xeon 2620 v4 through ssh/command line only. I have sudo access and have set all CPU governor to performance mode. However, when I set the frequency using: "sudo cpufreq-set -f ...
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How to get (from terminal) total number of threads per core?

I want to know how can I get the total number of running threads per core (in the runqueue) in the terminal (to be used in a bash script)?
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Crypto-mining maleware that disable input and output devices

I recently find my computer monitor sometimes shuts down itself and cannot be wake up by tying on my keyboard or my mouse. I turned off and on the monitor, but it shows 'no input signal'. I changed ...
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/usr/bin/top input/output error

i dont know why but for a 3 days my laptop just use a lot of cpu in ubuntu , then nothing works properly , i cant see resources in system monitor and when im using top cammonad its just saying /usr/...
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The whole UI is suddenly choppy

I have been using Ubuntu 20.04 LTS from when it was released and everything was fine until a few days ago. Suddenly UI became choppy (even for small task such as clicking or moving windows). I didn't ...
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CPU load average spikes every hour with CPU 55% and memory 82% only

Our Digital Ocean droplet's CPU load average spikes every 1-1.5 hour. Here is the the performance graph for the past 24 hours: Here are some MySQL error logs for 1.5 hours (one cycle) as well as ...
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3 processes start taking up all the CPU, computer overheats. How do I shut them off?

I have an old computer with Ubuntu 16. When I'm working on it, I'm not signed in as Admin. A few days ago I did an update and since then, it's happened twice that after several hours of working, I ...
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Super high CPU usage randomly starts when using Zoom, and doesn't end until I restart

Update: Live screenshot of when it happens So... When I'm using Zoom, most often during screen sharing, or when someone else is screensharing, all of my cores zip up to 100%, as in the screenshot ...
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Process related to Secure Boot taking a lot of CPU

This morning I tried to install VirtualBox. Somewhere during the installation I was given a notice that installation detected UEFI Secure Boot and that I should type a password after reboot to make ...
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Laptop CPU performance problem

I have a new and powerful Dell laptop (Prevision 5540). It's almost idle, CPU is not much used (less then 10%), but the fans are constantly working. psensor also shows unnatural spikes. I don't even ...
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High load average but low CPU from top

I'm trying to track down repetitive hangs on an oldish laptop (10yo, 4Gb of mem, 2 cores, Kubuntu 18.04) It now happens several times a day with moderate use (<10 tabs open in firefox, a bunch of ...
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Cpu restarting when hit 75 C

I need to fix my ubuntu 20.04 when the process hit 75 C it's restarting automatically, how I can prevent this, from my sensor it shows package id 0 when hit 75C My Processor Intel(R) Core(TM) i5-...
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575 views

VLC Player running in the background as root with 100% CPU usage

After installing VLC Player on Ubuntu 20.04, I have found that sometimes the program will run in the background under the root user and consume 100% CPU. I don't know what the exact circumstances are ...
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Resource usage log

Does Ubuntu register the resources it is using into a log? I need to see the load and RAM usage of a server at a specific time (approximately at 5 AM).
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818 views

Performance problem Ubuntu 20.04 when sharing screen with discord 0.0.10 and gaming

I have a performance problem when I play a game on Steam Proton and sharing the screen on discord 0.0.10. An example here, I am playing Monster Hunter World and show FPS on-screen and it shows 70 FPS ...
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Kubuntu 18.04 WebRTC videocalls CPU 100% spikes

My CPU keeps spiking to 100% usage while being in videocalls. Used Jitsi and Google Meets and tried both video call programs in Google Chrome as well as in Firefox. In both browsers the problem ...
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shell script to monitor cpu usage and alert with top 5 process consuming most CPU

I need to send an email whenever the CPU utilization goes beyond 70%? How could I do this? When the CPU utilization goes beyond 70%, I also need to get the start commands and process names of the top ...
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High load average number but low CPU usage - how to bring the load down without a reboot?

I maintain over a dozen xubuntu (16.04.6) linux servers for my lab. All of them are interconnected via nfs/autofs/ldap services to form a distributed cluster. It has been working fine, but two days ...
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How can I see what process spiked CPU usage and froze the system a few seconds ago?

My Ubuntu 18.04 randomly freezes for a few seconds. I can move the mouse cursor (sometimes), but otherwise the OS is unresponsive and I can't switch to any other application. When it resumes, I can go ...
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IP command using to 100% CPU on wakeup

On laptop wakeup I see a process called ip that uses 100% CPU. It won't stop on its own, I need to manually kill it every time. By looking for it in ps I could find that the command being run is ip ...
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Weird and Unasked Background Activities in Ubuntu Studio 19.10

I use Ubuntu Studio 19.10 inside two desktop PCs, both with the same machine configuration. But, just in one of them, there are some annoying, weird and unasked activities, related with "kworker", "...
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Why is Kubuntu using much more CPU than Windows in YouTube and other web browsing use?

I am just moving to Kubuntu from Windows. And i feel that browsers on Kubuntu cost so much CPU to work. Example: When I watch Youtube: In windows, CPU is around 12%. In Kubuntu, CPU is around 50%. ...
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Ubuntu on Windows 10 has 100% CPU usage with “init” processes

After first running the Ubuntu app (downloaded from Windows Store), the init processes can't be ended by closing the app or by the Task Manager. Reinstalling didn't help to solve the problem. Maybe ...

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