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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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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Is the workstation powered by Ubuntu running in full capacity?

My workstation configuration is My GPU configuration is -display description: VGA compatible controller product: GM107GL [Quadro K620] vendor: NVIDIA ...
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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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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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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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Ubuntu server 16.04 monitor system interfaces and vital stats via snmp

I would like to know the best way to get interfaces and vital stats presented to me on Manage Engine NMS. Currently SNMPD is installed and the community detail are valid, when run the usual test for ...
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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 ...
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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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CPU goes up to 100% when rotating/reflecting the screen

I run Xubuntu 16.04.6 LTS on an ancient P4 notebook with kernel 4.4.0-173 (but the problem was with old 4.4.0-x as well). It works fine for a typewriter, but when I rotate the screen in the options on ...
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Overconsumption of CPU load on Nvidia-DGX1 when training lightweight PyTorch model

I am running experiments with PyTorch models (CUDA enabled) on two different GPU clusters. One is two GeForce RTX 2080 Ti GPUs, and the other is on the NVIDIA-DGX1 (consists of 8 Tesla V100-SXM2-32GB ...
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Ubuntu 18.04 LTS on a MacBook 5, 1 (late 2008 unibody). Poor performance. Is it to be expected on a 11 or so year old laptop?

Note: I am more interested in the theory behind any answers. I am interested to know if such perceived poor performance is expected. Can it be due to aged hardware, etc? This is a secondary laptop and ...
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1answer
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Own Python app + other apps makes system freeze - where to start searching for issues?

I wrote a long-running (hours/days) app in Python which takes 100% CPU on one core and around 1GB of RAM - as intended. (load at around 1 according to htop) Usually, I don't use the Kubuntu 19.04 HP ...
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High usage of one of the CPU cores [19.10]

My freshly installed Ubuntu works fine most of the time. But after some time one of four cores goes crazy. It happens seemingly at random. I couldn't identify the process which causes it. I searched ...
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unattended-upgrade taking a lot of CPU power

I've recently upgraded my OS from Ubuntu 16 LTS to Ubuntu 18.04 LTS and it's been a few days that the process unattended-upgrade is taking a lot of CPU power, forcing my fan to be quite noisy (cf ...
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multipassd uses 100% of cpu core

I run Ubuntu 18.04.3 LTS on a Dell Latitude 5491 After each restart the cooling fan works hard. The CPU usage is about 100% for one core by multipassd. %CPU %MEM TIME+ COMMAND 99,7 0,3 1:18....
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Ubuntu VPS CPUs sometimes go wild with a process I don't recognize

My VPS sometimes goes wild because of: /tmp/.X17-unix/.rsync/c/lib/64/tsm --library-path /tmp/.X17-unix/.rsync/c/lib/64/ /tmp/.X17-unix/.rsync/c/tsm64 -t 302 -f 1 -s 8 -S 8 -p 0 -d 1 After killing ...
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ARM64 SBC crashes on computationally heavy execution

I have a Ubuntu SBC with a RK3399 processor. A startup script makes the system connect to the wifi and then run a computationally heavy python script on two specific cores: taskset -c 4,5 python ...
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CPU usage drops when opening system monitor

I recently noticed that whenever I open the System Monitor App the usage immediately drops from 8 cores to 1, like shown in the image. The same problem occurs with htop and top. My OS is Ubuntu 18.04 ...
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When I lock my PC, the fans get very noisy as if there was some kind of a rogue process

The moment I lock my PC, the fans get really noisy, which means there has to be some kind of CPU/GPU load behind the scenes. I told myself, I need to know, what process is doing this, so I've crafted ...
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Possible to find average CPU usage over time in top?

Is it possible to use top to get the CPU usage of the process over time? Running top with the d command allows me to change the delay, but does this change the rate at which it just refreshes (taking ...
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285 views

Is it possible to patch without spiking the CPU? [duplicate]

I'm using unattended upgrades to patch about 300 ubuntu (16.04 LTS) machines (network appliances really), some are 1 CPU VMs running on ESXi, azure and AWS and others bare-metal quad core Atom IOT ...
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675 views

Ubuntu High CPU usage because of mysql.pid

Ubuntu High volume cpu usage Cant find why mysql.pid use 95% of my cpu Machine Spec: 6 vCore /16 GB Memory / 320 GB Disk / SFO2 - Ubuntu 18.04 x64 Here is my mysqld.cnf # The MySQL database ...
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how to enable cpu parallelism on ubuntu 18.04

I have a question about multicore cpus I have a multicore cpu on ubuntu 18.04 OS How can I get a good performance on heavy process? I think about cpu parallelism... is this make work every core at ...
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Blender (and others) video editing: slow and/or bumpy playback - 100% CPU load

I use Blender for Video editing on Ubuntu 18.04, and whenever I playback the video I’m working on, the CPU load hits 100% and the playback is slow or bumpy or both. This happens even if there is only ...
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1answer
145 views

Why is xdg-mime using so much CPU?

Every time I start Discord, I see four processes called xdg-mime appear in the System Monitor, each consistently using somewhere between 20-25% of a CPU. What are these processes, and what are they ...
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1answer
289 views

Calculating CPU Usage from 'sar'

I started using Linux OS a while ago so, I am a beginner. I wanted to collect total CPU for a given process into a file with a given interval. For that reason I am using sar utility. cpx@cpx-...
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402 views

Ubuntu 19.04 Xorg cpu usage after sleep

I recently updated to 19.04 from 18.04 with a fresh install, because it was going very slow (not sure what the reason was, possibly something I did wrong). But from day 1 on ubuntu 19.04 I noticed it ...
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High CPU load and temperature after installing Flatpak - Ubuntu 18.04

I did install Flatpak with its official Quick Setup. Also I've read somewhere else how to setup Nvidia driver on Flatpak (sadly I have an Nvidia Optimus video card!). Everything was easy and like a ...
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1answer
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Ubuntu 19 kidle_inject process

i have a friend of mine which have a brand new ASUS laptop. I tried to use Ubuntu 18 which works fine on my ASUS laptop, but on his laptop, the screen was freezing maybe because of not supported ...
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diagnosing firefox high intermittent cpu load

On my laptop (ThinkPad X1C5 / i7-7500U / 16GB RAM), I am running latest firefox (currently 67.0+build2-0ubuntu0.18.04.1) with 6-8 windows and around 70-100 tabs at any given time. I have uBlock Origin ...
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High CPU usage systemd+

I updated my Ubuntu from 16.04 to 18.04. After the update I noticed that the CPU usage was going crazy for no reason. Here is the result of "top" PID USER PR NI VIRT RES SHR S %CPU %...
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1answer
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Ubuntu 19.04 lags and high CPU usage

CPU usage sometimes rises to 100% without anything running in the background. Also the animations lag. My rig: Processor : Intel(R)Core(TN)i3-4150CPU@3.50Ghz Installed RAM: 4.00GB Graphics : ...
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Ubuntu 19.04 high cpu use

I have high cpu use in Ubuntu 19.04, and my screen seems laggy. Watching top I see gnome-shell running about 50% very often.
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enable all cores

With 2 x 10Core Xeon V2 processors (18.04 LTS), I see only one core maxed out (out of 40 cores), with most of them idle at ZERO load in Resource Monitor. I would like to enable ALL cores for this ...
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1answer
803 views

Ubuntu 18.10 CPU1 always around 100% despite no programs are running

I'm new user who transitioned from Windows and I have this nasty problem since I installed Ubuntu 18.10 on my HP ProBook 450 with I3-6100 with 2 core and 4 threads my CPU 1 is around 100% and CPU 2,3,...
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Avahi daemon uses excessive amounts of CPU?

It seems that avahi-daemon process, which is unknown to me, is using excessive amounts of CPU on my system I have tried both htop and system monitor, and only htop show the CPU use. Screenshots are ...
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808 views

RNGD service consuming high CPU usage after pointing /dev/random to behave as urandom

I have executed these commands while installing my application on Ubuntu system. The following commands are specific for /dev/random to behave as urandom sudo rm /dev/random sudo mknod /dev/random c ...
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Sudden high CPU usage followed by Input/Output error

First a little bit of information about my system: OS: Ubuntu 18.04 with encryption while installing DE: i3wm (probably doesn't have to with this, because the same problem appears in Gnome) ...
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1answer
49 views

How to get execution Log of any running applicaion

When I start running application on Ubuntu 16.04, i have face a problem of CPU usage of 100% for each application for long time. I need to get log of that particular application (its execution log) so ...
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CPU usage 100% at runing every application

Whenever the application starts executing(running) the CPU usage touch 100%, and stuck(hanged) the system for some minutes. Even a light text editor CPU usage is 100%. %CPU COMMAND 143 ...
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1answer
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multi-core CPU usage

I am using the Windows Subsystem for Linux (WSL), and I am unexperimented in the capabilites of linux. Recently, I've been wanting to get better insight in the CPU usage of processes, but I am getting ...
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1answer
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unattended-upgrade CPU 100% for 4 hours (every time) [in case of many routing tables]

Distributor ID: Ubuntu Description: Ubuntu 18.04.2 LTS Release: 18.04 Codename: bionic During unattended-upgrade the CPU use 100% of resouce for 4 hours Example: unattended-...
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Ubuntu weird process use 60-70 percent of the CPU

Recently I noticed that my VPS is doing a lot of work, I ran 'top' command and I saw a process with a weird name who using 60-70 percent of the CPU (I attached pictures). When I kill those process ...

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