Questions tagged [performance]

Questions about improving the performance, speed, and/or overall system responsiveness of Ubuntu. Note that this is a general tag, and should be accompanied by another tag indicating what kind of performance you are referring to.

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Why does disabling Secure Boot give Ubuntu a performance boost?

So just yesterday I installed Ubuntu for the first time. I had many issues at the start including brightness and performance problems, but now, after turning off Secure boot, I have seen a weird ...
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61 views

Ubuntu performance issues, slow and laggy

laptop specs: processor: 9th Generation Intel® Core™ i7-9750H Processor graphics card: RTX 2060 16GB of ram Ubuntu 20.04.3 LTS I am running the proprietary and tested the driver from Nvidia. (the ...
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1answer
204 views

Does virtualization improves gaming or dual boot performance?

In my laptop's BIOS menu there is an option named Intel (R) Virtualization Technology which can be enabled/disabled by the user. Does this feature has any performance effects on dual booting Windows ...
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Ubuntu runs slowly on i3-7130U

I have a computer with Intel Core i3-7130U (Kaby Lake) CPU and Intel HD Graphics 620 integrated GPU. For an unfathomable reason, any Linux distro I run, including the wonderful Ubuntu 21.10 or 20.04, ...
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63 views

Prime profile settings issue: Which one should I choose from the below prime profiles for software development purposes?

There are three options in Prime Profiles: NVIDIA (Performance Mode), NVIDIA On-Demand, Intel (Power-saving mode). The Ubuntu 20.04 battery is draining too fast. If I choose Intel(Power-saving mode),...
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37 views

Are there ways to improve performance of Libre Office?

I am using libre office on Ubuntu 20.04 and get really poor performance when using styling such as borders on even very small spreadsheets (~ 20 rows by 40 columns). The performance of Libre Office ...
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1answer
36 views

BASH: echo: write error: Invalid argument when settings power profiles for power_dpm_force_performance_level

root@valtok-msi:/sys/class/drm/card0/device# echo "manual" > /sys/class/drm/card0/device/power_dpm_force_performance_level bash: echo: write error: Invalid argument And if I try it ...
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44 views

Ubuntu runs very slow (version 20.04)

I bought a new computer and installed Ubuntu 20.04, but I can't understand why it gets so slow. When I run the htop command I cant really understand why my computer runs slow. htop picture: System ...
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1answer
37 views

Startup of desktop environment is geting progresively slower over time

I have ubuntu 18.04 installed for >3 years with Xfce desktop environment. Over the last year the startup of desktop environment (i.e. time from log-in before disk finish crunching) became ...
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54 views

Computer slow on Ubuntu 20.04.3 LTS (was fast for 30 days after installation)

I found a Dell XPS M1730 in my box of computers and wanted to bring it back to life with Linux. 30 days ago, I installed Ubuntu 20.04.3 LTS (Focal Fossa) and was impressed with the speed of Ubuntu. I ...
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23 views

Slowly delete lots of subdirectories without impacting the server's performance

I need to clean a directory which contains millions of subdirectories. I want to delete all subfolders that are older than 365 days. I tried this command: sudo nice -n 19 ionice -c 3 find . -type d -...
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UbuntuMATE 20.04 LTS and BFS Scheduler

Can anybody tell me if UbuntuMATE has already incorporated the BFS Scheduler patch components highly praised by Linus in the article here ? I realize that reference is from 2010, but I am trying to ...
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54 views

Looking for the perf monitoring tools, on Ubuntu 20.04.3, but on kernel 5.13.0-1017-oem

So I'm looking for a way to use the perf monitoring tool but I'm on a non-standard configuration. Currently I'm using an OEM 5.13 kernel from Ubuntu on Fossa 20.04.3. Normally one would install linux-...
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30 views

CPU Usage is over 100% for any application I open

Whenever I open any application (browsers, VLC, MS Teams etc) the CPU usage goes over 100% for that specific process and the whole pc lags to a point where it's not usable. I'm on Ubuntu 20.04 and ...
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36 views

GNOME Performance Boost Script

I started writing a script to toggle some options to boost performance in Gnome 3 or 4 for gaming and more. The first option that came into my mind was to toggle the animations. But I couldn't find ...
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30 views

i7-8700 & 20.04 - PassMark is way below "average" - 10300 vs 13300 median

I recently moved some edge/IoT machines from an i5-10500T platform to an i7-8700 platform. Immediately after deploying some of the first machines I could just "feel" that they were slower, ...
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55 views

What is happening with the power mode in ubuntu 21.04? Very laggy balanced mode

EDIT: The actual question: Have you or anyone else had issues with performance degredation using this power mode on a fresh install of ubuntu 21.04. I am trying to get to the bottom of why this ...
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1answer
102 views

Performance Issues? (First time install Ubuntu 20.04.3)

Laptop Specs Model: Lenovo ThinkPad X1 Extreme Gen 2 CPU: Intel® Core™ i7-9750H CPU @ 2.60GHz × 12 GPU: NVIDIA® GeForce® GTX 1650 Max-Q 4GB GDDR5 RAM: 16GB 2666 MHz Storage: 500GB SSD So I decided ...
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1answer
36 views

perf-stat does not work for 1ms time interval

I am using Ubuntu 18.04 and running the perf stat command to get some information on various hardware events for an application. I notice on doing sudo perf stat --interval-print 1, I get an error ...
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53 views

Enabling/disabling Intel Turbo Boost per core

I have a laptop running Kubuntu 20.04 LTS, with a Core i7 cpu (8 physical HT cores, that is 16 logical cores). It gets very hot and/or noisy because of Intel Turbo Boost, that I don't really need most ...
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35 views

Ubuntu works so slow no matter what I try

So I have installed ubuntu 20LTS for a computer that was assigned to me but it is a painful to use it because it boots in 10 minutes. But that is not it, it is really slow, opening a tab from firefox ...
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1answer
68 views

My screen freezes when I'm multitasking and videos loop

My screen gets frozen when I'm doing multiple tasks. No keyboard key works and I have to do a manual shutdown of the laptop when this happens. So far it's been four times in three days. Also if I play ...
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1answer
187 views

Screen flickering black after upgrade from 19.04 to 21.04 (ubuntu emulated on virtualbox)

I have a macbook with 10.15.7 and virtualbox 6.1 I just updated ubuntu from 19.04 to 21.04 Now when I login into ubuntu every few (randomly) seconds I get a black screen for a while. It seems a black ...
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80 views

Why is mv so slow - local disk to local disk?

I'm moving a single large file from /mnt/z to /mnt/y on a bare metal Ubuntu 20.04.3 install. Both disks are capable of sustaining 2 GB/s in writes, and do in other operations, but mv caps out at ~200 ...
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93 views

Ubuntu 20.04 slow after unattended-upgrade and reboot

I am seeing significantly worse performance after rebooting. This is noticeable across the entire machine (using apps, browser, terminal, etc.), but I am going to use this particular compilation since ...
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28 views

How do we diagnose delays After large number of files are deleted?

A runaway program generated a large number (at least a million?) of files into /var/log. Even after deleting all (?) rogue files, any query on the folder/tree now takes about 5 minutes, and can cause ...
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21 views

How to estimate the L2 shared memory usage on Ubuntu

I'm trying to improve the performance of one of our systems and I'm supposing that the bottleneck resides on the L2 shared memory of my CPU. Thus, I'm looking for a way to estimate how much of my CPU ...
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82 views

Ubuntu 20.04.3 LTS Desktop gets stuck momentarily at times

I have installed Ubuntu 20.04.3 LTS Desktop alongside Windows 10. Ubuntu gets stuck momentarily at random. Are there any solutions to this problem? I am not able to find any similar issues with anyone ...
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60 views

How to change default laptop power mode 21.04

Ubuntu 21.04 comes with new native power modes which can be changed in settings. These settings are powered by the GNOME power-profiles-daemon. However, I've noticed that power mode on my Dell XPS 13 (...
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1answer
64 views

What is making system run faster & smooth? [closed]

Below is the picture of system stats (on desktop) which i am using & below is (on laptop) Intel® Celeron® Processor N3050 8gb ram 250gb SSD Integrated Graphics ubuntu 20.4 OS Comparing ...
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1answer
50 views

gnome-shell excessive CPU usage / slowness on tracePersistentRoots

In the last few days, gnome-shell has started performing very poorly. The UI becomes very slow, and eventually almost unusable with a lag between clicks and response taking a few seconds. The ...
2
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1answer
113 views

kworker eating 85% CPU 1 most of the time!

I'm running Ubuntu 18.04, kernel 5.4.81, and kworker/0:1+kac is using 85% CPU 1 most of the time. Here is some useful info: top output: System Monitor CPU load: perf report: Samples: 56K of event '...
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1answer
47 views

Enabling 3D Acceleration in VirtualBox makes Xubuntu display extremely laggy

When I enable 3D acceleration in VirtualBox, the display of the Xubuntu guest becomes extremely lethargic. Dragging a terminal window takes several seconds as it leisurely floats around retracing the ...
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67 views

Ubuntu 20.04 freezing on Lenovo Thinkpad E14

I have Ubuntu 20.04 on a Lenovo Thinkpad E14. I gets freezes suddenly. Sometimes it goes without freezing for a few hours, sometimes only 20 mins or so. Here's some system info: nil@n:~$ ls -al ~/....
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1answer
150 views

How can I check the performance of an AMD Radeon GPU on Ubuntu 20.04?

I want to check whether my AMD Radeon GPU performs close to the manufacturer's indicated performance. How can I do this?
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34 views

Ubuntu 20.04 Ethernet slow down after network breakdown

Found that my Ubuntu 20.04 slows down download speed extremely, after the (wired) network temporary network disconnect. Here are my SpeedTest results before and after the temporary network disconnect: ...
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0answers
54 views

Performance issue with new dual boot Ubuntu installation

I have installed ubuntu next to windows on my laptop, I followed all the steps and I took all preventions reagarding to the installation, but once the installation is completed, it turns out that the ...
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28 views

GUI is laggy after a long suspend

I've got a brand new Tuxedo Pulse 15 with Ubuntu 20.04 LTS installed. After a long overnight suspend, the UI becomes laggy. Dragging windows is super laggy and other desktop animations show the same ...
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44 views

How do I improve the graphics for videos and 3D uses?

How do I improve the graphics for videos and 3D uses? I want to do it with software, and I'm hoping there's a way to increase graphics without compromising performance, or even making it better. ...
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0answers
54 views

CPU utilisation reaches 100% on Ubuntu 20.04.2 LTS on using normal application[VS Code] and browsers[Chrome/FF]

The list of programs I generally run in parallel while facing 100% of CPU consumption are: VS Code Chrome [4-5 tabs] Firefox [2-3 tabs] On chrome, I normally take calls using GMeet which includes ...
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1answer
98 views

Override BIOS limitation on CPU frequency

Similar to previous questions (example 1, example 2), the BIOS is limiting my CPU frequency because of a bad connection with the center pin of the adapter on my Dell Precision M5520 (which leads to ...
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0answers
21 views

Ubuntu 20.04 frequently freezes and sometimes chrome glitches a lot what should I do?

Whenever I use chrome or anything like that it freezes and the hardware stops working.In order to fix this what should I do?
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279 views

Slow NVMe speed on new install

I've just setup an HP z230 Xeon E3 1225 v3 machine with an HP TurboDrive G1, with a Seagate Firecuda NVMe SSD. I was expecting 2-3000MB/s read speeds, but am seeing way less than that. I don't care ...
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2answers
1k views

Firefox 89.0 on Ubuntu - poor performance

I've clean install of Ubuntu 20.04.2 LTS, and Firefox 89.0. Performance of Firefox is very poor, you can see that even when scrolling simple pages, it looks like there are just 10 FPS. I know that FF ...
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0answers
155 views

Ubuntu 20.04 started freezing often days after installation on Lenovo V14 AMD Ryzen 3 3250u

I recently installed Ubuntu 20.04 and Windows 10 (dual boot) on a new machine - Lenovo V14 AMD® Ryzen 3 3250u with Radeon graphics × 4, 64-bit, RAM 8GB (but only 5.6GB RAM is showing in the "info&...
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0answers
396 views

Performance very slow after upgrade from 18.04 to 20.04

In May 2021 i upgraded from 18.04 to 20.04 OS. My computers performance dropped significantly, the brightness dropped a lot, and I cannot move icons on the desktop, and i do not have the option of 9:4 ...
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1answer
447 views

High CPU Usage - Android Emulator (qemu-system-x86)

Distro - Ubuntu 20.04.2 LTS x86_64 System Specs - RAM: 8G CPU: AMD Ryzen 5 3550H with Radeon V GPU: AMD ATI 05:00.0 Picasso GPU: NVIDIA GeForce GTX 1650 Mobile Running only android studio works just ...
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1answer
69 views

Why ubuntu cannot use my second CPU core?

I made the same question a time ago and nobody answered me so maybe now someone can help me. The thing is that since i have ubuntu in this pc i've NEVER seen the second core of the CPU being used, ...
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0answers
69 views

Getting Stuck on Low Clock Frequencies

I have been using the Ubuntu 20.04 LTS for the past three months after dualbooting it with Windows 10, and recently it has started showing some problems. I usually use my laptop(Lenovo Ideapad C340) ...
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1answer
215 views

Fusion 360 : VirtualBox: the best settings for performance?

I have now set up with VirtualBox under Ubuntu 20.04 a Windows machine 10 Pro with Fusion 360. The performance is not quite so good, what optimizations can you recommend here that I can get more ...

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