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.
1,470
questions
2
votes
1
answer
671
views
Serious issues with speed in 22.04.3
I have read many posts and tried a few basic things to resolve this issue, but before I take more ambitious actions, I thought I would seek help.
I am running 22.04.3; I like to stick with LTS ...
- 33
-1
votes
1
answer
83
views
How to tune CPU Usage granularity?
It is about getrusage.
It works well but precision/granularity is not precise enough.
It does not depend on CPU and its performance. Depends on kernel only.
For actual kernel 4+ the precision is 3800 ...
0
votes
0
answers
9
views
comparing performance of two ubuntu system when running one application?
I have two computers, both running Ubuntu 22.04
One computer is a laptop, the other a desktop.
On both computer I installed FlightGear (flight simulator), and i am surprised that the application (...
- 73
0
votes
0
answers
45
views
Google Chrome "Force quit" issue and delay in keyboard typing and moving mouse pointer
So, I did a dual boot of Windows and Ubuntu for a Linux experience on my PC with 8GB RAM, Intel i3 processor, 128 GB SSD, and 1 TB HDD. I gave a 40 GB SSD partition for the root directory and 300+ GB ...
- 1
0
votes
0
answers
22
views
Why my CPU frequencies high but application performance is poor
I have two similar raspberry pi running Ubuntu with little difference in their configuration. I am trying to monitor their performance for running my application. So I am running my app on both ...
- 153
0
votes
0
answers
18
views
Ubuntu very slow on Dual boot
I Have recently dual booted Ubuntu on my old windows laptop. But after installation Ubuntu feels very slow. It takes much time to boot and reach to login screen. Opening basic Applications like file ...
-1
votes
1
answer
43
views
Distant black effect
I have downloaded American Truck Simulator in my Ubuntu 20.04. I am playing with PlayOnLinux and I don't know why my game is running very slow and has this distant black effect. I have downloaded ...
1
vote
0
answers
26
views
Relatively new to Linux [duplicate]
While I've tinkered with Linux in the past, I have become fed up with Apple, and I dislike Windows very much. So, now I'm getting serious about changing over. I've already posted my 1st question, but ...
user1712649
1
vote
0
answers
32
views
Video performance on ACER Aspire One on Ubuntu 20.04 LTS (Lubuntu)
I'm using an ACER Aspire One with ATOM processor and 2GB RAM running Lubuntu 20.04 Focal.
I believe I should be able to play a simple video file in VLC but it is basically playing back with sound and ...
- 11
0
votes
1
answer
189
views
How to Increase RAM cache/buffer on ubuntu 22.04 desktop
i have 32GB Ram I noticed my Cache is usually around 5gb or less. The most of my ram is wasting. in my understanding RAM's Cache is to speed up system and performance.
so I was wondering are there ...
2
votes
2
answers
3k
views
Exploiting the potential of RAM in a computer with a large amount of it
I have a machine with 64 GB of RAM and I would like to be able to take full advantage of it in Ubuntu.
Is there any application or way to achieve this? I mean something that leaves loaded in RAM ...
- 373
3
votes
0
answers
131
views
Suspicious file under /usr/bin in Ubuntu 20.04
I have seen one of the process consuming 40% of the CPU. Up on check there is a file /usr/bin/ujwjzppyff running with "grep -A" command.
file /usr/bin/ujwjzppyff
/usr/bin/ujwjzppyff: ELF 32-...
- 31
0
votes
0
answers
221
views
Disabling CPU frequency scaling Ubuntu 20.04
I'm using Ubuntu 20.04, and following this tutorial to disable CPU frequency scaling.
I have done:
sudo systemctl disable ondemand
sudo systemctl enable cpufrequtils
sudo sh -c 'echo "GOVERNOR=...
- 279
0
votes
1
answer
67
views
My laptop has become slower, the fans are louder
i've got a laptop running on Ubuntu 22.04, an RTX 2060 mobile, an intel core i7-9750h cpu, 16gb of ram, a 512gb ssd, which means I shouldn't have much trouble using firefox or other software, but I ...
- 1
1
vote
0
answers
149
views
Ubuntu 22.04 - Delay in keystrokes on Bluetooth keyboard
The problem:
I've been using Ubuntu 22.04 for a few months now, and I use the Logitech K380 keyboard which has always worked perfectly. However, a few days ago I started having problems with delayed ...
0
votes
0
answers
87
views
Have can I "disable" these local timer interrupts after isolating cores?
I am trying to isolate CPU cores from the scheduler and any other unwanted activity. I have already set a few parameters on the kernel command line and updated grub:
cat /proc/cmdline
BOOT_IMAGE=/...
- 667
0
votes
0
answers
160
views
KWORKER is hogging the processor
My plex server on Ubuntu server 22.04.2 was buffering too much so I checked my processes with the top command and it showed this.
I don't know what it is. Can I stop it? It's using 20% of my CPU.
...
- 11
1
vote
1
answer
287
views
What's the best way to forward a local port to a port on a remote machine that minimizes latency?
For this question, assume all computers involved are running the most-recent Ubuntu LTS release (or similar, such as Ubuntu Server).
I have a computer on my LAN. Let's call it "Local Server",...
- 3,093
0
votes
0
answers
183
views
Ubuntu very slow despite high specs PC
I have received a PC 2 days ago and I did a fresh installation of Ubuntu 22.04.2 LTS, however, the system feels pretty slow given the PC specs. Settings take around a second to load, Firefox more, etc....
- 101
2
votes
0
answers
1k
views
How to fix system Lag and Stuttering on Ubuntu 22.04 & NVIDIA
I have been trying to diagnose the cause of lagging, stuttering videos and poor video call performance for quite some time now.
In the past, everything worked smoothly. I can't recall when it started ...
- 191
3
votes
1
answer
342
views
Snaps are still slow
Don't get me wrong. I have nothing against snaps, contrary to the typical discussions on reddit. But I am actually surprised to see that snaps are still slow.
In some snaps, you can´t noticed the ...
0
votes
0
answers
892
views
Ubuntu 22.04.1 throttling cpu from 4000mhz to 400mhz-1000mhz even under high load
My main laptop runs Ubuntu 22.04.1 on an Intel Core -7-11370H CPU @ 3.300GHz. I usually use it to code and play games, but whenever I run the laptop, it just randomly fluctuates from 4.0 GHz to 800 ...
0
votes
1
answer
1k
views
very slow and inconsistent NFS file system response on ubuntu 22.04.2
Running Ubuntu 22.04.2 with latest patches. This host is an NFS client running kernel
Linux adam408 5.19.0-35-generic #36~22.04.1-Ubuntu
Connectivity is over 25gig Ethernet to Cisco Nexus fabric.
NFS ...
- 1
0
votes
0
answers
257
views
Ubuntu responses too slow in asus flow z13 (22.10 and 22.04 LTS)
I tried both version 22.10 and 22.04 LTS on Asus Flow z13 (having i9-12900h, 16 gb ram, gpu rtx 3050 Ti, and 1Tb ssd) even from installation, it responses too slow. As i plug usb for installation, ...
- 1
4
votes
1
answer
1k
views
Surprising slowdown with Apache/NFS on Ubuntu 22.04.2
This question has been radically edited due to further investigation into the problem
TL:DR; We have been running Apache on Ubuntu serving NFS pages for over 20 years now and a new emergent issue has ...
- 91
0
votes
1
answer
973
views
Why is Kubuntu 22.04 much slower than Debian 11 with KDE? [closed]
I recently switched from Windows 7 Ultimate to Kubuntu 22.04 LTS on my 10-year-old HP laptop. I love it for a lot of reasons, except for the performance. Compared to Windows 7 running on the same ...
- 9
0
votes
1
answer
371
views
WSL2 Ubuntu 22.04.2 LTS Performance Mode
Is there a way to set WSL2 Ubuntu 22 to performance mode? I know the original version of the OS you can just set it to performance mode but I'm not sure how to do it through WSL2.
When I run
grep &...
0
votes
0
answers
45
views
How can I improve the performance and stability of my Ubuntu installation which runs slow and crashes at times?
I recently switched from Windows and installed Ubuntu 22.04 on my computer, but I have been experiencing slow performance and occasional crashes. Are there any solutions to improve the speed and ...
- 1
0
votes
0
answers
71
views
performance is extremely slow on a 2 core 64bit laptop with 4GB ram? how can I troubleshoot?
I installed latest release of Lubuntu (with the LXQt DE) on my HP dm1z notebook. it has an AMD E-350 64bit fusion processor with 4GB Ram and 2 cores at 1.6GHZ
it is completely bogged down. takes like ...
0
votes
0
answers
468
views
Incomplete turbo boost on all cores in Ubuntu 22.04 and 22.10
I have an HP laptop with Core i5-8300h and it almost doesn't use all-core turbo after couple minutes after boot. When I run a single threaded task, it maintains frequencies of 3.5-4 GHz, but as I run ...
- 1
0
votes
0
answers
22
views
Ubuntu studio 22.04 on low specs [duplicate]
Will Ubuntu Studio 22.04 fonction correctly on a 1ghz dual core cpu with 8 gig of ram?
- 1
0
votes
0
answers
121
views
Performance mode not avialable in Ubuntu 22.04.1
I am using Lenovo Legion 5 Pro, and have installed Ubuntu 22.04.1. In this device, I am not getting the performance mode option. Do I need to do something to enable this? or is it simply not available?...
3
votes
1
answer
735
views
Ubuntu 20.04 - how can I stop waiting for NetworkManager.service during startup?
I prefer network to setup itself when I start computer, but I prefer to boot earlier and have network connect while I type my password and so on.
Sadly, according to systemd-analyze critical-chain I ...
- 1,001
2
votes
1
answer
450
views
Performance governator sets the speed limits to low?
Running cpufreq-info I get the following outputs on one of my cpu's
analyzing CPU 15:
driver: intel_pstate
CPUs which run at the same hardware frequency: 15
CPUs which need to have their ...
- 677
2
votes
0
answers
1k
views
Why is power settings not working in Ubuntu 22.04? Why don't I have performance mode?
Recently I switched from Windows to Ubuntu. When I was in Windows performance settings used to work fine. I was able to switch between balanced, power saver and high performance modes, but I noticed ...
- 21
2
votes
1
answer
496
views
Intel 12 gen and Ubuntu 22.10 - abysmal battery life, any solution?
I have Lenovo T14 Gen 3 with Intel i7 1260p (no dedicated GPU, only intel one's) and running Ubuntu 22.10
The performance is great (laptop is faster than 2-3 years old desktop with the most powerful ...
- 332
0
votes
1
answer
2k
views
Unable to limit CPU speed on Ubuntu 22.04 with cpufrequtils
Based on this: How can I easily control CPU speed on Ubuntu? I try to manually force some of my CPU cores on Ubuntu 22.04.1 5.15.0-56-generic x86_64 GNU/Linux to be limited to 800 MHz using cpufreq (...
- 1,200
1
vote
1
answer
737
views
Laptop slow, missing Performance Power Mode & unable to change cpu governor
I recently noticed one of my Ubuntu Laptops had started to run very slow. After doing some searching here for tools to check CPU status and comparing with another PC with the same version I can see ...
- 2,171
0
votes
1
answer
65
views
after changes in CPUQuota my system became very slow
I changed the CPUQuota=50% so that my system could use mimimum CPU resources but due to these changes my system became very very slow could anyone please help me to revert these changes and bring my ...
0
votes
1
answer
152
views
DELL xps 9560 bad performances
I'm using ubuntu 22.04 and I have a strange issue, the I7-7700HQ frequency is inversely proportional to cpu load, for example, when I run :
stress-ng -c 8
or
7z b
the frequency drops to 800MHz on ...
- 147
0
votes
0
answers
121
views
Low CPU usage running multi threading software
I ran into a weird problem. While running some software (SPAdes, bwa-mem2; latest versions) with 16 threads I noticed that they slowed down, and CPU usage is around 0-2% during that. Since it would be ...
1
vote
1
answer
2k
views
Ubuntu 22.04 fan speed / CPU performance too low
My laptop (Dell Precision 7560, i7-11850H, Ubuntu 22.04, kernel 5.17) really felt sluggish, so I ran Passmark and to my shock the results were abysmal.
Compared to the average, single threaded was ...
- 251
2
votes
2
answers
675
views
Why is my computer so slow?
I had 16.04 installed until the summer, but it started getting slow to the point that I had to restart it several times a day.
I installed 22.04, but things have not improved.
Is my system too feeble ...
- 1,081
0
votes
0
answers
21
views
Waiting or Force Closing
Often times I will be running a program and Ubuntu will popup a dialogue box and say something like "Program is not responding. Wait or Force Close" or something similar.
The problem is, ...
0
votes
0
answers
83
views
Abnormal CPU usage in power save vs performance mode
CPU usage increases when I change to power save mode, and decreases when I change to performance mode.
What can cause this?
Here is a video to demonstrate:
https://www.reddit.com/user/Faditt/comments/...
1
vote
1
answer
574
views
Ubuntu 20.04 boot and performance post login is very slow
My Ubuntu is very slow to boot and freezes constantly, even saving a file and exiting the editor takes a very long time. The system just freezes after an hour of usage and its very slow to use any ...
- 131
0
votes
0
answers
181
views
GUI suddenly slow - GPU utilization 100% - what to do?
Sometimes my Ubuntu 22.04 gets noticeably slower. I can see the cursor is moving slower, hovering over icons takes a second or two etc...
I checked all the possible causes that I can think of:
CPU ...
- 613
0
votes
0
answers
132
views
My ubuntu 20.04 LTS started running slow recently without any clear reasons
I'm a student in computer science so I really need my computer to work as fast as possible. Since yesterday, it started to run very slow. Especially when I try to start a new application like a gnome-...
- 1
0
votes
0
answers
90
views
Ubuntu 22.04 upgrade laggy when wifi is on
I recently upgraded Ubuntu from 20.04 to 22.04. After the upgrade, the system is laggy—it randomly freezes for a split of a second. Sometimes, during a freeze, a key that I pressed only once repeats ...
- 121
1
vote
1
answer
131
views
Kubuntu 20 system performance problems
working in Kubuntu 20 I periodically have big problems with performance : my system practically
stops and I have to waite for some period to resume my work:
More details about my Laptop and OS :
...
- 137