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 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 ...
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14 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, ...
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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
110 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 ...
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11 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 ...
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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-...
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46 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 ...
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1 vote
1 answer
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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 : ...
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40 views

Typeahead search slowed down in 22.10

Since a few versions, the gnome file manager ("Files") in Ubuntu has typeahead search across subdirectories: if I start typing some text, it automatically searches for matching files and ...
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1 answer
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No Power Options on Upgrade to 22.04

I just upgraded to 22.04 LTS, and I noticed that there are no power performance options like people have been saying in the top menu that has WiFi, Bluetooth, Logout, etc. For me, this is all I have: ...
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29 views

How to enable and disable GUI as need for each boot it to save RAM resources?

For an old PC Desktop with 4GB of RAM based on 64bits. For experimental purposes - I want install Ubuntu Desktop - mostly for two purposes: Server purpose. Use the DVD reader/writer to do backup ...
1 vote
1 answer
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i3-6100 CPU stays at low frequency during load

About a month or two ago, my Ubuntu 22.04 system's performance took a sudden hit out of nowhere. I didn't changed any HW, I didn't messed with any configurations. After investigating a bit, I've found ...
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1 vote
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Significant process slow down when the CPU is under increased work load

I am testing the communication latency between a microcontroller(teensy4.1) and my desktop computer (ubuntu 20.04.3 with 5.15 kernel patched with PREEMPT-RT) The microcontroller is directly connected ...
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Ubuntu 22.10 super slow and laggy

I was running ubuntu 22.04 in my laptop (which was really fast) and upgraded to 22.10 today morning. Since the upgrade, the CPU is running very high and the system lags like crazy. My system has AMD ...
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50 views

What exactly does Ubuntu Power Mode option "Power Saver" do?

I am experiencing issues with Foliate when Ubuntu's Power Mode is set to "Power Saver" and I want to understand what exactly does this option "Power Saver" do to the system. ...
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How do i check if my AMD APU A6 7310 with AMD r4 Radeon graphic card is installed or not?

I am new to Linux/Ubuntu... I am facing performance issues. I don't have any idea whether my graphic card is installed or not. The major problem is how do I check manufacturer driver is installed on ...
2 votes
0 answers
259 views

Ubuntu Intel Alder Lake poor performance

I have just built a new rig with 128GB memory with Intel Alder Lake i7-12700K and Ubuntu 22.04 for scientific workloads. I have tried 5.15, 5.19, and 6.0 kernels and all give me miserable performance -...
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How to determine if the disk performance is enough

I'm trying to make a storage performance test technique for recording from video sources. Let's say, I know, that my HDD on Ubuntu can handle about 130 parallel sequential writes of video ~3000kB/sec ...
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1 vote
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Is g++11 slower than g++9?

Recently I have upgraded my Ubuntu 20.04 to 22.04 and ran into some problems. I have noticed g++11 in my computer compiles codes so slowly, even for simple codes, while g++9 in Ubuntu 20.04 had a much ...
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35 views

SSD sata Health, S.M.A.R.T

I just bought 2 SSDs, and after giving them NTFS format, the information that GsmartControl gives me seems to me that it is not normal, or is it? The checked boxes seem to me to give very large ...
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189 views

How to config gnome-shell to run on GPU instead CPU?

This week I formatted my laptop and installed the new Ubuntu 22.04 (I was using 20.04), and after switching the OS, I found it slower than it was in 20.04 and I also, I found a lot of problems in this ...
1 vote
1 answer
46 views

cpufreq-info frequency range max speed never goes back to original maximum after plugging back the power coord

On boot cpufreq-info gives me these values (for brevity I'll print just the first core, but the rest look the same): analyzing CPU 0: driver: intel_pstate CPUs which run at the same hardware ...
1 vote
1 answer
63 views

Nvidia Quadro (K1100) Performance issues

I'm using Ubuntu 22.04 LTS on my laptop with the following system specs: - Intel Core i7-4810MQ - Intel HD 4600 (integrated GPU) - Nvidia Quadro K1100 (2GB RVAM) - 24 GB RAM - ubuntu-drivers --...
0 votes
1 answer
145 views

Battery Drain with Kubuntu 22.04.1

I recently fresh installed Kubuntu 22.04.1 coming from 20.04. The upgrade is great but I have an Issue with battery and performance. On 20.4 there were no power profiles. The laptop always ran quietly,...
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Diagnose Ubuntu 20.04 delay, hang, freezing, unresponsiveness

I have a system where individual processes will run for a bit, then grind down, pick up again, slow down again... Sometimes multiple processes freeze. Sometimes the entire system is unresponsive. I ...
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1 vote
1 answer
325 views

Server CPU stuck at 800 MHz even under high load with Ubuntu 20.04.4 and intel_pstate

My webserver runs Ubuntu Server 20.04.4 (kernel 5.4.0-124) on a Intel Core i7-7700 CPU @ 3.60GHz. It's a dedicated, physical Supermicro server hosted in a remote datacenter. # lshw .... *-core ...
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273 views

Ubuntu 22.04.01 bad performence

HW : 8GB DDR4 3,2GHz, AMD Ryzen 5 3500U with Radeon Vega Mobile Gfx, 500GB SSD Gnome 42.2, X11 If I start a simple program like XSkat, Ubuntu leads to a Mono Taskingsystem, it hangs up for ...
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2 votes
2 answers
3k views

Unable to set refresh rate above 60Hz on a 144Hz display on Ubuntu 22.04

I am unable to set the refresh rate above 60Hz, but my display's native refresh rate is 144Hz. The mouse and windows have a delay and a ghost effect when I move them around. It's hard to use the ...
0 votes
1 answer
37 views

Help me interpret this output from `top`

This is from a Raspberry Pi B+. I am not sure whether it is overloaded and pegged to the max or whether it's doing ok. Too much information.
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1 vote
2 answers
221 views

Ubuntu 22 interface (Gnome) becomes choppy after a while

My new install of Ubuntu 22.04 on Asus Zenbook i7-1165G7 system becomes choppy after some time. Usually after I left it on lock screen or it came back from suspend. It's not slow, it seems to suffer ...
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0 answers
175 views

Ubuntu 20.04.4 LTS slow on Lenovo Legion Y520

I have changed the OS on my Lenovo Legion Y520 to Ubuntu a few months ago. Before that I was running an unlicensed Windows 10 Version. I found out after a longer time of using it so I switched to a ...
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3 votes
2 answers
2k views

How to force-enable Performance mode in Ubuntu 22.04?

I followed the following Ask Ubuntu solution to display the options for enabling Performance mode in Ubuntu 22.04. However, in the Settings, Ubuntu tells me "Performance mode temporarily disabled ...
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0 answers
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Kernel Call Blocks for a Long Time

I have a concern about a particular Linux API (AIO). A kernel function (io_destroy) blocks for a long time on 5.15.0-40-generic. I’ve observed the same on an older kernel. It is so slow that I am ...
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73 views

Does result of Ubuntu benchmark(“Benchmark Disk...”) test also includes file system latency?

I am benchmarking a storage device using Ubuntu "Benchmark Disk" utility. I want to know whether results of the benchmarking also include latency due to file system?
2 votes
0 answers
502 views

zram: swappiness, vfs_cache_pressure, page-cluster, dirty_ratio and dirty_background_ratio settings for gaming machines with HDD and low RAM?

I'm trying to game on Linux, but my biggest bottlenecks are my HDD and my 8GB of RAM. I used zram to allow more data to be stored in my RAM by compression (using lz4 algo with 100 priority and "...
1 vote
0 answers
60 views

Settings wont launch when performance mode is enabled

I'm trying to run my pc in performance mode. however, the option for performance mode is not there in system settings. So when I use powerprofilesctl set performance, performance mode is turned on. ...
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0 votes
0 answers
26 views

Home folders in Ubuntu 20.04.4 slower

After I put the password to enter in Ubuntu I got a message that said that there was a problem, but I ignored it. Later I noticed that navigating my folders was slower than usual. Normally as I click ...
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1 vote
1 answer
59 views

Response-lag in new laptop on Ubuntu 20.04

I recently purchased a new laptop (CPU: Ryzen 9 5800HX, GPU: NVIDIA GTX 3050, 16 GB RAM). On Ubuntu 20.04, I am experiencing response lag from time to time in almost all everyday uses. For example, if ...
2 votes
0 answers
97 views

Ubuntu 20.04, Memory cache exhausts immediately upon booting

I'm not a supernerd, but I know some stuff, and I'm pretty sure my system is not supposed to work like this. I recently reinstalled Ubuntu 20.04 from the bones up on my home-built desktop because I ...
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1 vote
0 answers
216 views

Low performance with ethernet bridge

I have an Ubuntu 20.04 server with 2 NICs, both of which are part of (separate) bridges and one of them also handles VLANs. It connects to a managed switch and finally into a trunk port on my firewall ...
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1 vote
0 answers
185 views

Ubuntu is INCREDIBLY slow

I recently decided to overhaul my 13 year old iMac and replace the OS with Ubuntu to breath in some new life. Everything is up to date, but it's laggy as hell. And when I say laggy, I mean 60+ seconds ...
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10 views

Applications take 3-5min to open after resuming from suspend

Ubuntu 22.04 (upgraded from previous version) is installed on an SSD drive. When booted fresh, all applications open as quickly as they should. However if the is suspended and then resumed, ...
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0 answers
337 views

Very high load even nothing is done

I have the below Ubuntu server hosted by a commercial hoster. The hoster says he has no clue. Attached a screenshot from top where can be seen which processes are slowing down the server. It's more or ...
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1 answer
39 views

Laptop doesn't utilize the full of it's ram after installing xubuntu

I just replaced Windows on my laptop with Xubuntu and, after that, when I start working, there are some performance issues. It seems that the RAM is not fully utilized. It has 8GB installed but only ...
0 votes
1 answer
377 views

Why the same tasks cost differerent CPU on linux kernel 4.9 and 5.4?

My application is a compute intensive task(I.e. video encoding). When it is running on linux kernel 4.9(Ubuntu 16.04), the cpu usage is 3300%. But when it is running on linux kernel 5.4(Ubuntu 20.04), ...
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0 votes
1 answer
364 views

22.04: WiFi an order of magnitude slower than in Windows

I'm running Ubuntu 22.04 and Windows 7 on a laptop and the wireless performance is about 7-10x better on Windows, measuring using an internet speed test. There's no problem with the internet ...
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Should I install Ubuntu 22.04 on [4GB Ram / intel core i3 / Intel HD Graphics 3000]? [duplicate]

is it worth to bother? Is it going to run decently or it will be lagging ? I used to have a lot of trouble with lag with Ubuntu 18.04 & 21.04. What do you say ? Any recommendation is welcome :) ...
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2 answers
376 views

Ubuntu 20.04 : boot and startup slower

I have a laptop HP EliteBook 820 G3 RAM 8Go µP i5-6300 2,4GHz x 4 Gaphique Mesa Intel® HD Graphics 520 (SKL GT2) SSD 512Go and only Ubuntu 20.04 4 LTS 64 bits from scratch. Boot and startup reach ...
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1 vote
0 answers
515 views

Dual stack IPv4/IPv6 on 18.04 LTS and 20.04 LTS kills website user experience, unclear how or why

I've been running IPv6 enabled (dual stack) hosts for years. Ubuntu back to at least 16.04, maybe 14.04 and to present day. I figured this was settled technology and there were no gotchas in our ...
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Is there any ways I could improve ubuntu preformance? [duplicate]

I recently installed Ubuntu on my Macbook Air 2014 and want to play some games on it; are there any tips or tactics I could use to maximize Ubuntu performance? edit: I'm currently using the Ubuntu 20....

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