Lenovo Z16 and Ubuntu 22.04, the DisplayLinkManager uses constantly 50-75% CPU and has reserved 230 MB of mem. Freezing the system completely several times a day - CPU usage gets really high. Not a single problem when not using the (displaylink) docking station. Unusable.

DisplayLinkManager: v6.3.33.0
displaylink-driver: 5.8.0-33

```
top - 16:00:06 up 13 days, 2:56, 1 user, load average: 1,76, 2,83, 2,83
Tasks: 549 total, 1 running, 548 sleeping, 0 stopped, 0 zombie
%Cpu(s): 4,2 us, 4,0 sy, 0,0 ni, 91,4 id, 0,1 wa, 0,0 hi, 0,2 si, 0,0 st
MiB Mem : 63983,1 total, 23552,9 free, 8844,0 used, 31586,1 buff/cache
MiB Swap: 2048,0 total, 2048,0 free, 0,0 used. 50714,1 avail Mem

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1237944 root 20 0 3965952 209700 12008 S 258,8 0,3 86:09.16 DisplayLinkMana
1305808 systemd+ 20 0 84520 8516 7624 S 14,0 0,0 0:01.81 http
```
```
➜ ~ dpkg --status displaylink-driver
Package: displaylink-driver
Status: install ok installed
Priority: optional
Section: video
Maintainer: Synaptics Technical Support <technical-enquiries@synaptics.com>
Architecture: amd64
Source: displaylink-driver
Version: 5.7.0-129
```

Genuinely ridiculous, luckily my employer provided me with a very beefy machine (62gb RAM, 20 cores, NVIDIA RTX A2000 etc.) but I can see why this would destroy machines with fewer resources

I see no point in adding specs as this is an issue for everyone. All I can say is that I feel like an idiot for not having investigated this before purchasing a product relying on DisplayLink.

I found out a very curious thing about DisplayLinkManager process. I'm running the latest drivers, version 5.6.1, Ubuntu 20.

Have your monitor connected and run `sar -u 1` to show the average CPU usage every second (you might have to install it using `apt install sar`). You'll see CPU usage of ~1%.

Keep the `sar -u 1` command running so that you see the changes that I'm going to show.

Now start the `System Monitor` and you can see the CPU usage jumping ~10%, while the system monitor window is open and visible. Going to the processes list, you will see the `DisplayLinkManager` is the process consuming the most CPU.

SO.... I guess we will be fine using the driver if we don't use System Monitor to confirm the CPU usage. Even if you use `htop`, the `DisplayLinkManager` process won't consume more that 1% of the CPU.

Let me know if your results are different from mine.

I have the same issue with Dell XPS17 & Ubuntu 20.04, I see DisplayLinkManager using constantly around 10% of CPU. Also, I see many other DisplayLinkManager threads (about 20 of them) which use close to 0.7% of CPU each.

Até hoje nenhuma solução para o problema? Tenho o mesmo acontecendo aqui. Usando a DockStation da DELL a CPU está em 104% neste momento!!!! absurdo nenhuma posição do time displaylink.

Same here on fresh Ubuntu 20.04.3, DELL 5590 with D6000 Docking station

I have the same isse using a Dell XPS13. That's really bad, because it will harm my system, decreasing its value by over-proportional usage.

I'll never buy any device again that incorporates DisplayLink.

Why don't you respond to that issue, DiplayLink developers? That's very arrogant and ignorant behavior!

Same problem on my Pixelbook go.
DisplayLinkManager process spikes up to >100% CPU when mouse is moving or while typing.
Animating video on the screen (youtube) has no effect, but moving the mouse or typing causes the process to really cook the CPU.

T490s user suffering from this too. It also completely grinds to a halt during most of my video calls due to this high CPU usage. Will return the dock by the end of the week if I don't find a solution

Just got a new laptop (Thinkpad) with dock and now cpu fan goes crazy under Linux mint....
DisplayLinkMana permanently consumes CPU with 50%...

Really annoying

I see this still isn't a priority to DisplayLink.

Anyone know of any good alternatives to DisplayLink?

What suffering!
The system as a whole goes slow.

@DisplayLinkDevelopers, any update on this?

Our teams that solely consists of Ubuntu users is dropping all DisplayLink products entirely and we are seeking new vendors unless we atleast get an input from the driver lead responsible for this mess.

Its not much to ask.

Mint 20 with Cinnamon on Dell Precision 5530, 6 Xeon cores and Nvidea graphics. Using Dell D6000 dock, one HDMI 28inch 4K-capable display attached (though only using 2560x1440).

The driver is using up to 80% CPU at times. The desktop is visibly slower and choppy.

The visible behaviour (though not the CPU consumption) is better with the proprietary Nvidea driver than Nouveau, but still annoyingly suboptimal.

Interestingly the display works without the DisplayLink driver with no CPU issues - using the legacy kernel one? I don't know.

Quite apart from all that, though, the setup is unusable because when the screen 'goes to sleep' an attempted awakening causes the elsewhere-reported X crash loop, Reboots do the same. It requires a very tiresome specific sequence of actions to make it all work again.

The intention was to add a second screen using DisplayPort, but this does not look viable with this setup.

Display Link Device: i-tec USB3.0 Docking station (2 full hd monitors connected)
CPU: Intel(R) Core(TM) i7-8750H CPU @ 2.20GHz
32gb ram
Used Nvidia proprietary binary drivers + display Link drivers + updated XServer from displaylink
Kubuntu 20.04

Here my top: 12 core all full.
https://pasteboard.co/JvjRbcW.png

Open applications: kate, chrome (5 static tabs no video only forums)

The situation seems getting worse. I'm going to leave this setup and this technology too due to complete lack of driver improvement.

Fresh instalation of Ubuntu 20.04 LTS on Dell Vostro 5590 with
Intel(R) Core(TM) i7-10510U CPU @ 1.80GHz
with integrated Intel UHD Graphics and dedicated NVidia GP108M [GeForce MX250]

Used Nvidia proprietary binary drivers + display Link drivers + updated XServer from displaylink

https://www.displaylink.org/forum/showthread.php?t=67148

Still uses lot of CPU - gnome shell is visually slower than when only on internal display.

Yep, regularly over 50% cpu. What a piece of shit.

same issue, maybe hire a developer? 100% CPU
===================================================================================
top - 20:02:55 up 8:21, 1 user, load average: 1.61, 1.89, 1.90
Tasks: 273 total, 1 running, 222 sleeping, 0 stopped, 0 zombie
%Cpu(s): 18.9 us, 8.9 sy, 0.0 ni, 71.9 id, 0.3 wa, 0.0 hi, 0.1 si, 0.0 st
KiB Mem : 15792668 total, 10424560 free, 1975056 used, 3393052 buff/cache
KiB Swap: 2097148 total, 2097148 free, 0 used. 12789448 avail Mem

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5858 root 20 0 2653564 110236 10856 S 100.3 0.7 6:57.19 DisplayLinkMana

same problem here.. also Ubuntu 20.04.
I also have other products similar to displaylink, these work nicely.
When I sort processes by cpu usage, DisplayLinkManager is always on top.
Maybe not that extreme, it is just around 5% of cpu. But anyways, can this be optimized somehow?