Questions tagged [top]
Command-line application for monitoring running processes.
43
questions with no upvoted or accepted answers
5
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2
answers
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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 ...
2
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0
answers
448
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PSI Full IO / PSI some IO meaning in htop
In the above screenshot, i examine a large white bar in the CPU Avg chart. Additional, i see PSI full IO/PSI some IO quite large. I assume the white bar is IO wait of some sort.
What exactly does PSI ...
2
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0
answers
550
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Context menu missing when right-clicking on top panel in Ubuntu 20.04
I did a clean install of 20.04 a couple of days ago and have been customizing my machine since then. When I right-click on the top panel, the context menu doesn't appear. I am used to using earlier ...
2
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0
answers
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Multiple copies of same process running in background, why?
When I run htop, I see multiple processes that seem to be exactly the same:
What is happening? What are these processes?
2
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1
answer
4k
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Sublime Text: see how many resources each plugin is using
How can I see how many resources each Sublime Text plugin is using?
2
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0
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1k
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iotop shows 99.8% IO load on "--render" and "--extension" and "dropbox \fataldb" processes
folks.
System works more or less fine, but stucks from time to time. I've tried to detect using iotop it and it seems that disk io is the bottleneck.
chrome and jbd2 keep writing to disk all the ...
1
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0
answers
52
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strange process take a lot of CPU ! virus?
I have Ubuntu 22.04 server, running Apache, MariaBD, PHP, and a web app, facing to the Internet.
Recently, the server always run 99% CPU, top command give the output as attached picture below.
The dev ...
1
vote
0
answers
2k
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How is possible to clear kswapd0 with high CPU consumption?
I use Ubuntu 20.04 on my computer. When I use top -i command, I see one of the users consume a high amount of CPU for kswapd0. To terminate this, first of all I used ps -ax| grep kswapd0 and killed it....
1
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0
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134
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"free -g" and top reporting wildly different memory usage on MySQL server
I am aware of buffers, cache, swap, etc. but can anyone explain this one to me?
First, Here's a TOP output sorted by memory usage. Note that MySQL is using 39.4% of the RAM in the system. Every other ...
1
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0
answers
512
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Ubuntu Studio running slow after some months
I am a Ubuntu Studio user and general Linux novice. I installed the latest Ubuntu Studio on my Dell Vostro 400 Q6600 quad-core, and it ran perfectly for many months. Now it's unusable. When I boot up,...
1
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0
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985
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How to increase the number of characters in top's COMMAND column?
OS: Ubuntu 18.04.1
When I run top from gnome-terminal as a maximized window, I see that entries in the "COMMAND" column don't exceed fifteen characters. (I'm not asking about the command-line mode ...
1
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0
answers
396
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Task/Resource Manager Memory Usage Accuracy Ubuntu 18
I'm running Ubuntu 18.04LTS (8GB RAM) and I noticed how the Gnome task manager, the "top" and "htop" applications give me 3 considerably different memory usage figures. For instance, right now:
...
1
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0
answers
131
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Title bar problem with Ambiance theme in Ubuntu 16.04
I was messing around, installing themes which went well.
However, I might have tweaked something that I can't roll back which is the top menu panel font as shown in this picture:
I am keeping a ...
1
vote
0
answers
283
views
Ensure hardware acceleration feature working
Firefox in my ubuntu distribution typically takes up high resources of CPU. Since hardware acceleration is an often suggested way to ensure performance, i have enabled it under the browser preference, ...
1
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0
answers
171
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top CPU does not sum for all CPUs
From my box:
root@arrakis:/tmp# top
top - 09:53:14 up 28 days, 15:10, 15 users, load average: 0,59, 0,64, 0,67
Tasks: 391 total, 2 running, 386 sleeping, 1 stopped, 2 zombie
%Cpu0 : 4,5 us, ...
1
vote
1
answer
2k
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Heavy CPU Load IRQ Related
Hey guys I'm curious as to what anyone here thinks. I have an HP Envy Laptop running Ubuntu 15.10 and it has a 4th generation quad core i7. For some reason since I first installed it my fan spins up, ...
1
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1
answer
1k
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How to get CPU Utilization for a certain process
I am running Ubuntu 14.04 on my machine. I need to get the CPU utilization for a process running at a required monitoring interval.
I have tried the following have a few questions about them.
I ...
1
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1
answer
221
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What is hammering the CPU when top is not running?
On Kubuntu 12.10 I can see with the KDE System Monitor Plasmoid that the CPU usage is fluctuating between 60% - 90% on both cores. As soon as I open top it goes down to 3% - 10%. I thought that the ...
0
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0
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94
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How to identify where IOPS on zpool is coming from?
I am running a zpool which seems to always carry a load of ~300M writes. I am having trouble identifying why the load is so high.
In the screenshot, i run zpool iostat 30 and observed the load ~300M ...
0
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0
answers
49
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Why sum of this process CPU(%) is not equal to total cpu(%) utilisation in top output
In the attached image of top command output, you can see the idle is 53.3% means CPU utilization is 52.7% but, sum of CPU% of all the process listed (Image cropped for CPU% > 0.0) is more than the ...
0
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1
answer
108
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How can I remove (uninstall) top (table of processes)
Is there a way to remove (uninstall) top (table of processes)?
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0
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23
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Snap applications do not startup randomly
There are some applications like firefox and chromium, spotify that are now recommended to be installed from snap. When I do that on ubuntu 20.04 and ubuntu 22.10, they randomly stop launching.
Win-...
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1
answer
267
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How to manually give configuration file to top command?
I know that top behaviour can be changed interactively and can be stored as a cfg file as toprc and it will use that cfg automatically. Is there a way to write and feed the configuration file (stored ...
0
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0
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66
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Very high values in top command Ubuntu
I am getting very high VIRT values of applications in the top command even though I just turned on my laptop. Also the laptop's fan is turning on very frequently even with just a browser and VSCode ...
0
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0
answers
27
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getting disallowed error for top command
while entering top command from a script getting the below error:
praveen.kumar@MUM:/home/admin$ top -b -n 1 -d1 |grep "Cpu(s)"| awk -F' ' '{print $2}'|awk -F' ' '{print $1}'
top: -d ...
0
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0
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195
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Ubuntu is very slow, due to these processes or other issues?
TIME+ COMMAND
------------------
73:39.09 gnome-shell
6:39.58 kswapd0
7:20.54 kcompactd0
46:26.92 Xorg ...
0
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0
answers
737
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Very high load even nothing is done
I have the below Ubuntu server hosted by a commercial hoster. The hoster says he has no clue.
Attached a screenshot from top where can be seen which processes are slowing down the server.
It's more or ...
0
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0
answers
89
views
Why is my Ubuntu server running many tmux server processes?
I'm running Ubuntu 21.04 on a Raspberry Pi 4B. I'm viewing top to monitor what's going on and it is showing at the moment 11 'tmux: server' processes. Tmux is running, showing one window containing ...
0
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0
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1k
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Overall CPU utilization% of 'htop' is smaller than a process' cpu usage
Because of my stupidity, I can't provide any screenshot of such phenomenon. My 2-core system's cpu utilization(which is output of htop command) is smaller than the cpu usage of a process.
For example,
...
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0
answers
123
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Output of `top` command not saved to variable
I created the follow bash script, called ./notify-me.sh, in Ubuntu:
#!/bin/bash
emailmessage=$(top -b -o %CPU)
echo $emailmessage
But when I run this script by doing ./notify-me.sh and pressing the ...
0
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0
answers
137
views
How do I launch the network manager pop-up menu window displayed in attachment within Ubuntu 18.04 and LXDE?
I would like to know:
What is the name of the program that manages the network icon on the top bar of Ubuntu 18.04 with LXDE? The network icon I meant gets highlighted with a red circle on the ...
0
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0
answers
217
views
unknown users when running top command
When I run top command there is 1 users listed but then other users are listed in running proecesses they are
message+, kernoops, and syslog,
I am trying to work out if my system is compromised but am ...
0
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1
answer
283
views
top command till a process runs out
I'm running a process and I want to store its CPU usage.
So I used top command
{ test_case.sh > out.log ; } && { sleep 2s ; x=`pidof test_case` ; top -p $x -d 5 -b > cpu.log ; }
But the ...
0
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0
answers
165
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Unknown user 2003 running haiduc command in my vps
There is an unknown user named 2003 running command haiduc on my vps when i run the command 'top'. However the user 2003 does not exist. Does anybody know what this is?
0
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1
answer
433
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Distance between icons
Anybody knows how to change distance between icons in top panel ubuntu 18.04? I need to do it smaller
0
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1
answer
21
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Why showing double vhost-2473 in KVM?
why system showing double vhost-2473? I have installed KVM and created a Guest machine with two interfaces on the Ubuntu-14.04 server. When I keep running the Guest machine, the Host machine showing ...
0
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1
answer
4k
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Root process suddenly uses gzip and takes up %75> CPU
I've been noticing late that my laptop will slow down suddenly, and the culprit is usually gzip being launched by a root process. This happens occassionally and I have no idea what's causing it. It ...
0
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0
answers
362
views
Error: You must specify exactly one target process
what is the syntax to use cpulimit to throttle Web Content? Note the space between Web and Content.
top - 09:16:00 up 1:09, 2 users, load average: 1.80, 1.70, 1.77
Tasks: 215 total, 2 running, ...
0
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2
answers
3k
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cpu usage per user
When I type lscpu I can read of the number of CPUs on our server (56). We are a few people working on this server and I would like to see how many CPU's are being used per user.
When I run top I can ...
0
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1
answer
110
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System resources process questions
Is there a way you can find the percentage of CPU time used by a process on the command line?
Also I want to find out what the cpu time is by a certain process as well as the percentage of memory ...
0
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2
answers
63
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In Consistent RAM reports
"System Monitor" tells me i am using 1.3GB of 2.9GB at 42.8% "atop"
tells me i am have 174.8M Free "top"
tells me i have 3072772 total, 2894424 used, 178348 free
3072772KB = 2.93042373657227GB "...
0
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1
answer
1k
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What is wrong with the memory usage?
I can't figure out what is consuming my memory... Could anyone help me?
user@desktop:~$ free
total used free shared buffers cached
Mem: 8176992 6186776 ...
-1
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1
answer
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What's the difference between two PID processes?
What's the difference between the two processes here, they both have similar files and dir inside them?