The tag has no wiki summary.

learn more… | top users | synonyms

0
votes
1answer
21 views

'htop' process and threads cpu usage?

I'm observing a multi threaded process in htop in tree view. If I were to strip it just to the problematic part, it looks somewhat like this: CPU% bin/process 100 `- ...
3
votes
3answers
97 views

What is executing those commands on my machine and is it normal behavior?

I spent some time looking at htop and found a row of weird processes/commands executed by the root user for short amounts of time and I was wondering whether this is normal behavior (or some kind of ...
1
vote
1answer
19 views

Why is my second tmux session not shown in ps aux or htop but in tmux list-sessions it is?

I start two new tmux sessions, the session name is variably build from a timestamp. (the commands create a new, detached tmux session, which first changes the directory, lists the content and then ...
1
vote
0answers
13 views

How to interpret numerous processes with exact same RAM usage [duplicate]

I have a VM that processes files, parses the information and saves it to a database. I've been monitoring the resource usage and noticed /usr/sbin/console-kit-daemon --no-daemon.. Below you see a ...
0
votes
2answers
89 views

The program pstree and htop showing threads with unique PIDS. How is this possible?

I ran the program pstree -p 31872 which printed the following output: ruby(31872)─┬─{ruby}(31906) └─{ruby}(32372) The man page for pstree says: Child threads of a process ...
0
votes
1answer
52 views

How to configure `htop` to display the complete command line?

It there a way to display the complete command line in htop (e.g. in multiple lines or with a moving banner). With the default setting where only one line is displayed it isn't possible to distungish ...
1
vote
3answers
86 views

Run linux process at very very low priority?

I have regular process that not so important but will consume so much CPU power, and I have another process which is really important, but it spend most of the time idle, but when it got a job it ...
2
votes
1answer
226 views

Why highest priority threads are displayed with RT in top and htop?

In the top and htop tools, processes (or/and threads depending on display settings) having the highest realtime priority (99 from the userland API point of view) with either the scheduling policy ...
3
votes
3answers
283 views

Alert when running process finishes

There are a few questions and answers on here with regard to being alerted when a process completes/exits(1, 2) – but these all assume that the user has issued said process themselves, and thus can ...
0
votes
2answers
508 views

What does the (!) mean after uptime on htop

I was analyzing some web heads looking at htop and noticed the following Uptime: 301 days(!), 23:47:39 What does the (!) mean?
2
votes
1answer
420 views

How can I set default settings for htop?

Occasionally, I need to check resources on several machines throughout our data-centers for consolidation recommendations and the like. I prefer htop, mostly because of the interactive feel and the ...
3
votes
4answers
148 views

What is using memory? [closed]

According to htop and free, the machine I'm looking at is currently at 6631 / 11907 MB of RAM. That's more or less half of the RAM available. However when I sort top or htop by MEM%, the most memory ...
1
vote
2answers
137 views

What does % utilization mean in htop if only 1 process can execute at a time?

I see that the htop command reports respective the % of utilisation of each CPU core and also that of the processes. We know that only 1 process can execute at a time in the CPU. How is it possible ...
0
votes
1answer
735 views

How to reduce chrome's virtual memory usage?

I am running a Debian Jessie and having memory issues when using Google Chrome I tried disabling extensions, disabling cache, flushing the cache, and disabling the web 3d rendering, but nothing ...
1
vote
1answer
129 views

Virtual Memory Usage Exceeding Physical Drive Space

I have a machine running Ubuntu on Amazon EC2. The machine has a 43 Gb root drive and 30 Gb of RAM. I am running a processor and memory intensive process and I've noticed that it sometimes stalls for ...
0
votes
1answer
192 views

Display numbers in meters of htop

My server is running on debian Wheezy and htop 1.0.1 but it does not display any values on the meters bar except the 100.0% value of CPUs. Is it possible to show always the values of a meter? This ...
0
votes
1answer
115 views

HTOP nice level mismatch with the nice command?

I executed some commands with nice -20 but in htop the NI appears in red and as 19, why is this?
3
votes
2answers
167 views

What does it mean exactly when a processes “Time” has stopped in top?

I'll be looking into why we're getting critical swap alerts, and I'll find something like: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ SWAP COMMAND 14683 user1 30 10 16.0g 772m ...
1
vote
0answers
38 views

How can I hide a command line from (e.g.) top & htop? [duplicate]

I know that both support specifying the username, which can be forced using an alias in root-owned ~/.bashrc, but one can temporarily disable the alias by prepending the command with \, so what are ...
1
vote
1answer
393 views

How to get more information about Java processes from atop?

I have several java apps running on a machine and atop only tells me CMD java is there a way to get more information about that process, as I have +20 java in the list and I don´t know which one is ...
1
vote
0answers
74 views

htop: Using Ctrl + n & Ctrl + p to move between processes

I'm running the latest version of htop through Homebrew on the latest OSX. htop seems to work well on my terminal (either Terminal or iTerm), but: I'm unable to use Ctrl+n and Ctrl+p to move up and ...
3
votes
1answer
63 views

Making htop summaries respect --pid

I'm running this: $ htop --pid=3907,3940,3941,3947 and would like to make the CPU/Memory at the top only count those PIDs. Is this possible? Other questions Also, are there flags for: enter ...
1
vote
1answer
240 views

htop gives blank screen

Previously I was using htop on 32-bit Manjaro, and it worked fine, then I switched to 64-bit ArchLinux, when starting htop it shows a blank screen, and any key press does nothing. I've tried to add ...
1
vote
2answers
286 views

Swap bash script pins htop's memory usage

I deployed a hack to add swap space to a VPS that otherwise didn't allow me to use swapon to create a file. Prior to adding and executing the script, I followed the steps outlined here. and ...
4
votes
2answers
6k views

How do I install htop inside mac os x

How do I install htop for Mac OS X? (The easiest and laziest path)
1
vote
2answers
155 views

Should I care for applications that increase the system Load in order to prevent overheating?

I found that my "PCI Adapter" overheats when load is above 4.0 (having 4 cores). It does NOT overheat when the load is below 4.0 (but I had an overclocked memory that was causing trouble as I explain ...
0
votes
1answer
491 views

htop: show processes of all users except root

I am aware of the -u option in htop, where I can show only processes of a given user, such as: htop -u root I am wondering whether there is a way to show processes of all user except root.
9
votes
5answers
2k views

Laptop running ~30° hotter than normal; CPU/Load is reportedly normal. What could cause this and how can I diagnose it?

I'm running the latest Arch Linux on my ThinkPad t420 laptop, and am having an intermittent heat problem where my temp will rise from the typical ~45°C to ~75-90°C, and stay there until I reboot. ...
0
votes
1answer
121 views

How can I look at recent system activity to figure out what caused a huge slowdown? [closed]

I'm running CrunchBang Waldorf with OpenBox on a Lenovo e420. I made the switch from Windows a few months ago, and have had no problems with performance since then. Everything runs nice & fast. ...
2
votes
1answer
359 views

Change the scale of the bar graph in htop

Does anyone know of a way to change the scale of the bar graphs in htop? The memory one, specifically, doesn't seem based off of percent of memory used--it's some other scale that seems useless to ...
2
votes
1answer
3k views

htop reporting much higher memory usage than free or top

The following three outputs were taken essentially simultaneously: top: top - 02:54:36 up 2 days, 13:50, 3 users, load average: 0.05, 0.05, 0.09 Tasks: 181 total, 1 running, 179 sleeping, 0 ...
2
votes
3answers
4k views

Killing a tree of processes in top/htop

htop allows me to nicely see trees of processes within the shell. I can kill processes by pressing F9 (KILL) and then selecting which signal (e.g. 15 SIGTERM) I want to send to a job to kill. ...
3
votes
1answer
164 views

Graphical console applications in Emacs

I am having trouble running htop within an ansi-term in Emacs 24.2. It looks like some of the control characters are not interpreted correctly. I thought ansi-term was capable of handling font ...
5
votes
1answer
2k views

top / htop; group process by command

I'd like to know how much resource a specific command is using. top and htop displays information on per process basis but I'd like the information to be shown on per command basis. E.g. I'd like to ...
1
vote
0answers
541 views

How can a single thread use 200% CPU usage?

From the screenshot above of htop output you can see that mysql is apparently using 204% of CPU usage (this is a CentOS server with dual quad-core Intel Xeons). However only one core (8) is doing ...
18
votes
1answer
3k views

Meaning of colours in htop

Given the option: [ ] Detailed CPU time (System/IO-Wait/Hard-IRQ/Soft-IRQ/Steal/Guest) In htop (Version 1.0.1) what are the meanings of the colours? In the following image, I'm seeing rather a lot ...
5
votes
3answers
1k views

why does htop meter show >90% while table is 0.0%?

Why do the progress meters across the top of the screen in htop show CPU usage consistently above >90% while the numbers in the table below show a nearly idle system with CPU usage and load average at ...
11
votes
3answers
4k views

How can I receive top-like CPU statistics from the shell?

I'm trying to get an accurate read of my used CPU (in percent) from top. This is the command I'm running for testing: top -n1 | awk '/Cpu\(s\):/ {print $2}' This returns: 10.7%us, Which is the ...
24
votes
2answers
6k views

Why does `htop` show more process than `ps`

In ps xf 26395 pts/78 Ss 0:00 \_ bash 27016 pts/78 Sl+ 0:04 | \_ unicorn_rails master -c config/unicorn.rb 27042 pts/78 Sl+ 0:00 | ...