Top is a UNIX program that shows system usage in real time.
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1answer
28 views
Is my top statement saying my asterisk server is using too much resources?
I installed an asterisk server on my VPS with linode. I have 1 GB of ram. I'm not sure what kind of CPU is in use.
I decided to test the number of concurrent calls my system can handle. So I used ...
0
votes
1answer
42 views
The outputs of ps and top do not match
I have a situation where I have a process, say script.pl (here it is), which seems to stick around in the output to ps auxw | grep script.pl, sometimes when load is heavy it sticks around for several ...
3
votes
1answer
25 views
How to identify what is causing sys% in top?
top on one of hex cores with hyper threading shows the following
Cpu0 : 2.3%us, 58.8%sy, 0.0%ni, 38.2%id, 0.7%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu1 : 4.7%us, 62.1%sy, 0.0%ni, 31.2%id, 0.7%wa, ...
0
votes
1answer
23 views
Top command cache vs free memory
When I am running top command (on embedded system with 64 MB RAM) I am getting below description on total memory usage:
"Mem: 43468K used, 968K free, 0K shrd, 1280K buff, 21896K cached"
It looks ...
3
votes
2answers
89 views
Where does top command get all the data for CPU Utilization?
When I run the top command, the third line is;
Cpu(s): 0.3%us, 0.3%sy, 0.0%ni, 99.2%id, 0.1%wa, 0.0%hi, 0.0%si, 0.1%st
From where does top command get this data? Does it get from /proc?, if ...
0
votes
1answer
20 views
How to get the arrow keys to print they are located on the key pad
I have a laptop windows 7 and I am trying to use the arrow keys found on #4 and #6 . I cant figure out how to get them to work
1
vote
2answers
32 views
Can I highlight my user name in top/bash?
I often use top under bash. I would like to highlight (in color, bold or other form) my user name, so that I can more easily find it in top. (Sometimes it's difficult with many users running lots of ...
3
votes
2answers
177 views
Understanding top command in unix
When I run top -c command on my UNIX box I get the output below:
top - 03:09:34 up 5 days, 6:14, 1 user, load average: 0.00, 0.00, 0.00
Tasks: 175 total, 1 running, 174 sleeping, 0 stopped, ...
1
vote
0answers
54 views
atop - next page in process list, same processes
I use atop logs to examine state of my server. I am confused next page option:
^F - show next page in the process-list (forward)
atop shows me a process list as follows:
21559 ... 2013/03/13 ...
2
votes
0answers
41 views
CPU usage according to lxde applet and task manager is different than top
The CPU usage in top (htop) appears normal but the task manager and lxde CPU applet don't. Here is a screenshot:
This is Lubuntu 12.04
Is this a bug?
4
votes
1answer
67 views
Is there `top` for disk usage [duplicate]
How to track disk usage (write/read and other cool stuff) in realtime with fashion of top in the only right system in shell?
It would be cool if it could monitor specific directory.
0
votes
0answers
16 views
OS X (10.7) display issue: force dock to top display when they're stacked
I can't post an image because I don't have rep, which would have helped a lot.
My primary display is sitting on top. I've done countless searches on Google but they were either irrelevant or ...
0
votes
1answer
43 views
How can I see which programs/users are talking to which network addresses and how much ? (Unix/Ubuntu) [duplicate]
Possible Duplicate:
Is there a way to find out what application using most of bandwidth in Linux?
I'm interested in which programs are using my network connection and how much.
I wondered ...
2
votes
1answer
86 views
'top' output baffles me
top - 18:22:21 up 98 days, 23:26, 4 users, load average: 2.73, 2.85, 2.60
Tasks: 210 total, 1 running, 209 sleeping, 0 stopped, 0 zombie
Cpu(s): 3.6%us, 2.5%sy, 0.0%ni, 87.7%id, 5.1%wa, ...
1
vote
1answer
54 views
Print top output only once on Mac OS X
On Linux, the top command has a "batch mode": top -b -n 1 to print the output a set number of times. On Mac, it seems that the top command does not have batch mode (certainly the -b option does not ...
3
votes
1answer
111 views
Filter interactive output (top)
How can I filter the output from a "self-updating" program such as top while keeping its functionality intact?
For example, I want to highlight my user name in top's output. My idea is to use ...
1
vote
1answer
181 views
Linux memory usage doesn't add up
I try to monitor the memory usage in my ubuntu server. When I run 'top' command, it shows 70% of the memory is used. (shown in the 'Mem:' line). But I want to find the processes that take my memory ...
0
votes
0answers
79 views
PStree with memory use?
Is there any utility out there for linux that will give me a PStree with memory use per process?
I guess it's possible in theory to grab a pstree with pids, then comb ps itself for the memory use for ...
2
votes
2answers
375 views
Why won't top command show the right result?
You want to find the line 3427 1 root S 36964 124% 2% tmux -L l in the following screenshots of top command.
Why can tmux use more than 100 percent of memory? That is confusing...
Is ...
1
vote
1answer
57 views
How do I show usernames in top?
I'd like to do something like top -o cpu but with usernames for each process shown in each row. How can I do this? Thanks!
p.s. I am on Mac OS. I am not sure if the top command is different from ...
2
votes
1answer
359 views
Full list of top-like tool family for perfomance monitoring in linux: iftop iotop htop atop more? [closed]
Top-like utilities are extremely handful in my work and I want to make sure I am not missing any of them. Please extend the following list of performance monitoring (top-like) family of linux tools:
...
6
votes
1answer
4k views
Why is the “top” command showing a CPU usage of 799%?
I am running a process in a 4 core Ubuntu server. However, top command shows that the CPU usage is 799% all the time.
How can this be possible? I know for multi core CPUs, more than 100% CPU usage ...
0
votes
0answers
61 views
I cannot change the top row cells of my Word table and it's not protected [closed]
I cannot change the text in the top row (it is repeated on each page but I cannot even change it on the first page of the doc) of my word table. A little icon/lined box pops up next to the cursor on ...
2
votes
3answers
261 views
Kill ssh session and/or stuck processes
I'm developing with vi over ssh.
My problem is that sometimes I get my ssh connection killed because of my poor wifi connection and previous processes (like "top", "rails c", etc...) are not being ...
3
votes
1answer
435 views
How to kill an invisible process?
I have a program that crashed, its GUI is frozen, and I would like to kill it.
However there is no trace of it among the current processes.
I tried both top and ps -A, but I got nothing.
The ...
3
votes
2answers
1k views
“Cannot allocate memory” while no process seems to be using up memory
I am not competent on server issues, any help is much appreciated. When try to start a python/django shell on a linux box, I am getting OSError: [Errno 12] Cannot allocate memory.
free -m seems to ...
0
votes
0answers
69 views
Memory usage in top converted to a standard unit
I am using an output of "top -bn 1" to grab stats on memory usage of some key processes.
The VIRT column contains the memory usage, but puts the "m" unit at the end of the number. I imagine it ...
1
vote
2answers
225 views
`free -m` shows a program on linux use 322M ram, but `top` show it use 58M, why?
I have a 512M vps box on burst.net, and which has no swap. My os is centos 6.x x64.
When it started, it only used 58M ram.
$ free -m:
total used free shared buffers ...
1
vote
1answer
312 views
Weird Apache error - Apache hangs & needs restarting regularly
I've been recently receiving this weird error where Apache just becomes unresponsive and completely stops until it is manually restarted.
It gets to a point where I can not longer retrieve apache ...
0
votes
0answers
91 views
what is this kicker process that shows up when i do top?
This morning when I came to my office i noticed the machine very slow so I did 'top' at the terminal and i see at least 50 process running and they are "kicker-3.4-reve"!!! I am using RedHat Linux
It ...
0
votes
1answer
146 views
How does cpu speed stepping effect the cpu usage percentages reported in (for example) htop?
How does cpu speed stepping effect the cpu usage percentages reported in (for example) htop? How about the normal top?
So, if my cpu is stepped down to 800mhz with a full speed of 2ghz, does 5% used ...
1
vote
1answer
534 views
Output high CPU processes using bash shell
I am trying to monitor my CentOS processes using top command to see if there are any processes where CPU usage is greater than X%, below is the command I am using to see if any processes CPU usage is ...
0
votes
2answers
208 views
Swap implication in Linux and way to increase it
I used top command to print this on Linux box:
[root@localhost ~]# top
top - 23:38:38 up 361 days, 12:16, 2 users, load average: 0.09, 0.06, 0.01
Tasks: 129 total, 2 running, 126 sleeping, 1 ...
0
votes
3answers
279 views
Linux Memory Displays Half Used But No Processes Seem to Be Using It
I am running a Java script on a Fedora Core Release 6 server (Linux 2.6.19-1.2911.6.5.fc6xen x86_64) and am concerned about a lack of memory. The box has 2 GB of memory in total. Running "free -tm" ...
1
vote
1answer
353 views
How to redirect values from top command to a file in Mac OSX
All,
I want to extract values from top for plotting purposes. I'm currently using the following command
top -l 0 -s 1 -pid 12345 -stats rsize | awk 'NR%13==0'
When I run this , I get the ...
7
votes
4answers
2k views
Zombie process using 100% CPU
A zombie process, which should not be using any resources (RAM and CPU), is hogging up an entire core on my 8-core 64-bit Ubuntu 11.10 Desktop installation.
This is the output of ps -el|grep Z:
F S ...
1
vote
1answer
451 views
linux 'top' not showing all processes
I am running linux top command to see processes running inside qemu VM. Sometimes, a process does not appear in them, but if I run,
ps -eo psr,pcpu,comm | grep myprocessname
then the process is ...
1
vote
2answers
224 views
when we use “top -c” in Linux, which type of process is closed by brackets?
As the title said, which type of process is closed by brackets?
2
votes
2answers
650 views
Where has all my memory gone?
I have a linux server that keeps using up all it's memory and I can't see what is using it, running top igves the following response:
Tasks: 103 total, 1 running, 102 sleeping, 0 stopped, 0 ...
1
vote
1answer
263 views
Why does top report more than the theoretical maximum CPU usage of a machine?
I would like to know why I have a process being able to report a usage line like:
PID COMMAND %CPU
248 Xcode 983.5
… in top on a quad core CPU?
I understand it's wrong, but how come? I'm ...
2
votes
1answer
215 views
Can top show more than 100% in %MEM?
Can the %MEM value for a process show more than 100% in top output?Is this ever possible?
1
vote
1answer
422 views
Linux Virtual Memory/Swap isn't being used
I think my virtual memory is not configured correctly on my MintLinux machine. I opened up a new IDE, IntelliJ IDEA, and my whole system appeared to freeze. I tried to TTL to the console but that did ...
0
votes
1answer
400 views
What is Solaris top command “SIZE” column?
I have a node.js process running on a Solaris box. In the top command view, the "RES" column which I guess represents the physical memory is constant and reasonable. However the "SIZE" column keeps ...
2
votes
2answers
108 views
Is there a more detailed version of top?
I'm testing some software on a particular four core machine. Is there an option for top or a similar utility that can tell how much each core is being used for a particular job?
1
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0answers
118 views
Is it normal to overworking of just one CPU when using openMP
When I use OpenMP in FORTRAN to parallelize a program on linux, ' top' command show me just one processor working ~%800 instead of ~%100 x 8 processors. Is it a expected situation ?
1
vote
1answer
262 views
“top” like utility for AMD GPUs on a headless machine
For monitoring CPU usage, there is top (well, I use htop). Is there a top-like utility for GPUs?
I have an ATI Radeon HD 4650 in a computer running Debian Squeeze (x86). Thing is, it's running ...
5
votes
1answer
332 views
5
votes
2answers
1k views
Why does the memory usage in “top” not add up?
I have noticed that sometimes when I run top, the memory usage of each process in the process table does not seem to add up to the total.
For example, in the dump below, top says that I am using 16 ...
8
votes
3answers
4k views
Filtering top command output
I'm running a Mac and want to filter the output of the top command for a particular process such that only the PID, COMMAND and %CPU columns are displayed.
After getting the PID of the process, I ...
0
votes
1answer
198 views
showing cpu eating process
when my mint laptop tries to connect wireless, i noticed the increase in load but I dont see a process in top.
How we can find these processes.
top - 16:01:09 up 11 days, 6:08, 2 users, load ...
