A command-line system monitor tool that produces a frequently-updated list of processes.
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2answers
143 views
Top c - CPU usage >200% Will it Crash?
I would appreciate some advice from your experience..My main concern is I really REALLY do not want to cause the computer server to crash..
The question is, I am running a program on a linux computer ...
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1answer
31 views
Task management tools with keyboard navigation that run in a terminal
I recently learned that I can use top with my keyboard to kill processes (k), show processes for a specific user only (u), etc. But I was wondering if there is a way of selecting processes from the ...
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1answer
110 views
OSX top command shows 5 running on a quad core
When trying to run the top command on my quad core mac, I see periodically that there are 5 running processes. How could it be possible to have 5 running processes on a quad core machine?
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1answer
341 views
Make top shows only server process
Can I make top show info about the web and db servers? Can it be done by piping the pids to the top? They can be many process from every one?!? Or is there any better method for this?
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1answer
253 views
Queries about top command
top command shows the process cpu utilization, and it when we sum the cpu utilization of all the processes then it goes greater than 100%. And how can it shows the cpu utilization of each process( ...
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1answer
41 views
What's using all of the memory in my VM? It's not the disk cache
I have an issue where when I try to build a really large project, my machine starts swapping (several GB) even though there's plenty of memory (14 GB in fact). When I run free, it shows that it's not ...
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1answer
40 views
Control precision of CPU or MEM percentage in top?
Looks like the default precision has changed in Arch, but I checked top (1), I didn't find anything related to precision, maybe I've used the wrong jargon.
Right now it's 3 bit precision, I want ...
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1answer
315 views
Append timestamp to top command output
All,
I'm using
top -l 0 -s 1 -pid XXX -stats rsize | awk 'NR%13==0; fflush(stdout)' > output.txt
to store the rsize value of a process in a file. Currently the contents of output.txt look ...
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2answers
1k views
free / top difference. Does free show virtual memory?
free -m shows me the following in my system:
total used free shared buffers cached
Mem: 3954 3842 111 0 248 2585
-/+ ...
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0answers
36 views
Determine how much a process is using each disk?
How do I tell how much load a particular process is contributing to each of several available volumes/mounts? Seems that dstat only shows aggregate stats across all processes per disk, and iotop only ...
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1answer
36 views
iotop but for particular disk?
Is there a tool like iotop but for monitoring IO on specific volumes? (Or perhaps I missed a way to filter iotop?) If not is there any way to get at this information via (say)/proc? (dstat etc. ...
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1answer
92 views
Which processes swaps memory
I can see swap's total, used, free etc. sizes from top command.
But I can't figure out which process uses swap, is it possible to find out swap memory by process?
I'm running CentOS 6.3.
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2answers
224 views
Total amount of memory usage by a single process say httpd
I want to get a full added amount of memory usage for a particular process. Here say I want to have the total amount of memory taken by httpd. So if I do a tail command as "tail -M"
I get
PID ...
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0answers
93 views
Display 'PRI' and 'NI' via 'top -stats'
I'm trying to create a script that prints top stat for some specific fields (e.g. pid, command, priority, nice value). I can print most of them by using -stats option, but there is no arg for ni and ...
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0answers
27 views
javac takes over 200% CPU on RHEL6? [duplicate]
Possible Duplicate:
top output: cpu usage > 100%
I don't think I understand what top is telling me. I have a javac process that says that it's taking over 200% of CPU. That's in the ...
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1answer
347 views
system monitoring tools
What command line utilities come standard with sunos to do system monitoring?
I've been able to find prstat, but I would like something that will tell me memory usage and IOWAIT as well.
It looks ...
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3answers
253 views
What is the difference between ps and top command?
What is the difference between ps and top command ? I see that both can display information about running processes . Which one should be used when ?
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1answer
57 views
top not working
My below cronjob is not working. What am I doing wrong here??
*/5 * * * * /usr/bin/top -n1 | head -10 >>/tmp/load.txt
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2answers
121 views
What does SWAP mean in top?
It says
p: SWAP -- Swapped size (kb)
The non-resident portion of a task's address space.
q: RES -- Resident size (kb)
The non-swapped physical memory a task has used.
RES = CODE + ...
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1answer
378 views
The TIME field in ps -ef
When I do ps -ef, I see "TIME" field. What does this field mean? From what I understand, this tells the actual CPU time, that the process got (amidst all the context switching). Does the TIME field ...
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0answers
33 views
Prevent Java to escalate CPU usage on Slackware64?
I use Slackware64-current on my work laptop and though I love running Slackware, sometimes it hangs on me near to the point of starting considering falling back to Windows.
I develop on Java and use ...
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0answers
20 views
Contradictory information from “top” [duplicate]
As we all know, the top command displays various real-time information about the running system. What I can't figure out is this:
top claims that gzip is using 95% CPU. (Not unreasonable, considering ...
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0answers
45 views
Why the kernel works so hard?
Tasks: 808 total, 242 running, 553 sleeping, 3 stopped, 10 zombie
Cpu(s): 20.0%us, 79.5%sy, 0.3%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.2%si, 0.0%st
Mem: 16313868k total, 6922552k used, 9391316k ...
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0answers
97 views
Very large values for utime and stime for foo. Is foo still running?
I am running a program foo
It has been running for close to 30 days now (even more)
Until around 10 days ago (I cannot be very exact) it used 100% of one cpu on my dual core laptop (it was at the ...
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1answer
414 views
ATOP shows red line vmcom and vmlim. What does it mean?
utility atop shows:
ATOP - MyServer 2013/01/07 00:03:57 10 seconds elapsed
PRC | sys 2.18s | user 8.33s | #proc 141 | #zombie 0 | #exit 0 |
CPU | sys 21% | ...
