0
votes
0answers
78 views

ps / top crash on call with Signal 11 SEGV

since some days i have a weird issue using ps and top. Each time i try to call them via script or command line, they crash with "Signal 11 (SEGV)" and i didn't manage to repair that. I dont even know, ...
1
vote
1answer
534 views

How to get /proc/[pid]/cmdline to contain command arguments?

I am running into an issue where some of my Ubuntu/Debian servers do not show the arguments passed to rake in either top or ps. I have tracked this problem down to a variation in output given by ...
-1
votes
3answers
117 views

How to solve memory issues in Linux

How to get details of a process that is taking RAM. From top command i have found that Mysql is taking too much ram how can i know why Mysql is taking too much ram far from usual behavior? Is there ...
1
vote
1answer
125 views

ps -o pcpu on Debian Squeeze is giving meaningless numbers

I'm trying to get the CPU percentage for processes on a busy server out of ps, but it's giving me nonsensical numbers. Here's a truncated example: $ ps -eo pcpu,pid | sort -n %CPU PID ... 36.5 ...
0
votes
1answer
483 views

load-causing processes disappearing from “top” ps -o pcpu shows bogus numbers

I administer a large number of servers, and I have this problem only with Ubuntu 10.04 LTS: I run a server under normal load (say load average 3.0 on an 8-core server). The "top" command shows ...
1
vote
2answers
4k views

ps shows that migration/* processes consume a lot of CPU, but top keep silence about them

here is the result of ps command, shown only first 10 lines ps aufx | head USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 2 0.0 0.0 0 0 ? S ...
0
votes
1answer
404 views

Enable foreign users processes listing

how can I enable under Debian 6 to list the processes of a foreign user? I have the user nagios but this user can only list his own processes. Br
2
votes
1answer
524 views

top, w, ps showing wrong CPU times

I've spotted this trait recently on some of my Ubuntu servers (10.04.2) on Amazon EC2 (not noticed this on any physical boxes), and can't quite comprehend how it's getting these figures. They can't be ...
2
votes
2answers
1k views

How do get apache display url request in Top and PS?

Is there a way to get apache to display the url that it is handling in top and ps? This would help us nail down performance issues much more faster. Thanks.
15
votes
3answers
7k views

Show full process name in top

I'm running a rails stack on ubuntu. When I ps -AF, I get a descriptive process name set by the apache module like 00:00:43 Rails: /var/www... which is really helpful in diagnosing load issues. ...
2
votes
2answers
209 views

Provide Description for a Command for 'ps' Command Visibility

So the problem I want to find a tidy solution for is that when I log into a server (I have some Solaris and RHEL instances about), I try to find out what applications are running: $ ps -auxww | grep ...
12
votes
2answers
4k views

How is memory usage reported in Linux?

Using ps, I can see the size, the vsize (same as top's VIRT?), and the rss (same as top's RES?). (One more I see in top is SHR.) Could someone summarize for me what these different fields mean?