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Full Discussion: Process ids consuming huge resources ?
Operating Systems AIX Process ids consuming huge resources ? Post 302424410 by bakunin on Tuesday 25th of May 2010 07:27:46 AM
Old 05-25-2010
[QUOTE=sidharthmellam;302424325]
what is the command to check process ids , which are running from long time and which are consuming more cpu?[quote]

Use "ps" and consult its (rather exhaustive) man page by issuing "man ps". For instance, use:

Code:
ps -eo "%U %p %P | %C %z %t | %c %a"

Additionally there are a lot of other tools displaying basically the same info as the above command but in somewhat "cooked" form: "topas" (IBMs own tool), "nmon" (freeware package), "monitor" (freeware) and probably some others.


Quote:
Originally Posted by sidharthmellam
i have a pid :3223722 which is running since from long time,
Code:
ps -ef | grep 3223722
ps3adm 1458336 2187476   0 05:24:31 pts/17  0:00 grep 3223722

This suggests, that there is no such process, so you can't see, which resources it is using. Of course "grep" finds itself running in the process list when it runs and so reports one hit. To filter that out you could use:

Code:
ps -<some options> | grep -v grep | grep <PID>

If this command doesn't turn up with any output the PID is simply not used.

I hope this helps.

bakunin
 

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LEARN ABOUT LINUX

zegrep

ZGREP(1)                                                      General Commands Manual                                                     ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep  options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

                                                                                                                                          ZGREP(1)
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