ps command help

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10-09-2012

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ps command help

Hi,

I am trying to get a summary of the CPU,Memory utilised by every user in a system using the "ps" command.
I went through the man page and couldn't get the exact result.
The best i could manage was:

Code:

ps -e -o pcpu,pmem,user,args --sort user

This doesn't add up the resource consumption by each user and summarise it.
BTW, I see a --cumulative argument,but i am not sure how to use it.

Any help is appreciated.

Note - I understand that we can use "prstat -a" and get the desired result. But my intention here is to explore and undertand the "ps" command.

Thanks
HG

Hari_Ganesh

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LEARN ABOUT POSIX

acctcms

acctcms(1M)						  System Administration Commands					       acctcms(1M)

NAME

       acctcms - command summary from process accounting records

SYNOPSIS

       /usr/lib/acct/acctcms [ -a [-o] [-p]] [-c] [-j] [-n] [-s] [-t] filename...

DESCRIPTION

       acctcms reads one or more filenames, normally in the form described in acct.h(3HEAD). It adds all records for processes that executed iden-
       tically named commands, sorts them, and writes them to the standard output, normally using an internal summary format.

OPTIONS

       -a	Print output in ASCII rather than in the internal summary format. The output includes command  name,  number  of  times  executed,
		total kcore-minutes, total CPU minutes, total real minutes, mean size (in K), mean CPU minutes per invocation, "hog factor," char-
		acters transferred, and blocks read and written, as in acctcom(1). Output is normally sorted by total kcore-minutes.

		Use the following options only with the -a option:

		-o	 Output a (non-prime) offshift-time-only command summary.

		-p	 Output a prime-time-only command summary.

		When -o and -p are used together, a combination prime-time and non-prime-time report is produced.  All the  output  summaries  are
		total usage except number of times executed, CPU minutes, and real minutes, which are split into prime and non-prime.

       -c	Sort by total CPU time, rather than total kcore-minutes.

       -j	Combine all commands invoked only once under "***other".

       -n	Sort by number of command invocations.

       -s	Any file names encountered hereafter are already in internal summary format.

       -t	Process  all  records as total accounting records. The default internal summary format splits each field into prime and non-prime-
		time parts. This option combines the prime and non-prime time parts into a single field that is the total of  both,  and  provides
		upward compatibility with old style acctcms internal summary format records.

EXAMPLES

       Example 1: Using the acctcms command.

       A typical sequence for performing daily command accounting and for maintaining a running total is:

       example% acctcms filename ... > today
       example% cp total previoustotal
       example% acctcms -s today previoustotal > total
       example% acctcms -a -s today

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWaccu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       acctcom(1),  acct(1M),  acctcon(1M),  acctmerg(1M),  acctprc(1M),  acctsh(1M),  fwtmp(1M),  runacct(1M),  acct(2), acct.h(3HEAD), utmpx(4),
       attributes(5)

NOTES

       Unpredictable output results if -t is used on new style internal summary format files, or if it is not used with old style internal summary
       format files.

SunOS 5.10							    22 Feb 1999 						       acctcms(1M)

Red Hat