' ps v PPID' command and real memory

UNIX for Advanced & Expert Users
1

hi Guys,

Just wondering whether if I execute the ps v 1818740 and I get the below ouput what column should I use If I need to calculate how much real memory (private) is use by those process. Thanks.

  PID    TTY STAT  TIME PGIN  SIZE   RSS   LIM  TSIZ   TRS %CPU %MEM COMMAND

1818740 - A 0:00 60 1976 1064 xx 39 112 0.0 0.0 db2sysc

harby.

2

The RSS column is probably what you want. It's how much memory the program is using "in core". The SIZE column might also be what you want -- it's the amount of memory used by the process, including code, stack, heap, etc., whether or not it's in swap or in core.