Memory process is using

Question

I want to determine via cli how much memory seamonkey is using.

I know pidof seamonkey will give me the needed pid.

How do I combine that with os -o rss to give the memory used ?

System monitor must display that – Kulfy Aug 7 '18 at 19:29 — Kulfy, Aug 7 '18 at 19:29
Editing my post. I wanted it via cli. – fixit7 Aug 7 '18 at 20:11 — fixit7, Aug 7 '18 at 20:11

zwets · Accepted Answer · 2018-08-07 22:49:48Z

From man ps:

-q pidlist  
    Select by PID (quick mode).
    This selects the processes whose process ID numbers appear in pidlist.

To combine this with ps -o rss, use command subtitution:

ps -o rss -q $(pidof seamonkey)

Or the old-fashioned style with backquotes:

ps -o rss -q `pidof seamonkey`

You may want to add --no-headers if you are only interested in getting the number.

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