A utility to accurately report the core memory usage for a program
Yes the name is a bit weird. coremem would be more appropriate, but for backwards compatible reasons the ps_mem name remains.
Install:
pip install ps_mem is supported, or rpm and deb packages
are available for most distros. Also the ps_mem.py script
can be run directly.
Usage:
ps_mem [-h|--help] [-p PID,...] [-s|--split-args] [-t|--total] [-w N]
[-d|--discriminate-by-pid] [-S|--swap]
Example output:
Private + Shared = RAM used Program
34.6 MiB + 1.0 MiB = 35.7 MiB gnome-terminal
139.8 MiB + 2.3 MiB = 142.1 MiB firefox
291.8 MiB + 2.5 MiB = 294.3 MiB gnome-shell
272.2 MiB + 43.9 MiB = 316.1 MiB chrome (12)
913.9 MiB + 3.2 MiB = 917.1 MiB thunderbird
---------------------------------
1.9 GiB
=================================
The [-p PID,...] option allows filtering the results. For example to restrict output to the current $USER you could:
sudo ps_mem -p $(pgrep -d, -u $USER)
or to summarize the total RAM usage per user you could:
for i in $(ps -e -o user= | sort | uniq); do
printf '%-20s%10s\n' $i $(sudo ps_mem --total -p $(pgrep -d, -u $i))
done
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