Install smem by entering the following commands in the terminal:
sudo apt update sudo apt install smem
Description:
memory reporting tool
Tool that can give numerous reports on memory usage on Linux systems. Unlike existing tools, smem can report proportional set size (PSS), which is a more meaningful representation of the amount of memory used by libraries and applications in a virtual memory system. . This package contains main tool which can also process data collected by smemcap.
Homepage: http://www.selenic.com/smem/
Version: 1.4-2build1
Section: universe/utils