ps_mem
"A utility to accurately report the in core memory usage for a program." - https://github.com/pixelb/ps_mem
Usage examples
Simple usage
$ sudo ps_mem
Private + Shared = RAM used Program
144.0 KiB + 12.5 KiB = 156.5 KiB acpid
144.0 KiB + 31.5 KiB = 175.5 KiB hald-addon-acpi
160.0 KiB + 56.5 KiB = 216.5 KiB hald-addon-input
...snip...
17.9 MiB + 101.0 KiB = 18.0 MiB mysqld [updated]
25.5 MiB + 516.5 KiB = 26.0 MiB salt-minion
31.6 MiB + 730.0 KiB = 32.3 MiB python (2)
41.0 MiB + 309.5 KiB = 41.3 MiB ruby
45.5 MiB + 36.0 KiB = 45.6 MiB init
48.9 MiB + 4.1 MiB = 53.0 MiB ssh (48)
57.3 MiB + 2.5 MiB = 59.7 MiB bash (114)
115.0 MiB + 86.0 KiB = 115.1 MiB named
148.3 MiB + 132.5 KiB = 148.4 MiB java
1.4 GiB + 449.5 KiB = 1.4 GiB screen (15)
---------------------------------
2.0 GiB
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