Installation

As root

aptitude install smem

Show Swap Memory Usage For Processes

smem
  PID User     Command                         Swap      USS      PSS      RSS
  555 root     /sbin/agetty -o -p -- \u --        0      144      264     2072
  561 root     /sbin/agetty -o -p -- \u --        0      256      314     1808
  590 prg1     prg1/anvil                         0      216      334     2528
  525 root     /sbin/iscsid                       0      212      392     1780
  799 prg2     prg2/stats                         0      272      419     2620
  600 prg3     /usr/sbin/prg3 -x /etc/          888       28      431     2816

This is only a rough estimation. For precise measurement or other categories see man smem.

Show Sorted Swap Memory Usage

One strong incentive to use smem is its sort option to understand the processes that uses most of the swap space. As root do:

smem -s swap
...
25488 user6    fishtai/segg                      0     1272     1613     4172
    1 root     /sbin/init                        4     1528     2687     8740
18521 user4    (sd-pam)                          4     1624     2226     4716
18597 root     (sd-pam)                          4     1560     2175     4632
  438 root     /usr/lib/udisks2/udisksd         24     3832     4562     9376
  461 shelldb  /usr/sbin/shell --foregroun      36  1280540  1281410  1285724
  628 root     /usr/sbin/cron -f                40      260      309     2248
  653 fishtai  fishtai/anringa                  76      144      213     1792
  656 root     fishtai/config                  104     1280     1361     3268
  604 root     /usr/sbin/fishtai -F            152      248      328     2280
  654 root     fishtai/log                     184      180      233     1936
  605 root     /usr/bin/python3 /usr/bin/f     200    16276    17720    23088
  625 root     /usr/sbin/sshd -D               220      644      982     5424
  910 root     /usr/lib/mydbarg/sbin/main      492      396      647     2952
  440 root     /usr/bin/python3 /usr/sbin/     644    20728    22874    29808
  678 process  /usr/sbin/process  -x /etc/     940        4      361     2336
  679 process  /usr/sbin/process  -x /etc/    1236     7732     8245    12176
  610 daemon   /usr/sbin/goto5 -u daem -4     6580    10972    11145    14288
  964 amigod   /usr/sbin/amigodd-old (ch2-   29764    38600    73196   111100
  933 amigod   /usr/sbin/amigodd-old (main   46120    19580    54113    92244

History

Version	Date	Notes
0.1.1	2022-06-29	Swap sort + install section, history, shell->bash
0.1.0	2020-06-10	Initial release