Comment 2 for bug 1024135

This is the closest approximation I've found to getting the swap usage of a process:
http://northernmost.org/blog/find-out-what-is-using-your-swap/

This discussion was also very informative:
http://www.linuxquestions.org/questions/linux-server-73/how-to-determine-processes-swap-usage-855360/

I'd like to change this issue to a feature request:
Add non-virtual swap size column.