http://lwn.net/Articles/230975/
its not the article I was looking for (which actually shows you how to
do the calculations...), but its pretty cool
As I recall, there was a utility somewhat like vmstat(1) but unique in that it could crawl through
the system and find out all the different regions occupied by various processes and dump the result
out. I remember playing with it once or twice but didn't keep it around because it takes a rather long
time to run on a slow system. Pity, because it seems to fit the bill - I just can't seem to remember the name of the tool (it's not a "standard" utility in that sense).
A