I would like to get a process's memory usage and it seems that
pmap can do that. However, the value it returns is different from what I see in
# pmap 22080 | grep total total 6588952K # top | grep 22080 22080 ghatee 20 0 6588948 5.873g 11936 R 100.0 9.4 1120:17 pw.x
What is the reason?