Description:

The _/proc/PID/smaps_ files in modern linuxes provides very detailed
information about a processes memory consumption. It particularly includes
a way to estimate the effect of copy-on-write. This module implements a
Perl interface.

The content of the _smaps_ file is a set of blocks like this:

0060a000-0060b000 r--p 0000a000 fd:01 531212 /bin/cat
Size: 4 kB
Rss: 4 kB
Pss: 4 kB
Shared_Clean: 0 kB
Shared_Dirty: 0 kB
Private_Clean: 0 kB
Private_Dirty: 4 kB
Referenced: 4 kB
Swap: 0 kB
KernelPageSize: 4 kB
MMUPageSize: 4 kB