#!/usr/bin/env python

import os
import sys
import gtop

def usage():
    print"""
Usage:

./smaps PID
"""

def print_maps(v, c, d, name):
    if c + d > 0:
        print "%d\t%d\t%d\t%s" % (v / 1024, c / 1024, d / 1024, name)

try:
    pid = int(sys.argv[1])
except:
    usage()
    sys.exit()

l = gtop.proc_map(pid)

print "SHARED"
print "vmsize\tclean\tdirty\tname"

for x in sorted(l, key=lambda x: x.shared_clean + x.shared_dirty, reverse=True):
    print_maps (x.size, x.shared_clean, x.shared_dirty, x.filename)

print ""
print ""

print "PRIVATE"
print "vmsize\tclean\tdirty\tname"

for x in sorted(l, key=lambda x: x.private_clean + x.private_dirty, reverse=True):
    print_maps (x.size, x.private_clean, x.private_dirty, x.filename)