#!/usr/bin/env python
""" Usage: smaps_monitor pid

Where pid is a process id of monitored process
"""

import sys, time
import py

def main(pid):
    from smaps import SmapsRecorder
    sm = SmapsRecorder(pid, None)
    
    while 1:
        l = []
        try:
            sm.snapshot(lambda self, a, b: l.append(a), lambda self : None)
        except py.error.ENOENT:
            break
        print sum([i[4] + i[5] for i in l])
        time.sleep(1)

if __name__ == '__main__':
    if len(sys.argv) != 2:
        print __doc__
        sys.exit()
    pid = int(sys.argv[1])
    main(pid)