The Tor Browser: python/psutil/examples/pmap.py@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 #!/usr/bin/env python

     3 # Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.

     4 # Use of this source code is governed by a BSD-style license that can be

     5 # found in the LICENSE file.

     7 """

     8 A clone of 'pmap' utility on Linux, 'vmmap' on OSX and 'procstat -v' on BSD.

     9 Report memory map of a process.

    10 """

    12 import sys

    14 import psutil

    15 from psutil._compat import print_

    17 def main():

    18     if len(sys.argv) != 2:

    19         sys.exit('usage: pmap pid')

    20     p = psutil.Process(int(sys.argv[1]))

    21     print_("pid=%s, name=%s" % (p.pid, p.name))

    22     templ = "%-16s %10s  %-7s %s"

    23     print_(templ % ("Address", "RSS", "Mode", "Mapping"))

    24     total_rss = 0

    25     for m in p.get_memory_maps(grouped=False):

    26         total_rss += m.rss

    27         print_(templ % (m.addr.split('-')[0].zfill(16),

    28                         str(m.rss / 1024) + 'K' ,

    29                         m.perms,

    30                         m.path))

    31     print_("-" * 33)

    32     print_(templ % ("Total", str(total_rss / 1024) + 'K', '', ''))

    34 if __name__ == '__main__':

    35     main()

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