gecko-dev/python/psutil/examples/pmap.py

58 lines
1.9 KiB
Python
Executable File

#!/usr/bin/env python
# Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""
A clone of 'pmap' utility on Linux, 'vmmap' on OSX and 'procstat -v' on BSD.
Report memory map of a process.
$ python examples/pmap.py 32402
pid=32402, name=hg
Address RSS Mode Mapping
0000000000400000 1200K r-xp /usr/bin/python2.7
0000000000838000 4K r--p /usr/bin/python2.7
0000000000839000 304K rw-p /usr/bin/python2.7
00000000008ae000 68K rw-p [anon]
000000000275e000 5396K rw-p [heap]
00002b29bb1e0000 124K r-xp /lib/x86_64-linux-gnu/ld-2.17.so
00002b29bb203000 8K rw-p [anon]
00002b29bb220000 528K rw-p [anon]
00002b29bb2d8000 768K rw-p [anon]
00002b29bb402000 4K r--p /lib/x86_64-linux-gnu/ld-2.17.so
00002b29bb403000 8K rw-p /lib/x86_64-linux-gnu/ld-2.17.so
00002b29bb405000 60K r-xp /lib/x86_64-linux-gnu/libpthread-2.17.so
00002b29bb41d000 0K ---p /lib/x86_64-linux-gnu/libpthread-2.17.so
00007fff94be6000 48K rw-p [stack]
00007fff94dd1000 4K r-xp [vdso]
ffffffffff600000 0K r-xp [vsyscall]
...
"""
import sys
import psutil
def main():
if len(sys.argv) != 2:
sys.exit('usage: pmap <pid>')
p = psutil.Process(int(sys.argv[1]))
print("pid=%s, name=%s" % (p.pid, p.name()))
templ = "%-16s %10s %-7s %s"
print(templ % ("Address", "RSS", "Mode", "Mapping"))
total_rss = 0
for m in p.memory_maps(grouped=False):
total_rss += m.rss
print(templ % (
m.addr.split('-')[0].zfill(16),
str(m.rss / 1024) + 'K',
m.perms,
m.path))
print("-" * 33)
print(templ % ("Total", str(total_rss / 1024) + 'K', '', ''))
if __name__ == '__main__':
main()