naughty_detector.py
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	zhuyifei1999
	Dec 31 2017, 5:19 AM

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naughty_detector.py
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	#! /usr/bin/env python3
	# License: Public Domain

	import os
	import time

	os.chdir('/proc')

	next_data = set()

	while True:
	last_data, next_data = next_data, set()

	for proc in os.listdir():
	try:
	int(proc)
	except ValueError:
	continue

	try:
	f = open(os.path.join(proc, 'stat'), 'rb')
	except OSError:
	continue

	with f:
	data = f.read().split(b' ')
	if data[2] == b'D':
	try:
	with open(os.path.join(proc, 'cmdline'), 'rb') as f:
	cmdline = repr(f.read().rstrip(b'\x00').split(b'\x00'))
	except OSError:
	cmdline = '(Unknown)'

	v = proc, cmdline
	next_data.add(v)

	if v in last_data:
	print('PID %s: %s' % v)

	time.sleep(10)