processes.py

import os

from twisted.internet.defer import succeed

class Processes:
    def __init__(self, proc_dir="/proc"):
        self._proc_dir = proc_dir

def register(self, sysinfo):
        self._sysinfo = sysinfo

def run(self):
        num_processes = 0
        num_zombies = 0
        for pid in os.listdir(self._proc_dir):
            if not pid.isdigit():
                continue
            status_path = os.path.join(self._proc_dir, pid, "stat")

try:
                with open(status_path, "rb") as fd:
                    data = fd.read()
            except IOError:
                continue

num_processes += 1

if b"Z" == data.split(b" ", 3)[2]:
                num_zombies += 1

if num_zombies:
            if num_zombies == 1:
                msg = "There is 1 zombie process."
            else:
                msg = f"There are {num_zombies:d} zombie processes."
            self._sysinfo.add_note(msg)
        self._sysinfo.add_header("Processes", str(num_processes))
        return succeed(None)

docroot: /var/www/469ed2f6-4d4b-4a8a-9f5e-ee4ef04d3bc8/public_html

curdir: /usr/lib/python3/dist-packages/landscape/sysinfo

	.	4096
	..	4096
X	__init__.py	0
	__pycache__	4096
X	deployment.py	5323
X	disk.py	2661
X	landscapelink.py	337
X	load.py	300
X	loggedinusers.py	489
X	memory.py	609
X	network.py	1810
X	processes.py	1063
X	sysinfo.py	9977
X	temperature.py	792
X	testplugin.py	532