memory usage of some process

mem_usage.py

import psutil


for proc in psutil.process_iter():
    try:
        proc = proc.as_dict(attrs=['pid', 'name'])
    except psutil.NoSuchProcess:
        pass
    else:
        if proc['name'] == 'firefox':
            print proc
            print "mem usage ", psutil.Process(proc['pid']).get_memory_percent()

# Kill  child processes :blush: 

import psutil, os

def kill_proc_tree(pid, including_parent=True):    
    parent = psutil.Process(pid)
    for child in parent.children(recursive=True):
        child.kill()
    if including_parent:
        parent.kill()

me = os.getpid()
kill_proc_tree(me)

output :
{'pid': 2233, 'name': 'firefox'}
mem usage 8.75593977457
https://pythonhosted.org/psutil/