Kill linux processes running more then X time

kill_long_running_processes.py

#!/usr/bin/env python
import psutil, time

max_time_from_start = 86400
parent_pid = 1 
process_name = 'java'
string_in_cmd_args = 'workspace'

for process in psutil.process_iter():
    try:
        if process.name() == process_name and process.ppid() == parent_pid:
            if any([string_in_cmd_args in arg for arg in process.cmdline()]):
                running_time = time.time() - process.create_time()
                if running_time > max_time_from_start:
                    print "going to kill " + str(process)
                    process.send_signal(9)
    except NoSuchProcess:
        pass