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#!/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.
"""
Print detailed information about a process.
Author: Giampaolo Rodola' <g.rodola@gmail.com>
"""
import os
import datetime
import socket
import sys
import psutil
def convert_bytes(n):
symbols = ('K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y')
prefix = {}
for i, s in enumerate(symbols):
prefix[s] = 1 << (i+1)*10
for s in reversed(symbols):
if n >= prefix[s]:
value = float(n) / prefix[s]
return '%.1f%s' % (value, s)
return "%sB" % n
def print_(a, b):
if sys.stdout.isatty() and os.name == 'posix':
fmt = '\x1b[1;32m%-17s\x1b[0m %s' %(a, b)
else:
fmt = '%-15s %s' %(a, b)
# python 2/3 compatibility layer
sys.stdout.write(fmt + '\n')
sys.stdout.flush()
def run(pid):
ACCESS_DENIED = ''
try:
p = psutil.Process(pid)
pinfo = p.as_dict(ad_value=ACCESS_DENIED)
except psutil.NoSuchProcess:
sys.exit(str(sys.exc_info()[1]))
try:
if p.parent:
parent = '(%s)' % p.parent.name
else:
parent = ''
except psutil.Error:
parent = ''
started = datetime.datetime.fromtimestamp(pinfo['create_time']
).strftime('%Y-%M-%d %H:%M')
io = pinfo.get('io_counters', ACCESS_DENIED)
mem = '%s%% (resident=%s, virtual=%s) ' % (
round(pinfo['memory_percent'], 1),
convert_bytes(pinfo['memory_info'].rss),
convert_bytes(pinfo['memory_info'].vms))
children = p.get_children()
print_('pid', pinfo['pid'])
print_('name', pinfo['name'])
print_('exe', pinfo['exe'])
print_('parent', '%s %s' % (pinfo['ppid'], parent))
print_('cmdline', ' '.join(pinfo['cmdline']))
print_('started', started)
print_('user', pinfo['username'])
if os.name == 'posix' and pinfo['uids'] and pinfo['gids']:
print_('uids', 'real=%s, effective=%s, saved=%s' % pinfo['uids'])
if os.name == 'posix' and pinfo['gids']:
print_('gids', 'real=%s, effective=%s, saved=%s' % pinfo['gids'])
if os.name == 'posix':
print_('terminal', pinfo['terminal'] or '')
if hasattr(p, 'getcwd'):
print_('cwd', pinfo['cwd'])
print_('memory', mem)
print_('cpu', '%s%% (user=%s, system=%s)' % (pinfo['cpu_percent'],
getattr(pinfo['cpu_times'], 'user', '?'),
getattr(pinfo['cpu_times'], 'system', '?')))
print_('status', pinfo['status'])
print_('niceness', pinfo['nice'])
print_('num threads', pinfo['num_threads'])
if io != ACCESS_DENIED:
print_('I/O', 'bytes-read=%s, bytes-written=%s' % \
(convert_bytes(io.read_bytes),
convert_bytes(io.write_bytes)))
if children:
print_('children', '')
for child in children:
print_('', 'pid=%s name=%s' % (child.pid, child.name))
if pinfo['open_files'] != ACCESS_DENIED:
print_('open files', '')
for file in pinfo['open_files']:
print_('', 'fd=%s %s ' % (file.fd, file.path))
if pinfo['threads']:
print_('running threads', '')
for thread in pinfo['threads']:
print_('', 'id=%s, user-time=%s, sys-time=%s' \
% (thread.id, thread.user_time, thread.system_time))
if pinfo['connections'] != ACCESS_DENIED:
print_('open connections', '')
for conn in pinfo['connections']:
if conn.type == socket.SOCK_STREAM:
type = 'TCP'
elif conn.type == socket.SOCK_DGRAM:
type = 'UDP'
else:
type = 'UNIX'
lip, lport = conn.laddr
if not conn.raddr:
rip, rport = '*', '*'
else:
rip, rport = conn.raddr
print_('', '%s:%s -> %s:%s type=%s status=%s' \
% (lip, lport, rip, rport, type, conn.status))
def main(argv=None):
if argv is None:
argv = sys.argv
if len(argv) == 1:
sys.exit(run(os.getpid()))
elif len(argv) == 2:
sys.exit(run(int(argv[1])))
else:
sys.exit('usage: %s [pid]' % __file__)
if __name__ == '__main__':
sys.exit(main())
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