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#!/usr/bin/env python
#
# $Id$
#
# Copyright (c) 2009, Jay Loden, 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.
"""
import os
import datetime
import socket
import sys
import psutil
def convert_bytes(n):
if n == 0:
return '0B'
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 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)
print fmt
def run(pid):
p = psutil.Process(pid)
if p.parent:
parent = '(%s)' % p.parent.name
else:
parent = ''
started = datetime.datetime.fromtimestamp(p.create_time).strftime('%Y-%M-%d %H:%M')
if hasattr(p, 'get_io_counters'):
io = p.get_io_counters()
mem = p.get_memory_info()
mem = '%s%% (resident=%s, virtual=%s) ' %(round(p.get_memory_percent(), 1),
convert_bytes(mem.rss),
convert_bytes(mem.vms))
cpu_times = p.get_cpu_times()
cpu_percent = p.get_cpu_percent(0)
children = p.get_children()
files = p.get_open_files()
threads = p.get_threads()
connections = p.get_connections()
print_('pid', p.pid)
print_('name', p.name)
print_('exe', p.exe)
print_('parent', '%s %s' % (p.ppid, parent))
print_('cmdline', ' '.join(p.cmdline))
print_('started', started)
print_('user', p.username)
if os.name == 'posix':
print_('uids', 'real=%s, effective=%s, saved=%s' % p.uids)
print_('gids', 'real=%s, effective=%s, saved=%s' % p.gids)
print_('terminal', p.terminal or '')
if hasattr(p, 'getcwd'):
print_('cwd', p.getcwd())
print_('memory', mem)
print_('cpu', '%s%% (user=%s, system=%s)' % (cpu_percent,
cpu_times.user,
cpu_times.system))
print_('status', p.status)
print_('niceness', p.nice)
print_('num threads', p.get_num_threads())
if hasattr(p, 'get_io_counters'):
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 files:
print_('open files', '')
for file in files:
print_('', 'fd=%s %s ' % (file.fd, file.path))
if threads:
print_('running threads', '')
for thread in threads:
print_('', 'id=%s, user-time=%s, sys-time=%s' \
% (thread.id, thread.user_time, thread.system_time))
if connections:
print_('open connections', '')
for conn in connections:
if conn.type == socket.SOCK_STREAM:
type = 'TCP'
elif conn.type == socket.SOCK_DGRAM:
type = 'UDP'
else:
type = 'UNIX'
lip, lport = conn.local_address
if not conn.remote_address:
rip, rport = '*', '*'
else:
rip, rport = conn.remote_address
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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