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Diffstat (limited to 'python/psutil/examples/process_detail.py')
| -rwxr-xr-x | python/psutil/examples/process_detail.py | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/python/psutil/examples/process_detail.py b/python/psutil/examples/process_detail.py new file mode 100755 index 000000000..e20371aef --- /dev/null +++ b/python/psutil/examples/process_detail.py @@ -0,0 +1,167 @@ +#!/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> + +$ python examples/process_detail.py +pid 820 +name python +exe /usr/bin/python2.7 +parent 29613 (bash) +cmdline python examples/process_detail.py +started 2014-41-27 03:41 +user giampaolo +uids real=1000, effective=1000, saved=1000 +gids real=1000, effective=1000, saved=1000 +terminal /dev/pts/17 +cwd /ssd/svn/psutil +memory 0.1% (resident=10.6M, virtual=58.5M) +cpu 0.0% (user=0.09, system=0.0) +status running +niceness 0 +num threads 1 +I/O bytes-read=0B, bytes-written=0B +open files +running threads id=820, user-time=0.09, sys-time=0.0 +""" + +import datetime +import os +import socket +import sys + +import psutil + + +POSIX = os.name == 'posix' + + +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 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 as err: + sys.exit(str(err)) + + try: + parent = p.parent() + if parent: + parent = '(%s)' % parent.name() + else: + parent = '' + except psutil.Error: + parent = '' + if pinfo['create_time'] != ACCESS_DENIED: + started = datetime.datetime.fromtimestamp( + pinfo['create_time']).strftime('%Y-%m-%d %H:%M') + else: + started = ACCESS_DENIED + io = pinfo.get('io_counters', ACCESS_DENIED) + if pinfo['memory_info'] != 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)) + else: + mem = ACCESS_DENIED + children = p.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 POSIX and pinfo['uids'] and pinfo['gids']: + print_('uids', 'real=%s, effective=%s, saved=%s' % pinfo['uids']) + if POSIX and pinfo['gids']: + print_('gids', 'real=%s, effective=%s, saved=%s' % pinfo['gids']) + if POSIX: + print_('terminal', pinfo['terminal'] or '') + 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'] not in (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()) |