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comparison: python/psutil/examples/process_detail.py
python/psutil/examples/process_detail.py
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:99474d7f0932 |
|---|---|
| 1 #!/usr/bin/env python | |
| 2 | |
| 3 # Copyright (c) 2009, Giampaolo Rodola'. All rights reserved. | |
| 4 # Use of this source code is governed by a BSD-style license that can be | |
| 5 # found in the LICENSE file. | |
| 6 | |
| 7 """ | |
| 8 Print detailed information about a process. | |
| 9 | |
| 10 Author: Giampaolo Rodola' <g.rodola@gmail.com> | |
| 11 """ | |
| 12 | |
| 13 import os | |
| 14 import datetime | |
| 15 import socket | |
| 16 import sys | |
| 17 | |
| 18 import psutil | |
| 19 | |
| 20 | |
| 21 def convert_bytes(n): | |
| 22 symbols = ('K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y') | |
| 23 prefix = {} | |
| 24 for i, s in enumerate(symbols): | |
| 25 prefix[s] = 1 << (i+1)*10 | |
| 26 for s in reversed(symbols): | |
| 27 if n >= prefix[s]: | |
| 28 value = float(n) / prefix[s] | |
| 29 return '%.1f%s' % (value, s) | |
| 30 return "%sB" % n | |
| 31 | |
| 32 def print_(a, b): | |
| 33 if sys.stdout.isatty() and os.name == 'posix': | |
| 34 fmt = '\x1b[1;32m%-17s\x1b[0m %s' %(a, b) | |
| 35 else: | |
| 36 fmt = '%-15s %s' %(a, b) | |
| 37 # python 2/3 compatibility layer | |
| 38 sys.stdout.write(fmt + '\n') | |
| 39 sys.stdout.flush() | |
| 40 | |
| 41 def run(pid): | |
| 42 ACCESS_DENIED = '' | |
| 43 try: | |
| 44 p = psutil.Process(pid) | |
| 45 pinfo = p.as_dict(ad_value=ACCESS_DENIED) | |
| 46 except psutil.NoSuchProcess: | |
| 47 sys.exit(str(sys.exc_info()[1])) | |
| 48 | |
| 49 try: | |
| 50 if p.parent: | |
| 51 parent = '(%s)' % p.parent.name | |
| 52 else: | |
| 53 parent = '' | |
| 54 except psutil.Error: | |
| 55 parent = '' | |
| 56 started = datetime.datetime.fromtimestamp(pinfo['create_time'] | |
| 57 ).strftime('%Y-%M-%d %H:%M') | |
| 58 io = pinfo.get('io_counters', ACCESS_DENIED) | |
| 59 mem = '%s%% (resident=%s, virtual=%s) ' % ( | |
| 60 round(pinfo['memory_percent'], 1), | |
| 61 convert_bytes(pinfo['memory_info'].rss), | |
| 62 convert_bytes(pinfo['memory_info'].vms)) | |
| 63 children = p.get_children() | |
| 64 | |
| 65 print_('pid', pinfo['pid']) | |
| 66 print_('name', pinfo['name']) | |
| 67 print_('exe', pinfo['exe']) | |
| 68 print_('parent', '%s %s' % (pinfo['ppid'], parent)) | |
| 69 print_('cmdline', ' '.join(pinfo['cmdline'])) | |
| 70 print_('started', started) | |
| 71 print_('user', pinfo['username']) | |
| 72 if os.name == 'posix' and pinfo['uids'] and pinfo['gids']: | |
| 73 print_('uids', 'real=%s, effective=%s, saved=%s' % pinfo['uids']) | |
| 74 if os.name == 'posix' and pinfo['gids']: | |
| 75 print_('gids', 'real=%s, effective=%s, saved=%s' % pinfo['gids']) | |
| 76 if os.name == 'posix': | |
| 77 print_('terminal', pinfo['terminal'] or '') | |
| 78 if hasattr(p, 'getcwd'): | |
| 79 print_('cwd', pinfo['cwd']) | |
| 80 print_('memory', mem) | |
| 81 print_('cpu', '%s%% (user=%s, system=%s)' % (pinfo['cpu_percent'], | |
| 82 getattr(pinfo['cpu_times'], 'user', '?'), | |
| 83 getattr(pinfo['cpu_times'], 'system', '?'))) | |
| 84 print_('status', pinfo['status']) | |
| 85 print_('niceness', pinfo['nice']) | |
| 86 print_('num threads', pinfo['num_threads']) | |
| 87 if io != ACCESS_DENIED: | |
| 88 print_('I/O', 'bytes-read=%s, bytes-written=%s' % \ | |
| 89 (convert_bytes(io.read_bytes), | |
| 90 convert_bytes(io.write_bytes))) | |
| 91 if children: | |
| 92 print_('children', '') | |
| 93 for child in children: | |
| 94 print_('', 'pid=%s name=%s' % (child.pid, child.name)) | |
| 95 | |
| 96 if pinfo['open_files'] != ACCESS_DENIED: | |
| 97 print_('open files', '') | |
| 98 for file in pinfo['open_files']: | |
| 99 print_('', 'fd=%s %s ' % (file.fd, file.path)) | |
| 100 | |
| 101 if pinfo['threads']: | |
| 102 print_('running threads', '') | |
| 103 for thread in pinfo['threads']: | |
| 104 print_('', 'id=%s, user-time=%s, sys-time=%s' \ | |
| 105 % (thread.id, thread.user_time, thread.system_time)) | |
| 106 if pinfo['connections'] != ACCESS_DENIED: | |
| 107 print_('open connections', '') | |
| 108 for conn in pinfo['connections']: | |
| 109 if conn.type == socket.SOCK_STREAM: | |
| 110 type = 'TCP' | |
| 111 elif conn.type == socket.SOCK_DGRAM: | |
| 112 type = 'UDP' | |
| 113 else: | |
| 114 type = 'UNIX' | |
| 115 lip, lport = conn.laddr | |
| 116 if not conn.raddr: | |
| 117 rip, rport = '*', '*' | |
| 118 else: | |
| 119 rip, rport = conn.raddr | |
| 120 print_('', '%s:%s -> %s:%s type=%s status=%s' \ | |
| 121 % (lip, lport, rip, rport, type, conn.status)) | |
| 122 | |
| 123 def main(argv=None): | |
| 124 if argv is None: | |
| 125 argv = sys.argv | |
| 126 if len(argv) == 1: | |
| 127 sys.exit(run(os.getpid())) | |
| 128 elif len(argv) == 2: | |
| 129 sys.exit(run(int(argv[1]))) | |
| 130 else: | |
| 131 sys.exit('usage: %s [pid]' % __file__) | |
| 132 | |
| 133 if __name__ == '__main__': | |
| 134 sys.exit(main()) |
