rename scripts/process_detail.py -> scripts/procinfo.py

1 files changed, 167 insertions, 0 deletions

diff --git a/scripts/procinfo.py b/scripts/procinfo.py
new file mode 100755
index 00000000..bbb0b8e4
--- /dev/null
+++ b/scripts/procinfo.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 scripts/process_detail.py
+pid               820
+name              python
+exe               /usr/bin/python2.7
+parent            29613 (bash)
+cmdline           python scripts/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())