Attachment 103354 Details for Bug 81043 – memory.py

memory.py

memory.py (text/plain), 2.45 KB, created by Alban Crequy on 2014-07-23 18:14:59 UTC

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Creator: Alban Crequy

Created: 2014-07-23 18:14:59 UTC

Size: 2.45 KB

patch

obsolete

>#!/usr/bin/env python
>
>import sys
>import argparse
>import dbus
>
>def get_cmdline(pid):
>  cmdline = ''
>  if pid > 0:
>    try:
>      procpath = '/proc/' + str(pid) + '/cmdline'
>      with open(procpath, 'r') as f:
>        cmdline = " ".join(f.readline().split('\0'))
>    except:
>      pass
>  return cmdline
>
># Parsing parameters
>
>parser = argparse.ArgumentParser(description='Getting some D-Bus memory infos')
>parser.add_argument('--session', help='session bus', action="store_true")
>parser.add_argument('--system', help='system bus', action="store_true")
>args = parser.parse_args()
>
>if args.system and args.session:
>  parser.print_help()
>  sys.exit(1)
>
># Fetch data from the bus driver
>
>if args.system:
>  bus = dbus.SystemBus()
>else:
>  bus = dbus.SessionBus()
>
>remote_object = bus.get_object("org.freedesktop.DBus",
>                               "/org/freedesktop/DBus")
>bus_iface = dbus.Interface(remote_object, "org.freedesktop.DBus")
>stats_iface = dbus.Interface(remote_object, "org.freedesktop.DBus.Debug.Stats")
>
>names = bus_iface.ListNames()
>unique_names = [ a for a in names if a.startswith(":") ]
>pids = dict((name, bus_iface.GetConnectionUnixProcessID(name)) for name in unique_names)
>cmds = dict((name, get_cmdline(pids[name])) for name in unique_names)
>well_known_names = [ a for a in names if a not in unique_names ]
>owners = dict((wkn, bus_iface.GetNameOwner(wkn)) for wkn in well_known_names)
>
>def get_stats(conn):
>  stats = None
>  try:
>    stats = stats_iface.GetConnectionStats(conn)
>  except:
>    # failed: did you enable the Stats interface? (compilation option: --enable-stats)
>    # https://bugs.freedesktop.org/show_bug.cgi?id=80759 would be nice too
>    pass
>  return stats
>
>stats = dict((name,
>              dict({
>                'wkn': [k for k, v in owners.items() if v == name],
>                'pid': pids[name],
>                'cmd': cmds[name] or "",
>                'stats': get_stats(name),
>              })
>             ) for name in unique_names)
>
>
>for name in stats:
>  print("Connection %s with pid %d '%s' (%s):"
>        % (name, stats[name]['pid'], stats[name]['cmd'],
>           ' '.join(stats[name]['wkn'])))
>  if stats[name]['stats'] is not None:
>    print("\tIncomingBytes=%s" % (stats[name]['stats']['IncomingBytes']))
>    print("\tPeakIncomingBytes=%s" % (stats[name]['stats']['PeakIncomingBytes']))
>    print("\tOutgoingBytes=%s" % (stats[name]['stats']['OutgoingBytes']))
>    print("\tPeakOutgoingBytes=%s" % (stats[name]['stats']['PeakOutgoingBytes']))
>  print("")
>

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Attachments on bug 81043: 103354 | 103382

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