tools/dbus-message-type.py

   1 #!/usr/bin/python
   2
   3 from bcc import BPF
   4 from time import sleep
   5 from ctypes import c_ushort, c_int, c_ulonglong
   6 from sys import argv
   7
   8 b = BPF(src_file="dbus-message-type.c")
   9
  10 b.attach_uprobe(name="gio-2.0", sym="g_dbus_connection_send_message", fn_name="g_get_message_type")
  11 #b.attach_uretprobe(name="dbus-1", sym="_dbus_header_get_message_type", fn_name="dbus_get_message_type")
  12 b.attach_uprobe(name="dbus-1", sym="_dbus_connection_message_sent_unlocked", fn_name="message_type")
  13
  14 #b.trace_print()
  15 count = 0
  16 while(1):
  17         count += 1
  18         sleep(5)
  19         print("%d:" % count)
  20         print("%20s %20s" % ("MESSAGE_TYPE", "NUMBER\n"))
  21         print("%20s %20d" % ("INVALID", b["msg_type"][0].value))
  22         print("%20s %20d" % ("METHOD_CALL", b["msg_type"][1].value))
  23         print("%20s %20d" % ("METHOD_RETURN", b["msg_type"][2].value))
  24         print("%20s %20d" % ("ERROR", b["msg_type"][3].value))
  25         print("%20s %20d" % ("SIGNAL", b["msg_type"][4].value))