cddl/contrib/dtracetoolkit/Examples/modcalls_example.txt

   1 The following is an example of the modcalls.d oneliner,
   2
   3
   4 Here we run it for a few seconds then hit Ctrl-C,
   5
   6    # modcalls.d
   7    dtrace: script './modcalls.d' matched 18437 probes
   8    ^C
   9
  10      ptm                                                               2
  11      mntfs                                                             2
  12      pool                                                              2
  13      kcf                                                               4
  14      pts                                                               5
  15      portfs                                                            6
  16      pset                                                              6
  17      ttcompat                                                          9
  18      ptem                                                              9
  19      devfs                                                            13
  20      ipf                                                              15
  21      namefs                                                           20
  22      ctfs                                                             22
  23      procfs                                                           22
  24      ldterm                                                           23
  25      ipgpc                                                            48
  26      sockfs                                                           58
  27      flowacct                                                         69
  28      ata                                                              70
  29      gld                                                              75
  30      rtls                                                             76
  31      specfs                                                           83
  32      ip                                                              201
  33      uhci                                                            294
  34      TS                                                              333
  35      tmpfs                                                           694
  36      doorfs                                                          897
  37      ufs                                                            1329
  38      uppc                                                           5617
  39      unix                                                          49794
  40      genunix                                                       53445
  41
  42 The output lists kernel modules, and the number of function calls for
  43 each module. For example, "rtls" - the network driver, called 76 functions.
  44
  45 This script may be useful to determine whether drivers are "thinking" when
  46 troubleshooting driver issues.
  47