cddl/contrib/dtracetoolkit/Examples/pl_subcalls_example.txt

   1 The following are examples of pl_subcalls.d.
   2
   3 This is a simple script to count executed Perl subroutines. Here it traces
   4 an example program, Code/Perl/func_abc.pl.
   5
   6    # pl_subcalls.d
   7    Tracing... Hit Ctrl-C to end.
   8    ^C
   9     FILE                             SUB                                 CALLS
  10     func_abc.pl                      func_a                                  1
  11     func_abc.pl                      func_b                                  1
  12     func_abc.pl                      func_c                                  1
  13
  14 While tracing, func_a() from the program "func_abc.pl" was executed once,
  15 along with func_b() and func_c().
  16
  17
  18
  19 The following traces a Perl network interface statistics tool, "nicstat"
  20 version 0.99,
  21
  22    # pl_subcalls.d
  23    Tracing... Hit Ctrl-C to end.
  24    ^C
  25     FILE                             SUB                                 CALLS
  26     Config.pm                        DESTROY                                 1
  27     Config.pm                        TIEHASH                                 1
  28     Config.pm                        import                                  1
  29     DynaLoader.pm                    bootstrap                               1
  30     DynaLoader.pm                    dl_load_flags                           1
  31     Std.pm                           getopts                                 1
  32     nicstat                          fetch_net_data                          1
  33     nicstat                          find_nets                               1
  34     register.pm                      import                                  1
  35     warnings.pm                      BEGIN                                   1
  36     Config.pm                        BEGIN                                   2
  37     DynaLoader.pm                    BEGIN                                   2
  38     Exporter.pm                      import                                  2
  39     register.pm                      mkMask                                  2
  40     vars.pm                          import                                  2
  41     Kstat.pm                         BEGIN                                   3
  42     nicstat                          BEGIN                                   3
  43     vars.pm                          BEGIN                                   3
  44     Config.pm                        FETCH                                   4
  45     strict.pm                        unimport                                4
  46     strict.pm                        import                                  5
  47     AutoLoader.pm                    BEGIN                                   6
  48     strict.pm                        bits                                    6
  49     nicstat                          print_neat                             18
  50
  51 The number of subroutines called by nicstat can be seen above, which includes
  52 subroutines from libraries and modules that the program used.
  53