cddl/contrib/dtracetoolkit/Examples/wpm_example.txt

   1 The following is an example of the wpm.d script.
   2
   3
   4 This script takes the name of a program to trace, and assumes that reads
   5 on file descriptor zero (STDIN) are keystrokes.
   6
   7 When run, a 5 second count down begins before keystrokes are measured,
   8
   9    # wpm.d vim
  10    Measuring will start in :  5 seconds
  11
  12 While running, I retyped the first three sentences of this file a few times
  13 which clocked the following result,
  14
  15    # wpm.d vim
  16    Measuring will start in :  0 seconds
  17    Measuring will stop in  :  0 seconds
  18
  19    Characters typed : 509
  20    Words per minute : 84
  21
  22    Minimum keystroke latency : 12 ms
  23    Average keystroke latency : 118 ms
  24    Maximum keystroke latency : 493 ms
  25
  26    Word size distribution (letters),
  27
  28               value  ------------- Distribution ------------- count
  29                   0 |                                         0
  30                   1 |@@@                                      6
  31                   2 |@@@@@                                    11
  32                   3 |@@@@@                                    11
  33                   4 |@@@@@@                                   13
  34                   5 |@@@@                                     8
  35                   6 |@@@@@@                                   12
  36                   7 |@@@@@                                    11
  37                   8 |                                         0
  38                   9 |@@                                       4
  39                  10 |@                                        3
  40                  11 |@                                        2
  41                  12 |                                         0
  42                  13 |                                         0
  43                  14 |                                         1
  44                  15 |                                         0
  45
  46    Keystroke latency distribution (ms),
  47
  48               value  ------------- Distribution ------------- count
  49                   4 |                                         0
  50                   8 |                                         1
  51                  16 |                                         5
  52                  32 |@@@@@                                    66
  53                  64 |@@@@@@@@@@@@@@@@@@@@                     247
  54                 128 |@@@@@@@@@@@@@                            167
  55                 256 |@                                        16
  56                 512 |                                         0
  57