diff options
Diffstat (limited to 'examples/key.stp')
-rwxr-xr-x | examples/key.stp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/examples/key.stp b/examples/key.stp new file mode 100755 index 00000000..6334cbbf --- /dev/null +++ b/examples/key.stp @@ -0,0 +1,22 @@ +#! /usr/bin/env stap + +# Useless, but amusing. Based on an idea I saw on a +# dtrace site. (wav files are from emacs). + +// KEY_ENTER = 28 +probe kernel.function("kbd_keycode") { + if ($down) { + if ($keycode == 28) + system("play return.wav") + else + system("play click.wav") + } +} + +probe begin { + printf("TYPEWRITER ON\n") +} + +probe end { + printf("DONE\n") +} |