From e4aab7c771fe2b08454c6c61a7887b0146f28f70 Mon Sep 17 00:00:00 2001 From: hunt Date: Thu, 9 Mar 2006 20:01:16 +0000 Subject: 2006-03-09 Martin Hunt * key.stp: Toy example. * prof.stp: Example profiler. * top.stp: Print the top 20 syscalls. --- examples/key.stp | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100755 examples/key.stp (limited to 'examples/key.stp') 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") +} -- cgit