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authorFrank Ch. Eigler <fche@elastic.org>2008-04-24 13:55:34 -0400
committerFrank Ch. Eigler <fche@elastic.org>2008-04-24 13:55:34 -0400
commitfe44e686c32ccb684bd5ec6df57aed00532fc024 (patch)
tree260953c84c8679572d65bf83a65884050f91d2f7 /testsuite/systemtap.examples/small_demos/key.stp
parentf72154b33e67069cd7c308d24255574b9fbacb1d (diff)
parent478e10649195945adf7153fe5254932df1e2a902 (diff)
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Merge branch 'master' of ssh://sources.redhat.com/git/systemtap
* 'master' of ssh://sources.redhat.com/git/systemtap: Made kernel 2.6.25 changes in task_finder.c. Move examples to testsuite/systemtap.examples
Diffstat (limited to 'testsuite/systemtap.examples/small_demos/key.stp')
-rwxr-xr-xtestsuite/systemtap.examples/small_demos/key.stp22
1 files changed, 22 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/small_demos/key.stp b/testsuite/systemtap.examples/small_demos/key.stp
new file mode 100755
index 00000000..6d2d6c3f
--- /dev/null
+++ b/testsuite/systemtap.examples/small_demos/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_event") {
+ if ($event_type == 1 && $value) {
+ if ($event_code == 28)
+ system("play return.wav &> /dev/null")
+ else
+ system("play click.wav &> /dev/null")
+ }
+}
+
+probe begin {
+ printf("TYPEWRITER ON\n")
+}
+
+probe end {
+ printf("DONE\n")
+}