1 files changed, 63 insertions, 0 deletions
diff --git a/cddl/contrib/dtracetoolkit/Misc/woof.d b/cddl/contrib/dtracetoolkit/Misc/woof.d
new file mode 100755
index 000000000000..d856a09bc543
--- /dev/null
+++ b/cddl/contrib/dtracetoolkit/Misc/woof.d
@@ -0,0 +1,63 @@
+#!/usr/sbin/dtrace -s
+/*
+ * woof.d - Bark whenever new processes appear. Needs /dev/audio.
+ *          Written in DTrace (Solaris 10 3/05).
+ *
+ * $Id: woof.d 3 2007-08-01 10:50:08Z brendan $
+ *
+ * USAGE:       woof.d &
+ *
+ * SEE ALSO:    /usr/dt/bin/sdtaudiocontrol     # to set volume
+ *
+ * COPYRIGHT: Copyright (c) 2006 Brendan Gregg.
+ *
+ * CDDL HEADER START
+ *
+ *  The contents of this file are subject to the terms of the
+ *  Common Development and Distribution License, Version 1.0 only
+ *  (the "License").  You may not use this file except in compliance
+ *  with the License.
+ *
+ *  You can obtain a copy of the license at Docs/cddl1.txt
+ *  or http://www.opensolaris.org/os/licensing.
+ *  See the License for the specific language governing permissions
+ *  and limitations under the License.
+ *
+ * CDDL HEADER END
+ *
+ * 14-Aug-2006	Brendan Gregg	Created this.
+ * 14-Aug-2006	   "      "	Last update.
+ */
+
+#pragma D option quiet
+#pragma D option destructive
+#pragma D option switchrate=10hz
+
+inline int SCREEN_OUTPUT = 0;	/* Set to 1 for screen output */
+
+/* barks prevents woof.d from barking too much (up to 20 barks/second) */
+int barks;
+
+dtrace:::BEGIN
+{
+	SCREEN_OUTPUT ? trace("Beware of the dog!\n") : 1;
+}
+
+/*
+ * Call the shell to run a background audioplay command (cat > /dev/audio
+ * doesn't always work). One problem this creates is a feedback loop,
+ * where we bark at our own barks, or at other dogs barks; entertaining
+ * as this is, it can really slog the system and has been avoided by
+ * checking our ancestory.
+ */
+proc:::exec-success
+/!progenyof($pid) && barks++ < 2/
+{
+	SCREEN_OUTPUT ? trace("Woof! ") : 1;
+	system("audioplay /usr/share/audio/samples/au/bark.au &");
+}
+
+profile:::tick-10hz
+{
+	barks = 0;
+}