From: compudj <compudj@04897980-b3bd-0310-b5e0-8ef037075253>
Date: Thu, 21 Sep 2006 15:41:43 +0000 (+0000)
Subject: probe test
X-Git-Tag: v0.12.20~1358
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=3bb4bef88faa8857b10f687047932e0548f2d310;p=lttv.git

probe test

git-svn-id: http://ltt.polymtl.ca/svn@2131 04897980-b3bd-0310-b5e0-8ef037075253
---

diff --git a/tests/kernel/Makefile b/tests/kernel/Makefile
index 30bf09ef..60b38403 100644
--- a/tests/kernel/Makefile
+++ b/tests/kernel/Makefile
@@ -20,6 +20,7 @@ endif
 	#obj-m += test-printk.o
 	#obj-m += test-debugfs.o
 	obj-m += test-mark.o
+	obj-m += probe.o
 	#obj-m += marker-loader.o
 	#obj-m += test-linuxtrace.o
 else
diff --git a/tests/kernel/probe.c b/tests/kernel/probe.c
new file mode 100644
index 00000000..96d9ff4d
--- /dev/null
+++ b/tests/kernel/probe.c
@@ -0,0 +1,36 @@
+/* probe.c
+ *
+ * Loads a function at a marker call site.
+ *
+ * (C) Copyright 2006 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
+ *
+ * This file is released under the GPLv2.
+ * See the file COPYING for more details.
+ */
+
+#include <linux/marker.h>
+#include <linux/module.h>
+#include <linux/kallsyms.h>
+
+/* function to install */
+void do_mark1(const char *format, int value)
+{
+	printk("value is %d\n", value);
+}
+
+int init_module(void)
+{
+	return marker_set_probe("subsys_mark1", (marker_probe)do_mark1,
+			MARKER_CALL);
+}
+
+void cleanup_module(void)
+{
+	marker_disable_probe("subsys_mark1", (marker_probe)do_mark1,
+		MARKER_CALL);
+}
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mathieu Desnoyers");
+MODULE_DESCRIPTION("Probe");
+