added open_namei.stp

Signed-off-by: Steve Dickson <steved@redhat.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/open_namei.stp b/open_namei.stp
new file mode 100644
index 0000000..3dda40a
--- /dev/null
+++ b/open_namei.stp
@@ -0,0 +1,18 @@
+function pname:string (name:long) %{
+	/*char *pathname = (char *)kread(&(THIS->name)); */
+
+	deref_string(THIS->__retvalue, THIS->name, MAXSTRINGLEN);
+
+	CATCH_DEREF_FAULT();
+%}
+probe kernel.function("open_namei")
+{
+	/* printf("pathname %s\n", kernel_string($pathname)); */
+	printf("pathname %s\n", pname($pathname));
+}
+probe kernel.function("open_namei").return
+{
+	printf("return %d\n", $return);
+}
+probe begin { log("starting open_namei probe") }
+probe end { log("ending open_namei probe") }