1 files changed, 13 insertions, 0 deletions
diff --git a/tracemarks/sys_open.tp b/tracemarks/sys_open.tp
new file mode 100644
index 0000000..b99be0e
--- /dev/null
+++ b/tracemarks/sys_open.tp
@@ -0,0 +1,13 @@
+function _d_name:string (_dentry:long) %{ /* pure */
+	struct dentry *dentry = (struct dentry *) kread(&(THIS->_dentry));
+	strlcpy(THIS->__retvalue, dentry->d_name.name, MAXSTRINGLEN);
+
+	CATCH_DEREF_FAULT();
+%}
+
+probe kernel.mark("fs_open") {
+    printf("sys_open: fd %p filename %s\n", $arg1, $arg2);
+
+}
+probe begin { log("starting fs_open probe") }
+probe end { log("ending fs_open probe") }