---

yaml
---
r: 178063
b: refs/heads/master
c: 96c9661
h: refs/heads/master
i:
  178061: 9c91402
  178059: 0f4a7cf
  178055: 1584eed
  178047: cffdf18
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 27f3b24de03fc7cec6f2406f8525ad18086c2121
+refs/heads/master: 96c96612e952f63cc0055db9df7d8b5b1ada02be

trunk/tools/perf/builtin-probe.c

@@ -38,6 +38,7 @@
 #include "util/strlist.h"
 #include "util/event.h"
 #include "util/debug.h"
+#include "util/debugfs.h"
 #include "util/symbol.h"
 #include "util/thread.h"
 #include "util/session.h"
@@ -205,6 +206,9 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used)
 	if ((!session.nr_probe && !session.dellist && !session.list_events))
 		usage_with_options(probe_usage, options);
 
+	if (debugfs_valid_mountpoint(debugfs_path) < 0)
+		die("Failed to find debugfs path.");
+
 	if (session.list_events) {
 		if (session.nr_probe != 0 || session.dellist) {
 			pr_warning("  Error: Don't use --list with"