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-rw-r--r--tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc7
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc
index 4c6b21e30b02..ac9ab4a12e53 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc
@@ -4,11 +4,16 @@
[ -f kprobe_events ] || exit_unsupported # this is configurable
+# Add new kretprobe event
echo 'r:testprobe2 _do_fork $retval' > kprobe_events
-grep testprobe2 kprobe_events
+grep testprobe2 kprobe_events | grep -q 'arg1=\$retval'
test -d events/kprobes/testprobe2
+
echo 1 > events/kprobes/testprobe2/enable
( echo "forked")
+
+cat trace | grep testprobe2 | grep -q '<- _do_fork'
+
echo 0 > events/kprobes/testprobe2/enable
echo '-:testprobe2' >> kprobe_events
clear_trace