Commit 1e51263e authored by Masami Hiramatsu's avatar Masami Hiramatsu Committed by Shuah Khan (Samsung OSG)
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selftests/ftrace: Improve kretprobe testcase to check log data 



Improve kretprobe testcase to check the log data correctness
and ensure the event definition is corrctly including
argument definition.

Signed-off-by: default avatarMasami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: default avatarShuah Khan (Samsung OSG) <shuah@kernel.org>
parent e42e5c46

tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc

+6 −1
Original line number Diff line number Diff line
@@ -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

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