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Diffstat (limited to 'tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc')
-rw-r--r--tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc8
1 files changed, 5 insertions, 3 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc
index 8b43c6804fc3..bcdecf80a8f1 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc
@@ -4,13 +4,15 @@
[ -f kprobe_events ] || exit_unsupported # this is configurable
-echo 0 > events/enable
-echo > kprobe_events
echo 'p:testprobe _do_fork $stack $stack0 +0($stack)' > kprobe_events
-grep testprobe kprobe_events
+grep testprobe kprobe_events | grep -q 'arg1=\$stack arg2=\$stack0 arg3=+0(\$stack)'
test -d events/kprobes/testprobe
+
echo 1 > events/kprobes/testprobe/enable
( echo "forked")
+grep testprobe trace | grep '_do_fork' | \
+ grep -q 'arg1=0x[[:xdigit:]]* arg2=0x[[:xdigit:]]* arg3=0x[[:xdigit:]]*$'
+
echo 0 > events/kprobes/testprobe/enable
echo "-:testprobe" >> kprobe_events
clear_trace
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