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-rw-r--r--tools/testing/selftests/ftrace/test.d/functions2
-rw-r--r--tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc10
2 files changed, 11 insertions, 1 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions
index 1d96c5f7e402..86986c4bba54 100644
--- a/tools/testing/selftests/ftrace/test.d/functions
+++ b/tools/testing/selftests/ftrace/test.d/functions
@@ -115,7 +115,7 @@ ftrace_errlog_check() { # err-prefix command-with-error-pos-by-^ command-file
command=$(echo "$2" | tr -d ^)
echo "Test command: $command"
echo > error_log
- (! echo "$command" > "$3" ) 2> /dev/null
+ (! echo "$command" >> "$3" ) 2> /dev/null
grep "$1: error:" -A 3 error_log
N=$(tail -n 1 error_log | wc -c)
# " Command: " and "^\n" => 13
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
index aa59944bcace..39ef7ac1f51c 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
@@ -87,4 +87,14 @@ case $(uname -m) in
;;
esac
+# multiprobe errors
+if grep -q "Create/append/" README && grep -q "imm-value" README; then
+echo 'p:kprobes/testevent _do_fork' > kprobe_events
+check_error '^r:kprobes/testevent do_exit' # DIFF_PROBE_TYPE
+echo 'p:kprobes/testevent _do_fork abcd=\1' > kprobe_events
+check_error 'p:kprobes/testevent _do_fork ^bcd=\1' # DIFF_ARG_TYPE
+check_error 'p:kprobes/testevent _do_fork ^abcd=\1:u8' # DIFF_ARG_TYPE
+check_error 'p:kprobes/testevent _do_fork ^abcd=\"foo"' # DIFF_ARG_TYPE
+fi
+
exit 0