linux-kernel - [PATCH v3 1/5] selftests: ftrace: Do not failure if there is unsupported tests

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Date:   Thu,  6 Jul 2017 18:07:41 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     linux-kselftest@...r.kernel.org, shuah@...nel.org,
        Steven Rostedt <rostedt@...dmis.org>
Cc:     mhiramat@...nel.org, Ingo Molnar <mingo@...hat.com>,
        linux-kernel@...r.kernel.org, naresh.kamboju@...aro.org
Subject: [PATCH v3 1/5] selftests: ftrace: Do not failure if there is unsupported tests

Do not return failure exit code (1) for unsupported testcases,
since it is expected for stable kernels.

Previously, ftracetest is expected to run only on current
release for avoiding regressions. However, nowadays we run
it on stable kernels. This means some test cases must return
unsupported result. In such case, we should NOT exit
ftracetest with error status for unsupported results so that
kselftest (upper tests wrapper) shows it passed correctly.

Note that we continue to treat unresolved results as failure,
if test writers would like to notice user that the test result
should be reviewed, they can use exit_unresolved.

Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
---
 tools/testing/selftests/ftrace/ftracetest |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/ftrace/ftracetest b/tools/testing/selftests/ftrace/ftracetest
index 14a03ea..290cd42 100755
--- a/tools/testing/selftests/ftrace/ftracetest
+++ b/tools/testing/selftests/ftrace/ftracetest
@@ -187,7 +187,7 @@ eval_result() { # sigval
     $UNSUPPORTED)
       prlog "	[UNSUPPORTED]"
       UNSUPPORTED_CASES="$UNSUPPORTED_CASES $CASENO"
-      return 1 # this is not a bug, but the result should be reported.
+      return 0 # this is not a bug.
     ;;
     $XFAIL)
       prlog "	[XFAIL]"