linux-kernel - [PATCH] kunit: kunit_tool: Fix invalid result when build fails

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Message-Id: <20200616064730.123871-1-davidgow@google.com>
Date:   Mon, 15 Jun 2020 23:47:30 -0700
From:   David Gow <davidgow@...gle.com>
To:     Brendan Higgins <brendanhiggins@...gle.com>,
        Shuah Khan <skhan@...uxfoundation.org>
Cc:     linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com,
        linux-kernel@...r.kernel.org, David Gow <davidgow@...gle.com>
Subject: [PATCH] kunit: kunit_tool: Fix invalid result when build fails

When separating out different phases of running tests[1]
(build/exec/parse/etc), the format of the KunitResult tuple changed
(adding an elapsed_time variable). This is not populated during a build
failure, causing kunit.py to crash.

This fixes [1] to probably populate the result variable, causing a
failing build to be reported properly.

[1]:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=45ba7a893ad89114e773b3dc32f6431354c465d6

Signed-off-by: David Gow <davidgow@...gle.com>
---
 tools/testing/kunit/kunit.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py
index 787b6d4ad716..f9b769f3437d 100755
--- a/tools/testing/kunit/kunit.py
+++ b/tools/testing/kunit/kunit.py
@@ -82,7 +82,9 @@ def build_tests(linux: kunit_kernel.LinuxSourceTree,
 					request.make_options)
 	build_end = time.time()
 	if not success:
-		return KunitResult(KunitStatus.BUILD_FAILURE, 'could not build kernel')
+		return KunitResult(KunitStatus.BUILD_FAILURE,
+				   'could not build kernel',
+				   build_end - build_start)
 	if not success:
 		return KunitResult(KunitStatus.BUILD_FAILURE,
 				   'could not build kernel',
-- 
2.27.0.290.gba653c62da-goog