linux-hardening - [RFC v1 5/6] kunit: memcpy: Mark tests as slow using test attributes

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Date:   Sat, 10 Jun 2023 00:51:48 +0000
From:   Rae Moar <rmoar@...gle.com>
To:     shuah@...nel.org, davidgow@...gle.com, dlatypov@...gle.com,
        brendan.higgins@...ux.dev
Cc:     linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com,
        linux-kernel@...r.kernel.org, keescook@...omium.org,
        linux-hardening@...r.kernel.org, jstultz@...gle.com,
        tglx@...utronix.de, sboyd@...nel.org, Rae Moar <rmoar@...gle.com>
Subject: [RFC v1 5/6] kunit: memcpy: Mark tests as slow using test attributes

Mark slow memcpy KUnit tests using test attributes.

Tests marked as slow are as follows: memcpy_large_test, memmove_test,
memmove_large_test, and memmove_overlap_test.

These tests were the slowest of the memcpy tests and relatively slower to
most other KUnit tests. Most of these tests are already skipped when
CONFIG_MEMCPY_SLOW_KUNIT_TEST is not enabled.

These tests can now be filtered on using the KUnit test attribute filtering
feature. Example: --filter "speed>slow". This will run only the tests that
have speeds faster than slow. The slow attribute will also be outputted in
KTAP.

Signed-off-by: Rae Moar <rmoar@...gle.com>
---
 lib/memcpy_kunit.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/memcpy_kunit.c b/lib/memcpy_kunit.c
index 887926f04731..440aee705ccc 100644
--- a/lib/memcpy_kunit.c
+++ b/lib/memcpy_kunit.c
@@ -551,10 +551,10 @@ static void strtomem_test(struct kunit *test)
 static struct kunit_case memcpy_test_cases[] = {
 	KUNIT_CASE(memset_test),
 	KUNIT_CASE(memcpy_test),
-	KUNIT_CASE(memcpy_large_test),
-	KUNIT_CASE(memmove_test),
-	KUNIT_CASE(memmove_large_test),
-	KUNIT_CASE(memmove_overlap_test),
+	KUNIT_CASE_SLOW(memcpy_large_test),
+	KUNIT_CASE_SLOW(memmove_test),
+	KUNIT_CASE_SLOW(memmove_large_test),
+	KUNIT_CASE_SLOW(memmove_overlap_test),
 	KUNIT_CASE(strtomem_test),
 	{}
 };
-- 
2.41.0.162.gfafddb0af9-goog