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authorDavid Gow <davidgow@google.com>2021-08-03 22:08:08 -0700
committerShuah Khan <skhan@linuxfoundation.org>2021-08-13 13:38:31 -0600
commitacd8e8407b8fcc3229d6d8558cac338bea801aed (patch)
tree4cd3f555d4238ad4345fb9633d4bb2e2953fcca3 /security
parent6a499c9c42d039ce9341a0c655a76c8dd56f0578 (diff)
kunit: Print test statistics on failure
When a number of tests fail, it can be useful to get higher-level statistics of how many tests are failing (or how many parameters are failing in parameterised tests), and in what cases or suites. This is already done by some non-KUnit tests, so add support for automatically generating these for KUnit tests. This change adds a 'kunit.stats_enabled' switch which has three values: - 0: No stats are printed (current behaviour) - 1: Stats are printed only for tests/suites with more than one subtest (new default) - 2: Always print test statistics For parameterised tests, the summary line looks as follows: " # inode_test_xtimestamp_decoding: pass:16 fail:0 skip:0 total:16" For test suites, there are two lines looking like this: "# ext4_inode_test: pass:1 fail:0 skip:0 total:1" "# Totals: pass:16 fail:0 skip:0 total:16" The first line gives the number of direct subtests, the second "Totals" line is the accumulated sum of all tests and test parameters. This format is based on the one used by kselftest[1]. [1]: https://elixir.bootlin.com/linux/latest/source/tools/testing/selftests/kselftest.h#L109 Signed-off-by: David Gow <davidgow@google.com> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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