Messages in this thread Patch in this message | | | From | Alan Maguire <> | Subject | [PATCH v7 kunit-next 4/4] kunit: update documentation to describe debugfs representation | Date | Fri, 13 Mar 2020 14:44:42 +0000 |
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Documentation should describe debugfs layout and semantics.
Signed-off-by: Alan Maguire <alan.maguire@oracle.com> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Reviewed-by: Frank Rowand <frank.rowand@sony.com> --- Documentation/dev-tools/kunit/usage.rst | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/Documentation/dev-tools/kunit/usage.rst b/Documentation/dev-tools/kunit/usage.rst index 607758a..473a236 100644 --- a/Documentation/dev-tools/kunit/usage.rst +++ b/Documentation/dev-tools/kunit/usage.rst @@ -591,3 +591,17 @@ able to run one test case per invocation. .. TODO(brendanhiggins@google.com): Add an actual example of an architecture dependent KUnit test. + +KUnit debugfs representation +============================ +When kunit test suites are initialized, they create an associated directory +in /sys/kernel/debug/kunit/<test-suite>. The directory contains one file + +- results: "cat results" displays results of each test case and the results + of the entire suite for the last test run. + +The debugfs representation is primarily of use when kunit test suites are +run in a native environment, either as modules or builtin. Having a way +to display results like this is valuable as otherwise results can be +intermixed with other events in dmesg output. The maximum size of each +results file is KUNIT_LOG_SIZE bytes (defined in include/kunit/test.h). -- 1.8.3.1
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