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| author | Alan Maguire <alan.maguire@oracle.com> | 2020-03-26 15:25:10 +0100 |
|---|---|---|
| committer | Shuah Khan <skhan@linuxfoundation.org> | 2020-03-26 21:09:16 +0100 |
| commit | 32526908fe86dce55eb1af184335bdb863578eb2 (patch) | |
| tree | e188767783bad33d7a8b3ed2d834735fe22f1749 /Documentation/dev-tools/kunit/usage.rst | |
| parent | kunit: subtests should be indented 4 spaces according to TAP (diff) | |
| download | linux-32526908fe86dce55eb1af184335bdb863578eb2.tar.xz linux-32526908fe86dce55eb1af184335bdb863578eb2.zip | |
kunit: update documentation to describe debugfs representation
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>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Diffstat (limited to 'Documentation/dev-tools/kunit/usage.rst')
| -rw-r--r-- | Documentation/dev-tools/kunit/usage.rst | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/dev-tools/kunit/usage.rst b/Documentation/dev-tools/kunit/usage.rst index 607758a66a99..473a2361ec37 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). |