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Date: Mon, 17 Feb 2020 14:27:40 +0000 From: Alan Maguire <alan.maguire@...cle.com> To: skhan@...uxfoundation.org, brendanhiggins@...gle.com, frowand.list@...il.com Cc: gregkh@...uxfoundation.org, linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org, kunit-dev@...glegroups.com, corbet@....net, linux-doc@...r.kernel.org, Alan Maguire <alan.maguire@...cle.com> Subject: [PATCH v4 kunit-next 3/3] kunit: update documentation to describe debugfs representation Documentation should describe debugfs layout and semantics. Signed-off-by: Alan Maguire <alan.maguire@...cle.com> Reviewed-by: Brendan Higgins <brendanhiggins@...gle.com> --- Documentation/dev-tools/kunit/usage.rst | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Documentation/dev-tools/kunit/usage.rst b/Documentation/dev-tools/kunit/usage.rst index 7cd56a1..816fff4 100644 --- a/Documentation/dev-tools/kunit/usage.rst +++ b/Documentation/dev-tools/kunit/usage.rst @@ -590,3 +590,16 @@ able to run one test case per invocation. .. TODO(brendanhiggins@...gle.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. -- 1.8.3.1
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