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| author | Alan Maguire <alan.maguire@oracle.com> | 2020-01-06 23:28:23 +0100 |
|---|---|---|
| committer | Shuah Khan <skhan@linuxfoundation.org> | 2020-01-10 00:44:10 +0100 |
| commit | 6ae2bfd3df06b59aa1b15e25b9656900b15a8880 (patch) | |
| tree | 1b19b7fba94a43a25f4f575f087303057c0f7d0a /Documentation/dev-tools/kunit | |
| parent | kunit: allow kunit to be loaded as a module (diff) | |
| download | linux-6ae2bfd3df06b59aa1b15e25b9656900b15a8880.tar.xz linux-6ae2bfd3df06b59aa1b15e25b9656900b15a8880.zip | |
kunit: update documentation to describe module-based build
Documentation should describe how to build kunit and tests as
modules.
Co-developed-by: Knut Omang <knut.omang@oracle.com>
Signed-off-by: Knut Omang <knut.omang@oracle.com>
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Diffstat (limited to 'Documentation/dev-tools/kunit')
| -rw-r--r-- | Documentation/dev-tools/kunit/faq.rst | 3 | ||||
| -rw-r--r-- | Documentation/dev-tools/kunit/index.rst | 3 | ||||
| -rw-r--r-- | Documentation/dev-tools/kunit/usage.rst | 16 |
3 files changed, 21 insertions, 1 deletions
diff --git a/Documentation/dev-tools/kunit/faq.rst b/Documentation/dev-tools/kunit/faq.rst index bf2095112d89..ea55b2467653 100644 --- a/Documentation/dev-tools/kunit/faq.rst +++ b/Documentation/dev-tools/kunit/faq.rst @@ -29,7 +29,8 @@ Yes, well, mostly. For the most part, the KUnit core framework (what you use to write the tests) can compile to any architecture; it compiles like just another part of the -kernel and runs when the kernel boots. However, there is some infrastructure, +kernel and runs when the kernel boots, or when built as a module, when the +module is loaded. However, there is some infrastructure, like the KUnit Wrapper (``tools/testing/kunit/kunit.py``) that does not support other architectures. diff --git a/Documentation/dev-tools/kunit/index.rst b/Documentation/dev-tools/kunit/index.rst index c60d760a0eed..d16a4d2c3a41 100644 --- a/Documentation/dev-tools/kunit/index.rst +++ b/Documentation/dev-tools/kunit/index.rst @@ -49,6 +49,9 @@ to a standalone program that can be run like any other program directly inside of a host operating system; to be clear, it does not require any virtualization support; it is just a regular program. +Alternatively, kunit and kunit tests can be built as modules and tests will +run when the test module is loaded. + KUnit is fast. Excluding build time, from invocation to completion KUnit can run several dozen tests in only 10 to 20 seconds; this might not sound like a big deal to some people, but having such fast and easy to run tests fundamentally diff --git a/Documentation/dev-tools/kunit/usage.rst b/Documentation/dev-tools/kunit/usage.rst index b9a065ab681e..7cd56a1993b1 100644 --- a/Documentation/dev-tools/kunit/usage.rst +++ b/Documentation/dev-tools/kunit/usage.rst @@ -539,6 +539,22 @@ Interspersed in the kernel logs you might see the following: Congratulations, you just ran a KUnit test on the x86 architecture! +In a similar manner, kunit and kunit tests can also be built as modules, +so if you wanted to run tests in this way you might add the following config +options to your ``.config``: + +.. code-block:: none + + CONFIG_KUNIT=m + CONFIG_KUNIT_EXAMPLE_TEST=m + +Once the kernel is built and installed, a simple + +.. code-block:: bash + modprobe example-test + +...will run the tests. + Writing new tests for other architectures ----------------------------------------- |