From: Brendan Higgins <brendanhiggins@google.com>
To: Randy Dunlap <rdunlap@infradead.org>
Cc: Frank Rowand <frowand.list@gmail.com>,
Greg KH <gregkh@linuxfoundation.org>,
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Subject: Re: [PATCH v18 15/19] Documentation: kunit: add documentation for KUnit
Date: Mon, 23 Sep 2019 11:06:19 -0700 [thread overview]
Message-ID: <CAFd5g45y-NWzbn8E8hUg=n4U5E+N6_4D8eCXhQ74Y0N4zqVW=w@mail.gmail.com> (raw)
In-Reply-To: <d87eba35-ae09-0c53-bbbe-51ee9dc9531f@infradead.org>
On Mon, Sep 23, 2019 at 8:48 AM Randy Dunlap <rdunlap@infradead.org> wrote:
>
> On 9/23/19 2:02 AM, Brendan Higgins wrote:
> > Add documentation for KUnit, the Linux kernel unit testing framework.
> > - Add intro and usage guide for KUnit
> > - Add API reference
> >
> > Signed-off-by: Felix Guo <felixguoxiuping@gmail.com>
> > Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
> > Cc: Jonathan Corbet <corbet@lwn.net>
> > Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
> > Reviewed-by: Stephen Boyd <sboyd@kernel.org>
> > ---
> > Documentation/dev-tools/index.rst | 1 +
> > Documentation/dev-tools/kunit/api/index.rst | 16 +
> > Documentation/dev-tools/kunit/api/test.rst | 11 +
> > Documentation/dev-tools/kunit/faq.rst | 62 +++
> > Documentation/dev-tools/kunit/index.rst | 79 +++
> > Documentation/dev-tools/kunit/start.rst | 180 ++++++
> > Documentation/dev-tools/kunit/usage.rst | 576 ++++++++++++++++++++
> > 7 files changed, 925 insertions(+)
> > create mode 100644 Documentation/dev-tools/kunit/api/index.rst
> > create mode 100644 Documentation/dev-tools/kunit/api/test.rst
> > create mode 100644 Documentation/dev-tools/kunit/faq.rst
> > create mode 100644 Documentation/dev-tools/kunit/index.rst
> > create mode 100644 Documentation/dev-tools/kunit/start.rst
> > create mode 100644 Documentation/dev-tools/kunit/usage.rst
>
>
> > diff --git a/Documentation/dev-tools/kunit/start.rst b/Documentation/dev-tools/kunit/start.rst
> > new file mode 100644
> > index 000000000000..6dc229e46bb3
> > --- /dev/null
> > +++ b/Documentation/dev-tools/kunit/start.rst
> > @@ -0,0 +1,180 @@
> > +.. SPDX-License-Identifier: GPL-2.0
> > +
> > +===============
> > +Getting Started
> > +===============
> > +
> > +Installing dependencies
> > +=======================
> > +KUnit has the same dependencies as the Linux kernel. As long as you can build
> > +the kernel, you can run KUnit.
> > +
> > +KUnit Wrapper
> > +=============
> > +Included with KUnit is a simple Python wrapper that helps format the output to
> > +easily use and read KUnit output. It handles building and running the kernel, as
> > +well as formatting the output.
> > +
> > +The wrapper can be run with:
> > +
> > +.. code-block:: bash
> > +
> > + ./tools/testing/kunit/kunit.py run
> > +
> > +Creating a kunitconfig
> > +======================
> > +The Python script is a thin wrapper around Kbuild as such, it needs to be
>
> around Kbuild. As such,
Thanks for pointing this out.
>
> > +configured with a ``kunitconfig`` file. This file essentially contains the
> > +regular Kernel config, with the specific test targets as well.
> > +
> > +.. code-block:: bash
> > +
> > + git clone -b master https://kunit.googlesource.com/kunitconfig $PATH_TO_KUNITCONFIG_REPO
> > + cd $PATH_TO_LINUX_REPO
> > + ln -s $PATH_TO_KUNIT_CONFIG_REPO/kunitconfig kunitconfig
> > +
> > +You may want to add kunitconfig to your local gitignore.
> > +
> > +Verifying KUnit Works
> > +---------------------
> > +
> > +To make sure that everything is set up correctly, simply invoke the Python
> > +wrapper from your kernel repo:
> > +
> > +.. code-block:: bash
> > +
> > + ./tools/testing/kunit/kunit.py
> > +
> > +.. note::
> > + You may want to run ``make mrproper`` first.
>
> I normally use O=builddir when building kernels.
> Does this support using O=builddir ?
Yep, it supports specifying a separate build directory.
> > +
> > +If everything worked correctly, you should see the following:
> > +
> > +.. code-block:: bash
> > +
> > + Generating .config ...
> > + Building KUnit Kernel ...
> > + Starting KUnit Kernel ...
> > +
> > +followed by a list of tests that are run. All of them should be passing.
> > +
> > +.. note::
> > + Because it is building a lot of sources for the first time, the ``Building
> > + kunit kernel`` step may take a while.
> > +
> > +Writing your first test
> > +=======================
>
> [snip]
>
> > diff --git a/Documentation/dev-tools/kunit/usage.rst b/Documentation/dev-tools/kunit/usage.rst
> > new file mode 100644
> > index 000000000000..c6e69634e274
> > --- /dev/null
> > +++ b/Documentation/dev-tools/kunit/usage.rst
>
> TBD...
What did you mean by this comment?
Cheers
next prev parent reply other threads:[~2019-09-23 18:06 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-23 9:02 [PATCH v18 00/19] kunit: introduce KUnit, the Linux kernel unit testing framework Brendan Higgins
2019-09-23 9:02 ` [PATCH v18 01/19] kunit: test: add KUnit test runner core Brendan Higgins
2019-09-23 9:02 ` [PATCH v18 02/19] kunit: test: add test resource management API Brendan Higgins
2019-09-23 9:02 ` [PATCH v18 03/19] kunit: test: add string_stream a std::stream like string builder Brendan Higgins
2019-09-23 9:02 ` [PATCH v18 04/19] kunit: test: add assertion printing library Brendan Higgins
2019-09-23 9:02 ` [PATCH v18 05/19] kunit: test: add the concept of expectations Brendan Higgins
2019-09-23 9:02 ` [PATCH v18 06/19] lib: enable building KUnit in lib/ Brendan Higgins
2019-09-23 15:35 ` Stephen Boyd
2019-09-23 9:02 ` [PATCH v18 07/19] kunit: test: add initial tests Brendan Higgins
2019-09-23 9:02 ` [PATCH v18 08/19] objtool: add kunit_try_catch_throw to the noreturn list Brendan Higgins
2019-09-23 9:02 ` [PATCH v18 09/19] kunit: test: add support for test abort Brendan Higgins
2019-09-23 9:02 ` [PATCH v18 10/19] kunit: test: add tests for kunit " Brendan Higgins
2019-09-23 9:02 ` [PATCH v18 11/19] kunit: test: add the concept of assertions Brendan Higgins
2019-09-23 9:02 ` [PATCH v18 12/19] kunit: test: add tests for KUnit managed resources Brendan Higgins
2019-09-23 9:02 ` [PATCH v18 13/19] kunit: tool: add Python wrappers for running KUnit tests Brendan Higgins
2019-09-23 9:02 ` [PATCH v18 14/19] kunit: defconfig: add defconfigs for building " Brendan Higgins
2019-09-23 9:02 ` [PATCH v18 15/19] Documentation: kunit: add documentation for KUnit Brendan Higgins
2019-09-23 15:47 ` Randy Dunlap
2019-09-23 18:06 ` Brendan Higgins [this message]
2019-09-23 19:49 ` Randy Dunlap
2019-09-23 21:18 ` shuah
2019-09-23 21:30 ` Randy Dunlap
2019-09-24 0:51 ` Randy Dunlap
2019-09-23 9:02 ` [PATCH v18 16/19] MAINTAINERS: add entry for KUnit the unit testing framework Brendan Higgins
2019-09-23 9:02 ` [PATCH v18 17/19] kernel/sysctl-test: Add null pointer test for sysctl.c:proc_dointvec() Brendan Higgins
2019-09-23 9:02 ` [PATCH v18 18/19] MAINTAINERS: add proc sysctl KUnit test to PROC SYSCTL section Brendan Higgins
2019-09-23 9:02 ` [PATCH v18 19/19] kunit: fix failure to build without printk Brendan Higgins
2019-10-04 21:38 ` [PATCH v18 00/19] kunit: introduce KUnit, the Linux kernel unit testing framework Theodore Y. Ts'o
2019-10-04 21:42 ` Linus Torvalds
2019-10-04 21:59 ` shuah
2019-10-04 22:27 ` Brendan Higgins
2019-10-04 22:47 ` shuah
2019-10-04 23:10 ` Brendan Higgins
2019-10-04 23:15 ` shuah
2019-10-04 23:29 ` Theodore Y. Ts'o
2019-10-04 23:52 ` Brendan Higgins
2019-10-04 23:57 ` shuah
2019-10-05 0:33 ` Brendan Higgins
2019-10-05 0:49 ` shuah
2019-10-05 1:18 ` Brendan Higgins
2019-10-06 16:54 ` Theodore Y. Ts'o
2019-10-06 17:18 ` Linus Torvalds
2019-10-07 8:40 ` Brendan Higgins
2019-10-07 14:42 ` shuah
2019-10-07 14:40 ` Steven Rostedt
2019-10-07 14:57 ` shuah
2019-10-07 8:20 ` Brendan Higgins
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