linux-kernel - Re: [PATCH 0/6] Fix nits in the kunit

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Date:   Mon, 2 Dec 2019 23:00:25 -0800
From:   Brendan Higgins <brendanhiggins@...gle.com>
To:     SeongJae Park <sj38.park@...il.com>
Cc:     shuah@...nel.org, corbet@....net, linux-kselftest@...r.kernel.org,
        kunit-dev@...glegroups.com, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, SeongJae Park <sjpark@...zon.de>
Subject: Re: [PATCH 0/6] Fix nits in the kunit

On Mon, Dec 02, 2019 at 08:25:18AM +0900, SeongJae Park wrote:
> From: SeongJae Park <sjpark@...zon.de>
> 
> This patchset contains trivial fixes for the kunit documentations and the
> wrapper python scripts.
> 
> SeongJae Park (6):
>   docs/kunit/start: Use in-tree 'kunit_defconfig'
>   docs/kunit/start: Skip wrapper run command
>   kunit: Remove duplicated defconfig creation
>   kunit: Create default config in 'build_dir'
>   kunit: Place 'test.log' under the 'build_dir'
>   kunit: Rename 'kunitconfig' to '.kunitconfig'
> 
>  Documentation/dev-tools/kunit/start.rst | 19 +++++--------------
>  tools/testing/kunit/kunit.py            | 10 ++++++----
>  tools/testing/kunit/kunit_kernel.py     |  6 +++---
>  3 files changed, 14 insertions(+), 21 deletions(-)

I applied your patchset to torvalds/master, ran the command:

tools/testing/kunit/kunit.py run --timeout=60 --jobs=8 --defconfig --build_dir=.kunit

and got the error:

Traceback (most recent call last):
  File "tools/testing/kunit/kunit.py", line 140, in <module>
    main(sys.argv[1:])
  File "tools/testing/kunit/kunit.py", line 123, in main
    create_default_kunitconfig()
  File "tools/testing/kunit/kunit.py", line 36, in create_default_kunitconfig
    kunit_kernel.KUNITCONFIG_PATH)
  File "/usr/lib/python3.7/shutil.py", line 121, in copyfile
    with open(dst, 'wb') as fdst:
FileNotFoundError: [Errno 2] No such file or directory: '.kunit/.kunitconfig'

It seems that it expects the build_dir to already exist; however, I
don't think this is clear from the error message. Would you mind
addressing that here?

Cheers!