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From: shuah <shuah@kernel.org>
To: Yauheni Kaliuta <yauheni.kaliuta@redhat.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>,
	"open list:KERNEL SELFTEST FRAMEWORK" 
	<linux-kselftest@vger.kernel.org>, bpf <bpf@vger.kernel.org>,
	shuah <shuah@kernel.org>
Subject: Re: kselftest OOT run_tests
Date: Wed, 27 May 2020 15:46:12 -0600	[thread overview]
Message-ID: <788d61a2-8471-a6b2-8ab6-d4af386c2884@kernel.org> (raw)
In-Reply-To: <CANoWswn-onWmBG4KVzqNj3mtmRcUw1Fp5HD9Od05wYqTYYcPcg@mail.gmail.com>

On 5/27/20 12:40 PM, Yauheni Kaliuta wrote:
> On Wed, May 27, 2020 at 9:22 PM shuah <shuah@kernel.org> wrote:
>>
>> On 5/27/20 1:30 AM, Yauheni Kaliuta wrote:
>>> Hi, shuah!
>>>
>>>>>>>> On Tue, 26 May 2020 11:13:29 -0600, shuah   wrote:
>>>
>>>    > On 5/25/20 7:55 AM, Yauheni Kaliuta wrote:
>>>    >> Hi!
>>>    >>
>>>    >> I'm wondering how out of tree check is supposed to work for make
>>>    >> O=dir run_tests from selftests (or make -C ...) directory?
>>>    >>
>>>    >> (both with 051f278e9d81 ("kbuild: replace KBUILD_SRCTREE with
>>>    >> boolean building_out_of_srctree") and without)
>>>    >>
>>>    >> make M= ... does not work with run_tests.
>>>    >>
>>>
>>>    > Kselftests run_tests target isn't intended for building and
>>>    > running tests OOT.
>>>
>>> But there is code there trying to handle it. All that OUTPUT
>>> related things must be removed if it's broken, right? Can I post
>>> a patch?
>>>
>>>    > Also make M= doesn't make sense for them.
>>>
>>> Well, M=... at least includes all the makefiles.
>>>
>>>    > There is no support to build OOT at the moment. I would like
>>>    > to get a better understanding of your use-case. Can you
>>>    > elaborate?
>>>
>>> I care about make install actually. But fixing it I had to deal
>>> with OUTPUT. Looking a proper for that I found that it's a bit
>>> broken.
>>>
>>>
>>
>> kselftest supports install of all all tests and a sub-set of tests
>> both native and cross-builds.
>>
>> Simple case:
>> If you want to build all tests and install to $HOME/install/
>> This has a dependency on kernel being built in the source repo
>> you are running the following install command from:
>>
>> In Kernel source root dir run:
>> make kselftest-install O=$HOME/install
>>
>> You will find installed tests with run script to run them all
>> under $HOME/install/kselftest/kselftest_install/
>>
>> If you run run_kselftest.sh under kselftest_install, it will run
>> all the tests.
>>
>> You can use TARGETS var to build a sub-set of tests.
>>
>> In Kernel source root dir run:
>> make kselftest-install TARGETS=bpf O=$HOME/install
>>
> 
> Have you tried it with the recent bpf tree? ;)
>  > (BTW, it is a bit misleading, it's building there, not installing).
> 

It doesn't build for me on Linux 5.7-rc7 - install is another story

bpf install through kselftest-install hasn't been working for a
while.

bpf test has dependency bpftool and its Makefile is more complex
as a result.


thanks,
-- Shuah







      reply	other threads:[~2020-05-27 21:46 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-25 13:55 Yauheni Kaliuta
2020-05-26 17:13 ` shuah
2020-05-26 20:40   ` Joe Lawrence
2020-05-27  7:34     ` Yauheni Kaliuta
2020-05-27  7:30   ` Yauheni Kaliuta
2020-05-27 18:22     ` shuah
2020-05-27 18:40       ` Yauheni Kaliuta
2020-05-27 21:46         ` shuah [this message]

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