linux-kernel - Re: [PATCH] selftests: Install settings files to fix TIMEOUT failures

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Date:   Thu, 20 Feb 2020 15:54:54 -0700
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Kees Cook <keescook@...omium.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH] selftests: Install settings files to fix TIMEOUT failures

On 2/20/20 3:51 PM, Kees Cook wrote:
> On Thu, Feb 20, 2020 at 03:42:41PM +1100, Michael Ellerman wrote:
>> Commit 852c8cbf34d3 ("selftests/kselftest/runner.sh: Add 45 second
>> timeout per test") added a 45 second timeout for tests, and also added
>> a way for tests to customise the timeout via a settings file.
>>
>> For example the ftrace tests take multiple minutes to run, so they
>> were given longer in commit b43e78f65b1d ("tracing/selftests: Turn off
>> timeout setting").
>>
>> This works when the tests are run from the source tree. However if the
>> tests are installed with "make -C tools/testing/selftests install",
>> the settings files are not copied into the install directory. When the
>> tests are then run from the install directory the longer timeouts are
>> not applied and the tests timeout incorrectly.
> 
> Eek, yes, nice catch.
> 
>> So add the settings files to TEST_FILES of the appropriate Makefiles
>> to cause the settings files to be installed using the existing install
>> logic.
> 
> Instead, shouldn't lib.mk "notice" the settings file and automatically
> include it in TEST_FILES instead of having to do this in each separate
> Makefile?
> 

Let's keep it custom per test for now.

thanks,
-- Shuah