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

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Message-ID: <202002201450.A4BB99421@keescook>
Date:   Thu, 20 Feb 2020 14:51:21 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     linux-kselftest@...r.kernel.org, skhan@...uxfoundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] selftests: Install settings files to fix TIMEOUT failures

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?

-Kees

-- 
Kees Cook