linux-kernel - Re: [PATCH 04/24] selftests: cpufreq: return Kselftest Skip code for skipped tests

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Message-ID: <20180507050121.lzgjzbgsigisvgqj@vireshk-i7>
Date:   Mon, 7 May 2018 10:31:21 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     "Shuah Khan (Samsung OSG)" <shuah@...nel.org>
Cc:     rjw@...ysocki.net, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH 04/24] selftests: cpufreq: return Kselftest Skip code for
 skipped tests

On 04-05-18, 19:13, Shuah Khan (Samsung OSG) wrote:
> When cpufreq test is skipped because of unmet dependencies and/or
> unsupported configuration, it exits with error which is treated as
> a fail by the Kselftest framework. This leads to false negative
> result even when the test could not be run.
> 
> Change it to return kselftest skip code when a test gets skipped to
> clearly report that the test could not be run.
> 
> Kselftest framework SKIP code is 4 and the framework prints appropriate
> messages to indicate that the test is skipped.
> 
> Signed-off-by: Shuah Khan (Samsung OSG) <shuah@...nel.org>
> ---
>  tools/testing/selftests/cpufreq/main.sh | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/cpufreq/main.sh b/tools/testing/selftests/cpufreq/main.sh
> index d83922de9d89..31f8c9a76c5f 100755
> --- a/tools/testing/selftests/cpufreq/main.sh
> +++ b/tools/testing/selftests/cpufreq/main.sh
> @@ -13,6 +13,9 @@ SYSFS=
>  CPUROOT=
>  CPUFREQROOT=
>  
> +# Kselftest framework requirement - SKIP code is 4.
> +ksft_skip=4
> +
>  helpme()
>  {
>  	printf "Usage: $0 [-h] [-todg args]
> @@ -38,7 +41,7 @@ prerequisite()
>  
>  	if [ $UID != 0 ]; then
>  		echo $msg must be run as root >&2
> -		exit 2
> +		exit $ksft_skip
>  	fi
>  
>  	taskset -p 01 $$

Acked-by: Viresh Kumar <viresh.kumar@...aro.org>

-- 
viresh