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SubjectRe: [PATCH] selftests: intel_pstate: compile programs if executable not found
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Hi Naresh,

On 09/14/2017 04:51 AM, naresh.kamboju@linaro.org wrote:
> From: Naresh Kamboju <naresh.kamboju@linaro.org>
>
> Test exit due to aperf.c: No such file or directory
> ./run.sh
> gcc: error: aperf.c: No such file or directory
> Problem compiling aperf.c.
>

Please give me more details on where do you see this problem?
I don't think the below is the right fix. It adds checks for
executables and they doesn't exist, goes and tries to build.

> The Makefile installs executable programs "aperf" and "msr"
> so skip compile on target.
>
> Signed-off-by: Naresh Kamboju <naresh.kamboju@linaro.org>
> ---
> tools/testing/selftests/intel_pstate/run.sh | 15 ++++++++++-----
> 1 file changed, 10 insertions(+), 5 deletions(-)
>
> diff --git a/tools/testing/selftests/intel_pstate/run.sh b/tools/testing/selftests/intel_pstate/run.sh
> index 7868c106b8b1..2149b9b5876a 100755
> --- a/tools/testing/selftests/intel_pstate/run.sh
> +++ b/tools/testing/selftests/intel_pstate/run.sh
> @@ -31,11 +31,16 @@ EVALUATE_ONLY=0
>
> max_cpus=$(($(nproc)-1))
>
> -# compile programs
> -gcc aperf.c -Wall -D_GNU_SOURCE -o aperf -lm
> -[ $? -ne 0 ] && echo "Problem compiling aperf.c." && exit 1
> -gcc -o msr msr.c -lm
> -[ $? -ne 0 ] && echo "Problem compiling msr.c." && exit 1
> +# Compile programs if executable not found
> +if [ ! -x aperf ]; then
> + gcc aperf.c -Wall -D_GNU_SOURCE -o aperf -lm
> + [ $? -ne 0 ] && echo "Problem compiling aperf.c." && exit 1
> +fi
> +
> +if [ ! -x msr ]; then
> + gcc -o msr msr.c -lm
> + [ $? -ne 0 ] && echo "Problem compiling msr.c." && exit 1
> +fi

As such run.sh shouldn't have any compile code. These should
be strictly for running tests.

Instead of adding checks, please remove the compile logic from this
file.

thanks,
-- Shuah

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