linux-kernel - Re: [PATCH 02/12] perf test: Shell - only run .sh shell files to skip other files

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Date:   Fri, 17 Dec 2021 15:00:18 +0000
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     carsten.haitzler@...s.arm.com, linux-kernel@...r.kernel.org
Cc:     coresight@...ts.linaro.org, mathieu.poirier@...aro.org,
        mike.leach@...aro.org, leo.yan@...aro.org,
        inux-perf-users@...r.kernel.org, acme@...nel.org
Subject: Re: [PATCH 02/12] perf test: Shell - only run .sh shell files to skip
 other files

On 15/12/2021 16:03, carsten.haitzler@...s.arm.com wrote:
> From: Carsten Haitzler <carsten.haitzler@....com>
> 
> You edit your scripts in the tests and end up with your usual shell
> backup files with ~ or .bak or something else at the end, but then your
> next perf test run wants to run the backups too. You might also have perf
> .data files in the directory or something else undesireable as well. You end
> up chasing which test is the one you edited and the backup and have to keep
> removing all the backup files, so automatically skip any files that are
> not plain *.sh scripts to limit the time wasted in chasing ghosts.
> 
> Signed-off-by: Carsten Haitzler <carsten.haitzler@....com>
> ---
>   tools/perf/tests/builtin-test.c | 15 ++++++++++++++-
>   1 file changed, 14 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
> index ece272b55587..849737ead9fd 100644
> --- a/tools/perf/tests/builtin-test.c
> +++ b/tools/perf/tests/builtin-test.c
> @@ -297,7 +297,20 @@ static const char *shell_test__description(char *description, size_t size,
>   	for (int __i = 0; __i < nr && (ent = entlist[__i]); __i++)	\
>   		if (!is_directory(base, ent) && \
>   			is_executable_file(base, ent) && \
> -			ent->d_name[0] != '.')
> +			ent->d_name[0] != '.' && \
> +			(shell_file_is_sh(ent->d_name) == 0))
> +
> +static int shell_file_is_sh(const char *file)

nit: In line with the other "helpers", could this be:

is_shell_file_sh() or even is_shell_script() ?

Also, for consistency, could this be bool, like the other helpers ?

i.e., returns true when the condition matches ?

Suzuki

> +{
> +	const char *ext;
> +
> +	ext = strchr(file, '.');
> +	if (!ext)
> +		return -1;
> +	if (!strcmp(ext, ".sh"))
> +		return 0;
> +	return -1;
> +}


>   
>   static const char *shell_tests__dir(char *path, size_t size)
>   {