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SubjectRe: [PATCH 2/3] perf test: Shell - only run .sh shell files to skip other files
On Wed, Mar 09, 2022 at 12:28:58PM +0000, carsten.haitzler@foss.arm.com wrote:
> From: Carsten Haitzler <carsten.haitzler@arm.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@arm.com>
>
> ---
> tools/perf/tests/builtin-test.c | 17 +++++++++++++++--
> 1 file changed, 15 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
> index 3c34cb766724..3a02ba7a7a89 100644
> --- a/tools/perf/tests/builtin-test.c
> +++ b/tools/perf/tests/builtin-test.c
> @@ -296,9 +296,22 @@ static const char *shell_test__description(char *description, size_t size,
>
> #define for_each_shell_test(entlist, nr, base, ent) \
> for (int __i = 0; __i < nr && (ent = entlist[__i]); __i++) \
> - if (!is_directory(base, ent) && \
> + if (ent->d_name[0] != '.' && \
> + !is_directory(base, ent) && \
> is_executable_file(base, ent) && \
> - ent->d_name[0] != '.')
> + is_shell_script(ent->d_name))

Just nitpick: since multiple conditions are added, seems to me it's good
to use a single function is_executable_shell_script() to make decision
if a file is an executable shell script.

And the condition checking 'ent->d_name[0] != '.'' would be redundant
after we have checked the file suffix '.sh'.

Thanks,
Leo

> +
> +static bool is_shell_script(const char *file)
> +{
> + const char *ext;
> +
> + ext = strrchr(file, '.');
> + if (!ext)
> + return false;
> + if (!strcmp(ext, ".sh"))
> + return true;
> + return false;
> +}
>
> static const char *shell_tests__dir(char *path, size_t size)
> {
> --
> 2.32.0
>

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