linux-kernel - Re: [PATCH 1/3] perf test: Shell - Limit to only run executable scripts in tests

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Message-ID: <YlR8urE9UL99eBIv@kernel.org>
Date:   Mon, 11 Apr 2022 16:08:42 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Leo Yan <leo.yan@...aro.org>
Cc:     carsten.haitzler@...s.arm.com, linux-kernel@...r.kernel.org,
        coresight@...ts.linaro.org, suzuki.poulose@....com,
        mathieu.poirier@...aro.org, mike.leach@...aro.org,
        linux-perf-users@...r.kernel.org
Subject: Re: [PATCH 1/3] perf test: Shell - Limit to only run executable
 scripts in tests

Em Sun, Apr 10, 2022 at 09:24:10AM +0800, Leo Yan escreveu:
> On Wed, Mar 09, 2022 at 12:28:57PM +0000, carsten.haitzler@...s.arm.com wrote:
> > From: Carsten Haitzler <carsten.haitzler@....com>
> > 
> > Perf test's shell runner will just run everything in the tests
> > directory (as long as it's not another directory or does not begin
> > with a dot), but sometimes you find files in there that are not shell
> > scripts - perf.data output for example if you do some testing and then
> > the next time you run perf test it tries to run these. Check the files
> > are executable so they are actually intended to be test scripts and
> > not just some "random junk" files there.
> > 
> > Signed-off-by: Carsten Haitzler <carsten.haitzler@....com>
> 
> Reviewed-by: Leo Yan <leo.yan@...aro.org>

Thanks, applied.

- Arnaldo

 
> > ---
> >  tools/perf/tests/builtin-test.c |  4 +++-
> >  tools/perf/util/path.c          | 14 +++++++++++++-
> >  tools/perf/util/path.h          |  1 +
> >  3 files changed, 17 insertions(+), 2 deletions(-)
> > 
> > diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
> > index fac3717d9ba1..3c34cb766724 100644
> > --- a/tools/perf/tests/builtin-test.c
> > +++ b/tools/perf/tests/builtin-test.c
> > @@ -296,7 +296,9 @@ 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) && ent->d_name[0] != '.')
> > +		if (!is_directory(base, ent) && \
> > +			is_executable_file(base, ent) && \
> > +			ent->d_name[0] != '.')
> >  
> >  static const char *shell_tests__dir(char *path, size_t size)
> >  {
> > diff --git a/tools/perf/util/path.c b/tools/perf/util/path.c
> > index caed0336429f..ce80b79be103 100644
> > --- a/tools/perf/util/path.c
> > +++ b/tools/perf/util/path.c
> > @@ -86,9 +86,21 @@ bool is_directory(const char *base_path, const struct dirent *dent)
> >  	char path[PATH_MAX];
> >  	struct stat st;
> >  
> > -	sprintf(path, "%s/%s", base_path, dent->d_name);
> > +	snprintf(path, sizeof(path), "%s/%s", base_path, dent->d_name);
> >  	if (stat(path, &st))
> >  		return false;
> >  
> >  	return S_ISDIR(st.st_mode);
> >  }
> > +
> > +bool is_executable_file(const char *base_path, const struct dirent *dent)
> > +{
> > +	char path[PATH_MAX];
> > +	struct stat st;
> > +
> > +	snprintf(path, sizeof(path), "%s/%s", base_path, dent->d_name);
> > +	if (stat(path, &st))
> > +		return false;
> > +
> > +	return !S_ISDIR(st.st_mode) && (st.st_mode & S_IXUSR);
> > +}
> > diff --git a/tools/perf/util/path.h b/tools/perf/util/path.h
> > index 083429b7efa3..d94902c22222 100644
> > --- a/tools/perf/util/path.h
> > +++ b/tools/perf/util/path.h
> > @@ -12,5 +12,6 @@ int path__join3(char *bf, size_t size, const char *path1, const char *path2, con
> >  
> >  bool is_regular_file(const char *file);
> >  bool is_directory(const char *base_path, const struct dirent *dent);
> > +bool is_executable_file(const char *base_path, const struct dirent *dent);
> >  
> >  #endif /* _PERF_PATH_H */
> > -- 
> > 2.32.0
> > 

-- 

- Arnaldo