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From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
	Song Liu <songliubraving@fb.com>,
	linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
	bpf@vger.kernel.org
Subject: Re: [PATCH v2 1/3] perf test: Pass the verbose option to shell tests
Date: Tue, 22 Jun 2021 14:45:51 -0300	[thread overview]
Message-ID: <YNIhzyKPqfFvvoYs@kernel.org> (raw)
In-Reply-To: <20210621215648.2991319-1-irogers@google.com>

Em Mon, Jun 21, 2021 at 02:56:46PM -0700, Ian Rogers escreveu:
> Having a verbose option will allow shell tests to provide extra failure
> details when the fail or skip.
> 
> Signed-off-by: Ian Rogers <irogers@google.com>
> ---
>  tools/perf/tests/builtin-test.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
> index cbbfe48ab802..e1ed60567b2f 100644
> --- a/tools/perf/tests/builtin-test.c
> +++ b/tools/perf/tests/builtin-test.c
> @@ -577,10 +577,13 @@ struct shell_test {
>  static int shell_test__run(struct test *test, int subdir __maybe_unused)
>  {
>  	int err;
> -	char script[PATH_MAX];
> +	char script[PATH_MAX + 3];

This looks strange, i.e. if it is a _path_ _MAX_, why add 3 chars past
that max when generating a _path_? I'll drop the above hunk and keep the
rest, ok?

- Arnaldo

>  	struct shell_test *st = test->priv;
>  
> -	path__join(script, sizeof(script), st->dir, st->file);
> +	path__join(script, sizeof(script) - 3, st->dir, st->file);
> +
> +	if (verbose)
> +		strncat(script, " -v", sizeof(script) - strlen(script) - 1);
>  
>  	err = system(script);
>  	if (!err)

  parent reply	other threads:[~2021-06-22 17:46 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-21 21:56 [PATCH v2 1/3] perf test: Pass the verbose option to shell tests Ian Rogers
2021-06-21 21:56 ` [PATCH v2 2/3] perf test: Add verbose skip output for bpf counters Ian Rogers
2021-06-22 18:05   ` Arnaldo Carvalho de Melo
2021-06-21 21:56 ` [PATCH v2 3/3] perf test: Make stat bpf counters test more robust Ian Rogers
2021-06-22 18:05   ` Arnaldo Carvalho de Melo
2021-06-22 17:45 ` Arnaldo Carvalho de Melo [this message]
2021-06-22 17:53   ` [PATCH v2 1/3] perf test: Pass the verbose option to shell tests Arnaldo Carvalho de Melo
2021-06-22 18:17     ` Ian Rogers

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