Re: [PATCH v1 1/2] perf test: Report failure for mmap events

From: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
To: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 1/2] perf test: Report failure for mmap events
Date: Mon, 14 Oct 2019 11:09:21 -0300
Message-ID: <20191014140921.GC19627@kernel.org> (raw)
In-Reply-To: <20191011091942.29841-1-leo.yan@linaro.org>

Em Fri, Oct 11, 2019 at 05:19:41PM +0800, Leo Yan escreveu:
> When fail to mmap events in task exit case, it misses to set 'err' to
> -1; thus the testing will not report failure for it.
> 
> This patch sets 'err' to -1 when fails to mmap events, thus Perf tool
> can report correct result.

Thanks, applied and added:

Fixes: d723a55096b8 ("perf test: Add test case for checking number of EXIT events")

> Signed-off-by: Leo Yan <leo.yan@linaro.org>
> ---
>  tools/perf/tests/task-exit.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c
> index bce3a4cb4c89..ca0a6ca43b13 100644
> --- a/tools/perf/tests/task-exit.c
> +++ b/tools/perf/tests/task-exit.c
> @@ -110,6 +110,7 @@ int test__task_exit(struct test *test __maybe_unused, int subtest __maybe_unused
>  	if (evlist__mmap(evlist, 128) < 0) {
>  		pr_debug("failed to mmap events: %d (%s)\n", errno,
>  			 str_error_r(errno, sbuf, sizeof(sbuf)));
> +		err = -1;
>  		goto out_delete_evlist;
>  	}
>  
> -- 
> 2.17.1

-- 

- Arnaldo