Re: [PATCH v2] perf test: Reset err after using it hold errcode in hist testcases

From: Namhyung Kim
Date: Tue Dec 15 2015 - 04:05:40 EST


On Tue, Dec 15, 2015 at 08:20:50AM +0000, Wang Nan wrote:
> All hists test cases forget to reset err after using it to hold an
> error code. If error occure in setup_fake_machine() it incorrectly
> return TEST_OK.
>
> This patch fixes it.
>
> Signed-off-by: Wang Nan <wangnan0@xxxxxxxxxx>
> Suggested-by: Namhyung Kim <namhyung@xxxxxxxxxx>
> Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
> Cc: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>

Acked-by: Namhyung Kim <namhyung@xxxxxxxxxx>

Thanks,
Namhyung


> ---
> tools/perf/tests/hists_cumulate.c | 1 +
> tools/perf/tests/hists_filter.c | 1 +
> tools/perf/tests/hists_link.c | 1 +
> tools/perf/tests/hists_output.c | 1 +
> 4 files changed, 4 insertions(+)
>
> diff --git a/tools/perf/tests/hists_cumulate.c b/tools/perf/tests/hists_cumulate.c
> index 8292948..76f8922 100644
> --- a/tools/perf/tests/hists_cumulate.c
> +++ b/tools/perf/tests/hists_cumulate.c
> @@ -706,6 +706,7 @@ int test__hists_cumulate(int subtest __maybe_unused)
> err = parse_events(evlist, "cpu-clock", NULL);
> if (err)
> goto out;
> + err = TEST_FAIL;
>
> machines__init(&machines);
>
> diff --git a/tools/perf/tests/hists_filter.c b/tools/perf/tests/hists_filter.c
> index ccb5b49..2cd91df 100644
> --- a/tools/perf/tests/hists_filter.c
> +++ b/tools/perf/tests/hists_filter.c
> @@ -120,6 +120,7 @@ int test__hists_filter(int subtest __maybe_unused)
> err = parse_events(evlist, "task-clock", NULL);
> if (err)
> goto out;
> + err = TEST_FAIL;
>
> /* default sort order (comm,dso,sym) will be used */
> if (setup_sorting() < 0)
> diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c
> index 6243e2b..4dd8f4e 100644
> --- a/tools/perf/tests/hists_link.c
> +++ b/tools/perf/tests/hists_link.c
> @@ -293,6 +293,7 @@ int test__hists_link(int subtest __maybe_unused)
> if (err)
> goto out;
>
> + err = TEST_FAIL;
> /* default sort order (comm,dso,sym) will be used */
> if (setup_sorting() < 0)
> goto out;
> diff --git a/tools/perf/tests/hists_output.c b/tools/perf/tests/hists_output.c
> index 248beec..dc7bf56 100644
> --- a/tools/perf/tests/hists_output.c
> +++ b/tools/perf/tests/hists_output.c
> @@ -597,6 +597,7 @@ int test__hists_output(int subtest __maybe_unused)
> err = parse_events(evlist, "cpu-clock", NULL);
> if (err)
> goto out;
> + err = TEST_FAIL;
>
> machines__init(&machines);
>
> --
> 1.8.3.4
>
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