linux-kernel - Re: [PATCH 8/8] perf test: Do not set TEST

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Message-ID: <CAP-5=fVRCaTJseQA_AGZ8nc0H65iNsPUfjDNtopd++JK53kYWQ@mail.gmail.com>
Date:   Thu, 20 Oct 2022 17:05:49 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     Namhyung Kim <namhyung@...nel.org>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>, Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        linux-perf-users@...r.kernel.org
Subject: Re: [PATCH 8/8] perf test: Do not set TEST_SKIP for record subtests

On Thu, Oct 20, 2022 at 10:26 AM Namhyung Kim <namhyung@...nel.org> wrote:
>
> It now has 4 sub tests and one of them should run at least.
> But once TEST_SKIP (= 2) return value is set, it won't be overwritten
> unless there's a failure.  I think we should return success when one
> or more tested are skipped but the remaining subtests are passed.
>
> So update the test code not to set the err variable when it skips
> the test.
>
> Reviewed-by: Adrian Hunter <adrian.hunter@...el.com>
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>

Acked-by: Ian Rogers <irogers@...gle.com>

Perhaps we can have proper sub-tests in shell tests like we do for the C ones.

Thanks,
Ian

> ---
>  tools/perf/tests/shell/record.sh | 12 ------------
>  1 file changed, 12 deletions(-)
>
> diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh
> index 01aa9531b369..e93b3a8871fe 100755
> --- a/tools/perf/tests/shell/record.sh
> +++ b/tools/perf/tests/shell/record.sh
> @@ -81,10 +81,6 @@ test_per_thread() {
>    if ! perf record -o /dev/null --quiet ${testprog} 2> /dev/null
>    then
>      echo "Per-thread record [Skipped event not supported]"
> -    if [ $err -ne 1 ]
> -    then
> -      err=2
> -    fi
>      return
>    fi
>    if ! perf record --per-thread -o "${perfdata}" ${testprog} 2> /dev/null
> @@ -131,10 +127,6 @@ test_register_capture() {
>    if ! perf list | grep -q 'br_inst_retired.near_call'
>    then
>      echo "Register capture test [Skipped missing event]"
> -    if [ $err -ne 1 ]
> -    then
> -      err=2
> -    fi
>      return
>    fi
>    if ! perf record --intr-regs=\? 2>&1 | grep -q 'available registers: AX BX CX DX SI DI BP SP IP FLAGS CS SS R8 R9 R10 R11 R12 R13 R14 R15'
> @@ -159,10 +151,6 @@ test_system_wide() {
>    if ! perf record -aB --synth=no -o "${perfdata}" ${testprog} 2> /dev/null
>    then
>      echo "System-wide record [Skipped not supported]"
> -    if [ $err -ne 1 ]
> -    then
> -      err=2
> -    fi
>      return
>    fi
>    if ! perf report -i "${perfdata}" -q | grep -q "${testsym}"
> --
> 2.38.0.135.g90850a2211-goog
>