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

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Date:   Mon, 24 Oct 2022 08:34:23 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ian Rogers <irogers@...gle.com>
Cc:     Namhyung Kim <namhyung@...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

Em Thu, Oct 20, 2022 at 05:05:49PM -0700, Ian Rogers escreveu:
> 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.

Yeah, giving info about the various subtests helps in giving progress
information and overal confidence that more stuff is being tested.

- Arnaldo
 
> 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
> >

-- 

- Arnaldo