linux-kernel - Re: [PATCH 03/29] selftests/mm: Dump a summary in run

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Date:   Thu, 30 Mar 2023 18:28:07 -0400
From:   Peter Xu <peterx@...hat.com>
To:     Axel Rasmussen <axelrasmussen@...gle.com>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        David Hildenbrand <david@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Leonardo Bras Soares Passos <lsoaresp@...hat.com>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        Nadav Amit <nadav.amit@...il.com>
Subject: Re: [PATCH 03/29] selftests/mm: Dump a summary in run_vmtests.sh

On Thu, Mar 30, 2023 at 12:07:24PM -0700, Axel Rasmussen wrote:
> On Thu, Mar 30, 2023 at 9:06 AM Peter Xu <peterx@...hat.com> wrote:
> >
> > Dump a summary after running whatever test specified.  Useful for human
> > runners to identify any kind of failures (besides exit code).
> >
> > Signed-off-by: Peter Xu <peterx@...hat.com>
> > ---
> >  tools/testing/selftests/mm/run_vmtests.sh | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> >
> > diff --git a/tools/testing/selftests/mm/run_vmtests.sh b/tools/testing/selftests/mm/run_vmtests.sh
> > index c0f93b668c0c..9cc33984aa9f 100644
> > --- a/tools/testing/selftests/mm/run_vmtests.sh
> > +++ b/tools/testing/selftests/mm/run_vmtests.sh
> > @@ -5,6 +5,9 @@
> >  # Kselftest framework requirement - SKIP code is 4.
> >  ksft_skip=4
> >
> > +count_pass=0
> > +count_fail=0
> > +count_skip=0
> >  exitcode=0
> >
> >  usage() {
> > @@ -149,11 +152,14 @@ run_test() {
> >                 "$@"
> >                 local ret=$?
> >                 if [ $ret -eq 0 ]; then
> > +                       count_pass=$(( $count_pass + 1 ))
> 
> Actually, inside $(( )) there's no need to prefix variable names with
> $ too. Running "shellcheck" over the script written this way will
> generate a warning.
> 
> Same applies below.

Sure, I'll fix.

> 
> >                         echo "[PASS]"
> >                 elif [ $ret -eq $ksft_skip ]; then
> > +                       count_skip=$(( $count_skip + 1 ))
> >                         echo "[SKIP]"
> >                         exitcode=$ksft_skip
> >                 else
> > +                       count_fail=$(( $count_fail + 1 ))
> >                         echo "[FAIL]"
> >                         exitcode=1
> >                 fi
> > @@ -279,4 +285,6 @@ CATEGORY="soft_dirty" run_test ./soft-dirty
> >  # COW tests
> >  CATEGORY="cow" run_test ./cow
> >
> > +echo "SUMMARY: PASS=${count_pass} SKIP=${count_skip} FAIL=${count_fail}"
> > +
> >  exit $exitcode
> > --
> > 2.39.1
> >
> 
> Besides the nitpick:
> 
> Reviewed-by: Axel Rasmussen <axelrasmussen@...gle.com>

Thanks!

-- 
Peter Xu