linux-kernel - Re: [PATCH 2/8] perf test: Fix shellcheck issues in the record test

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Date:   Thu, 20 Oct 2022 16:48:01 -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 2/8] perf test: Fix shellcheck issues in the record test

On Thu, Oct 20, 2022 at 10:26 AM Namhyung Kim <namhyung@...nel.org> wrote:
>
> Basically there are 3 issues:
>
>  1. quote shell expansion
>  2. do not use egrep
>  3. use upper case letters for signal names
>
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>

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

Thanks,
Ian

> ---
>  tools/perf/tests/shell/record.sh | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)
>
> diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh
> index 747c33a1ec45..464071462809 100755
> --- a/tools/perf/tests/shell/record.sh
> +++ b/tools/perf/tests/shell/record.sh
> @@ -8,16 +8,16 @@ err=0
>  perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
>
>  cleanup() {
> -  rm -f ${perfdata}
> -  rm -f ${perfdata}.old
> -  trap - exit term int
> +  rm -f "${perfdata}"
> +  rm -f "${perfdata}".old
> +  trap - EXIT TERM INT
>  }
>
>  trap_cleanup() {
>    cleanup
>    exit 1
>  }
> -trap trap_cleanup exit term int
> +trap trap_cleanup EXIT TERM INT
>
>  test_per_thread() {
>    echo "Basic --per-thread mode test"
> @@ -30,13 +30,13 @@ test_per_thread() {
>      fi
>      return
>    fi
> -  if ! perf record --per-thread -o ${perfdata} true 2> /dev/null
> +  if ! perf record --per-thread -o "${perfdata}" true 2> /dev/null
>    then
>      echo "Per-thread record [Failed record]"
>      err=1
>      return
>    fi
> -  if ! perf report -i ${perfdata} -q | egrep -q true
> +  if ! perf report -i "${perfdata}" -q | grep -q true
>    then
>      echo "Per-thread record [Failed missing output]"
>      err=1
> @@ -47,7 +47,7 @@ test_per_thread() {
>
>  test_register_capture() {
>    echo "Register capture test"
> -  if ! perf list | egrep -q 'br_inst_retired.near_call'
> +  if ! perf list | grep -q 'br_inst_retired.near_call'
>    then
>      echo "Register capture test [Skipped missing event]"
>      if [ $err -ne 1 ]
> @@ -56,7 +56,7 @@ test_register_capture() {
>      fi
>      return
>    fi
> -  if ! perf record --intr-regs=\? 2>&1 | egrep -q 'available registers: AX BX CX DX SI DI BP SP IP FLAGS CS SS R8 R9 R10 R11 R12 R13 R14 R15'
> +  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'
>    then
>      echo "Register capture test [Skipped missing registers]"
>      return
> @@ -64,7 +64,7 @@ test_register_capture() {
>    if ! perf record -o - --intr-regs=di,r8,dx,cx -e br_inst_retired.near_call:p \
>      -c 1000 --per-thread true 2> /dev/null \
>      | perf script -F ip,sym,iregs -i - 2> /dev/null \
> -    | egrep -q "DI:"
> +    | grep -q "DI:"
>    then
>      echo "Register capture test [Failed missing output]"
>      err=1
> --
> 2.38.0.135.g90850a2211-goog
>