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Date: Tue, 4 Mar 2025 15:15:18 +0000
From: Leo Yan <leo.yan@arm.com>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
	Ian Rogers <irogers@google.com>,
	Kan Liang <kan.liang@linux.intel.com>, Jiri Olsa <jolsa@kernel.org>,
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	linux-perf-users@vger.kernel.org,
	Thomas Richter <tmricht@linux.ibm.com>
Subject: Re: [PATCH v2 6/6] perf test: Simplify data symbol test
Message-ID: <20250304151518.GA13418@e132581.arm.com>
References: <20250304022837.1877845-1-namhyung@kernel.org>
 <20250304022837.1877845-7-namhyung@kernel.org>
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In-Reply-To: <20250304022837.1877845-7-namhyung@kernel.org>

On Mon, Mar 03, 2025 at 06:28:37PM -0800, Namhyung Kim wrote:
> Now the workload will end after 1 second.  Just run it with perf instead
> of waiting for the background process.
> 
> Cc: Thomas Richter <tmricht@linux.ibm.com>
> Cc: Leo Yan <leo.yan@arm.com>
> Signed-off-by: Namhyung Kim <namhyung@kernel.org>

Reviewed-by: Leo Yan <leo.yan@arm.com>

> ---
>  tools/perf/tests/shell/test_data_symbol.sh | 15 ++-------------
>  1 file changed, 2 insertions(+), 13 deletions(-)
> 
> diff --git a/tools/perf/tests/shell/test_data_symbol.sh b/tools/perf/tests/shell/test_data_symbol.sh
> index c86da02350596b35..1792b7ad4066f8cd 100755
> --- a/tools/perf/tests/shell/test_data_symbol.sh
> +++ b/tools/perf/tests/shell/test_data_symbol.sh
> @@ -5,8 +5,6 @@
>  # Leo Yan <leo.yan@linaro.org>, 2022
>  
>  shelldir=$(dirname "$0")
> -# shellcheck source=lib/waiting.sh
> -. "${shelldir}"/lib/waiting.sh
>  
>  # shellcheck source=lib/perf_has_symbol.sh
>  . "${shelldir}"/lib/perf_has_symbol.sh
> @@ -60,19 +58,10 @@ echo "Recording workload..."
>  # specific CPU and test in per-CPU mode.
>  is_amd=$(grep -E -c 'vendor_id.*AuthenticAMD' /proc/cpuinfo)
>  if (($is_amd >= 1)); then
> -	perf mem record -vvv -o ${PERF_DATA} -C 0 -- taskset -c 0 $TEST_PROGRAM 2>"${ERR_FILE}" &
> +	perf mem record -vvv -o ${PERF_DATA} -C 0 -- taskset -c 0 $TEST_PROGRAM 2>"${ERR_FILE}"
>  else
> -	perf mem record -vvv --all-user -o ${PERF_DATA} -- $TEST_PROGRAM 2>"${ERR_FILE}" &
> +	perf mem record -vvv --all-user -o ${PERF_DATA} -- $TEST_PROGRAM 2>"${ERR_FILE}"
>  fi
>  
> -PERFPID=$!
> -
> -wait_for_perf_to_start ${PERFPID} "${ERR_FILE}"
> -
> -sleep 1
> -
> -kill $PERFPID
> -wait $PERFPID
> -
>  check_result
>  exit $?
> -- 
> 2.48.1.711.g2feabab25a-goog
>