linux-kernel - Re: [PATCH v3 1/2] perf test: Workload test of metric and metricgroups

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Date:   Fri, 24 Sep 2021 16:09:09 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ian Rogers <irogers@...gle.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Jin Yao <yao.jin@...ux.intel.com>,
        John Garry <john.garry@...wei.com>,
        "Paul A . Clarke" <pc@...ibm.com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        eranian@...gle.com
Subject: Re: [PATCH v3 1/2] perf test: Workload test of metric and
 metricgroups

Em Fri, Sep 17, 2021 at 11:42:39AM -0700, Ian Rogers escreveu:
> Test every metric and metricgroup with 'true' as a workload. For
> metrics, check that we see the metric printed or get unsupported. If the
> 'true' workload executes too quickly retry with 'perf bench internals
> synthesize'.
> 
> v3. Fix test condition (thanks to Paul A. Clarke <pc@...ibm.com>). Add a
>     fallback case of a larger workload so that we don't ignore "<not
>     counted>".
> v2. Switched the workload to something faster.

Hi John, does your Reviewed-by stands for v3 too?

- Arnaldo
 
> Signed-off-by: Ian Rogers <irogers@...gle.com>
> ---
>  .../perf/tests/shell/stat_all_metricgroups.sh | 12 ++++++++++
>  tools/perf/tests/shell/stat_all_metrics.sh    | 22 +++++++++++++++++++
>  2 files changed, 34 insertions(+)
>  create mode 100755 tools/perf/tests/shell/stat_all_metricgroups.sh
>  create mode 100755 tools/perf/tests/shell/stat_all_metrics.sh
> 
> diff --git a/tools/perf/tests/shell/stat_all_metricgroups.sh b/tools/perf/tests/shell/stat_all_metricgroups.sh
> new file mode 100755
> index 000000000000..de24d374ce24
> --- /dev/null
> +++ b/tools/perf/tests/shell/stat_all_metricgroups.sh
> @@ -0,0 +1,12 @@
> +#!/bin/sh
> +# perf all metricgroups test
> +# SPDX-License-Identifier: GPL-2.0
> +
> +set -e
> +
> +for m in $(perf list --raw-dump metricgroups); do
> +  echo "Testing $m"
> +  perf stat -M "$m" true
> +done
> +
> +exit 0
> diff --git a/tools/perf/tests/shell/stat_all_metrics.sh b/tools/perf/tests/shell/stat_all_metrics.sh
> new file mode 100755
> index 000000000000..7f4ba3cad632
> --- /dev/null
> +++ b/tools/perf/tests/shell/stat_all_metrics.sh
> @@ -0,0 +1,22 @@
> +#!/bin/sh
> +# perf all metrics test
> +# SPDX-License-Identifier: GPL-2.0
> +
> +set -e
> +
> +for m in $(perf list --raw-dump metrics); do
> +  echo "Testing $m"
> +  result=$(perf stat -M "$m" true 2>&1)
> +  if [[ ! "$result" =~ "$m" ]] && [[ ! "$result" =~ "<not supported>" ]]; then
> +    # We failed to see the metric and the events are support. Possibly the
> +    # workload was too small so retry with something longer.
> +    result=$(perf stat -M "$m" perf bench internals synthesize 2>&1)
> +    if [[ ! "$result" =~ "$m" ]]; then
> +      echo "Metric '$m' not printed in:"
> +      echo "$result"
> +      exit 1
> +    fi
> +  fi
> +done
> +
> +exit 0
> -- 
> 2.33.0.464.g1972c5931b-goog

-- 

- Arnaldo