linux-kernel - Re: [RFC PATCH] perf test: Workload test of metric and metricgroups

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Date:   Wed, 15 Sep 2021 23:11:21 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Jin Yao <yao.jin@...ux.intel.com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        eranian@...gle.com
Subject: Re: [RFC PATCH] perf test: Workload test of metric and metricgroups

On Tue, Aug 31, 2021 at 11:46 AM Jiri Olsa <jolsa@...hat.com> wrote:
>
> On Wed, Aug 18, 2021 at 10:56:29PM -0700, Ian Rogers wrote:
> > Test every metric and metricgroup with perf bench as a workload.
> >
> > Signed-off-by: Ian Rogers <irogers@...gle.com>
> > ---
> >  tools/perf/tests/shell/stat_all_metricgroups.sh | 12 ++++++++++++
> >  tools/perf/tests/shell/stat_all_metrics.sh      | 16 ++++++++++++++++
> >  2 files changed, 28 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..f0b7bda17970
> > --- /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" perf bench internals synthesize
> > +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..767396e81121
> > --- /dev/null
> > +++ b/tools/perf/tests/shell/stat_all_metrics.sh
> > @@ -0,0 +1,16 @@
> > +#!/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" perf bench internals synthesize)
>
> good test, but takes forever.. running 'true' should be enough for the test?
>
> jirka

Agreed/done:
https://lore.kernel.org/linux-perf-users/20210916060525.1890638-1-irogers@google.com/T/#u
There is an issue that I see a lot of "<not counted>" for metricgroups
like this. Note, the metricgroups test is also failing on my skylake
as I hit the bug fixed in:
https://lore.kernel.org/lkml/20210819054707.1057819-1-irogers@google.com/

Thanks,
Ian


> > +  if [[ "$result" =~ "$m" ]]; then
> > +    echo "Metric not printed: $m"
> > +    exit 1
> > +  fi
> > +done
> > +
> > +exit 0
> > --
> > 2.33.0.rc1.237.g0d66db33f3-goog
> >
>