linux-kernel - Re: [PATCH v5 15/15] perf jevents: Run metric

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Date:   Sat, 4 Feb 2023 13:25:31 -0800
From:   Ian Rogers <irogers@...gle.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     John Garry <john.g.garry@...cle.com>,
        Will Deacon <will@...nel.org>,
        James Clark <james.clark@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Leo Yan <leo.yan@...aro.org>,
        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@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Kim Phillips <kim.phillips@....com>,
        Florian Fischer <florian.fischer@...q.space>,
        Ravi Bangoria <ravi.bangoria@....com>,
        Xing Zhengjun <zhengjun.xing@...ux.intel.com>,
        Rob Herring <robh@...nel.org>,
        Kang Minchul <tegongkang@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        Sandipan Das <sandipan.das@....com>,
        Jing Zhang <renyu.zj@...ux.alibaba.com>,
        linuxppc-dev@...ts.ozlabs.org, Kajol Jain <kjain@...ux.ibm.com>,
        Stephane Eranian <eranian@...gle.com>,
        Perry Taylor <perry.taylor@...el.com>,
        Caleb Biggers <caleb.biggers@...el.com>
Subject: Re: [PATCH v5 15/15] perf jevents: Run metric_test.py at compile-time

On Fri, Feb 3, 2023 at 12:15 PM Arnaldo Carvalho de Melo
<acme@...nel.org> wrote:
>
> Em Thu, Jan 26, 2023 at 03:36:45PM -0800, Ian Rogers escreveu:
> > Add a target that generates a log file for running metric_test.py and
> > make this a dependency on generating pmu-events.c. The log output is
> > displayed if the test fails like (the test was modified to make it
> > fail):
> >
> > ```
> >   TEST    /tmp/perf/pmu-events/metric_test.log
> > F......
> > ======================================================================
> > FAIL: test_Brackets (__main__.TestMetricExpressions)
> > ----------------------------------------------------------------------
> > Traceback (most recent call last):
> >   File "tools/perf/pmu-events/metric_test.py", line 33, in test_Brackets
> >     self.assertEqual((a * b + c).ToPerfJson(), 'a * b + d')
> > AssertionError: 'a * b + c' != 'a * b + d'
> > - a * b + c
> > ?         ^
> > + a * b + d
>
> Added this:
>
> diff --git a/tools/perf/.gitignore b/tools/perf/.gitignore
> index 05806ecfc33c12a1..f533e76fb48002b7 100644
> --- a/tools/perf/.gitignore
> +++ b/tools/perf/.gitignore
> @@ -38,6 +38,7 @@ arch/*/include/generated/
>  trace/beauty/generated/
>  pmu-events/pmu-events.c
>  pmu-events/jevents
> +pmu-events/metric_test.log
>  feature/
>  libapi/
>  libbpf/
> diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
> index b7d9c42062300d04..bac9272682b759e9 100644
> --- a/tools/perf/Makefile.perf
> +++ b/tools/perf/Makefile.perf
> @@ -1103,6 +1103,7 @@ clean:: $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean $(LIBSYMBOL)-clean $(
>                 $(OUTPUT)util/intel-pt-decoder/inat-tables.c \
>                 $(OUTPUT)tests/llvm-src-{base,kbuild,prologue,relocation}.c \
>                 $(OUTPUT)pmu-events/pmu-events.c \
> +               $(OUTPUT)pmu-events/metric_test.log \
>                 $(OUTPUT)$(fadvise_advice_array) \
>                 $(OUTPUT)$(fsconfig_arrays) \
>                 $(OUTPUT)$(fsmount_arrays) \

Acked, thanks!

Ian