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Date:   Tue, 28 Jul 2020 09:37:04 -0300
From:   Arnaldo Carvalho de Melo <acme@kernel.org>
To:     Ian Rogers <irogers@google.com>
Cc:     Jiri Olsa <jolsa@kernel.org>, lkml <linux-kernel@vger.kernel.org>,
        Ingo Molnar <mingo@kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Michael Petlan <mpetlan@redhat.com>,
        Andi Kleen <ak@linux.intel.com>,
        Kajol Jain <kjain@linux.ibm.com>,
        John Garry <john.garry@huawei.com>,
        "Paul A. Clarke" <pc@us.ibm.com>,
        Stephane Eranian <eranian@google.com>
Subject: Re: [PATCH 17/19] perf metric: Add metric group test
Message-ID: <20200728123704.GX40195@kernel.org>
References: <20200719181320.785305-1-jolsa@kernel.org>
 <20200719181320.785305-18-jolsa@kernel.org>
 <CAP-5=fWmm5pvH-hwkaAKV=__7Ocbc-4Qj8OCJWz_xi4pc65A=Q@mail.gmail.com>
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Em Sun, Jul 19, 2020 at 03:41:14PM -0700, Ian Rogers escreveu:
> On Sun, Jul 19, 2020 at 11:14 AM Jiri Olsa <jolsa@kernel.org> wrote:
> >
> > Adding test for metric group plus compute_metric_group
> > function to get metrics values within the group.
> >
> > Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> 
> Acked-by: Ian Rogers <irogers@google.com>

Thanks, applied.

- Arnaldo
 
> Thanks,
> Ian
> 
> > ---
> >  tools/perf/tests/parse-metric.c | 48 +++++++++++++++++++++++++++++++--
> >  1 file changed, 46 insertions(+), 2 deletions(-)
> >
> > diff --git a/tools/perf/tests/parse-metric.c b/tools/perf/tests/parse-metric.c
> > index 5ac32f80f8ea..f2ba5b2c5557 100644
> > --- a/tools/perf/tests/parse-metric.c
> > +++ b/tools/perf/tests/parse-metric.c
> > @@ -18,6 +18,7 @@ static struct pmu_event pme_test[] = {
> >  {
> >         .metric_expr    = "inst_retired.any / cpu_clk_unhalted.thread",
> >         .metric_name    = "IPC",
> > +       .metric_group   = "group1",
> >  },
> >  {
> >         .metric_expr    = "idq_uops_not_delivered.core / (4 * (( ( cpu_clk_unhalted.thread / 2 ) * "
> > @@ -35,6 +36,7 @@ static struct pmu_event pme_test[] = {
> >  {
> >         .metric_expr    = "(dcache_miss_cpi + icache_miss_cycles)",
> >         .metric_name    = "cache_miss_cycles",
> > +       .metric_group   = "group1",
> >  },
> >  {
> >         .metric_expr    = "l2_rqsts.demand_data_rd_hit + l2_rqsts.pf_hit + l2_rqsts.rfo_hit",
> > @@ -127,7 +129,9 @@ static double compute_single(struct rblist *metric_events, struct evlist *evlist
> >         return 0.;
> >  }
> >
> > -static int compute_metric(const char *name, struct value *vals, double *ratio)
> > +static int __compute_metric(const char *name, struct value *vals,
> > +                           const char *name1, double *ratio1,
> > +                           const char *name2, double *ratio2)
> >  {
> >         struct rblist metric_events = {
> >                 .nr_entries = 0,
> > @@ -166,7 +170,10 @@ static int compute_metric(const char *name, struct value *vals, double *ratio)
> >         load_runtime_stat(&st, evlist, vals);
> >
> >         /* And execute the metric */
> > -       *ratio = compute_single(&metric_events, evlist, &st, name);
> > +       if (name1 && ratio1)
> > +               *ratio1 = compute_single(&metric_events, evlist, &st, name1);
> > +       if (name2 && ratio2)
> > +               *ratio2 = compute_single(&metric_events, evlist, &st, name2);
> >
> >         /* ... clenup. */
> >         metricgroup__rblist_exit(&metric_events);
> > @@ -177,6 +184,18 @@ static int compute_metric(const char *name, struct value *vals, double *ratio)
> >         return 0;
> >  }
> >
> > +static int compute_metric(const char *name, struct value *vals, double *ratio)
> > +{
> > +       return __compute_metric(name, vals, name, ratio, NULL, NULL);
> > +}
> > +
> > +static int compute_metric_group(const char *name, struct value *vals,
> > +                               const char *name1, double *ratio1,
> > +                               const char *name2, double *ratio2)
> > +{
> > +       return __compute_metric(name, vals, name1, ratio1, name2, ratio2);
> > +}
> > +
> >  static int test_ipc(void)
> >  {
> >         double ratio;
> > @@ -297,6 +316,30 @@ static int test_recursion_fail(void)
> >         return 0;
> >  }
> >
> > +static int test_metric_group(void)
> > +{
> > +       double ratio1, ratio2;
> > +       struct value vals[] = {
> > +               { .event = "cpu_clk_unhalted.thread", .val = 200 },
> > +               { .event = "l1d-loads-misses",        .val = 300 },
> > +               { .event = "l1i-loads-misses",        .val = 200 },
> > +               { .event = "inst_retired.any",        .val = 400 },
> > +               { 0 },
> > +       };
> > +
> > +       TEST_ASSERT_VAL("failed to find recursion",
> > +                       compute_metric_group("group1", vals,
> > +                                            "IPC", &ratio1,
> > +                                            "cache_miss_cycles", &ratio2) == 0);
> > +
> > +       TEST_ASSERT_VAL("group IPC failed, wrong ratio",
> > +                       ratio1 == 2.0);
> > +
> > +       TEST_ASSERT_VAL("group cache_miss_cycles failed, wrong ratio",
> > +                       ratio2 == 1.25);
> > +       return 0;
> > +}
> > +
> >  int test__parse_metric(struct test *test __maybe_unused, int subtest __maybe_unused)
> >  {
> >         TEST_ASSERT_VAL("IPC failed", test_ipc() == 0);
> > @@ -304,5 +347,6 @@ int test__parse_metric(struct test *test __maybe_unused, int subtest __maybe_unu
> >         TEST_ASSERT_VAL("cache_miss_cycles failed", test_cache_miss_cycles() == 0);
> >         TEST_ASSERT_VAL("DCache_L2 failed", test_dcache_l2() == 0);
> >         TEST_ASSERT_VAL("recursion fail failed", test_recursion_fail() == 0);
> > +       TEST_ASSERT_VAL("test metric group", test_metric_group() == 0);
> >         return 0;
> >  }
> > --
> > 2.25.4
> >

-- 

- Arnaldo