Messages in this thread | | | From | Ian Rogers <> | Date | Sun, 19 Jul 2020 15:41:14 -0700 | Subject | Re: [PATCH 17/19] perf metric: Add metric group test |
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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, 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 >
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