[PATCH 17/19] perf metric: Add metric group test

Jiri Olsa
2020-07-19T18:14:32Z

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>
---
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