[PATCH 13/13] perf tests: Add parse metric test for frontend metric

Jiri Olsa
2020-06-02T11:51:43Z

Adding new metri test for frontend metric. It's stolen
from x86 pmu events.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/tests/parse-metric.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)

diff --git a/tools/perf/tests/parse-metric.c b/tools/perf/tests/parse-metric.c
index 717a73fa7446..1939e567a8b3 100644
--- a/tools/perf/tests/parse-metric.c
+++ b/tools/perf/tests/parse-metric.c
@@ -17,6 +17,11 @@ static struct pmu_event pme_test[] = {
.metric_expr = "inst_retired.any / cpu_clk_unhalted.thread",
.metric_name = "IPC",
},
+{
+ .metric_expr = "idq_uops_not_delivered.core / (4 * (( ( cpu_clk_unhalted.thread / 2 ) * "
+ "( 1 + cpu_clk_unhalted.one_thread_active / cpu_clk_unhalted.ref_xclk ) )))",
+ .metric_name = "Frontend_Bound_SMT",
+},
};

static struct pmu_events_map map = {
@@ -138,8 +143,28 @@ static int test_ipc(void)
return 0;
}

+static int test_frontend(void)
+{
+ double ratio;
+ struct value vals[] = {
+ { .event = "idq_uops_not_delivered.core", .val = 300 },
+ { .event = "cpu_clk_unhalted.thread", .val = 200 },
+ { .event = "cpu_clk_unhalted.one_thread_active", .val = 400 },
+ { .event = "cpu_clk_unhalted.ref_xclk", .val = 600 },
+ { 0 },
+ };
+
+ TEST_ASSERT_VAL("failed to compute metric",
+ compute_metric("Frontend_Bound_SMT", vals, &ratio) == 0);
+
+ TEST_ASSERT_VAL("Frontend_Bound_SMT failed, wrong ratio",
+ ratio == 0.45);
+ return 0;
+}
+
int test__parse_metric(struct test *test __maybe_unused, int subtest __maybe_unused)
{
TEST_ASSERT_VAL("IPC failed", test_ipc() == 0);
+ TEST_ASSERT_VAL("frontend failed", test_frontend() == 0);
return 0;
}
--
2.25.4