[13/13] perf tests: Add parse metric test for frontend metric
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Message ID 20200602214741.1218986-14-jolsa@kernel.org
State New
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Series
  • perf tests: Add metrics tests
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Commit Message

Jiri Olsa June 2, 2020, 9:47 p.m. UTC
Adding new metric test for frontend metric. It's stolen
from x86 pmu events.

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

Patch
diff mbox series

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;
 }