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Message-Id: <20200602115055.1168446-14-jolsa@kernel.org>
Date: Tue, 2 Jun 2020 13:50:55 +0200
From: Jiri Olsa <jolsa@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: lkml <linux-kernel@...r.kernel.org>,
Ingo Molnar <mingo@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Michael Petlan <mpetlan@...hat.com>,
Ian Rogers <irogers@...gle.com>,
Stephane Eranian <eranian@...gle.com>,
Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 13/13] perf tests: Add parse metric test for frontend metric
Adding new metri test for frontend metric. It's stolen
from x86 pmu events.
Signed-off-by: Jiri Olsa <jolsa@...nel.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
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