[PATCH 14/18] perf metric: Add cache_miss_cycles to metric parse test

[Jiri Olsa]

Adding test that compute metric with other metrics in it.

  cache_miss_cycles = metric:dcache_miss_cpi + metric:icache_miss_cycles

Signed-off-by: Jiri Olsa <jo...@kernel.org>
---
 tools/perf/tests/parse-metric.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/tools/perf/tests/parse-metric.c b/tools/perf/tests/parse-metric.c
index 8c48251425e1..28f33893338b 100644
--- a/tools/perf/tests/parse-metric.c
+++ b/tools/perf/tests/parse-metric.c
@@ -11,6 +11,8 @@
 #include "debug.h"
 #include "expr.h"
 #include "stat.h"
+#include <perf/cpumap.h>
+#include <perf/evlist.h>
 
 static struct pmu_event pme_test[] = {
 {
@@ -22,6 +24,18 @@ static struct pmu_event pme_test[] = {
                          "( 1 + cpu_clk_unhalted.one_thread_active / 
cpu_clk_unhalted.ref_xclk ) )))",
        .metric_name    = "Frontend_Bound_SMT",
 },
+{
+       .metric_expr    = "l1d\\-loads\\-misses / inst_retired.any",
+       .metric_name    = "dcache_miss_cpi",
+},
+{
+       .metric_expr    = "l1i\\-loads\\-misses / inst_retired.any",
+       .metric_name    = "icache_miss_cycles",
+},
+{
+       .metric_expr    = "(dcache_miss_cpi + icache_miss_cycles)",
+       .metric_name    = "cache_miss_cycles",
+},
 };
 
 static struct pmu_events_map map = {
@@ -162,9 +176,28 @@ static int test_frontend(void)
        return 0;
 }
 
+static int test_cache_miss_cycles(void)
+{
+       double ratio;
+       struct value vals[] = {
+               { .event = "l1d-loads-misses",  .val = 300 },
+               { .event = "l1i-loads-misses",  .val = 200 },
+               { .event = "inst_retired.any",  .val = 400 },
+               { 0 },
+       };
+
+       TEST_ASSERT_VAL("failed to compute metric",
+                       compute_metric("cache_miss_cycles", vals, &ratio) == 0);
+
+       TEST_ASSERT_VAL("cache_miss_cycles failed, wrong ratio",
+                       ratio == 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);
        TEST_ASSERT_VAL("frontend failed", test_frontend() == 0);
+       TEST_ASSERT_VAL("cache_miss_cycles failed", test_cache_miss_cycles() == 
0);
        return 0;
 }
-- 
2.25.4