diff --git a/tools/perf/tests/parse-metric.c b/tools/perf/tests/parse-metric.c index 8c48251425e1..47ad3278cf65 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 +#include 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 }, + { .event = NULL, }, + }; + + 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; }