From dfce77c580e02c19efacfe9110261c935d1ddb60 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Sun, 19 Jul 2020 20:13:18 +0200 Subject: [PATCH] perf metric: Add metric group test Adding test for metric group plus compute_metric_group function to get metrics values within the group. Committer notes: Fixed this; tests/parse-metric.c:327:7: error: missing field 'val' initializer [-Werror,-Wmissing-field-initializers] { 0 }, ^ Signed-off-by: Jiri Olsa Reviewed-by: Kajol Jain Acked-by: Ian Rogers Cc: Alexander Shishkin Cc: Andi Kleen Cc: John Garry Cc: Michael Petlan Cc: Namhyung Kim Cc: Paul Clarke Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lore.kernel.org/lkml/20200719181320.785305-18-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/tests/parse-metric.c | 48 +++++++++++++++++++++++++++++++++++++++-- 1 file changed, 46 insertions(+), 2 deletions(-) diff --git a/tools/perf/tests/parse-metric.c b/tools/perf/tests/parse-metric.c index ea09628..fc0838a 100644 --- a/tools/perf/tests/parse-metric.c +++ b/tools/perf/tests/parse-metric.c @@ -18,6 +18,7 @@ static struct pmu_event pme_test[] = { { .metric_expr = "inst_retired.any / cpu_clk_unhalted.thread", .metric_name = "IPC", + .metric_group = "group1", }, { .metric_expr = "idq_uops_not_delivered.core / (4 * (( ( cpu_clk_unhalted.thread / 2 ) * " @@ -35,6 +36,7 @@ static struct pmu_event pme_test[] = { { .metric_expr = "(dcache_miss_cpi + icache_miss_cycles)", .metric_name = "cache_miss_cycles", + .metric_group = "group1", }, { .metric_expr = "l2_rqsts.demand_data_rd_hit + l2_rqsts.pf_hit + l2_rqsts.rfo_hit", @@ -127,7 +129,9 @@ static double compute_single(struct rblist *metric_events, struct evlist *evlist return 0.; } -static int compute_metric(const char *name, struct value *vals, double *ratio) +static int __compute_metric(const char *name, struct value *vals, + const char *name1, double *ratio1, + const char *name2, double *ratio2) { struct rblist metric_events = { .nr_entries = 0, @@ -166,7 +170,10 @@ static int compute_metric(const char *name, struct value *vals, double *ratio) load_runtime_stat(&st, evlist, vals); /* And execute the metric */ - *ratio = compute_single(&metric_events, evlist, &st, name); + if (name1 && ratio1) + *ratio1 = compute_single(&metric_events, evlist, &st, name1); + if (name2 && ratio2) + *ratio2 = compute_single(&metric_events, evlist, &st, name2); /* ... clenup. */ metricgroup__rblist_exit(&metric_events); @@ -177,6 +184,18 @@ static int compute_metric(const char *name, struct value *vals, double *ratio) return 0; } +static int compute_metric(const char *name, struct value *vals, double *ratio) +{ + return __compute_metric(name, vals, name, ratio, NULL, NULL); +} + +static int compute_metric_group(const char *name, struct value *vals, + const char *name1, double *ratio1, + const char *name2, double *ratio2) +{ + return __compute_metric(name, vals, name1, ratio1, name2, ratio2); +} + static int test_ipc(void) { double ratio; @@ -297,6 +316,30 @@ static int test_recursion_fail(void) return 0; } +static int test_metric_group(void) +{ + double ratio1, ratio2; + struct value vals[] = { + { .event = "cpu_clk_unhalted.thread", .val = 200 }, + { .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 find recursion", + compute_metric_group("group1", vals, + "IPC", &ratio1, + "cache_miss_cycles", &ratio2) == 0); + + TEST_ASSERT_VAL("group IPC failed, wrong ratio", + ratio1 == 2.0); + + TEST_ASSERT_VAL("group cache_miss_cycles failed, wrong ratio", + ratio2 == 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); @@ -304,5 +347,6 @@ int test__parse_metric(struct test *test __maybe_unused, int subtest __maybe_unu TEST_ASSERT_VAL("cache_miss_cycles failed", test_cache_miss_cycles() == 0); TEST_ASSERT_VAL("DCache_L2 failed", test_dcache_l2() == 0); TEST_ASSERT_VAL("recursion fail failed", test_recursion_fail() == 0); + TEST_ASSERT_VAL("test metric group", test_metric_group() == 0); return 0; } -- 2.7.4