From bcd981db12e6d26111609802fc7c358f30a8c72a Mon Sep 17 00:00:00 2001 From: James Clark Date: Wed, 5 Jul 2023 09:26:52 +0100 Subject: perf test: Fix event parsing test when PERF_PMU_CAP_EXTENDED_HW_TYPE isn't supported. Arm has multiple PMU types for heterogeneous systems, but doesn't currently support PERF_PMU_CAP_EXTENDED_HW_TYPE. Make the tests support both scenarios so that they pass on Arm, and will still pass once PERF_PMU_CAP_EXTENDED_HW_TYPE support is added. Fixes: 27c9fcfc1e14 ("perf test: Update parse-events expectations to test for multiple events") Acked-by: Ian Rogers Signed-off-by: James Clark Cc: Mark Rutland Cc: Peter Zijlstra Cc: Adrian Hunter Cc: Arnaldo Carvalho de Melo Cc: Jiri Olsa Cc: Alexander Shishkin Cc: Ingo Molnar Link: https://lore.kernel.org/r/20230705082653.23566-3-james.clark@arm.com Signed-off-by: Namhyung Kim --- tools/perf/tests/parse-events.c | 86 ++++++++++++++++++++++++----------------- 1 file changed, 50 insertions(+), 36 deletions(-) (limited to 'tools') diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c index 21f79aa31233..b2f82847e4c3 100644 --- a/tools/perf/tests/parse-events.c +++ b/tools/perf/tests/parse-events.c @@ -20,6 +20,20 @@ #define PERF_TP_SAMPLE_TYPE (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME | \ PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD) +static int num_core_entries(void) +{ + /* + * If the kernel supports extended type, expect events to be + * opened once for each core PMU type. Otherwise fall back to the legacy + * behavior of opening only one event even though there are multiple + * PMUs + */ + if (perf_pmus__supports_extended_type()) + return perf_pmus__num_core_pmus(); + + return 1; +} + static bool test_config(const struct evsel *evsel, __u64 expected_config) { __u32 type = evsel->core.attr.type; @@ -339,7 +353,7 @@ static int test__checkevent_symbolic_name_modifier(struct evlist *evlist) struct perf_evsel *evsel; TEST_ASSERT_VAL("wrong number of entries", - evlist->core.nr_entries == perf_pmus__num_core_pmus()); + evlist->core.nr_entries == num_core_entries()); perf_evlist__for_each_entry(&evlist->core, evsel) { TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user); @@ -842,11 +856,11 @@ static int test__group1(struct evlist *evlist) struct evsel *evsel, *leader; TEST_ASSERT_VAL("wrong number of entries", - evlist->core.nr_entries == (perf_pmus__num_core_pmus() * 2)); + evlist->core.nr_entries == (num_core_entries() * 2)); TEST_ASSERT_VAL("wrong number of groups", - evlist__nr_groups(evlist) == perf_pmus__num_core_pmus()); + evlist__nr_groups(evlist) == num_core_entries()); - for (int i = 0; i < perf_pmus__num_core_pmus(); i++) { + for (int i = 0; i < num_core_entries(); i++) { /* instructions:k */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); @@ -885,7 +899,7 @@ static int test__group2(struct evlist *evlist) struct evsel *evsel, *leader = NULL; TEST_ASSERT_VAL("wrong number of entries", - evlist->core.nr_entries == (2 * perf_pmus__num_core_pmus() + 1)); + evlist->core.nr_entries == (2 * num_core_entries() + 1)); /* * TODO: Currently the software event won't be grouped with the hardware * event except for 1 PMU. @@ -1051,11 +1065,11 @@ static int test__group4(struct evlist *evlist __maybe_unused) struct evsel *evsel, *leader; TEST_ASSERT_VAL("wrong number of entries", - evlist->core.nr_entries == (perf_pmus__num_core_pmus() * 2)); + evlist->core.nr_entries == (num_core_entries() * 2)); TEST_ASSERT_VAL("wrong number of groups", - perf_pmus__num_core_pmus() == evlist__nr_groups(evlist)); + num_core_entries() == evlist__nr_groups(evlist)); - for (int i = 0; i < perf_pmus__num_core_pmus(); i++) { + for (int i = 0; i < num_core_entries(); i++) { /* cycles:u + p */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); @@ -1096,11 +1110,11 @@ static int test__group5(struct evlist *evlist __maybe_unused) struct evsel *evsel = NULL, *leader; TEST_ASSERT_VAL("wrong number of entries", - evlist->core.nr_entries == (5 * perf_pmus__num_core_pmus())); + evlist->core.nr_entries == (5 * num_core_entries())); TEST_ASSERT_VAL("wrong number of groups", - evlist__nr_groups(evlist) == (2 * perf_pmus__num_core_pmus())); + evlist__nr_groups(evlist) == (2 * num_core_entries())); - for (int i = 0; i < perf_pmus__num_core_pmus(); i++) { + for (int i = 0; i < num_core_entries(); i++) { /* cycles + G */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); @@ -1131,7 +1145,7 @@ static int test__group5(struct evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1); TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read); } - for (int i = 0; i < perf_pmus__num_core_pmus(); i++) { + for (int i = 0; i < num_core_entries(); i++) { /* cycles:G */ evsel = leader = evsel__next(evsel); TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); @@ -1161,7 +1175,7 @@ static int test__group5(struct evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1); } - for (int i = 0; i < perf_pmus__num_core_pmus(); i++) { + for (int i = 0; i < num_core_entries(); i++) { /* cycles */ evsel = evsel__next(evsel); TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); @@ -1182,11 +1196,11 @@ static int test__group_gh1(struct evlist *evlist) struct evsel *evsel = NULL, *leader; TEST_ASSERT_VAL("wrong number of entries", - evlist->core.nr_entries == (2 * perf_pmus__num_core_pmus())); + evlist->core.nr_entries == (2 * num_core_entries())); TEST_ASSERT_VAL("wrong number of groups", - evlist__nr_groups(evlist) == perf_pmus__num_core_pmus()); + evlist__nr_groups(evlist) == num_core_entries()); - for (int i = 0; i < perf_pmus__num_core_pmus(); i++) { + for (int i = 0; i < num_core_entries(); i++) { /* cycles + :H group modifier */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); @@ -1223,11 +1237,11 @@ static int test__group_gh2(struct evlist *evlist) struct evsel *evsel = NULL, *leader; TEST_ASSERT_VAL("wrong number of entries", - evlist->core.nr_entries == (2 * perf_pmus__num_core_pmus())); + evlist->core.nr_entries == (2 * num_core_entries())); TEST_ASSERT_VAL("wrong number of groups", - evlist__nr_groups(evlist) == perf_pmus__num_core_pmus()); + evlist__nr_groups(evlist) == num_core_entries()); - for (int i = 0; i < perf_pmus__num_core_pmus(); i++) { + for (int i = 0; i < num_core_entries(); i++) { /* cycles + :G group modifier */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); @@ -1264,11 +1278,11 @@ static int test__group_gh3(struct evlist *evlist) struct evsel *evsel = NULL, *leader; TEST_ASSERT_VAL("wrong number of entries", - evlist->core.nr_entries == (2 * perf_pmus__num_core_pmus())); + evlist->core.nr_entries == (2 * num_core_entries())); TEST_ASSERT_VAL("wrong number of groups", - evlist__nr_groups(evlist) == perf_pmus__num_core_pmus()); + evlist__nr_groups(evlist) == num_core_entries()); - for (int i = 0; i < perf_pmus__num_core_pmus(); i++) { + for (int i = 0; i < num_core_entries(); i++) { /* cycles:G + :u group modifier */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); @@ -1305,11 +1319,11 @@ static int test__group_gh4(struct evlist *evlist) struct evsel *evsel = NULL, *leader; TEST_ASSERT_VAL("wrong number of entries", - evlist->core.nr_entries == (2 * perf_pmus__num_core_pmus())); + evlist->core.nr_entries == (2 * num_core_entries())); TEST_ASSERT_VAL("wrong number of groups", - evlist__nr_groups(evlist) == perf_pmus__num_core_pmus()); + evlist__nr_groups(evlist) == num_core_entries()); - for (int i = 0; i < perf_pmus__num_core_pmus(); i++) { + for (int i = 0; i < num_core_entries(); i++) { /* cycles:G + :uG group modifier */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); @@ -1346,9 +1360,9 @@ static int test__leader_sample1(struct evlist *evlist) struct evsel *evsel = NULL, *leader; TEST_ASSERT_VAL("wrong number of entries", - evlist->core.nr_entries == (3 * perf_pmus__num_core_pmus())); + evlist->core.nr_entries == (3 * num_core_entries())); - for (int i = 0; i < perf_pmus__num_core_pmus(); i++) { + for (int i = 0; i < num_core_entries(); i++) { /* cycles - sampling group leader */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); @@ -1398,9 +1412,9 @@ static int test__leader_sample2(struct evlist *evlist __maybe_unused) struct evsel *evsel = NULL, *leader; TEST_ASSERT_VAL("wrong number of entries", - evlist->core.nr_entries == (2 * perf_pmus__num_core_pmus())); + evlist->core.nr_entries == (2 * num_core_entries())); - for (int i = 0; i < perf_pmus__num_core_pmus(); i++) { + for (int i = 0; i < num_core_entries(); i++) { /* instructions - sampling group leader */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); @@ -1437,9 +1451,9 @@ static int test__checkevent_pinned_modifier(struct evlist *evlist) struct evsel *evsel = NULL; TEST_ASSERT_VAL("wrong number of entries", - evlist->core.nr_entries == perf_pmus__num_core_pmus()); + evlist->core.nr_entries == num_core_entries()); - for (int i = 0; i < perf_pmus__num_core_pmus(); i++) { + for (int i = 0; i < num_core_entries(); i++) { evsel = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); @@ -1455,9 +1469,9 @@ static int test__pinned_group(struct evlist *evlist) struct evsel *evsel = NULL, *leader; TEST_ASSERT_VAL("wrong number of entries", - evlist->core.nr_entries == (3 * perf_pmus__num_core_pmus())); + evlist->core.nr_entries == (3 * num_core_entries())); - for (int i = 0; i < perf_pmus__num_core_pmus(); i++) { + for (int i = 0; i < num_core_entries(); i++) { /* cycles - group leader */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); @@ -1500,9 +1514,9 @@ static int test__exclusive_group(struct evlist *evlist) struct evsel *evsel = NULL, *leader; TEST_ASSERT_VAL("wrong number of entries", - evlist->core.nr_entries == (3 * perf_pmus__num_core_pmus())); + evlist->core.nr_entries == 3 * num_core_entries()); - for (int i = 0; i < perf_pmus__num_core_pmus(); i++) { + for (int i = 0; i < num_core_entries(); i++) { /* cycles - group leader */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); @@ -1574,7 +1588,7 @@ static int test__checkevent_precise_max_modifier(struct evlist *evlist) struct evsel *evsel = evlist__first(evlist); TEST_ASSERT_VAL("wrong number of entries", - evlist->core.nr_entries == (1 + perf_pmus__num_core_pmus())); + evlist->core.nr_entries == 1 + num_core_entries()); TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type); TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_SW_TASK_CLOCK)); return TEST_OK; -- cgit v1.2.3