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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: 27c9fcfc1e
("perf test: Update parse-events expectations to test for multiple events")
Acked-by: Ian Rogers <irogers@google.com>
Signed-off-by: James Clark <james.clark@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Link: https://lore.kernel.org/r/20230705082653.23566-3-james.clark@arm.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
parent
808ce56e7d
commit
bcd981db12
1 changed files with 50 additions and 36 deletions
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@ -20,6 +20,20 @@
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#define PERF_TP_SAMPLE_TYPE (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME | \
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PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD)
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static int num_core_entries(void)
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{
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/*
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* If the kernel supports extended type, expect events to be
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* opened once for each core PMU type. Otherwise fall back to the legacy
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* behavior of opening only one event even though there are multiple
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* PMUs
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*/
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if (perf_pmus__supports_extended_type())
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return perf_pmus__num_core_pmus();
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return 1;
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}
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static bool test_config(const struct evsel *evsel, __u64 expected_config)
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{
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__u32 type = evsel->core.attr.type;
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@ -339,7 +353,7 @@ static int test__checkevent_symbolic_name_modifier(struct evlist *evlist)
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struct perf_evsel *evsel;
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TEST_ASSERT_VAL("wrong number of entries",
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evlist->core.nr_entries == perf_pmus__num_core_pmus());
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evlist->core.nr_entries == num_core_entries());
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perf_evlist__for_each_entry(&evlist->core, evsel) {
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TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
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@ -842,11 +856,11 @@ static int test__group1(struct evlist *evlist)
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struct evsel *evsel, *leader;
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TEST_ASSERT_VAL("wrong number of entries",
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evlist->core.nr_entries == (perf_pmus__num_core_pmus() * 2));
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evlist->core.nr_entries == (num_core_entries() * 2));
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TEST_ASSERT_VAL("wrong number of groups",
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evlist__nr_groups(evlist) == perf_pmus__num_core_pmus());
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evlist__nr_groups(evlist) == num_core_entries());
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for (int i = 0; i < perf_pmus__num_core_pmus(); i++) {
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for (int i = 0; i < num_core_entries(); i++) {
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/* instructions:k */
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evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel));
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TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
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@ -885,7 +899,7 @@ static int test__group2(struct evlist *evlist)
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struct evsel *evsel, *leader = NULL;
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TEST_ASSERT_VAL("wrong number of entries",
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evlist->core.nr_entries == (2 * perf_pmus__num_core_pmus() + 1));
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evlist->core.nr_entries == (2 * num_core_entries() + 1));
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/*
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* TODO: Currently the software event won't be grouped with the hardware
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* event except for 1 PMU.
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@ -1051,11 +1065,11 @@ static int test__group4(struct evlist *evlist __maybe_unused)
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struct evsel *evsel, *leader;
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TEST_ASSERT_VAL("wrong number of entries",
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evlist->core.nr_entries == (perf_pmus__num_core_pmus() * 2));
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evlist->core.nr_entries == (num_core_entries() * 2));
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TEST_ASSERT_VAL("wrong number of groups",
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perf_pmus__num_core_pmus() == evlist__nr_groups(evlist));
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num_core_entries() == evlist__nr_groups(evlist));
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for (int i = 0; i < perf_pmus__num_core_pmus(); i++) {
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for (int i = 0; i < num_core_entries(); i++) {
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/* cycles:u + p */
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evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel));
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TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
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@ -1096,11 +1110,11 @@ static int test__group5(struct evlist *evlist __maybe_unused)
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struct evsel *evsel = NULL, *leader;
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TEST_ASSERT_VAL("wrong number of entries",
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evlist->core.nr_entries == (5 * perf_pmus__num_core_pmus()));
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evlist->core.nr_entries == (5 * num_core_entries()));
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TEST_ASSERT_VAL("wrong number of groups",
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evlist__nr_groups(evlist) == (2 * perf_pmus__num_core_pmus()));
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evlist__nr_groups(evlist) == (2 * num_core_entries()));
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for (int i = 0; i < perf_pmus__num_core_pmus(); i++) {
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for (int i = 0; i < num_core_entries(); i++) {
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/* cycles + G */
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evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel));
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TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
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@ -1131,7 +1145,7 @@ static int test__group5(struct evlist *evlist __maybe_unused)
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TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
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TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
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}
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for (int i = 0; i < perf_pmus__num_core_pmus(); i++) {
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for (int i = 0; i < num_core_entries(); i++) {
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/* cycles:G */
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evsel = leader = evsel__next(evsel);
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TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
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@ -1161,7 +1175,7 @@ static int test__group5(struct evlist *evlist __maybe_unused)
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TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
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TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
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}
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for (int i = 0; i < perf_pmus__num_core_pmus(); i++) {
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for (int i = 0; i < num_core_entries(); i++) {
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/* cycles */
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evsel = evsel__next(evsel);
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TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
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@ -1182,11 +1196,11 @@ static int test__group_gh1(struct evlist *evlist)
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struct evsel *evsel = NULL, *leader;
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TEST_ASSERT_VAL("wrong number of entries",
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evlist->core.nr_entries == (2 * perf_pmus__num_core_pmus()));
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evlist->core.nr_entries == (2 * num_core_entries()));
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TEST_ASSERT_VAL("wrong number of groups",
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evlist__nr_groups(evlist) == perf_pmus__num_core_pmus());
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evlist__nr_groups(evlist) == num_core_entries());
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for (int i = 0; i < perf_pmus__num_core_pmus(); i++) {
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for (int i = 0; i < num_core_entries(); i++) {
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/* cycles + :H group modifier */
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evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel));
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TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
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@ -1223,11 +1237,11 @@ static int test__group_gh2(struct evlist *evlist)
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struct evsel *evsel = NULL, *leader;
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TEST_ASSERT_VAL("wrong number of entries",
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evlist->core.nr_entries == (2 * perf_pmus__num_core_pmus()));
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evlist->core.nr_entries == (2 * num_core_entries()));
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TEST_ASSERT_VAL("wrong number of groups",
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evlist__nr_groups(evlist) == perf_pmus__num_core_pmus());
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evlist__nr_groups(evlist) == num_core_entries());
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for (int i = 0; i < perf_pmus__num_core_pmus(); i++) {
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for (int i = 0; i < num_core_entries(); i++) {
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/* cycles + :G group modifier */
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evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel));
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TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
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@ -1264,11 +1278,11 @@ static int test__group_gh3(struct evlist *evlist)
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struct evsel *evsel = NULL, *leader;
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TEST_ASSERT_VAL("wrong number of entries",
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evlist->core.nr_entries == (2 * perf_pmus__num_core_pmus()));
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evlist->core.nr_entries == (2 * num_core_entries()));
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TEST_ASSERT_VAL("wrong number of groups",
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evlist__nr_groups(evlist) == perf_pmus__num_core_pmus());
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evlist__nr_groups(evlist) == num_core_entries());
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for (int i = 0; i < perf_pmus__num_core_pmus(); i++) {
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for (int i = 0; i < num_core_entries(); i++) {
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/* cycles:G + :u group modifier */
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evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel));
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TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
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@ -1305,11 +1319,11 @@ static int test__group_gh4(struct evlist *evlist)
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struct evsel *evsel = NULL, *leader;
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TEST_ASSERT_VAL("wrong number of entries",
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evlist->core.nr_entries == (2 * perf_pmus__num_core_pmus()));
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evlist->core.nr_entries == (2 * num_core_entries()));
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TEST_ASSERT_VAL("wrong number of groups",
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evlist__nr_groups(evlist) == perf_pmus__num_core_pmus());
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evlist__nr_groups(evlist) == num_core_entries());
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for (int i = 0; i < perf_pmus__num_core_pmus(); i++) {
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for (int i = 0; i < num_core_entries(); i++) {
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/* cycles:G + :uG group modifier */
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evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel));
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TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
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@ -1346,9 +1360,9 @@ static int test__leader_sample1(struct evlist *evlist)
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struct evsel *evsel = NULL, *leader;
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TEST_ASSERT_VAL("wrong number of entries",
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evlist->core.nr_entries == (3 * perf_pmus__num_core_pmus()));
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evlist->core.nr_entries == (3 * num_core_entries()));
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for (int i = 0; i < perf_pmus__num_core_pmus(); i++) {
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for (int i = 0; i < num_core_entries(); i++) {
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/* cycles - sampling group leader */
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evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel));
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TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
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@ -1398,9 +1412,9 @@ static int test__leader_sample2(struct evlist *evlist __maybe_unused)
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struct evsel *evsel = NULL, *leader;
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TEST_ASSERT_VAL("wrong number of entries",
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evlist->core.nr_entries == (2 * perf_pmus__num_core_pmus()));
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evlist->core.nr_entries == (2 * num_core_entries()));
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for (int i = 0; i < perf_pmus__num_core_pmus(); i++) {
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for (int i = 0; i < num_core_entries(); i++) {
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/* instructions - sampling group leader */
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evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel));
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TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
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@ -1437,9 +1451,9 @@ static int test__checkevent_pinned_modifier(struct evlist *evlist)
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struct evsel *evsel = NULL;
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TEST_ASSERT_VAL("wrong number of entries",
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evlist->core.nr_entries == perf_pmus__num_core_pmus());
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evlist->core.nr_entries == num_core_entries());
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for (int i = 0; i < perf_pmus__num_core_pmus(); i++) {
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for (int i = 0; i < num_core_entries(); i++) {
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evsel = (i == 0 ? evlist__first(evlist) : evsel__next(evsel));
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TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user);
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TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel);
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@ -1455,9 +1469,9 @@ static int test__pinned_group(struct evlist *evlist)
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struct evsel *evsel = NULL, *leader;
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TEST_ASSERT_VAL("wrong number of entries",
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evlist->core.nr_entries == (3 * perf_pmus__num_core_pmus()));
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evlist->core.nr_entries == (3 * num_core_entries()));
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for (int i = 0; i < perf_pmus__num_core_pmus(); i++) {
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for (int i = 0; i < num_core_entries(); i++) {
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/* cycles - group leader */
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evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel));
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TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
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@ -1500,9 +1514,9 @@ static int test__exclusive_group(struct evlist *evlist)
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struct evsel *evsel = NULL, *leader;
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TEST_ASSERT_VAL("wrong number of entries",
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evlist->core.nr_entries == (3 * perf_pmus__num_core_pmus()));
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evlist->core.nr_entries == 3 * num_core_entries());
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for (int i = 0; i < perf_pmus__num_core_pmus(); i++) {
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for (int i = 0; i < num_core_entries(); i++) {
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/* cycles - group leader */
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evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel));
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TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
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@ -1574,7 +1588,7 @@ static int test__checkevent_precise_max_modifier(struct evlist *evlist)
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struct evsel *evsel = evlist__first(evlist);
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TEST_ASSERT_VAL("wrong number of entries",
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evlist->core.nr_entries == (1 + perf_pmus__num_core_pmus()));
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evlist->core.nr_entries == 1 + num_core_entries());
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TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type);
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TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_SW_TASK_CLOCK));
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return TEST_OK;
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