1 files changed, 287 insertions, 0 deletions

diff --git a/tools/perf/arch/x86/tests/hybrid.c b/tools/perf/arch/x86/tests/hybrid.c
new file mode 100644
index 000000000000..941a9edfed4e
--- /dev/null
+++ b/tools/perf/arch/x86/tests/hybrid.c
@@ -0,0 +1,287 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "arch-tests.h"
+#include "debug.h"
+#include "evlist.h"
+#include "evsel.h"
+#include "pmu-hybrid.h"
+#include "tests/tests.h"
+
+static bool test_config(const struct evsel *evsel, __u64 expected_config)
+{
+	return (evsel->core.attr.config & PERF_HW_EVENT_MASK) == expected_config;
+}
+
+static bool test_perf_config(const struct perf_evsel *evsel, __u64 expected_config)
+{
+	return (evsel->attr.config & PERF_HW_EVENT_MASK) == expected_config;
+}
+
+static bool test_hybrid_type(const struct evsel *evsel, __u64 expected_config)
+{
+	return (evsel->core.attr.config >> PERF_PMU_TYPE_SHIFT) == expected_config;
+}
+
+static int test__hybrid_hw_event_with_pmu(struct evlist *evlist)
+{
+	struct evsel *evsel = evlist__first(evlist);
+
+	TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries);
+	TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
+	TEST_ASSERT_VAL("wrong hybrid type", test_hybrid_type(evsel, PERF_TYPE_RAW));
+	TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES));
+	return TEST_OK;
+}
+
+static int test__hybrid_hw_group_event(struct evlist *evlist)
+{
+	struct evsel *evsel, *leader;
+
+	evsel = leader = evlist__first(evlist);
+	TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
+	TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
+	TEST_ASSERT_VAL("wrong hybrid type", test_hybrid_type(evsel, PERF_TYPE_RAW));
+	TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES));
+	TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+
+	evsel = evsel__next(evsel);
+	TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
+	TEST_ASSERT_VAL("wrong hybrid type", test_hybrid_type(evsel, PERF_TYPE_RAW));
+	TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_INSTRUCTIONS));
+	TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+	return TEST_OK;
+}
+
+static int test__hybrid_sw_hw_group_event(struct evlist *evlist)
+{
+	struct evsel *evsel, *leader;
+
+	evsel = leader = evlist__first(evlist);
+	TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
+	TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type);
+	TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+
+	evsel = evsel__next(evsel);
+	TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
+	TEST_ASSERT_VAL("wrong hybrid type", test_hybrid_type(evsel, PERF_TYPE_RAW));
+	TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES));
+	TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+	return TEST_OK;
+}
+
+static int test__hybrid_hw_sw_group_event(struct evlist *evlist)
+{
+	struct evsel *evsel, *leader;
+
+	evsel = leader = evlist__first(evlist);
+	TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
+	TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
+	TEST_ASSERT_VAL("wrong hybrid type", test_hybrid_type(evsel, PERF_TYPE_RAW));
+	TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES));
+	TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+
+	evsel = evsel__next(evsel);
+	TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type);
+	TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+	return TEST_OK;
+}
+
+static int test__hybrid_group_modifier1(struct evlist *evlist)
+{
+	struct evsel *evsel, *leader;
+
+	evsel = leader = evlist__first(evlist);
+	TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
+	TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
+	TEST_ASSERT_VAL("wrong hybrid type", test_hybrid_type(evsel, PERF_TYPE_RAW));
+	TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES));
+	TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+	TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user);
+	TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel);
+
+	evsel = evsel__next(evsel);
+	TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
+	TEST_ASSERT_VAL("wrong hybrid type", test_hybrid_type(evsel, PERF_TYPE_RAW));
+	TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_INSTRUCTIONS));
+	TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+	TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user);
+	TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel);
+	return TEST_OK;
+}
+
+static int test__hybrid_raw1(struct evlist *evlist)
+{
+	struct perf_evsel *evsel;
+
+	perf_evlist__for_each_evsel(&evlist->core, evsel) {
+		struct perf_pmu *pmu = perf_pmu__find_by_type(evsel->attr.type);
+
+		TEST_ASSERT_VAL("missing pmu", pmu);
+		TEST_ASSERT_VAL("unexpected pmu", !strncmp(pmu->name, "cpu_", 4));
+		TEST_ASSERT_VAL("wrong config", test_perf_config(evsel, 0x1a));
+	}
+	return TEST_OK;
+}
+
+static int test__hybrid_raw2(struct evlist *evlist)
+{
+	struct evsel *evsel = evlist__first(evlist);
+
+	TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries);
+	TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type);
+	TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x1a));
+	return TEST_OK;
+}
+
+static int test__hybrid_cache_event(struct evlist *evlist)
+{
+	struct evsel *evsel = evlist__first(evlist);
+
+	TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries);
+	TEST_ASSERT_VAL("wrong type", PERF_TYPE_HW_CACHE == evsel->core.attr.type);
+	TEST_ASSERT_VAL("wrong config", 0x2 == (evsel->core.attr.config & 0xffffffff));
+	return TEST_OK;
+}
+
+static int test__checkevent_pmu(struct evlist *evlist)
+{
+
+	struct evsel *evsel = evlist__first(evlist);
+
+	TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries);
+	TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type);
+	TEST_ASSERT_VAL("wrong config",    10 == evsel->core.attr.config);
+	TEST_ASSERT_VAL("wrong config1",    1 == evsel->core.attr.config1);
+	TEST_ASSERT_VAL("wrong config2",    3 == evsel->core.attr.config2);
+	TEST_ASSERT_VAL("wrong config3",    0 == evsel->core.attr.config3);
+	/*
+	 * The period value gets configured within evlist__config,
+	 * while this test executes only parse events method.
+	 */
+	TEST_ASSERT_VAL("wrong period",     0 == evsel->core.attr.sample_period);
+
+	return TEST_OK;
+}
+
+struct evlist_test {
+	const char *name;
+	bool (*valid)(void);
+	int (*check)(struct evlist *evlist);
+};
+
+static const struct evlist_test test__hybrid_events[] = {
+	{
+		.name  = "cpu_core/cpu-cycles/",
+		.check = test__hybrid_hw_event_with_pmu,
+		/* 0 */
+	},
+	{
+		.name  = "{cpu_core/cpu-cycles/,cpu_core/instructions/}",
+		.check = test__hybrid_hw_group_event,
+		/* 1 */
+	},
+	{
+		.name  = "{cpu-clock,cpu_core/cpu-cycles/}",
+		.check = test__hybrid_sw_hw_group_event,
+		/* 2 */
+	},
+	{
+		.name  = "{cpu_core/cpu-cycles/,cpu-clock}",
+		.check = test__hybrid_hw_sw_group_event,
+		/* 3 */
+	},
+	{
+		.name  = "{cpu_core/cpu-cycles/k,cpu_core/instructions/u}",
+		.check = test__hybrid_group_modifier1,
+		/* 4 */
+	},
+	{
+		.name  = "r1a",
+		.check = test__hybrid_raw1,
+		/* 5 */
+	},
+	{
+		.name  = "cpu_core/r1a/",
+		.check = test__hybrid_raw2,
+		/* 6 */
+	},
+	{
+		.name  = "cpu_core/config=10,config1,config2=3,period=1000/u",
+		.check = test__checkevent_pmu,
+		/* 7 */
+	},
+	{
+		.name  = "cpu_core/LLC-loads/",
+		.check = test__hybrid_cache_event,
+		/* 8 */
+	},
+};
+
+static int test_event(const struct evlist_test *e)
+{
+	struct parse_events_error err;
+	struct evlist *evlist;
+	int ret;
+
+	if (e->valid && !e->valid()) {
+		pr_debug("... SKIP\n");
+		return TEST_OK;
+	}
+
+	evlist = evlist__new();
+	if (evlist == NULL) {
+		pr_err("Failed allocation");
+		return TEST_FAIL;
+	}
+	parse_events_error__init(&err);
+	ret = parse_events(evlist, e->name, &err);
+	if (ret) {
+		pr_debug("failed to parse event '%s', err %d, str '%s'\n",
+			 e->name, ret, err.str);
+		parse_events_error__print(&err, e->name);
+		ret = TEST_FAIL;
+		if (strstr(err.str, "can't access trace events"))
+			ret = TEST_SKIP;
+	} else {
+		ret = e->check(evlist);
+	}
+	parse_events_error__exit(&err);
+	evlist__delete(evlist);
+
+	return ret;
+}
+
+static int combine_test_results(int existing, int latest)
+{
+	if (existing == TEST_FAIL)
+		return TEST_FAIL;
+	if (existing == TEST_SKIP)
+		return latest == TEST_OK ? TEST_SKIP : latest;
+	return latest;
+}
+
+static int test_events(const struct evlist_test *events, int cnt)
+{
+	int ret = TEST_OK;
+
+	for (int i = 0; i < cnt; i++) {
+		const struct evlist_test *e = &events[i];
+		int test_ret;
+
+		pr_debug("running test %d '%s'\n", i, e->name);
+		test_ret = test_event(e);
+		if (test_ret != TEST_OK) {
+			pr_debug("Event test failure: test %d '%s'", i, e->name);
+			ret = combine_test_results(ret, test_ret);
+		}
+	}
+
+	return ret;
+}
+
+int test__hybrid(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
+{
+	if (!perf_pmu__has_hybrid())
+		return TEST_SKIP;
+
+	return test_events(test__hybrid_events, ARRAY_SIZE(test__hybrid_events));
+}