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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /tools/perf/arch/x86/tests/hybrid.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/arch/x86/tests/hybrid.c')
-rw-r--r--tools/perf/arch/x86/tests/hybrid.c288
1 files changed, 288 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 0000000000..eb152770f1
--- /dev/null
+++ b/tools/perf/arch/x86/tests/hybrid.c
@@ -0,0 +1,288 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "arch-tests.h"
+#include "debug.h"
+#include "evlist.h"
+#include "evsel.h"
+#include "pmu.h"
+#include "pmus.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_pmus__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_pmus__num_core_pmus() == 1)
+ return TEST_SKIP;
+
+ return test_events(test__hybrid_events, ARRAY_SIZE(test__hybrid_events));
+}