[PATCH v2 20/43] perf test: Move x86 hybrid tests to arch/x86

Ian Rogers
2023-04-28T07:42:50Z

The tests use x86 hybrid specific PMUs.

Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/arch/x86/include/arch-tests.h | 1 +
tools/perf/arch/x86/tests/Build | 1 +
tools/perf/arch/x86/tests/arch-tests.c | 10 +
tools/perf/arch/x86/tests/hybrid.c | 277 +++++++++++++++++++++++
tools/perf/tests/parse-events.c | 181 ---------------
5 files changed, 289 insertions(+), 181 deletions(-)
create mode 100644 tools/perf/arch/x86/tests/hybrid.c

diff --git a/tools/perf/arch/x86/include/arch-tests.h b/tools/perf/arch/x86/include/arch-tests.h
index 902e9ea9b99e..33d39c1d3e64 100644
--- a/tools/perf/arch/x86/include/arch-tests.h
+++ b/tools/perf/arch/x86/include/arch-tests.h
@@ -11,6 +11,7 @@ int test__intel_pt_pkt_decoder(struct test_suite *test, int subtest);
int test__intel_pt_hybrid_compat(struct test_suite *test, int subtest);
int test__bp_modify(struct test_suite *test, int subtest);
int test__x86_sample_parsing(struct test_suite *test, int subtest);
+int test__hybrid(struct test_suite *test, int subtest);

extern struct test_suite *arch_tests[];

diff --git a/tools/perf/arch/x86/tests/Build b/tools/perf/arch/x86/tests/Build
index 6f4e8636c3bf..08cc8b9c931e 100644
--- a/tools/perf/arch/x86/tests/Build
+++ b/tools/perf/arch/x86/tests/Build
@@ -3,5 +3,6 @@ perf-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o

perf-y += arch-tests.o
perf-y += sample-parsing.o
+perf-y += hybrid.o
perf-$(CONFIG_AUXTRACE) += insn-x86.o intel-pt-test.o
perf-$(CONFIG_X86_64) += bp-modify.o
diff --git a/tools/perf/arch/x86/tests/arch-tests.c b/tools/perf/arch/x86/tests/arch-tests.c
index aae6ea0fe52b..147ad0638bbb 100644
--- a/tools/perf/arch/x86/tests/arch-tests.c
+++ b/tools/perf/arch/x86/tests/arch-tests.c
@@ -22,6 +22,15 @@ struct test_suite suite__intel_pt = {
DEFINE_SUITE("x86 bp modify", bp_modify);
#endif
DEFINE_SUITE("x86 Sample parsing", x86_sample_parsing);
+static struct test_case hybrid_tests[] = {
+ TEST_CASE_REASON("x86 hybrid event parsing", hybrid, "not hybrid"),
+ { .name = NULL, }
+};
+
+struct test_suite suite__hybrid = {
+ .desc = "x86 hybrid",
+ .test_cases = hybrid_tests,
+};

struct test_suite *arch_tests[] = {
#ifdef HAVE_DWARF_UNWIND_SUPPORT
@@ -35,5 +44,6 @@ struct test_suite *arch_tests[] = {
&suite__bp_modify,
#endif
&suite__x86_sample_parsing,
+ &suite__hybrid,
NULL,
};
diff --git a/tools/perf/arch/x86/tests/hybrid.c b/tools/perf/arch/x86/tests/hybrid.c
new file mode 100644
index 000000000000..0f99cfd116ee
--- /dev/null
+++ b/tools/perf/arch/x86/tests/hybrid.c
@@ -0,0 +1,277 @@
+// 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 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_RAW == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c));
+ 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_RAW == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c));
+ TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+
+ evsel = evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong config", test_config(evsel, 0xc0));
+ 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_RAW == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c));
+ 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_RAW == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c));
+ 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_RAW == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c));
+ 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_RAW == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong config", test_config(evsel, 0xc0));
+ 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 evsel *evsel = evlist__first(evlist);
+
+ if (!perf_pmu__hybrid_mounted("cpu_atom")) {
+ 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;
+ }
+
+ TEST_ASSERT_VAL("wrong number of entries", 2 == 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));
+
+ /* The type of second event is randome value */
+ evsel = evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong config", test_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));
+}
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index f0e9f9288f2b..3bf07b7e37b1 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -6,7 +6,6 @@
#include "tests.h"
#include "debug.h"
#include "pmu.h"
-#include "pmu-hybrid.h"
#include "pmus.h"
#include <dirent.h>
#include <errno.h>
@@ -1509,127 +1508,6 @@ static int test__all_tracepoints(struct evlist *evlist)
}
#endif /* HAVE_LIBTRACEVENT */

-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_RAW == evsel->core.attr.type);
- TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c));
- 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_RAW == evsel->core.attr.type);
- TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c));
- TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
-
- evsel = evsel__next(evsel);
- TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type);
- TEST_ASSERT_VAL("wrong config", test_config(evsel, 0xc0));
- 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_RAW == evsel->core.attr.type);
- TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c));
- 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_RAW == evsel->core.attr.type);
- TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c));
- 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_RAW == evsel->core.attr.type);
- TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c));
- 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_RAW == evsel->core.attr.type);
- TEST_ASSERT_VAL("wrong config", test_config(evsel, 0xc0));
- 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 evsel *evsel = evlist__first(evlist);
-
- if (!perf_pmu__hybrid_mounted("cpu_atom")) {
- 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;
- }
-
- TEST_ASSERT_VAL("wrong number of entries", 2 == 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));
-
- /* The type of second event is randome value */
- evsel = evsel__next(evsel);
- TEST_ASSERT_VAL("wrong config", test_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;
-}
-
struct evlist_test {
const char *name;
bool (*valid)(void);
@@ -1997,54 +1875,6 @@ static const struct terms_test test__terms[] = {
},
};

-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;
@@ -2321,14 +2151,6 @@ static bool test_alias(char **event, char **alias)
return false;
}

-static 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));
-}
-
static int test__checkevent_pmu_events_alias(struct evlist *evlist)
{
struct evsel *evsel1 = evlist__first(evlist);
@@ -2392,9 +2214,6 @@ static struct test_case tests__parse_events[] = {
TEST_CASE_REASON("Test event parsing",
events2,
"permissions"),
- TEST_CASE_REASON("Test parsing of \"hybrid\" CPU events",
- hybrid,
- "not hybrid"),
TEST_CASE_REASON("Parsing of all PMU events from sysfs",
pmu_events,
"permissions"),
--
2.40.1.495.gc816e09b53d-goog