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// 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_BRANCH_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_BRANCH_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;
}
static int test__hybrid_hw_group_event_2(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_RAW == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config", evsel->core.attr.config == 0x3c);
TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
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/cycles/",
.check = test__hybrid_hw_event_with_pmu,
/* 0 */
},
{
.name = "{cpu_core/cycles/,cpu_core/branches/}",
.check = test__hybrid_hw_group_event,
/* 1 */
},
{
.name = "{cpu-clock,cpu_core/cycles/}",
.check = test__hybrid_sw_hw_group_event,
/* 2 */
},
{
.name = "{cpu_core/cycles/,cpu-clock}",
.check = test__hybrid_hw_sw_group_event,
/* 3 */
},
{
.name = "{cpu_core/cycles/k,cpu_core/branches/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 */
},
{
.name = "{cpu_core/cycles/,cpu_core/cpu-cycles/}",
.check = test__hybrid_hw_group_event_2,
/* 9 */
},
};
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\n", e->name, ret);
parse_events_error__print(&err, e->name);
ret = TEST_FAIL;
if (parse_events_error__contains(&err, "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));
}
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