diff options
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/tests/cpumap.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/tools/perf/tests/cpumap.c b/tools/perf/tests/cpumap.c new file mode 100644 index 000000000..7c873c6ae --- /dev/null +++ b/tools/perf/tests/cpumap.c @@ -0,0 +1,176 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "tests.h" +#include <stdio.h> +#include "cpumap.h" +#include "event.h" +#include "util/synthetic-events.h" +#include <string.h> +#include <linux/bitops.h> +#include <perf/cpumap.h> +#include "debug.h" + +struct machine; + +static int process_event_mask(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine __maybe_unused) +{ + struct perf_record_cpu_map *map_event = &event->cpu_map; + struct perf_record_cpu_map_data *data; + struct perf_cpu_map *map; + unsigned int long_size; + + data = &map_event->data; + + TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__MASK); + + long_size = data->mask32_data.long_size; + + TEST_ASSERT_VAL("wrong long_size", long_size == 4 || long_size == 8); + + TEST_ASSERT_VAL("wrong nr", data->mask32_data.nr == 1); + + TEST_ASSERT_VAL("wrong cpu", perf_record_cpu_map_data__test_bit(0, data)); + TEST_ASSERT_VAL("wrong cpu", !perf_record_cpu_map_data__test_bit(1, data)); + for (int i = 2; i <= 20; i++) + TEST_ASSERT_VAL("wrong cpu", perf_record_cpu_map_data__test_bit(i, data)); + + map = cpu_map__new_data(data); + TEST_ASSERT_VAL("wrong nr", perf_cpu_map__nr(map) == 20); + + TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 0).cpu == 0); + for (int i = 2; i <= 20; i++) + TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, i - 1).cpu == i); + + perf_cpu_map__put(map); + return 0; +} + +static int process_event_cpus(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine __maybe_unused) +{ + struct perf_record_cpu_map *map_event = &event->cpu_map; + struct perf_record_cpu_map_data *data; + struct perf_cpu_map *map; + + data = &map_event->data; + + TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__CPUS); + + TEST_ASSERT_VAL("wrong nr", data->cpus_data.nr == 2); + TEST_ASSERT_VAL("wrong cpu", data->cpus_data.cpu[0] == 1); + TEST_ASSERT_VAL("wrong cpu", data->cpus_data.cpu[1] == 256); + + map = cpu_map__new_data(data); + TEST_ASSERT_VAL("wrong nr", perf_cpu_map__nr(map) == 2); + TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 0).cpu == 1); + TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 1).cpu == 256); + TEST_ASSERT_VAL("wrong refcnt", refcount_read(&map->refcnt) == 1); + perf_cpu_map__put(map); + return 0; +} + +static int process_event_range_cpus(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine __maybe_unused) +{ + struct perf_record_cpu_map *map_event = &event->cpu_map; + struct perf_record_cpu_map_data *data; + struct perf_cpu_map *map; + + data = &map_event->data; + + TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__RANGE_CPUS); + + TEST_ASSERT_VAL("wrong any_cpu", data->range_cpu_data.any_cpu == 0); + TEST_ASSERT_VAL("wrong start_cpu", data->range_cpu_data.start_cpu == 1); + TEST_ASSERT_VAL("wrong end_cpu", data->range_cpu_data.end_cpu == 256); + + map = cpu_map__new_data(data); + TEST_ASSERT_VAL("wrong nr", perf_cpu_map__nr(map) == 256); + TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 0).cpu == 1); + TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__max(map).cpu == 256); + TEST_ASSERT_VAL("wrong refcnt", refcount_read(&map->refcnt) == 1); + perf_cpu_map__put(map); + return 0; +} + + +static int test__cpu_map_synthesize(struct test_suite *test __maybe_unused, int subtest __maybe_unused) +{ + struct perf_cpu_map *cpus; + + /* This one is better stored in a mask. */ + cpus = perf_cpu_map__new("0,2-20"); + + TEST_ASSERT_VAL("failed to synthesize map", + !perf_event__synthesize_cpu_map(NULL, cpus, process_event_mask, NULL)); + + perf_cpu_map__put(cpus); + + /* This one is better stored in cpu values. */ + cpus = perf_cpu_map__new("1,256"); + + TEST_ASSERT_VAL("failed to synthesize map", + !perf_event__synthesize_cpu_map(NULL, cpus, process_event_cpus, NULL)); + + perf_cpu_map__put(cpus); + + /* This one is better stored as a range. */ + cpus = perf_cpu_map__new("1-256"); + + TEST_ASSERT_VAL("failed to synthesize map", + !perf_event__synthesize_cpu_map(NULL, cpus, process_event_range_cpus, NULL)); + + perf_cpu_map__put(cpus); + return 0; +} + +static int cpu_map_print(const char *str) +{ + struct perf_cpu_map *map = perf_cpu_map__new(str); + char buf[100]; + + if (!map) + return -1; + + cpu_map__snprint(map, buf, sizeof(buf)); + perf_cpu_map__put(map); + + return !strcmp(buf, str); +} + +static int test__cpu_map_print(struct test_suite *test __maybe_unused, int subtest __maybe_unused) +{ + TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1")); + TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,5")); + TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3,5,7,9,11,13,15,17,19,21-40")); + TEST_ASSERT_VAL("failed to convert map", cpu_map_print("2-5")); + TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3-6,8-10,24,35-37")); + TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3-6,8-10,24,35-37")); + TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1-10,12-20,22-30,32-40")); + return 0; +} + +static int test__cpu_map_merge(struct test_suite *test __maybe_unused, int subtest __maybe_unused) +{ + struct perf_cpu_map *a = perf_cpu_map__new("4,2,1"); + struct perf_cpu_map *b = perf_cpu_map__new("4,5,7"); + struct perf_cpu_map *c = perf_cpu_map__merge(a, b); + char buf[100]; + + TEST_ASSERT_VAL("failed to merge map: bad nr", perf_cpu_map__nr(c) == 5); + cpu_map__snprint(c, buf, sizeof(buf)); + TEST_ASSERT_VAL("failed to merge map: bad result", !strcmp(buf, "1-2,4-5,7")); + perf_cpu_map__put(b); + perf_cpu_map__put(c); + return 0; +} + +DEFINE_SUITE("Synthesize cpu map", cpu_map_synthesize); +DEFINE_SUITE("Print cpu map", cpu_map_print); +DEFINE_SUITE("Merge cpu map", cpu_map_merge); |