| // 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 <internal/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); |