// 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_record_cpu_map *mask; struct perf_record_cpu_map_data *data; struct perf_cpu_map *map; int i; data = &map_event->data; TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__MASK); mask = (struct perf_record_record_cpu_map *)data->data; TEST_ASSERT_VAL("wrong nr", mask->nr == 1); for (i = 0; i < 20; i++) { TEST_ASSERT_VAL("wrong cpu", test_bit(i, mask->mask)); } map = cpu_map__new_data(data); TEST_ASSERT_VAL("wrong nr", map->nr == 20); for (i = 0; i < 20; i++) { TEST_ASSERT_VAL("wrong cpu", map->map[i] == 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 cpu_map_entries *cpus; 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); cpus = (struct cpu_map_entries *)data->data; TEST_ASSERT_VAL("wrong nr", cpus->nr == 2); TEST_ASSERT_VAL("wrong cpu", cpus->cpu[0] == 1); TEST_ASSERT_VAL("wrong cpu", cpus->cpu[1] == 256); map = cpu_map__new_data(data); TEST_ASSERT_VAL("wrong nr", map->nr == 2); TEST_ASSERT_VAL("wrong cpu", map->map[0] == 1); TEST_ASSERT_VAL("wrong cpu", map->map[1] == 256); TEST_ASSERT_VAL("wrong refcnt", refcount_read(&map->refcnt) == 1); perf_cpu_map__put(map); return 0; } int test__cpu_map_synthesize(struct test *test __maybe_unused, int subtest __maybe_unused) { struct perf_cpu_map *cpus; /* This one is better stores in mask. */ cpus = perf_cpu_map__new("0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19"); 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 stores 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); 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); } int test__cpu_map_print(struct test *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; } int test__cpu_map_merge(struct test *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", c->nr == 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; }