1 // SPDX-License-Identifier: GPL-2.0 2 #include "tests.h" 3 #include <stdio.h> 4 #include "cpumap.h" 5 #include "event.h" 6 #include "util/synthetic-events.h" 7 #include <string.h> 8 #include <linux/bitops.h> 9 #include <internal/cpumap.h> 10 #include "debug.h" 11 12 struct machine; 13 14 static int process_event_mask(struct perf_tool *tool __maybe_unused, 15 union perf_event *event, 16 struct perf_sample *sample __maybe_unused, 17 struct machine *machine __maybe_unused) 18 { 19 struct perf_record_cpu_map *map_event = &event->cpu_map; 20 struct perf_record_cpu_map_data *data; 21 struct perf_cpu_map *map; 22 unsigned int long_size; 23 24 data = &map_event->data; 25 26 TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__MASK); 27 28 long_size = data->mask32_data.long_size; 29 30 TEST_ASSERT_VAL("wrong long_size", long_size == 4 || long_size == 8); 31 32 TEST_ASSERT_VAL("wrong nr", data->mask32_data.nr == 1); 33 34 TEST_ASSERT_VAL("wrong cpu", perf_record_cpu_map_data__test_bit(0, data)); 35 TEST_ASSERT_VAL("wrong cpu", !perf_record_cpu_map_data__test_bit(1, data)); 36 for (int i = 2; i <= 20; i++) 37 TEST_ASSERT_VAL("wrong cpu", perf_record_cpu_map_data__test_bit(i, data)); 38 39 map = cpu_map__new_data(data); 40 TEST_ASSERT_VAL("wrong nr", perf_cpu_map__nr(map) == 20); 41 42 TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 0).cpu == 0); 43 for (int i = 2; i <= 20; i++) 44 TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, i - 1).cpu == i); 45 46 perf_cpu_map__put(map); 47 return 0; 48 } 49 50 static int process_event_cpus(struct perf_tool *tool __maybe_unused, 51 union perf_event *event, 52 struct perf_sample *sample __maybe_unused, 53 struct machine *machine __maybe_unused) 54 { 55 struct perf_record_cpu_map *map_event = &event->cpu_map; 56 struct perf_record_cpu_map_data *data; 57 struct perf_cpu_map *map; 58 59 data = &map_event->data; 60 61 TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__CPUS); 62 63 TEST_ASSERT_VAL("wrong nr", data->cpus_data.nr == 2); 64 TEST_ASSERT_VAL("wrong cpu", data->cpus_data.cpu[0] == 1); 65 TEST_ASSERT_VAL("wrong cpu", data->cpus_data.cpu[1] == 256); 66 67 map = cpu_map__new_data(data); 68 TEST_ASSERT_VAL("wrong nr", perf_cpu_map__nr(map) == 2); 69 TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 0).cpu == 1); 70 TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 1).cpu == 256); 71 TEST_ASSERT_VAL("wrong refcnt", refcount_read(&map->refcnt) == 1); 72 perf_cpu_map__put(map); 73 return 0; 74 } 75 76 static int process_event_range_cpus(struct perf_tool *tool __maybe_unused, 77 union perf_event *event, 78 struct perf_sample *sample __maybe_unused, 79 struct machine *machine __maybe_unused) 80 { 81 struct perf_record_cpu_map *map_event = &event->cpu_map; 82 struct perf_record_cpu_map_data *data; 83 struct perf_cpu_map *map; 84 85 data = &map_event->data; 86 87 TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__RANGE_CPUS); 88 89 TEST_ASSERT_VAL("wrong any_cpu", data->range_cpu_data.any_cpu == 0); 90 TEST_ASSERT_VAL("wrong start_cpu", data->range_cpu_data.start_cpu == 1); 91 TEST_ASSERT_VAL("wrong end_cpu", data->range_cpu_data.end_cpu == 256); 92 93 map = cpu_map__new_data(data); 94 TEST_ASSERT_VAL("wrong nr", perf_cpu_map__nr(map) == 256); 95 TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 0).cpu == 1); 96 TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__max(map).cpu == 256); 97 TEST_ASSERT_VAL("wrong refcnt", refcount_read(&map->refcnt) == 1); 98 perf_cpu_map__put(map); 99 return 0; 100 } 101 102 103 static int test__cpu_map_synthesize(struct test_suite *test __maybe_unused, int subtest __maybe_unused) 104 { 105 struct perf_cpu_map *cpus; 106 107 /* This one is better stored in a mask. */ 108 cpus = perf_cpu_map__new("0,2-20"); 109 110 TEST_ASSERT_VAL("failed to synthesize map", 111 !perf_event__synthesize_cpu_map(NULL, cpus, process_event_mask, NULL)); 112 113 perf_cpu_map__put(cpus); 114 115 /* This one is better stored in cpu values. */ 116 cpus = perf_cpu_map__new("1,256"); 117 118 TEST_ASSERT_VAL("failed to synthesize map", 119 !perf_event__synthesize_cpu_map(NULL, cpus, process_event_cpus, NULL)); 120 121 perf_cpu_map__put(cpus); 122 123 /* This one is better stored as a range. */ 124 cpus = perf_cpu_map__new("1-256"); 125 126 TEST_ASSERT_VAL("failed to synthesize map", 127 !perf_event__synthesize_cpu_map(NULL, cpus, process_event_range_cpus, NULL)); 128 129 perf_cpu_map__put(cpus); 130 return 0; 131 } 132 133 static int cpu_map_print(const char *str) 134 { 135 struct perf_cpu_map *map = perf_cpu_map__new(str); 136 char buf[100]; 137 138 if (!map) 139 return -1; 140 141 cpu_map__snprint(map, buf, sizeof(buf)); 142 perf_cpu_map__put(map); 143 144 return !strcmp(buf, str); 145 } 146 147 static int test__cpu_map_print(struct test_suite *test __maybe_unused, int subtest __maybe_unused) 148 { 149 TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1")); 150 TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,5")); 151 TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3,5,7,9,11,13,15,17,19,21-40")); 152 TEST_ASSERT_VAL("failed to convert map", cpu_map_print("2-5")); 153 TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3-6,8-10,24,35-37")); 154 TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3-6,8-10,24,35-37")); 155 TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1-10,12-20,22-30,32-40")); 156 return 0; 157 } 158 159 static int test__cpu_map_merge(struct test_suite *test __maybe_unused, int subtest __maybe_unused) 160 { 161 struct perf_cpu_map *a = perf_cpu_map__new("4,2,1"); 162 struct perf_cpu_map *b = perf_cpu_map__new("4,5,7"); 163 struct perf_cpu_map *c = perf_cpu_map__merge(a, b); 164 char buf[100]; 165 166 TEST_ASSERT_VAL("failed to merge map: bad nr", perf_cpu_map__nr(c) == 5); 167 cpu_map__snprint(c, buf, sizeof(buf)); 168 TEST_ASSERT_VAL("failed to merge map: bad result", !strcmp(buf, "1-2,4-5,7")); 169 perf_cpu_map__put(b); 170 perf_cpu_map__put(c); 171 return 0; 172 } 173 174 DEFINE_SUITE("Synthesize cpu map", cpu_map_synthesize); 175 DEFINE_SUITE("Print cpu map", cpu_map_print); 176 DEFINE_SUITE("Merge cpu map", cpu_map_merge); 177